AQUILA BIOPHARMACEUTICALS INC
10-K405, 1997-03-31
IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES
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                SECURITIES AND EXCHANGE COMMISSION
                       WASHINGTON, DC 20549

                             FORM 10-K
(Mark One)

X  Annual report pursuant to Section 13 or 15(d) of the Securities
      Exchange Act of 1934 (Fee Required)
      For the fiscal year ended December 31, 1996 or
      

   Transition report pursuant to Section 13 or 15(d) of the Securities
      Exchange Act of 1934 (No Fee Required)
      For the transition period from __________ to __________

                  Commission file number  0-12081

                  AQUILA BIOPHARMACEUTICALS, INC.
      (Exact name of registrant as specified in its charter)
                                 
        Delaware        (508) 797-5777          04-3307818
(State or other       (Registrant's telephone   (IRS Employer
jurisdiction of        number, including area   Identification
incorporation or            code)                  No.)
organization)  

365 Plantation Street, Worcester, MA                   01605
(Address of principal executive offices)            (Zip Code)

  Securities registered pursuant to Section 12(b) of the Act: None

  Securities registered pursuant to Section 12(g) of the Act:
                    Common Stock, $.01 par value
                         (Title of Class)

  Indicate by check mark whether the registrant (1) has filed all
reports required to be filed by Section 13 or 15(d) of the
Securities Exchange Act of 1934 during the preceding 12 months (or
for such shorter period that the registrant was required to file
such reports), and (2) has been subject to such filing requirements
for the past 90 days.

    X  YES                               NO


  Indicate by check mark if disclosure of delinquent filers
pursuant to Item 405 of Regulation S-K is not contained herein, and
will not be contained, to the best of registrant's knowledge, in
definitive proxy or information statements incorporated by
reference in Part III of this Form 10-K or any amendment to this
Form 10-K.                                            X

  The aggregate market value of 4,967,642 shares of voting stock
held by non-affiliates of the registrant as of March 19, 1997 was
approximately $32,289,673 based on the last sale price of such
stock on such date.

  Indicate by check mark whether the registrant has filed all
documents and reports required to be filed by Section 12, 13, or
15(d) of the Securities Exchange Act of 1934 subsequent to the
distribution of securities under a plan confirmed by a court.
   X  YES                               NO

  Common Stock Outstanding as of March 19, 1997: 5,001,292 shares.
                                 
               DOCUMENTS INCORPORATED BY REFERENCE:

Portions of the definitive proxy statement in connection with the
annual meeting of shareholders to be held May 20, 1997 are
incorporated by reference into Part III of Form 10-K.






                    AQUILA BIOPHARMACEUTICALS, INC. - FORM 10-K

                    FIGHTING DISEASE THROUGH IMMUNE MODULATION


                                      PART I

        Item 1.   BUSINESS

        Aquila Biopharmaceuticals, Inc. ("Aquila" or the "Company")
        creates and commercializes products which modulate the immune
        system to control and prevent infectious diseases and cancer.  

        Background

        Aquila, organized in 1996, became a successor to Cambridge Biotech
        Corporation ("CBC") pursuant to the terms of a Reorganization Plan
        that was confirmed by the United States Bankruptcy Court on
        July 18, 1996 and consummated on October 21, 1996 (the "Plan").
        Prior to the confirmation of the Plan, CBC sold its enterics
        diagnostic business pursuant to an order of the Bankruptcy Court
        to Meridian Diagnostics, Inc. for $5,700,000 in cash and other
        considerations.  On or about October 21, 1996, CBC's
        biopharmaceutical business and its real estate in Rockville,
        Maryland were transferred to Aquila, free and clear of liens,
        encumbrances, claims and interests, except as otherwise provided
        in the Plan or confirmation order.  Pursuant to the Plan, CBC
        shareholders exchanged all of their CBC common stock for Aquila
        common stock and, as a result, CBC became a wholly owned
        subsidiary of Aquila.  Effective as of October 22, 1996, the
        Company sold all the issued and outstanding stock of CBC to
        bioMerieux Vitek, Inc. ("bioMerieux") pursuant to a Master
        Acquisition Agreement dated as of April 4, 1996.  At the same time
        bioMerieux entered into a ten year lease with Aquila for a portion
        of the Rockville, Maryland real estate which lease was
        simultaneously assigned by bioMerieux to CBC.

        Aquila's technology and product development programs are based
        upon modulation of the immune system using the StimulonTM family of
        adjuvants.  Advances in biotechnology and immunology have enabled
        scientists to develop a new generation of products containing
        portions of an infectious agent or a target cell.  These
        components are intended to be immunologically important.  These
        new products are safer than traditional vaccines, but often result
        in an immune response that is less than optimum.  Adjuvants can be
        used to improve the immune response.  

        Aquila's product development programs include the QuilimmuneTM 
        human health products and the QuilvaxTM products for animal health.
        The Company's corporate partners are SmithKline Beecham p.l.c.
        ("SKB"), Wyeth-Lederle Vaccines and Pediatrics, a business group
        of Wyeth-Ayerst International, Inc., a subsidiary of American Home
        Products Corporation, Pasteur Merieux Connaught, (the combination
        of Pasteur Merieux Serums et Vaccins S.A. and Connaught
        Laboratories, Inc.), Progenics Pharmaceuticals, Inc., VaxGen, Inc.
        and NABI.

        The Immune System and Immune Modulation

        The human immune system is made up of several different cell
        types, including B cells, T cells and antigen presenting cells.
        In general, the immune system responds to the presence of
        antigens, environmental agents or pathogens such as viruses,
        bacteria, and parasites in two different ways: the humoral
        response and the cellular response.  When a humoral response is
        stimulated, B cells are activated by a specific type of T cell,
        called a helper T cell, to produce antibodies which are specific
        for the antigen encountered.  The antibodies will bind to and can
        neutralize the pathogens - bacteria, parasites and viruses - which
        have invaded the body.  In the cellular response, a second type of
        T cell, called a cytotoxic T lymphocyte (CTL) is activated.  These
        cells recognize and kill cells containing pathogens.  In addition,
        T cells secrete biologically active molecules called cytokines,
        which mediate the effects of immune system cells and modulate
        other immune functions.  The specific activation of cytotoxic T
        cells, called a CTL response, is thought to be very important in
        products designed to treat or prevent diseases such as herpes,
        hepatitis, HIV and malaria.  It is also thought to be critical for
        many immunotherapeutic approaches to the treatment of cancer.  

        Traditional approaches for developing immune protection from
        infection in humans involved the use of animal viruses, or the use
        of attenuated or killed pathogens as vaccines.  For example, the
        injection of cowpox virus protects humans against smallpox
        infection.  Vaccines to protect against polio have been developed
        using either attenuated or killed polio viruses.  While these
        approaches are effective, there is a small but significant risk of
        disease developing in people receiving these types of vaccines.
        With the advent of recombinant technology, scientists realized
        that safer products could be created, using specific components of
        an organism rather than the whole organism.  For example, the
        genes for the surface antigens from a pathogen can be cloned using
        genetic engineering and used to make recombinant proteins.  The
        recombinant proteins are then used in a vaccine, to make a so
        called sub-unit vaccine.  Other specific components have been used
        to stimulate disease specific responses, including peptides
        (synthetic or recombinant), carbohydrates and lipoproteins.  

        When these newer technologies were first used, it was found that
        while a disease specific immune response was stimulated, often
        this response was not of the right quality or strong enough to
        provide protection from infection or disease.  As a result, immune
        modulation technologies have been developed that are coupled with
        specific biotechnology antigen approaches.  These methods for
        modulating the immune system include conjugation of the antigen to
        a carrier protein, the use of viral or bacterial vectors to carry
        specific genes, the use of cytokines or lymphokines to stimulate
        the immune system and the use of adjuvants.  Carrier proteins such
        as keyhole lympet hemocyanin (KLH) or the toxoids from diphtheria,
        tetanus and cholera have been used effectively.  An example of
        this type of vaccine is the Haemophilus influenzae type b
        conjugate vaccine, such as HibTITERTM sold by Wyeth-Lederle
        Vaccines and Pediatrics where the antigen is conjugated to the
        diphtheria CRM 197 protein.  Viral vectors such as vaccinia,
        canary pox, or the bacteria BCG are under evaluation as carriers
        of disease specific genes to determine whether they stimulate a
        protective immune response.  Adjuvants that have been used include
        aluminum hydroxide (Alum), MF59 a product of Chiron Corporation
        and its affiliates, monophosphoryl lipid A (MPL), a product of
        Ribi ImmunoChem Research, Inc. and saponins from Quillaja
        saponaria.  These adjuvant technologies are not all the same,
        affecting the humoral and cell mediated pathways differently.
        Some approaches result in general immune stimulation.  Others are
        more specific.  Aquila is developing the StimulonTM family of
        saponin adjuvants (QS-21, QS-7) as an immune modulation
        technology.  The Company uses biotechnology approaches for the
        creation of specific antigens, and combines these with the
        Company's proprietary StimulonTM adjuvants to create potentially
        safe and effective products.

        With the advent of new technology, changes are occurring in the
        market for immune modulating agents.  Because development of these
        new products involves a high rate of technological innovation, it
        is possible to protect new vaccines through patenting, which can
        result in increased profit margins.  While product liability costs
        are high for traditional vaccines (because of the safety
        concerns), product liability costs for vaccines using the new
        technology are comparable to those for therapeutic products.
        Manufacturing costs can be lower for modern vaccines than for
        other therapeutic products.  In the manufacturing of recombinant
        therapeutic enzymes it is often difficult to retain the enzymatic
        activity, and this can limit the choice of manufacturing methods.
        The limitations are not so stringent for products used to modulate
        the immune system.  Historically, vaccines were generally low
        priced, because the products were used to prevent disease in
        healthy people (prophylaxis).  However, in today's approaches to
        disease management, vaccines have been recognized as very
        effective contributors to controlling the total medical costs of
        certain diseases.  Therapeutic vaccines are in development for a
        number of intractable diseases, as are products for populations
        beyond infancy - young adults and the elderly.  

        The Use of Adjuvants: Technology to Modulate the Immune System

        Adjuvants are agents which are added to a product to improve or
        adjust the immune response.  Alum is the only adjuvant currently
        allowed in human vaccines licensed by the United States Food and
        Drug Administration ("FDA").  This adjuvant probably acts by a
        depot effect, which means that the addition of alum to a vaccine
        causes the antigen to remain at the site of injection for a longer
        period of time, which seems to increase the humoral immune
        response.  Another adjuvant under development by Ribi ImmunoChem
        Research, Inc., is a mixture of lipopolysaccharides derived from
        bacterial cell walls, and is called MPL.  Its use can increase the
        level of antibodies that are produced in response to an antigen,
        but additional components are often required to stimulate a
        significant CTL response.  Chiron is developing an adjuvant called
        MF59 which is an emulsion of three lipids and water.  It is a
        general, broad immune stimulant which will activate the immune
        system in the absence of an antigen.  Oil/water emulsions have
        been used in older vaccines and also act by a depot effect.  The
        StimulonTM family of adjuvants, QS-21 and QS-7, Aquila's adjuvants,
        are purified, defined molecules, isolated from natural sources.
        They stimulate antigen specific responses and have been shown to
        promote both antibody and a CTL immune responses in animal
        studies.  

        The StimulonTM Family of Adjuvants

        QS-21 is the lead StimulonTM adjuvant.  It is a natural product,
        purified from the bark of a tree which grows in South America,
        called Quillaja saponaria. The bulk bark extract is available in
        the United States.  QS-21 is purified to greater than 98%.  The
        Company believes QS-21 is well-suited to pharmaceutical
        development and formulation, because it has good stability as a
        dried powder (at least 3 years), is water soluble, and, when
        rehydrated, is a clear liquid that mixes easily with other vaccine
        components.  QS-21 is compatible with alum and microparticles
        which are used in many experimental vaccine formulations.  QS-21
        is  well-characterized with a known molecular structure -
        distinguishing it from competing adjuvant candidates, which are
        typically emulsions or biologicals.  Because QS-21 is currently
        regulated by the FDA as a "constituent material" used in vaccine
        preparation, the FDA does not require licensure of facilities used
        for its manufacture.  A second StimulonTM molecule, QS-7, which has
        a slightly different safety and activity profile, is in
        development.  Patents have issued to Aquila with composition of
        matter claims covering QS-7 and QS-21, as well as two other
        identified saponins, QS-17 and QS-18.  The Company has also been
        issued a patent for chemically modified saponins and all patents
        include the use of all of these molecules as adjuvants.

        The use of StimulonTM adjuvants improves the quality of the immune
        response.  Addition of QS-21 to antigens will generally broaden
        the type of antibody produced and stimulate cell mediated
        responses.  The quality of these responses is important for the
        development of effective products.  QS-21 also produces a strong
        quantitative response; ie, higher antibody levels are achieved,
        and it is potent and active at microgram doses.  The use of QS-21
        has been tested in a number of human clinical trials, involving
        over 900 subjects.

        QS-21 increases the titer, or amount, of antibodies produced by
        the immune system in response to vaccination with many types of
        antigens, including recombinant proteins derived from viruses and
        bacteria and free polysaccharide antigens from bacterial
        pathogens.  An unusual property of QS-21 is its ability both to
        increase significantly the antibody response to free
        polysaccharide antigens and to boost the titer further with a
        subsequent vaccination.

        QS-21 broadens the antibody profile through "isotype switching."
        The type of protective immunity elicited by an infection with a
        virus or bacterium typically includes antibodies of several
        isotypes (also called classes and subclasses).  Some of these
        isotypes can be more important than others in mediating protection
        against viral or bacterial pathogens.  Vaccination with a
        recombinant antigen typically stimulates only a few isotypes.
        Some adjuvants, such as alum, also only stimulate a narrow range
        of antibody isotypes.  Hence, alum may stimulate a high quantity,
        but a lower quality antibody.  In contrast, QS-21 stimulates high
        quantities of a broad range of antibody isotypes, enabling the
        vaccine-induced antibody response to resemble natural protective
        immune responses.

        QS-21 also stimulates cell-mediated immune responses and induces
        the production of cytotoxic T-lymphocytes (CTL).  The CTL response
        is a critical means of natural defense against viral infections
        and, is believed to eliminate abnormal cells that might otherwise
        develop into cancer.  Until recently, it was generally thought
        that recombinant antigens could not be used to elicit CTL
        responses.  The majority of adjuvants, including alum, fail to
        induce CTL responses.  However, Company scientists discovered that
        the simple addition of QS-21 to these antigens stimulates the
        production of a CTL response to the recombinant antigens in animal
        studies.  Other investigators have also reported that CTL
        responses induced by recombinant vaccines adjuvanted with QS-21
        can mimic the protective CTL responses induced by viral infection
        in animal studies.

        In a human clinical study reported in Cancer Research (Helling et
        al., Vol. 55, p. 2,783, 1995), the effectiveness of QS-21 in
        stimulating an antibody response to the carbohydrate cancer
        antigen GM2 was shown.  When GM2 was coupled to the carrier
        protein KLH, and tested in humans, there was almost no stimulation
        of an antibody response.  When the GM2-KLH antigen was used in
        combination with the adjuvant DetoxTM, only one subject of seven
        showed a slight increase in antibody titer.  However, when QS-21
        was added to the GM2-KLH antigen, all of the patients responded
        with the development of significant antibody titers.  This product
        is being developed by Progenics Pharmaceuticals, Inc. (a QS-21
        licensee of Aquila) and has recently entered Phase III human
        clinical trials.

        Recently, SKB in collaboration with the Walter Reed Army Institute
        of Research (WRAIR) reported in the New England Journal of
        Medicine (Stoute et al., NEJM, January 9, 1997, pp. 86-91) results
        of a Phase I human challenge study involving the testing of a
        potential malaria vaccine formulated with different adjuvants.
        The three different vaccine formulations all contained a
        recombinant circumsporozoite malaria antigen fused to a hepatitis
        B surface antigen as a carrier protein.  The first formulation
        also contained MPL and alum; the second an emulsion of oil and
        water; and, the third was formulated with QS-21, MPL and the oil
        and water emulsion.  In the first formulation, with MPL and alum
        only, there was a slight immunological response, but following
        challenge with the malaria parasite after vaccination, only one of
        the seven subjects in this group was protected from malaria.  In
        the second formulation, with the oil and water emulsion, the
        immune response was much stronger, but in the malaria challenge,
        only two of seven subjects were protected.  In the third vaccine
        formulation, with the addition of QS-21, the immune response was
        the highest.  Most importantly, the quality of the immune response
        was significantly different, as six of seven subjects exposed to
        the challenge with malaria were protected.  These results
        demonstrate that the quality of the immune response is critical.
        Aquila has been informed that SKB (a licensee of QS-21 from
        Aquila) is planning further clinical testing of this potential
        product.

        The Company believes that the performance of QS-21 will vary
        depending upon the nature of the antigen and the target
        population.  Initial human studies conducted by the Company's
        licensees and collaborators have focused on proving the safety of
        QS-21 and experimenting with different formulations and dose
        levels.  These studies, involving over 900 subjects, have shown
        that the addition of QS-21 to vaccine formulations improves the
        immune response to certain antigens, as evidenced by increased
        antibody titer and the induction of a CTL response.  No serious
        adverse events attributed to QS-21 have occurred thus far in the
        clinical studies.  Some local reactogenicity and pain on injection
        have been seen in some vaccine formulations, but this is believed
        to be due principally to particular formulations.

        QuilimmuneTM and QuilvaxTM Programs

        Aquila's strategy is to develop products itself and in partnership
        with other companies. The Company has six products in development
        or commercialized.




                    QuilimmuneTM & QuilvaxTM Product Development


        Program                  Market                Status

        Quilimmune-P TM             Adults >50 years      Phase I clinical
        Product to prevent       >20 mil. people in    trials initiated Q4
        pneumococcal             U.S.                  1996
        infections

        Quilvax-M TM Product to     30 million milk       Bovine immunogenicity
        prevent bovine           cows in the U.S. &    trials completed,
        mastitis (S. aureus &    Europe                challenge studies
        E. coli)                                       ongoing

        Quilimmune-T TM             Persons at risk for   Pre-clinical research
        Product to prevent       tick bites
        Lyme-HGE diseases

        Quilimmune-M TM             1-2 billion persons   Spf66/QS-21 Phase I
        Product to prevent       at risk               trial scheduled to
        malaria (Plasmodium                            start 1997
        falciparum)

        Quilvax-L TM                10 million dogs at    Licensing efficacy &
        Product to prevent       risk in endemic       safety trials
        canine Lyme disease      areas                 completed; safety
                                                       duration of immunity
                                                       studies ongoing
        Quilvax-FeLV TM 
        Product to prevent       ~ 15 million cats     On market, 
        feline leukemia          vaccinated per year   LeucogenR, Virbac
                                 in the U.S. and       (Europe), GenetivacR,
                                 Europe                Mallinckrodt
                                                       Veterinary Inc.
                                                       (U.S.)

        Quilimmune-P TM for the Prevention of Pneumococcal Infections

        Quilimmune-P TM is intended to be used to prevent pneumococcal
        infections in the elderly.  Pneumococcal infections are a major
        cause of death in the elderly.  There are approximately 20 million
        people over the age of sixty-five in the US.  Various strains of
        Streptococcus pneumoniae are responsible for most community-
        acquired cases of pneumonia (500,000 cases per year) and are the
        second most common cause of bacteremia (50,000 cases per year,
        with 25% mortality).  S. pneumoniae also causes half of childhood
        otitis media, the most frequent reason (one out of three) for
        visits to pediatricians.  In some developing countries,
        pneumococcal pneumonia kills approximately 10% of the children
        under the age of five, making it the single leading cause of
        death.  Public health officials now place a high priority on the
        development of new pneumococcal vaccines, and are considering
        expanding the population for which vaccination would be
        recommended.

        There are currently over 80 recognized serotypes of pneumococci,
        each with varying geographic and age-group prevalence.  The
        currently available vaccines, which were developed and approved in
        the early 1980s, cover 23 serotypes, which cause over 90% of
        infections in the United States and Europe.  These vaccines are
        composed of purified capsular polysaccharides, which are not
        potent immunogens.  Although approved by the FDA for use in
        adults, these vaccines are not recommended for children under two
        years of age, and are less effective in immune-competent elderly
        individuals.  Development efforts are underway by several
        companies to improve the immune response to S. pneumoniae capsular
        polysaccharides by conjugating the polysaccharides to immunogenic
        carrier proteins.  This approach was used in developing the
        successful Hib (Hemophilus influenzae type b) vaccines.  However,
        the manufacturing expense and cumulative mass of the conjugated
        components make it very difficult to include all 23 of the strains
        in the currently available vaccine as conjugates.  The companies
        developing conjugate vaccines have therefore chosen to focus on
        the five to ten strains most prevalent in infants and young
        children.  The resulting vaccines, if successfully developed,
        would likely not be appropriate for immunization of adults and the
        elderly because they address only the limited number of strains
        problematic in children rather than the broader range problematic
        in the elderly.  It is also likely that the conjugate vaccines
        would be too expensive for widespread use in the developing world.

        The current pneumococcal vaccines are not widely used for the
        elderly, for a number of reasons.  Reports in the medical
        literature indicate that the current vaccines are effective in the
        elderly in only 50-60% of the recipients.  A number of side
        effects are caused by the current vaccines, including pain on
        injection, a sore arm, fever, and a general feeling of malaise for
        a few days.  Because of these side effects, these traditional
        vaccines have not been licensed for repeat use, perhaps resulting
        in a misconception in the market that these vaccines give lifetime
        protection.  In elderly subjects, however, not only is the
        effectiveness only 50-60%, but of those 50-60% who do respond, the
        antibody titers drop over a number of years.  Typically after 3 or
        more years, the effective levels of antibodies in such subjects is
        quite low (Shapiro et al.  NEJM, 1991).  Another reason these
        vaccines are poorly utilized is because physicians have an option
        of treating patients who develop pneumonia with antibiotics.  With
        increased antibiotic resistance, this option is not as effective,
        and physicians are moving towards prevention as a therapeutic
        choice.  As a result there is an urgent need for a more effective
        and safe pneumococcal vaccine for the elderly.  

        In animal studies Aquila scientists have shown that the use of
        Quilimmune-P TM, which contains 23 different capsular
        polysaccharides and QS-21, improves the immune response in mice.
        For instance, many polysaccharides to which mice do not typically
        respond become immunogenic with Quilimmune-P TM.  In addition,
        antibody titers to many strains increase.  The effect may make the
        use of a lower antigen dose feasible, which could make the vaccine
        less expensive and also reduce side effects.  Finally, mice re-
        vaccinated with Quilimmune-P TM experience a booster effect for many
        strains, a response not seen with existing vaccines.  This effect
        may allow the administration of periodic booster shots to maintain
        immunity levels.

        Aquila initiated a Phase I clinical trial in 1996 in healthy
        volunteers.  The study is being carried out in collaboration with
        and supported by the National Institutes of Health (NIH). The
        primary end point of the study is to evaluate safety; a secondary
        goal is to evaluate immune responses.  The study is designed as a
        dose response study, evaluating several different dosage levels of
        the polysaccharide antigens and adjuvant.  The control group is
        receiving the marketed vaccine.  The study is expected to be
        completed in 1997, and if the trial is successful, Aquila intends
        to initiate a Phase II trial in an elderly population towards the
        end of 1997.  

        Quilvax-M TM for the Prevention of Bovine Mastitis

        Mastitis is an inflammation of a dairy cow's udder.  Three
        pathogens typically cause these infections: Staphylococcus aureus
        ("S. aureus"), Escherichia coli ("E. coli"), and Streptococcus
        agalactiae.  Mastitis is the most costly disease affecting the
        dairy industry.  The economic impact in the US of bovine mastitis
        is estimated to be between $1-2 billion per year.  According to
        the National Mastitis Council, the losses per cow per year are
        $184 (there are about 9.5 million dairy cows in the U.S.).  The
        principle losses occur from reduced milk production, from milk
        which has to be discarded, and from animal replacement costs.
        Many times when an animal develops mastitis, it is simply culled
        from the herd. There are also extra labor costs, treatment, and
        veterinary services to cope with this disease. 

        There are a number of bovine mastitis vaccines on the market, but
        these are directed towards E. coli only.  Since E. coli accounts
        for only a portion of the number of cases of mastitis, these
        vaccines are  not widely used.  E. coli and S. aureus account for
        about 70-80% of the mastitis cases.  Aquila's Quilvax-M TM bovine
        mastitis product is bivalent, containing antigens for both S.
        aureus and E. coli, and is expected to provide broader protection.

        The S. aureus component of the product is based on patented anti-
        adhesion technology.  A single S. aureus protein known as
        fibronectin binding protein is primarily responsible for
        attachment of S. aureus to host tissue and subsequent
        establishment of infection.  In the Company's Quilvax-M TM product
        program, fibronectin binding protein is used as an antigen to
        induce an antibody response to block attachment of the bacterium
        to the cells in the cow's udder.  Recent bovine field trials have
        indicated that Quilvax-M TM is safe, immunogenic, and has a
        beneficial impact on mastitis in animals challenged with
        S. aureus.  The Company believes it could add a streptococcal
        component in a next generation vaccine.

        The development program is 50% funded by Virbac.  The Company has
        retained exclusive marketing rights in North America.  Virbac has
        exclusive marketing rights in Europe.  The parties share marketing
        rights in the rest of the world.

        Quilimmune-T TM for the Prevention of Tick Borne Diseases

        Ticks can transmit pathogens that cause a variety of diseases,
        including Lyme disease, Rocky Mountain Spotted Fever and
        Babesiosis.  Lyme disease was first described in 1969, but its
        cause, Borrelia burgdorferi transmitted by tick bites, was not
        identified until 1981.  According to the Center for Disease
        Control and Prevention, Lyme disease is the leading tick-borne
        infectious disease in the United States, with over 40,000 reported
        cases, including cases in all 50 states.  In 1991 scientists
        reported the discovery of a new disease, human granulocytic
        ehrlichiosis (HGE), caused by a microorganism in the genus
        Ehrlichia transmitted by the bite of the same tick that carries
        Lyme disease.  HGE's flu-like symptoms include fever, headache and
        muscular aches, as well as joint pain, nausea, vomiting and cough.
        HGE is believed to have caused several deaths in immune-
        compromised patients.

        Aquila scientists found the HGE-causing organism in dogs in 1994
        in the course of the efficacy trials of Aquila's canine Lyme
        disease product, and traced its source to the ticks.  Aquila
        believes that it was the first to successfully cultivate the HGE
        organism in tissue culture, and the Company has filed patent
        applications on infected cell lines, the methods of growing the
        organism, and potential vaccine antigens and diagnostic reagents
        derived from the pathogen.

        Aquila has been working with the Centers for Disease Control and
        Prevention ("CDC") to develop a blood test to be used in
        epidemiological surveys that will determine how widespread the
        disease may be.  Prior to Aquila's development of the cell lines,
        diagnosis of the disease was extremely difficult, and impractical
        for survey purposes. Aquila has been conducting additional
        internal research to better characterize the organism and to
        develop additional vaccine antigens and diagnostic reagents, and
        has collaborations with leading academic researchers.  Aquila
        believes that a combination vaccine could be developed against HGE
        and human Lyme disease.  Aquila's work in HGE may also have
        applicability for animal health applications.  The HGE organism
        appears to cause illness in dogs.  Once the epidemiology is better
        understood, Aquila  may seek development funding from an animal
        health partner.




        Quilimmune-M TM for the Prevention of Malaria

        According to estimates in published reports, over two billion
        people reside in malaria-infected areas.  The yearly incidence of
        malaria is estimated by the World Health Organization at 300 to
        500 million cases, with a death toll of 1.5 to 3 million persons.
        While anti-malarial drugs have been in use for decades, they are
        expensive and resistant malarial strains are becoming increasingly
        common.  The World Health Organization has identified malaria as a
        priority vaccine target in developing countries.

        Aquila is involved in a number of development programs to develop
        products for malaria.  SKB/WRAIR are developing a vaccine
        containing QS-21 based on a  recombinant circumsporozite protein
        fused to hepatitis B surface antigen.  The results of a Phase I
        challenge study were published recently in the New England Journal
        of Medicine (Stoute et al., NEJM, January 9, 1997, pp. 86-91)
        involving three vaccine formulations.  QS-21 was a critical
        component of the only formulation to protect against malaria
        challenge in six of the seven subjects challenged.  

        In addition to this study, Aquila has a collaboration with the
        World Health Organization (WHO) on another malaria product
        involving the antigen Spf66.  Spf66, a polymerized peptide, was
        discovered by Dr. Manuel Pattaroya at Instituto de Immunologica
        Hospital San Juan de Dios in Colombia, South America. The antigen
        has been tested with an alum adjuvant in three large clinical
        trials in humans.  Protection was achieved from malaria in two of
        the trials in 31% of the adults and children.  In the third trial
        there was no protection.  These mixed results are thought to be
        the result of several factors:  different manufacturing processes
        were used for the Spf66; the design of the trials was different;
        the clinical definition of malaria varied between studies; and the
        study populations were different.  

        Aquila has investigated the effectiveness of a Quilimmune-M TM
        product containing QS-21 and Spf66.  In a study in Aotus monkeys,
        57% of the animals were protected from malaria on challenge after
        vaccination with Spf66 plus QS-21.  In this study, a control
        vaccine of Spf66 alum (the product that was used in the human
        studies) gave only 25% protection, comparable to the results
        obtained previously.  A human clinical trial of Quilimmune-M tm is
        planned in 1997 and will be overseen by WHO.  

        Quilvax-L TM for the Prevention of Canine Lyme Disease

        Aquila is developing a product pursuant to a 1991 agreement with
        Mallinckrodt Veterinary Inc. ("Mallinckrodt") against Lyme disease
        in dogs.  There are approximately 50 million dogs in the United
        States, with perhaps a fifth of them living in areas infested with
        the tick which transmits Borrelia burgdorferi, the cause of Lyme
        disease.  The potential market for a canine Lyme disease product
        may be as much as $50 million.

        During 1993-94, Aquila conducted efficacy trials on its canine
        Lyme disease product using a protocol approved by the United
        States Department of Agriculture ("USDA").  The studies showed
        that use of Quilvax-L TM resulted in protection from symptoms in 89%
        of the dogs.  Data from this trial was submitted to the United
        States Department of Agriculture ("USDA"), which reviewed the data
        in support of licensure and found the outcome satisfactory.
        Quilvax-L TM incorporates two outer surface proteins of Borrelia and
        QS-21, a formulation which the Company believes offers better
        protection against geographically diverse strains of the pathogen.
        Mallinckrodt is in the process of conducting field safety studies.
        A patent application has been filed on this formulation.  

        Under the Mallinckrodt agreement, the Company will supply
        Mallinckrodt with bulk formulated product, which Mallinckrodt will
        then fill, finish, and distribute.  The Company will be paid a
        supply price for the product and receive a royalty on
        Mallinckrodt's sales.

        Quilvax-FeLV TM for the Prevention of Feline Leukemia

        Aquila has developed a recombinant subunit vaccine against the
        feline leukemia virus.  The product was approved in 1990 in the US
        and 1991 in Europe.  It is marketed by Virbac SA in Europe,
        Australia and Japan under the tradename LeucogenR and by
        Mallinckrodt in the U.S. under the tradename GenetivacR.  FeLV is
        a highly contagious and commonly fatal disease of cats.  Aquila's
        product was the first recombinant vaccine ever developed against a
        tumor-causing virus in mammals.  Aquila manufactures bulk
        formulated  vaccine for the United States and Australian markets,
        and supplies Virbac with bulk antigen and adjuvant for further
        manufacture for the European and Japanese markets.  The product is
        the leading FeLV vaccine in Europe, and in a recent independent
        study was found to be the most effective of three leading FeLV
        products on the market.

        Corporate Partner Programs

        In addition to Aquila's own product development programs, the
        Company has six corporate partners who have licensed the StimulonTM 
        adjuvants for a variety of human diseases.  The six corporate
        partners are SmithKline Beecham p.l.c., Wyeth-Lederle Vaccines and
        Pediatrics, Pasteur Merieux Connaught, Progenics Pharmaceuticals,
        Inc., VaxGen, Inc. and NABI.  Three of the world's four largest
        vaccine manufacturers are partners using Aquila's adjuvants.  In
        return for rights to use StimulonTM adjuvants for specific
        diseases, the corporate partners have agreed to pay Aquila license
        fees, milestone payments, and royalties on product sales.  Aquila
        has retained worldwide manufacturing rights for QS-21.




                             Clinical Trials Completed


        Disease               Market                           Trial

        Breast Cancer         180,000 cases per year in U.S.   Phase I

        Influenza*            50 million infections per year   Phase I
                                                               Phase I
                                                               Phase II

        Herpes I/II           125 million people infected      Phase I
                                                               Phase Ib

        HIV-1                 >1 million people infected in    Phase I
                              U.S.                             Phase II

        Hepatitis B           300,000 cases per year in U.S.   Phase I

        Malaria               1-2 billion persons at risk      Phase I challenge

        Melanoma*             30,000 cases per year in U.S.    Phase I/II
                                                               Phase I/II
                                                               Phase I/II

        Respiratory Virus     100,000/yr. - infant             Phase I
                              hospitalizations

        *  Multiple partners and/or different antigens




                      StimulonTM  Product Development Programs


        Clinical Trials Ongoing

        B-Cell lymph* (two, Phase I)               Therapeutic
        Breast cancer (two, Phase I)               Therapeutic
        Colon cancer (two, Phase I)                Therapeutic
        Hepatitis B                                Therapeutic
        Herpes II                                  Therapeutic
        HIV-1* (Phase I)                           Prophylactic
        Influenza* (Phase I)                       Prophylactic
        Melanoma* (six, Phase I/II)                Therapeutic
        Melanoma* (two, Phase II/III)              Therapeutic
        Pancreatic cancer (Phase I)                Therapeutic
        Prostate cancer (two, Phase I)             Therapeutic
        Strep-pneumo* (Phase I)                    Prophylactic


        Pre-Clinical/Research

        Chlamydia
        CMV
        EBV
        Gonococcus
        Hepatitis C
        Herpes zoster
        HIV-1*
        Melanoma* 
        Para influenza
        Rotavirus
        Toxoplasmosis
        Malaria*


        *  Multiple partners and/or different antigens






        *    SmithKline Beecham, p.l.c. has licensed QS-21 for a number of
             different applications, including influenza, herpes,
             hepatitis, Lyme disease and malaria.  The world's leading
             manufacturer of Hepatitis B vaccine, SmithKline is
             aggressively marketing its existing portfolio of vaccines,
             while developing new and improved products.  SmithKline has
             completed a number of Phase I clinical trials of potential
             products containing QS-21 and is also investigating the use
             of combinations of different adjuvants.  (See Management's
             Discussion and Analysis for revenues received from SKB.)

        *    Pasteur Merieux Connaught has licensed QS-21 for use in its
             influenza and HIV vaccine programs.  Pasteur Merieux has
             completed two clinical trials for influenza and has ongoing
             pre-clinical work on three potential HIV products.  

        *    Wyeth-Lederle Vaccines and Pediatrics licensed QS-21 in 1992
             for use in five vaccines.  Wyeth-Lederle, formed as a result
             of the acquisition of American Cyanamid by American Home
             Products, is a leader in pediatric vaccines.  Wyeth-Lederle
             initiated a Phase I clinical trial using QS-21 in 1995.

        *    Progenics Pharmaceuticals, Inc. licensed QS-21 in 1995 for
             use in certain therapeutic vaccines for cancer.  Progenics'
             most advanced program involves the use of QS-21 with a
             ganglioside preparation to treat melanoma.  Phase I/II
             clinical trials of this product, which was initially
             developed by physicians at Memorial Hospital for Cancer and
             Related Diseases ("Memorial Sloan Kettering"), have been
             completed, and a Phase III study has been started under the
             aegis of the Eastern and Southwestern Collaborative Oncology
             Groups.  A second Phase III study is expected to be initiated
             in the United Kingdom and a third in Australia.  Aquila has
             licensed Progenics to use QS-21 in exchange for a license
             fee, an equity interest in Progenics, and royalties.

        *    VaxGen, Inc. (an early stage company whose major corporate
             shareholder is Genentech, Inc.) has licensed QS-21 for use in
             its HIV-1 vaccine program.  VaxGen has conducted Phase I
             clinical trials in healthy volunteers with a product
             formulated with QS-21, under the auspices of the National
             Institutes of Health.  This trial was expanded in 1994 after
             improved neutralizing antibody responses were observed in
             volunteers receiving products containing QS-21.  While some
             volunteers in this study reported pain on injection, Aquila
             has been informed that an additional study with this
             potential vaccine is planned.

        *    NABI has licensed QS-21 for use in production of
             immunoglobulin for prevention and treatment of gram-negative
             and gram-positive bacterial infections.  NABI is currently
             evaluating its products in clinical trials without using<PAGE>




             adjuvants.  The Company is uncertain if or when NABI will
             commence clinical trials using QS-21.

        Manufacturing and Scale-Up

        As part of each StimulonTM adjuvant licensing agreement, the
        Company has retained the right to be the exclusive supplier of
        Stimulon   adjuvants.  The license agreements stipulate the supply
        prices, within certain ranges.  Pursuant to the license
        agreements, the Company will also receive royalties on its
        licensees' product sales.

        The Company currently manufactures QS-21 for commercial animal
        health use and for use in human clinical trials.  The Company
        produces QS-21 with an average batch size sufficient for
        approximately 200,000 doses.  The Company is scaling the process
        to produce a batch size suitable for commercial production up to
        2,000,000 doses.

        QS-21 is currently classified by the FDA as a constituent material
        used in vaccine preparation.  As a result, the FDA does not
        require licensure of facilities used for its manufacture.  Aquila
        believes that classification of QS-21 as a constituent material
        affords flexibility in the timing of investment in commercial
        manufacturing facilities.  After the safety and effectiveness of
        QS-21 has been demonstrated, Aquila expects to be in a position to
        reasonably project the plant capacity and the capital investment
        required.

        Patents and Proprietary Rights

        Aquila has pursued a policy of obtaining patent protection both in
        the United States and in selected foreign countries for patentable
        subject matter in its proprietary technologies.  The Company has
        filed or has rights to a number of U.S. patents and patent
        applications and their foreign counterparts.  Aquila also relies
        on trade secrets, proprietary know-how, and continuing technical
        innovation to develop and maintain its competitive position.

        Aquila's future success will depend, in part, upon its ability to
        develop patentable products and technologies and obtain patent
        protection for its products and technologies both in the United
        States and Europe. There can be no assurance that patent
        applications owned or licensed by the Company will issue as
        patents, that patent protection will be secured for any particular
        technology, or that, if issued, such patents will be valid, or
        that they will provide the Company with meaningful protection
        against competitors with a competitive advantage. There can be no
        assurance that the patents will not be challenged or designed
        around by others.  Proceedings brought against Aquila's patents
        could expose it to significant expense and the risk of adverse
        determinations.




        Aquila is not aware of any issued third party patents which would
        interfere with development of any of its products, but there can
        be no assurance that it will not infringe on existing or future
        patents owned by others, that third parties will not bring suit
        against it for infringement of such patents, that the Company
        could obtain necessary or desirable licenses on acceptable terms,
        or that it could design around such patents.  Any litigation
        instituted by third party patent holders could expose Aquila to
        significant expense and the risk of adverse determination.  

        QS-21 and other Adjuvants

        Aquila received U.S. Patent No. 5,057,540 in 1991, covering
        purified QS-21, QS-7 and the other principal fractions of
        Quillaja saponaria and methods of their use in vaccines.  It
        believes that the standard of purity specified in the patent for
        the saponin fractions is necessary to achieve a safety profile
        acceptable for human use.  CSL International ACN ("CSL") controls
        certain patents and patent applications covering ISCOMS (immune
        stimulating complexes) prepared from crude saponin fractions,
        lipids and various antigens.  The Company believes that its
        products do not infringe CSL's U.S. or European patents due to
        process differences and formulation techniques which avoid ISCOM
        formation, although the issue is less clear in Europe.  In the
        event patents do issue to CSL or other parties which dominate QS-
        21, there can be no assurance that Aquila will be able to obtain
        licenses or obtain such licenses on favorable terms.  

        Human Granulocytic Ehrlichiosis

        Aquila believes that it was the first to successfully cultivate
        the HGE organism in tissue culture.  The Company has filed patent
        applications on infected cell lines, the methods of growing the
        organism, and potential vaccine antigens and diagnostic reagents
        derived from the cell line.  Other researchers in the field of HGE
        have filed patent applications that might conflict with Aquila's
        patent applications.  There can be no assurance that any of
        Aquila's patent applications will issue.

        Lyme Disease

        Aquila has filed a patent application on its vaccine formulation
        of using both the A and the B outer surface proteins and QS-21;
        animal data indicates this formulation induces group-specific
        immune responses (important for protection against multiple
        Borrelia strains) significantly better than vaccines containing
        only one or two of these components.  There are several patents
        pending in the United States and in Europe which, if issued in
        their current form, may dominate Aquila's Lyme vaccine.  Aquila
        believes that it is unlikely that any dominant claims will issue
        because of the extensive prior art, but there can be no assurance
        that the Company's position is correct and, if dominating patents
        do issue, there can be no assurance that it will be able to obtain
        the necessary licenses or obtain such licenses on favorable terms.  




        Mastitis

        Aquila exclusively licensed from Alfa Laval Agri AB certain base
        technology used in the mastitis program.  This technology includes
        patents and patent applications on fibronectin binding proteins
        from S. Aureus, E. coli and S. dysgalactiae.  The Alfa Laval
        license calls for payment of an initial license fee, royalties,
        and additional license fees as additional patents issue and when
        Aquila commercializes the vaccines.  As part of the joint
        development agreement with Virbac, Aquila arranged for Alfa Laval
        to grant a direct license to Virbac in certain territories.

        Other Patents

        Aquila also holds U.S. patents on its Quilvax-FeLV TM vaccine, drug
        delivery compounds, and patents on methods of expressing and
        purifying proteins made in a baculovirus expression system have
        issued.  Aquila was granted by CBC, effective on the closing of
        the transaction with bioMerieux: (a) a fully paid-up royalty-free
        license to U.S. Patent No. 4,734,362 and foreign counterparts
        (protein purification) in the vaccine, therapeutic and related
        research fields; (b) a fully paid-up royalty-free license to U.S.
        Patent No. 4,753,873 in the veterinary diagnostic field; and (c) a
        non-exclusive sublicense to U.S. Patent No. 4,725,669 and U.S.
        Patent No. 5,068,174 (HIV-gp120-p27) in the vaccine, therapeutic
        and related research fields.

        Competition

        The biotechnology and pharmaceutical industries are subject to
        rapid and significant technological change.  Competitors of Aquila
        in the United States and abroad are numerous.  They include, among
        others, major pharmaceutical and chemical companies, specialized
        biotechnology firms, universities and other research institutions.
        There can be no assurance that Aquila's competitors will not
        succeed in developing technologies and products that are more
        effective than any which have been developed by the Company or may
        be developed by the Company in the future or which would render
        the Company's technology and products obsolete and noncompetitive.
        Many of these competitors have substantially greater financial and
        technical resources and production and marketing capabilities than
        Aquila.  In addition, some of Aquila's competitors have
        substantially greater experience than the Company in preclinical
        testing and human clinical trials of pharmaceutical products and
        in obtaining FDA and other regulatory approvals of products for
        use in healthcare.  Accordingly, Aquila's competitors may succeed
        in obtaining FDA approval for products more rapidly than could the
        Company.  There can be no assurance that Aquila's products under
        development will be able to compete successfully with existing
        products or products under development by other companies,
        universities and other institutions or that they will attain
        regulatory approval in the United States or elsewhere.  If Aquila
        commences significant commercial sales of its products, it will
        also be competing with respect to manufacturing efficiency and
        marketing capabilities, areas in which it may have less
        experience.  A significant amount of research in the field is also
        being carried out at academic and government institutions.  These
        institutions are becoming increasingly aware of the commercial
        value of their findings and are becoming more aggressive in
        pursuing patent protection and negotiating licensing arrangements
        to collect royalties for use of technology that they have
        developed.  These institutions may also market competitive
        commercial products on their own or in collaboration with
        competitors and will compete with Aquila in recruiting highly
        qualified scientific personnel.  

        Aquila is aware of certain programs and products under development
        by others which may compete with its programs and products.
        Several companies, including Ribi ImmunoChem Research, Inc. and
        Chiron Corporation, are developing adjuvants.

        At least two of Aquila's adjuvant licensees are also licensees of
        Ribi for certain diseases.  Fort Dodge and Rhone Merieux already
        have canine Lyme disease vaccines on the market, while Pasteur
        Merieux Connaught and SKB are in advanced human trials with human
        Lyme disease vaccines.  Merck, Wyeth-Lederle and possibly others
        are in human clinical trials with conjugate pneumococcal vaccines
        for the pediatric market, and have existing non-adjuvanted
        products on the market.  Several companies market mastitis
        vaccines for infections caused by E. coli, but these vaccines do
        not protect against staphylococcal or streptococcal infections.
        The existence of products developed by these and other
        competitors, or other products of which Aquila is not aware or
        which may be developed in the future, may adversely affect the
        marketability of products developed by Aquila.

        Government Regulation

        The FDA, the USDA, the Environmental Protection Agency and the
        Nuclear Regulatory Commission, comparable state agencies and other
        agencies, including those in foreign countries, impose
        requirements governing the development, manufacture and marketing
        of certain of Aquila's products and products under development.
        The regulatory process can take several years, involves lengthy
        and detailed laboratory and clinical testing, and requires
        substantial expenditures.  Human biologicals and pharmaceuticals,
        including vaccines, typically require three stages of clinical
        trials: Phase I to determine the preliminary safety of the
        product; Phase II, during which the efficacy of the product is
        preliminary assessed and treatment regimens refined; and Phase III
        (sometimes referred to as "pivotal trials") during which final
        safety and efficacy data are generated.  Regulatory approval is
        required prior to commencement of initial clinical trials.  The
        clinical data, together with comprehensive manufacturing and
        facility information, is filed with the FDA in a New Drug
        Application (NDA) or Product License Application (PLA) and an
        Establishment License Application (ELA), or in certain cases as a
        Biologics License Application (BLA), on which the regulatory
        agencies base their approval decisions.  In some instances,
        particularly in cases of life-threatening diseases for which there
        is no effective treatment, the clinical trial phases may be
        combined, or approval may be sought after completion of an
        expanded Phase II trial.

        Because QS-21 is currently classified by the FDA as a constituent
        material used in vaccine preparation, the FDA does not require
        licensure of facilities used in its manufacture.  Aquila believes
        that this affords flexibility on investment in commercial
        manufacturing facilities.  Aquila has filed a Biologics Master
        File for QS-21 with the FDA, which its licensees can reference as
        part of their own PLAs and NDAs as they seek FDA approval.

        There can be no assurance that, at the end of the regulatory
        process, approval will be obtained or that product developments by
        competitors in the interim will not have made Aquila's products
        obsolete or economically unfeasible.  The extent of regulation
        which may arise from future legislative or administrative action
        cannot be predicted, nor can the potential impact of such future
        regulation, or changes in existing regulation, be predicted with
        any certainty.

        Product Liability

        Aquila has potential liability risks that are inherent in the
        testing, manufacturing and marketing of medical products.  The use
        of Aquila's products or conduct of clinical trials may expose
        Aquila to product liability claims and possible adverse publicity.
        These risks also exist with respect to Aquila's products, if any,
        that receive regulatory approval for commercial sale.  The Company
        currently has limited product liability coverage for the clinical
        research use of its products, which management believes is
        customary for companies with products at this stage of clinical
        development.  There can be no assurance that Aquila will be able
        to maintain its existing insurance coverage or obtain additional
        insurance coverage at acceptable costs, if at all, or that a
        product liability claim would not materially adversely affect the
        business or financial condition of the Company.

        If and when Aquila manufactures products that are recommended for
        routine administration to children, it is possible that it will be
        required to participate in the National Vaccine Injury
        Compensation Program.  This program compensates children having
        adverse reactions to certain routine childhood immunizations with
        funds collected through an excise tax from the manufacturers of
        these products.

        Human Resources

        As of March 1, 1997, Aquila employed 60 full-time employees.  The
        employees are not represented by any labor unions, and the Company
        considers its relations with those employees to be good.  Aquila's
        scientific staff has expertise in many relevant areas and these
        internal resources are augmented by consulting agreements with
        research scientists located at various academic institutions and
        commercial organizations.

        Scientific Advisory Board

        Aquila's Scientific Advisory Board consists of six individuals
        with recognized expertise in immunology.  The Scientific Advisory
        Board meets from time to time to discuss matters relating to the
        Company's current and long-term scientific planning and research
        and development, and the individual members are available for
        consultation on an informal basis.  All members of the Scientific
        Advisory Board are employed by academic institutions, and may have
        commitments or consulting or advisory obligations to other
        entities that may limit their availability to Aquila.  These
        entities may be competitors of Aquila.  In certain circumstances,
        the academic institutions which employ the Scientific Advisory
        Board members may assert ownership rights to inventions or other
        technology that may result from advice provided to Aquila by such
        members.  In such circumstances, Aquila could seek to negotiate
        licenses to such inventions or technology, but there can be no
        assurance that the Company would be able to obtain such licenses
        on commercially reasonable terms.  No members of the Scientific
        Board are expected to devote more than a small portion of their
        time to Aquila's business.

        The following persons are the current members of the Scientific
        Advisory Board:

             Mary Lou Clements-Mann, M.D., M.P.H.
             Professor 
             Department of International Health
             Johns Hopkins University
             Center for Immunization Research

             John R. David, M.D.
             Richard Pearson Strong Professor and 
             Chairman of the Department of Tropical Public Health
             Professor of Medicine and Chief of the Division 
             of Tropical Medicine
             Harvard Medical School

             Michael J. Hawkins, M.D.
             Associate Professor of Medicine
             Division of Medical Oncology
             Vincent T. Lombardi Cancer Research Center
             Georgetown University College of Medicine

             Arthur I. Hurwitz, D.V.M., Ph.D.
             Chairman, Department of Pathology
             The Animal Medical Center
             New York




             Takis S. Papas, Ph.D.
             Director, Center for Molecular and Structural Biology 
             and Professor of Medicine
             CMSB/Hollings Oncology Center
             Medical University of South Carolina

             Richard J. Whitley, M.D.
             Professor of Pediatrics
             University of Alabama at Birmingham
             Children's Hospital

        Aquila's discussions as to management's plans and objectives for
        Aquila's business after the date hereof are forward looking
        statements which involve a number of risks and uncertainties.
        Actual results may differ materially from those projected by
        Aquila.  The following factors, among others, could effect the
        Company's actual results:  general economic conditions; risks in
        product and technology development; delays and difficulties in the
        regulatory approval process; difficulties in obtaining raw
        materials and supplies for the Company's products; failure of
        corporate partners to commercialize successfully products using
        the Company's technology; competition from other companies; the
        costs of acquiring additional technology; failure to obtain the
        funding necessary for the Company's planned activities; and other
        risks and uncertainties identified in this report on Form 10-K and
        in Aquila's Security and Exchange Commission filings and the
        exhibits thereto.  

        Item 2.   PROPERTIES.

        Aquila currently leases a 76,475 square foot facility at the
        Biotechnology Research Park in Worcester, Massachusetts.  The
        facility contains research and development laboratories, quality
        control laboratories, manufacturing space and administrative
        offices.  The building is leased pursuant to a lease with a ten
        year initial term expiring December 1996.  The Lease has been
        extended through December 1997.  Since the space exceeds its needs
        for the continuing business, Aquila may relocate to new space at
        the end of 1997.  Aquila believes that suitable replacement space
        is available at reasonable rates.

        Aquila owns three buildings in Rockville, Maryland.  A majority of
        a 46,000 square foot building at 1500 East Gude Drive and a 3,800
        square foot building at 3 1/2 Taft Court are leased to bioMerieux
        under a ten year lease which commenced in October 1996.  A 20,852
        square foot laboratory building at 3 Taft Court is leased to
        Biotech Research Labs, a subsidiary of Boston Biomedica Inc.,
        under a five year lease which commenced July 1992. 


        Item 3.   LEGAL PROCEEDINGS.

        The Plan of Reorganization (the "Plan") of Cambridge Biotech
        Corporation ("CBC") was confirmed by the United States Bankruptcy
        Court ("Bankruptcy Court") on July 18, 1996 and consummated on
        October 21, 1996.  

        Four parties appealed the Bankruptcy Court's July 18, 1996 order
        confirming the Plan, including Alfa-Laval Agri AB, Behring
        Diagnostics, Inc., Deloitte & Touche, LLP ("Deloitte") and
        Institut Pasteur with Pasteur Sanofi Diagnostics. The appeals
        taken by Alfa-Laval Agri AB and Behring Diagnostics, Inc. have
        been dismissed.  The appeal by Deloitte remains pending before the
        United States District Court for the District of Massachusetts
        (No. 96-40192-NMG).  Deloitte contests the right of counsel to
        Class 5 Claimants to bring an action against Deloitte on behalf of
        CBC as provided in the Plan.  Finally, an appeal taken by Institut
        Pasteur and Pasteur Sanofi Diagnostics (collectively, "Pasteur")
        was dismissed and the confirmation affirmed, by the First Circuit
        Court of Appeals by order dated January 17, 1997.  Pasteur has
        until April 17, 1997 to file a writ of certiorari with the Supreme
        Court of the United States appealing the First Circuit Court of
        Appeals' decision.  Although the Company is not a party to this
        litigation, a successful appeal could have an adverse effect on
        the Company's continuing operations if the appellate court were to
        disrupt the transactions consummated pursuant to the Plan.

        In July of 1994, the Securities and Exchange Commission ("SEC")
        issued an Order Directing Private Investigation (In the matter of
        Cambridge Biotech Corporation, United States of America Before the
        Securities and Exchange Commission, File No. B-1238),
        investigating matters pertaining to CBC's financial statements,
        its public filings, and its offerings of its securities.  The
        investigation concluded on or about October 17, 1996 with the
        issuance by the SEC of an "Order Instituting Proceedings pursuant
        to  8A of the Securities Act of 1933 and  21C of the Exchange Act
        of 1934 Making Findings and Imposing a Cease and Desist Order".
        CBC consented to the issuance of the order, without admitting or
        denying any wrongdoing, that it cease and desist from committing
        or causing any violation of the anti-fraud, corporate reporting,
        and books and records provisions of the federal securities laws.
        The SEC takes the position that this order is binding on both CBC
        and the Company.  

        In 1995, CBC received a subpoena issued by the United States
        District Court, District of Massachusetts for documents to be
        presented to the Grand Jury.  The Company believes the
        investigation was focusing on matters similar to the investigation
        of the SEC.  CBC cooperated in the investigation and was informed
        informally by the U.S. Attorney's Office that it was not a target
        of the investigation.  The Company believes it is not a target of
        any current investigation.

        In May 1995, a former employee of CBC filed a complaint against
        CBC with the City of Rockville, Maryland Human Rights Commission,
        claiming wrongful termination (Human Rights Commission on the
        Complaint of Paul R. Shackelford against Cambridge Biotech
        Corporation, Complaint No. 95-15-ER).  The Company was informed by
        letter dated January 28, 1997 from the State of Maryland
        Commission on Human Relations that the complaint had been
        administratively closed because a pre-determination settlement
        agreement had been executed in accordance with the Maryland
        Commission on Human Relations' rules and procedures. 

        CBC filed an appeal in the United States District Court for the
        District of Massachusetts, Civil Action No. 96-40219-NMG of the
        Bankruptcy Court's order entered on October 21, 1996 relating to
        the calculation of the cure amount due to Hugh V. Cottingham
        ("Cottingham") in connection with CBC's assumption of a certain
        License Agreement.  Cottingham filed a cross-appeal.  CBC and
        Cottingham have agreed to settle the dispute and dismiss the
        appeal and cross-appeal, and have filed a Joint Motion for Order
        Authorizing and Approving Stipulation of Dismissal and proposed
        Stipulation of Dismissal.  

        On January 14, 1997, the Company commenced an adversary proceeding
        (No. 97-4011) in the United States Bankruptcy Court for the
        District of Massachusetts, in connection with the Chapter 11 case
        of CBC, against the State of Maryland, Louis Goldstein as
        Comptroller of the Treasury of the State of Maryland, Montgomery
        County, Maryland and Molly Q. Ruhl, the Clerk of the Circuit Court
        of Montgomery County.  In the adversary proceeding, the Company
        seeks, among other things, (1) a declaration that the payment of
        certain mortgage recordation taxes by the Company, in connection
        with the recordation of a deed of trust under the terms of the
        Plan of CBC, violated the Bankruptcy Court's order confirming the
        Plan and the provisions of the United States Bankruptcy Code
        exempting the Company from the payment of such taxes, and (2) the
        recovery of such tax payments.  The Bankruptcy Court has scheduled
        for April 8, 1997 a hearing on the motions to dismiss filed by the
        defendants.


        Item 4.   SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS.

        No matters were submitted to security holders during the quarter
        ended December 31, 1996.


        Item 4A.  EXECUTIVE OFFICERS OF THE REGISTRANT.

        The following is a list of Executive Officers of the Company,
        their ages, positions, offices and business experience, as of
        March 1, 1997:

             Alison Taunton-Rigby, Ph.D., 52, has been President, Chief
             Executive Officer and Director since March of 1996.  Dr.
             Taunton-Rigby was President and Chief Executive Officer and a
             member of the Board of Directors of CBC from April 1995 until
             October of 1996.  From 1993 to 1994, she was President and
             Chief Executive Officer of Mitotix, Inc., a biopharmaceutical
             company.  Prior to joining Mitotix, Dr. Taunton-Rigby was
             Senior Vice President, Biotherapeutics, of Genzyme
             Corporation, where she had overall responsibility for
             Genzyme's biotherapeutics business.  Dr. Taunton-Rigby is a
             member of the Board of Directors of BIO, the national trade
             organization, where she is also Chair of the Emerging
             Companies section.  She is also a member of the Board of
             Directors and a past President of the Massachusetts Biotech
             Council, the trade organization representing Massachusetts
             biotechnology companies.  Dr. Taunton-Rigby received her
             doctorate in Chemistry from the University of Bristol in
             England, and is a graduate of the Advanced Management Program
             of the Harvard Business School.  She is a director of the CML
             Group, a specialty retailer, and of Synaptic Pharmaceutical
             Corporation.  She is also a member of the Bentley College
             Ethics Board.

             Gerald A. Beltz, Ph.D., 45, is Vice President of Research and
             Development of the Company.  Dr. Beltz served as Vice
             President of Research and Development of CBC from 1993 to
             1996.  For ten years prior to assuming these positions, Dr.
             Beltz held various scientific positions with CBC.  Dr. Beltz
             was responsible for the initial development of CBC's FeLV
             feline leukemia vaccine and HIV-1 diagnostic assays, and is
             the lead inventor on the patents covering these products.
             Dr. Beltz received his B.S. from Beloit College, his M.A. and
             Ph.D. from Princeton University, and did his post-doctoral
             work at Harvard University.

             Stephen J. DiPalma, 38, is Vice President, Chief Financial
             Officer and Treasurer of the Company.  Mr. DiPalma served as
             Vice President, Chief Financial Officer and Treasurer of CBC
             from March 1996 to October 1996.  Before joining CBC, Mr.
             DiPalma was Chief Financial Officer and Chief Operating
             Officer of the Picker Institute, an affiliate of the Beth
             Israel Hospital, specializing in quality assessment,
             improvement and information services.  From 1988 to 1995, Mr.
             DiPalma was Chief Financial Officer of Athena Diagnostics
             Inc. (formerly Genica Pharmaceuticals Corporation), a
             biotechnology company involved in therapeutic development and
             diagnostic testing targeted at neurological disorders.  From
             1985 to 1988, Mr. DiPalma was Director of Finance of the
             Health Data Institute, a division of Baxter International
             Corporation.  Mr. DiPalma holds a B.S. from University of
             Massachusetts at Lowell and an M.B.A. from Babson College.  

             Deborah B. Grabbe, 45, is Vice President of Manufacturing
             Operations of the Company.  Ms. Grabbe served as Vice
             President of Manufacturing Operations for CBC from 1995 until
             1996.  She was Vice President of Regulatory Affairs and
             Product Quality for CBC from 1993 to 1994.  Prior to joining
             CBC in 1993, Ms. Grabbe was Director of Regulatory and
             Clinical Affairs and Director of Product Support for Behring
             Diagnostics, Inc.  From 1987 to 1988 she was Vice President
             of Operations at Biotechnica Diagnostics, Inc.  Ms. Grabbe
             holds an A.B. from Oberlin College and an M.S. from John A.
             Burns School of Medicine, University of Hawaii.  

             Robert B. Kammer, M.D., 56, is Vice President of Medical
             Affairs for the Company.  Dr. Kammer served as Vice President
             of Medical Affairs for CBC from 1993 until 1996.  From 1988
             to 1993, Dr. Kammer was employed at Schering-Plough
             Corporation as Director, Anti-Infective Clinical Research.
             Before joining Schering-Plough, Dr. Kammer worked at Lilly
             Research Laboratories.  Dr. Kammer received his B.A. and M.D.
             degrees from the University of Iowa and did his internship,
             residency and fellowship at the Medical College of Virginia.


                                     PART II    


        Item 5.   MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED
                  STOCKHOLDER MATTERS.

        Price of common stock:

                                  1996                         1995
        Quarter             High       Low                High      Low  

        1st                 $1.6250   $0.3750             $0.7500  $0.1250
        2nd                 $1.2500   $0.5000             $1.2500  $0.1870
        3rd                 $0.8125   $0.3437             $1.6250  $0.1870
        4th                 $6.7500   $3.2500             $1.5000  $0.2500


        The above prices reflect interdealer prices without retail mark-
        up, mark-down or commissions and may not necessarily represent
        actual transactions.  The prices reported for 1995 and until
        October 1996 represent bid prices for transactions of CBC stock
        reported by brokers on the "OTC Bulletin Board" and in the so
        called "pink sheets."  The prices for the last quarter of 1996 are
        the high and low bid information as quoted on the NASDAQ National
        Market System for Aquila's stock.  The prices in the fourth
        quarter of 1996 reflect the exchange of CBC shares for shares of
        the Company at a ratio of one share of the Company for each 7.569
        shares of CBC.  The high and low bid prices for CBC stock for the
        last quarter of 1996 fell within the range reported for Aquila,
        after adjustment for the exchange of shares.  The Company's stock
        was deemed registered pursuant to Rule 12g-3(a) under the
        Securities Exchange Act of 1934 on or about October 21, 1996 and
        began trading on the NASDAQ National Market System on October 24,
        1996.  




        Below are high and low prices (rounded to the nearest 1/16)
        reported as if the exchange of CBC shares for the Company's shares
        at the rate of 7.5696 shares of CBC for one share of the Company
        had occurred on January 1, 1995.

                                 1996                          1995
        Quarter             High       Low               High        Low  

        1st                 $12.3125  $2.8125            $ 5.6875  $0.9375
        2nd                 $ 9.4375  $3.75              $ 9.4375  $1.4375
        3rd                 $ 6.125   $2.625             $12.3125  $1.4375
        4th                 $ 6.75    $3.25              $11.375   $1.875

        As of March 25, 1997, there were approximately 5,445 shareholders
        of record of the Company's common stock.


        Item 6.   SELECTED FINANCIAL DATA     
- -------------------------------
                        
                        Aquila Biopharmaceuticals, Inc.
             For the years ended December 31, 1996, 1995 and 1994

                                        
                                        1996           1995          1994
                                        ----           ----          ----
Year ended December 31:
- -----------------------
  Net Sales                          $6,573,112     $5,727,716     $5,009,922
                                     ===========   =============  ============

  Loss from continuing operations   ($1,110,146)    (5,164,876)  ($11,608,156)

  Loss from continuing operations
    per share:

        Primary                          ($0.29)        ($1.50)        ($3.40)
                                     ===========   =============  ============


  Cash dividends declared per             $0.00           $0.00         $0.00
    share                            ===========   =============  ============

At year end:
- -----------

  Total Assets
                                    $26,312,350     $23,044,579   $28,502,670
                                    ===========   =============  ============

  Long term notes payable            $4,055,564              $0            $0
                                    -----------   ------------   ------------- 

  Total long term obligations         4,055,564              $0            $0
                                     ===========   =============  ============





        ITEM 7.   MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
                  CONDITION AND RESULTS OF OPERATIONS.

        General

        Aquila is the successor to the biopharmaceutical business of CBC
        pursuant to the terms of the Plan and is the successor to CBC
        under the Securities Exchange Act of 1934 and Rule 12g-3(a)
        thereunder. 

        Results of Operations

        The Statement of Operations presents Aquila's results from
        operations exclusive of diagnostic activities, which are presented
        as Discontinued Operations in the statement.  Revenues, costs,
        expenses and other items reflect the results of Aquila's
        biopharmaceutical business and administrative functions only, as
        more fully described below.

        Revenues

        Total revenues were $6,573,000 in 1996, or 15% higher than in
        1995.  Total revenues of $5,728,000 in 1995 increased 14% versus
        1994 total revenues of $5,010,000.

        Product sales were $1,398,000 and $591,000, in 1996 and 1995
        respectively, an increase of 137%.  Product sales in 1995 were 13%
        lower than in 1994.  The increase in product sales in 1996
        compared with 1995 was due primarily to increased sales of certain
        animal health products to Virbac S.A. and payments received for
        materials provided by the Company to corporate partners.  Sales of
        the animal health products in 1995 were negatively impacted by
        production problems during that year.  In 1996, animal health
        product sales reflect increased volume to compensate for
        diminished supply in 1995.  

        Research and development ("R&D") revenues of $5,176,000 in 1996
        represented a small increase compared to $5,137,000 in 1995.  R&D
        revenues in 1995 were 19% higher than in 1994.  The majority of
        these revenues were generated from license agreements and the
        remainder were generated from funded research agreements.  The
        Company recognized $3,500,000 in both 1996 and 1995 and $3,000,000
        in 1994 in revenue representing installments of a license fee
        under an agreement with SmithKline Beecham p.l.c. ("SKB") which
        allows SKB to use the Company's proprietary StimulonTM adjuvant
        ("QS21") in numerous vaccines.  Income from this agreement
        represented 53%, 61% and 60% of the Company's total revenue in
        1996, 1995 and 1994, respectively.  A final $3,000,000 installment
        of the license fee is payable by SKB in January of 1998 in order
        for SKB to maintain access to all the technology under the
        agreement.  The Company also recognized $1,920,000 in revenue from
        its collaboration with Virbac S.A. on the development of a vaccine
        for bovine mastitis for the three years from 1994 to 1996. 

        No royalty revenue has been reported in any period presented.
        Although the Company did receive royalty payments under certain
        license agreements during each year presented, the underlying
        technology which is the subject of those agreements is primarily
        diagnostic.  Therefore, royalty revenue derived from these
        agreements is not considered to be central to Aquila's ongoing
        business and is reported as Other Income. 

        Costs and Expenses

        Cost of products sold as a percentage of product sales was 134%,
        185% and 195% in 1996, 1995 and 1994, respectively.  The decrease
        in 1996 from 1995 is primarily due to the increase in product
        sales in 1996 compared to 1995.  Despite the volume increase, cost
        of products sold continued to exceed product sales in 1996 due to
        unfavorable pricing.  In early 1997, management was successful in
        negotiating higher prices for certain of the Company's animal
        health products.  

        Research and development expenses were $4,839,000 in 1996 and
        $5,697,000 in 1995, a decrease of 15%.  R&D expenses in 1995
        increased 12% over 1994 expenses of $5,068,000.  The decrease in
        1996 is attributable to expenses recognized in 1995 related to a
        milestone obligation on certain technology licensed by the
        Company, which expense did not recur in 1996, and to a reduction
        in personnel-related expenses.

        General and administrative expenses ("G&A") were $5,027,000 in
        1996 and $5,455,000 in 1995, a decrease of 8%.  1995 G&A expenses
        were 23% lower than in 1994.  This decrease in 1996 is due
        primarily to a reduction in personnel-related expenses. 




        Other Income, Net

        The Company recognized other income, net of $5,777,000 in 1996,
        compared to $2,162,000 in 1995 and $360,000 in 1994.  This
        increase in 1996 is due to income recognized related to the
        receipt of a paid-up license fee of $3,250,000 from a third party
        and a $500,000 payment received in exchange for the Company's
        interest in a joint venture.  Both of these payments were
        nonrecurring transactions.  

        As discussed above, other income, net includes royalty income in
        all periods presented.  Royalty income, net of royalty expense,
        was $1,395,000, $1,582,000 and $832,000 in 1996, 1995 and 1994,
        respectively. 

        Reorganization Items

        The Company incurred expenses of $2,109,000, $1,200,000 and
        $611,000 in 1996, 1995 and 1994, respectively, for professional
        fees related to the bankruptcy process and the consummation of the
        Plan.  The increase in 1996 was due to expenses related to the
        consummation of the Plan.

        The Company considers all cash up to the amount of liabilities
        subject to Chapter 11 proceedings, which were approximately $9.9
        million at December 31, 1995, to be cash accumulated as a result
        of Chapter 11.  Interest earned on cash accumulated as a result of
        Chapter 11 was $394,000, $387,000 and $100,000 in 1996, 1995 and
        1994, respectively. 

        Discontinued Operations

        On June 24, 1996, the Company sold the assets of the enterics
        diagnostic business to Meridian Diagnostics, Inc. for
        approximately $5,700,000 in cash and other considerations.  The
        results of operations of the enterics business are reported as
        discontinued operations and prior periods have been restated to
        reflect that presentation and the disposal of that business.
        Income from discontinued enterics operations was $552,000,
        $426,000 and $259,000 in 1996, 1995 and 1994, respectively.  A
        gain on disposal of the enterics business of $5,218,000 was
        recorded in 1996.

        On October 22, 1996, the Company sold its retroviral diagnostic
        business to bioMerieux for $6,500,000.  The results of operations
        of the retroviral business are reported as discontinued operations
        and prior periods have been restated to reflect that presentation
        and the disposal of that business.  Income from discontinued
        retroviral operations was $901,000 in 1996 compared to losses from
        discontinued retroviral operations of $203,000 and $1,183,000 in
        1995 and 1994, respectively.  A gain on disposal of the retroviral
        business of $2,439,000 was recorded in 1996.




        On July 21, 1994 the Company's wholly-owned Irish subsidiary, CBL,
        filed for protection of the Irish high Court and an Examiner was
        appointed pursuant to the Irish Companies Act of 1990.  The
        appointment of the Examiner and the doubtful recovery of the
        Company's investment in CBL led the Company to conclude the
        measurement date to be July 21, 1994 under APB 30.  Consequently
        the accompanying financial statements for 1994 include a loss of
        $2,129,000 from the discontinued operations.  Net revenue from
        discontinued CBL operations were $1,952,000 for the period prior
        to disposal.  On November 30, 1994 the company sold its interest
        in CBL to SelfCare, Inc.  Total consideration for the transaction
        was $2.1 million.  The Company recorded a loss on disposal of
        $6,963,000.

        Extraordinary Loss on Reorganization

        A loss on all transactions related to the consummation of the Plan
        of $2,040,000 was recorded in 1996.  This loss resulted primarily
        from the settlement of the class action lawsuit partially offset
        by the forgiveness of liabilities in the bankruptcy case.

        Net Income (Loss)

        The Company had a loss from continuing operations of $1,110,000,
        or $.29 per share, $5,165,000, or $1.50 per share, and
        $11,608,000, or $3.40 per share, in 1996, 1995 and 1994,
        respectively.  The Company had income of $5,960,000, or $1.57 per
        share, in 1996 and losses of $4,942,000, or $1.44 per share, and
        $22,276,000, or $6.52 per share, in 1995 and 1994, respectively,
        including income or loss from discontinued operations, gain or
        loss on the disposal of discontinued operations and the
        extraordinary loss on consummation.

        In 1996, the Company adopted Statement of Financial Accounting
        Standards No. 123 ("SFAS 123").  SFAS 123 requires that companies
        either recognize compensation expense for grants of stock, stock
        options and other equity instruments based on fair value, or
        provide pro forma disclosure of net income and earnings per share
        in the notes to the financial statements.  The Company adopted the
        disclosure provisions of SFAS 123 in 1996 and has applied APB 25
        and related interpretations in accounting for its plans.

        In February, 1997, the Financial Accounting Standards Board issued
        Statement of Financial Accounting Standards No. 128 ("SFAS 128").
        Earnings Per Share.  SFAS 128 specifies the computation,
        presentation and disclosure requirements for Earnings Per Share
        ("EPS").  This statement will be effective for fiscal year 1997
        and will require restatement of all prior period EPS data
        presented.  The Company has not yet determined the financial
        impact of adopting this statement.




        Liquidity and Capital Resources

        The ability of Aquila to fund its long term operations is
        dependent upon several factors, including the Company's ability to
        attract funding through additional public or private financing or
        by establishing corporate partnerships and collaborative
        arrangements.  There can be no assurance that such additional
        funding can be obtained on acceptable terms.

        Operating activities used $1,025,000, $880,000 and $3,095,000 of
        cash in 1996, 1995 and 1994, respectively.  The 1996 net income of
        $5,960,000 includes approximately $7,423,000 in gain on
        sale of discontinued operations, a loss on the consummation
        of the Plan of $2,040,000, and non-cash depreciation and
        amortization of $3,448,000.  In 1995, the net loss of $4,942,000
        included $4,737,000 of non-cash depreciation and amortization.  In
        1994 the net loss of $22,276,000 included a loss on disposal of
        discontinued operations of $7,482,000, and non-cash depreciation
        and amortization of $4,282,000. 

        In 1996, the Company reduced inventories and accounts receivable
        by $1,263,000, and $348,000, respectively.  By comparison,
        inventories increased by $402,000 and accounts receivable
        decreased by $143,000 in 1995.  In 1996, accounts payable and
        other accrued expenses decreased by $1,034,000, primarily due to
        payments made against post-petition administrative claims pursuant
        to the consummation of the Plan.  Cash used to satisfy pre-
        petition Chapter 11 liabilities under the Plan was $3,757,000.
        Deferred revenue also decreased, due primarily to the recognition
        of revenue related to the Company's collaboration with Virbac on
        the development of a vaccine for bovine mastitis.  The primary
        reason for the reduction in deferred revenue in 1995 was the
        $3,500,000 license fee received in December, 1994 and earned
        during 1995.

        Accounts payable and other liabilities increased by $3,349,000 and
        $2,074,000 in 1995 and 1994, respectively.  The 1995 increase was
        due primarily to the patent related milestone obligation
        previously mentioned, employee retention bonus plan and timing of
        payments.  The 1994 increase was primarily due to postponed
        payments due to a cash shortage prior to filing for Chapter 11,
        employee retention bonus plan and professional fees incurred due
        to the Company's filing for Chapter 11. 

        Investing activities generated $3,306,000 in 1996, due primarily
        to the receipt of proceeds from the sales of the enterics and
        retroviral diagnostic businesses.  In 1995, by comparison,
        investing activities used $798,000, primarily related to the
        purchase of property, plant and equipment and additions to Patent
        and Purchased Technology assets.  In 1994 investing activities
        generated $5,262,000, due primarily to the proceeds from the sale
        of the Company's Irish subsidiary, the proceeds from the
        collection of a note receivable and the sale of marketable
        securities.




        During 1994, the Company's financing activities generated
        $5,455,000 due primarily to the stock issued from the January 1994
        shelf offering.

        Cash and cash equivalents were $9,112,000 at December 31, 1996,
        compared to $6,856,000 at December 31, 1995 and $8,538,000 at
        December 31, 1994.  The increase in 1996 results primarily from
        the sales of the enterics and retroviral diagnostic businesses and
        the receipt of a paid-up license fee from a sub-licensee of
        certain diagnostic technology.  Total cash, cash equivalents and
        marketable securities were $17,675,000 at December 31, 1996.

        The Company currently occupies an office, research and
        manufacturing facility in Worcester, Massachusetts under a lease
        which expires on December 31, 1997.  The Company expects that
        relocation to another facility will be necessary.  Given the
        nature of Aquila's research and manufacturing activities and the
        specialized space required to support those activities, it is
        expected that the Company will be required to make capital
        expenditures to improve the new facility and to acquire new
        systems and equipment related to the new facility.  While an
        accurate estimate cannot be made at this time, it is possible that
        these expenditures could be substantial.

        Aquila's discussions as to management's plans and objectives for
        Aquila's business after the date hereof are forward looking
        statements which involve a number of risks and uncertainties.
        Actual results may differ materially from those projected by
        Aquila.  The following factors, among others, could effect the
        Company's actual results:  general economic conditions; risks in
        product and technology development; delays and difficulties in the
        regulatory approval process; difficulties in obtaining raw
        materials and supplies for the Company's products; failure of
        corporate partners to commercialize successfully products using
        the Company's technology; competition from other companies; the
        costs of acquiring additional technology; failure to obtain the
        funding necessary for the Company's planned activities; and other
        risks and uncertainties identified in this report on Form 10-K and
        in Aquila's Security and Exchange Commission filings and the
        exhibits thereto.  


        Item 8.   FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA.

        The financial statements filed as part of this Annual Report on
        Form 10-K are listed under Item 14 below.

        Item 9.   CHANGES AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING
                  AND FINANCIAL DISCLOSURE.

                  None.




                                     PART III    


        Item 10.  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT.

             Incorporated by reference to the Company's definitive proxy
        statement, "Proposals 1 and 2, Election of Directors", to be filed
        pursuant to Regulation 14A, in connection with the 1997 Annual
        Meeting of Shareholders.  Information concerning executive
        officers of the Registrant is included in Part I of this Report as
        Item 4A - Executive Officers of the Registrant.


        Item 11.  EXECUTIVE COMPENSATION.

             Incorporated by reference to the Company's definitive proxy
        statement, "Proposals 1 and 2, Election of Directors - Executive
        Compensation", to be filed pursuant to Regulation 14A, in
        connection with the 1997 Annual Meeting of Shareholders.


        Item 12.  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND
                  MANAGEMENT.

             Incorporated by reference to the Company's definitive proxy
        statement, "Proposals 1 and 2, Election of Directors - Security
        Ownership of Certain Beneficial Owners and Management", to be
        filed pursuant to Regulation 14A in connection with the 1997
        Annual Meeting of Shareholders.


        Item 13.  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS.

             Incorporated by reference to the Company's definitive proxy
        statement, "Proposals 1 and 2, Election of Directors", to be filed
        pursuant to Regulation 14A in connection with the 1997 Annual
        Meeting of Shareholders.


                                      PART IV


        Item 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON
                  FORM 8-K.

             (a)  1.   Financial Statements.

                  The following documents are filed as part of this
        report:

                  i.   Report of Independent Auditors.

                  ii.  Statement of Operations for each of
        the three years in the period ended December 31, 1996.

                  iii. Balance Sheets at December 31, 1996
        and 1995.

                  iv.  Statement of Cash Flows for each of
        the three years in the period ended December 31, 1996.

                  v.   Statement of Shareholders' Equity for
        each of the three years in the period ended December 31, 1996.

                  vi.  Notes to Financial Statements for the
        years ended December 31, 1996 and 1995.

             (a)  2.   Financial Statement Schedules.

                  None.

             (a)  3.   Exhibits.

                  2.      Confirmed Reorganization Plan (consisting of
        Reorganization Plan, dated May 20, 1996, and modification date of
        July 15, 1996) (incorporated by reference to Exhibit 2 to current
        report on Form 8-K, dated July 18, 1996, File No. 0-12081).

                  3.1     Amended and Restated Certificate of
        Incorporation, effective July 25, 1996 (incorporated by reference
        to Exhibit 2 to Form 8-K, dated July 18, 1996, File No. 0-12081).

                 o3.2    Certificate of Amendment of Amended and Restated
        Certificate of Incorporation, effective March 24, 1997 (a complete
        copy of the Amended and Restated Certificate of Incorporation, as
        amended, is filed herewith).

                  3.3     By-laws (incorporated by reference to Exhibit 2
        to Form 8-K, dated July 18, 1996, File No. 0-12081).

                  4.1     Specimen Certificate representing common stock
        of the Company (incorporated by reference to Exhibit 4.1 to Form
        8-K, dated October 21, 1996, File No. 0-12081).

                  4.5     Long Term Debt.  No instrument which defines the
        rights of holders of long term debt of the Company is filed
        herewith.  The Company hereby agrees to furnish a copy of any such
        instrument to the SEC upon request.

                  *10.1   Contract Research and License Agreement with
        Virbac Laboratories, S.A. dated July 6, 1983 (incorporated by
        reference to Exhibit 10.31 to Annual Report on Form 10-K for
        fiscal year ended December 31, 1983, File No. 0-12081).

                  *10.1.1 Amendment to Agreement with Virbac Laboratories,
        S.A. (incorporated by reference to Exhibit 10.10.1 to Annual
        Report on Form 10-K for fiscal year ended December 31, 1988, File
        No. 0-12081).




                  *10.2   Lease for Worcester Massachusetts facility
        (incorporated by reference to Exhibit 10.13 to Annual Report on
        Form 10-K for fiscal year ended December 31, 1986, File No. 
        0-12081).

                  10.2.1  Amendment to Lease Agreement for Worcester
        Massachusetts facility (incorporated by reference to Exhibit 10.18
        to Annual Report on Form 10-K for fiscal year ended December 31,
        1992, File No. 0-12801).

                  *10.3   License, Development and Supply Agreement with
        SmithKline Beecham, p.l.c., dated as of September 11, 1992, as
        amended by Agreement dated as of March 31, 1993 (incorporated by
        reference to Exhibit 10.17 to Annual Report of Form 10-K for
        fiscal year ended December 31, 1992, File No. 0-12081).

                  tm10.4  Employment Agreement with Alison Taunton-Rigby,
        dated April 6, 1995 (incorporated by reference to Exhibit 10.17 to
        Annual Report on Form 10-K for fiscal year ended December 31,
        1995, File No. 0-12081).

                  tm10.5  Employment Agreement with Gerald A. Beltz, dated
        August 21, 1995 (incorporated by reference to Exhibit 10.18 to
        Annual Report on Form 10-K for fiscal year ended December 31,
        1995, File No. 0-12081).

                  tm10.6  Employment Agreement with Deborah Blackburn
        Grabbe, dated August 21, 1995 (incorporated by reference to
        Exhibit 10.19 to Annual Report on Form 10-K for fiscal year ended
        December 31, 1995, File No. 0-12081).

                  tm10.7  Employment Agreement with Robert B. Kammer,
        dated August 21, 1995 (incorporated by reference to Exhibit 10.20
        to Annual Report on Form 10-K for fiscal year ended December 31,
        1995, File No. 0-12081).

                  tm o10.8 Employment Agreement with Stephen J. DiPalma,
        dated March 1, 1996.

                  10.9    Master Acquisition Agreement by and among
        bioMerieux Vitek, Inc., Aquila Biopharmaceuticals, Inc. and
        Cambridge Biotech Corporation, dated as of April 4, 1996
        (incorporated by reference to Exhibit 10.1 to quarterly report on
        Form 10-Q for quarter ended June 30, 1996, File No. 
        0-12081).

                  10.10   Asset Purchase Agreement between Meridian
        Diagnostics, Inc. and Cambridge Biotech Corporation, dated as of
        June 24, 1996 (incorporated by reference to Exhibit 2.1 to current
        report on Form 8-K, dated June 24, 1996, File No. 0-12081).

                 o10.11  Lease Agreement with bioMerieux Vitek, Inc.
        dated October 22, 1996 for premises located at 1500 East Gude
        Drive and 3  Taft Court, Rockville, Maryland.

                 o10.12  1996 Stock Award and Option Plan.

                 o10.13  1996 Directors Stock Award and Option Plan.

                 o10.14  1996 Employee Stock Purchase Plan.

                 o11.    Computation of Earnings Per Share.

                 o27.    Financial Data Schedule.

             (b)  Reports on Form 8-K filed in the last quarter of 1996.

                  1.      Current report on Form 8-K, dated October 21,
        1996.



        _____________________

        o    Filed herewith as part of this Annual Report on Form 10-K.

        *    Confidential treatment previously granted.

        tm   Management contract or compensatory plan.	

        Report of Independent Accountants

        We have audited the accompanying balance sheets of Aquila
        Biopharmaceuticals, Inc. as of December 31, 1996 and 1995, and the
        related statements of operations, cash flows and stockholders' equity
        for each of the three years in the period ended December 31, 1996.
        These financial statements are the responsibility of the Company's
        management.  Our responsibility is to express an opinion on these
        financial statements based on our audits.

        We conducted our audits in accordance with generally accepted auditing
        standards. Those standards require that we plan and perform the audit
        to obtain reasonable assurance about whether the financial statements
        are free of material misstatement.  An audit includes examining, on a
        test basis, evidence supporting the amounts and disclosures in the
        financial statements.  An audit also includes assessing the accounting
        principles used and significant estimates made by management, as well
        as evaluating the overall financial statement presentation.  We believe
        that our audit provides a reasonable basis for our opinion.

        In our opinion, the financial statements referred to above present
        fairly, in all material respects, the financial position of Aquila
        Biopharmaceuticals, Inc. as of December 31, 1996 and 1995, and the
        results of its operations and its cash flows for each of the three
        years in the period ended December 31, 1996 in conformity with
        generally accepted accounting principles.

                                            /s/
                                            Coopers & Lybrand L.L.P.
        Boston, Massachusetts
        March 7, 1997


Aquila Biopharmaceuticals, Inc.
	Statements of Operations
	For the Years Ended December 31, 1996, 1995 and 1994


Revenue:                                                 1996             1995
        Product sales                              $1,397,597          590,859
        Research and development                    5,175,515        5,136,857
                                                    _________        _________
                                                    6,573,112        5,727,716
Cost and expenses:
        Cost of sales                               1,879,206        1,090,408
        Research and development                    4,839,116        5,696,964
        General and administrative                  5,027,190        5,454,835
        Loss on impairment of assets                        0                0
          (Notes 7 and 8)                          __________       __________
                                                   11,745,512       12,242,207


Other income, net (Note 14)                         5,777,032        2,162,396

Income/(Loss) from continuing operations before
 reorganization items and income tax benefit          604,632       (4,352,095)

Reorganization items (Note 1):
        Professional fees                          (2,109,050)      (1,200,188)
        Provision for rejected executory contracts          0                0
	Interest earned on accumulated cash
          resulting from Chapter 11 proceedings       394,272          387,407

        Total reorganization items                 (1,714,778)        (812,781)
                                                  ___________        _________
Loss from continuing operations before            
 income tax benefit                                (1,110,146)      (5,164,876)

Income tax (expense)/benefit (Note 13)                      0                0
                                                    _________        _________
Loss from continuing operations                    (1,110,146)      (5,164,876)

Discontinued operations (Note 3):
        Income/(Loss) from operations               1,452,810          223,330
        Gain/(Loss) on disposal                     7,656,683                0
                                                    _________        _________
Income/(Loss) before extraordinary loss             7,999,347       (4,941,546)

Extraordinary loss on Reorganization (Note 12)     (2,039,816)               0
                                                    _________        _________
Net Income/(Loss)                                  $5,959,531      ($4,941,546)

Net income/(loss) per weighted average number
  of common shares:
        Continuing operations                          ($0.29)          ($1.50)
        Discontinued operations                         $2.40            $0.06
        Extraordinary loss on Reorganization           ($0.54)           $0.00

Net Income/(Loss) per share                             $1.57           ($1.44)

Weighted average number of 
  common shares outstanding                         3,803,247        3,442,305

	Aquila Biopharmaceuticals, Inc.
	Statements of Operations
	For the Years Ended December 31, 1996, 1995 and 1994

Revenue:                                                1994
        Product sales                               $675,725
        Research and development                   4,334,197
                                                   _________
                                                   5,009,922
Cost and expenses:
        Cost of sales                              1,317,850
        Research and development                   5,068,244
        General and administrative                 7,051,194
	Loss on impairment of assets
          (Notes 7 and 8)                          2,879,707
                                                   _________
                                                  16,316,995

Other income, net (Note 14)                          359,796

Income/(Loss) from continuing operations before
 reorganization items and income tax benefit     (10,947,277)

Reorganization items (Note 1):
        Professional fees                           (610,832)
        Provision for rejected executory contracts  (357,501)
	Interest earned on accumulated cash
          resulting from Chapter 11 proceedings       99,579
                                                   _________
        Total reorganization items                  (868,754)

Loss from continuing operations before           ___________
 income tax benefit                              (11,816,031)

Income tax (expense)/benefit (Note 13)               207,875
                                                ____________
Loss from continuing operations                  (11,608,156)

Discontinued operations (Note 3):
        Income/(Loss) from operations             (3,186,400)
        Gain/(Loss) on disposal                   (7,481,710)
                                                  __________
Income/(Loss) before extraordinary loss          (22,276,266)

Extraordinary loss on Reorganization (Note 12)             0
                                                 ___________
Net Income/(Loss)                               ($22,276,266)

Net income/(loss) per weighted average number
  of common shares:
        Continuing operations                         ($3.40)
        Discontinued operations                       ($3.12)
        Extraordinary loss on Reorganization           $0.00
                                                      ______
Net Income/(Loss) per share                           ($6.52)

Weighted average number of                         3,416,100
  common shares outstanding





  The accompanying notes are an integral part of the financial statements.



	Aquila Biopharmaceuticals, Inc
	Balance Sheets
	As of December 31, 1996 and 1995

                                                         1996             1995
Assets                                                                    
Current Assets:                                                           
        Cash and cash equivalents                   9,112,091        6,855,751
        Marketable securities
          (Notes 2 and 4)                           8,562,730          216,162
        Accounts receivable - trade
          (less allowance for
          doubtful accounts of $178,565 and
          $160,000, respectively)                   1,545,612        2,638,024
        Other receivables                             820,307          125,831
        Inventories (Note 5)                          451,074        4,367,831
        Prepaid expenses and other current assets     778,927          695,455
                                                   __________       __________
                Total current assets               21,270,741       14,899,054

Investments (Note 6)                                  394,500                0

Property, Plant, and Equipment, Net (Note 7)        4,308,457        6,985,523

Patents and Purchased Technology, Net (Note 8)        295,620        1,054,579

Other Assets                                           43,032          105,423
                                                   __________       __________
Total Assets                                       26,312,350       23,044,579  

Liabilities & Shareholders' Equity

Current Liabilities:
        Accounts payable                              943,924          850,480
        Accrued royalties                             642,959        1,192,169
        Accrued professional fees                     383,557          753,244
        Accrued incentive compensation (Note 16)            0        1,457,622
        Other accrued expenses (Note 9)             2,097,326        2,258,196
        Deferred revenue (Note 18)                    917,600          410,739
        Current maturities of long-term debt
          (Note 10)                                   129,103                0
                                                   __________        _________
                Total Current Liabilities           5,114,469        6,922,450

Deferred Revenue (Note 6)                             225,000        2,287,315
                                                                          
Long Term Debt (Note 10)                            4,055,564                0

Liabilities Subject To Chapter 11 Proceedings
  (Note 11)                                                 0        9,880,309
                                                    _________        _________

Total Liabilities                                   9,395,033       19,090,074

Minority Interest                                           0            8,989

Commitments and Contingencies (Note 15)

Shareholders' Equity (Note 16):
	Preferred stock, authorized:
          5,000,000 in 1996 and 1995 none issued             -              -
	Common stock, par value: $.01 per share,
          authorized: 30,500,000 and 40,000,000
          shares in 1996 and 1995, respectively
          issued:  5,000,000 and 26,057,006 shares
          in 1996 and 1995, respectively                 50,000        260,570
        Additional paid in capital                  127,514,223    120,382,104
        Unearned compensation                                 0       (138,088)
        Treasury stock at cost: 10,526 shares           (47,367)             0
        Accumulated deficit                        (110,599,539)  (116,559,070)

Total Shareholders' Equity                           16,917,317      3,945,516

Total Liabilities and Shareholders' Equity          $26,312,350    $23,044,579



   The accompanying notes are an integral part of the financial statements.


                        Aquila Biopharmaceuticals, Inc.
                            Statement of Cash Flows
                  For the years ended December 31, 1996 and 1995
                                                   

                                                   1996            1995
                                                   ----            ----
Cash Flows From Operating Activities:              
                                                
Net Income/(Loss)                               $5,959,531     ($4,941,546)
Adjustments to reconcile net income/(loss)
 to net cash used in operating activities:
    Depreciation and amortization                3,448,192       4,736,689
    Provision for doubtful accounts                 50,000          61,065
    Non cash compensation expense                   50,000         219,381 
    Loss on sale of property, plant and
      equipment                                        ---             ---
    Loss from impairment of assets                     ---             ---
    Gain on sale of discontinued 
      businesses                                (7,423,020)            ---
    Loss from bankruptcy consummation            2,039,816             ---
    Receipt of investments                        (169,500)       (216,162) 
    Loss on disposition and write down
      of investments                                11,164         110,586
    Changes in assets and liabilities,
      net of effects of disposed
      businesses:
    Accounts and other receivables                 347,936         143,316
    Inventories                                  1,262,592        (402,163)
    Deferred revenue                            (1,780,454)      (4,090,520)
    Prepaid and other current assets               (83,472)        140,830
    Accounts payable and other accrued
      expenses                                  (1,033,690)      3,349,347
    Settlement of liabilities subject to 
      chapter 11 proceedings                    (3,757,436)            ---
    Other noncurrent assets                         62,391             368
    Minority interest                               (8,989)          8,989
    Discontinued operations-non cash &                                         
      working capital changes                          ---             ---
                                                ------------   ------------
          Net cash used by
          operating activities                  (1,024,939)       (879,820)

Cash Flows From Investing Activities:
    Purchases of marketable securities          (8,562,730)            ---
    Proceeds from disposal of marketable         
      securities                                   204,998             ---
    Purchases of property, plant, and
      equipment                                   (309,627)       (593,551) 
    Proceeds from sale of property, plant
      and equipment                                    ---             ---
      Proceeds from collection of notes
        receivable                                     ---             ---
    Patents and purchased technology              (227,968)       (204,927)
    Proceeds from sale of discontinued
      businesses                                12,201,000             ---
    Financing activities of discontinued
      operations                                       ---             ---
                                                ------------   ------------
        Net cash (used)/provided by
          investing activities                   3,305,673        (798,478)

Cash Flows From Financing Activities:
    Issuance of common stock                           ---             ---
    Payment on long-term obligations               (24,394)         (3,742)
                                                ------------   ------------ 
        Net cash (used)/provided by                
          financing activities                     (24,394)         (3,742)
    Effect of exchange rate changes on cash
      and cash equivalents                             ---             ---

Net increase/(decrease) in cash                 ------------   ------------
  and cash equivalents                           2,256,340      (1,682,040)
                                                 
Cash and cash equivalents at the 
  beginning of the year                          6,855,751       8,537,791
                                                ------------   ------------ 
Cash and cash equivalents at the
    end of the period                           $9,112,091      $6,855,751
                                                ============   ============
Supplemental disclosures:
Income taxes paid/(refunded)                        $4,231              $0
                                                ============   ============
Interest paid                                      $98,541              $0
                                                ============   ============
Stock Received for Unearned License Fee           $225,000              $0
                                                ============   ============
Conversion of Chapter 11 liabilities into
  long term debt                                $4,021,220              $0
                                                ============   ============ 
Stock issued under incentive plan                 $503,055              $0
                                                ============   ============

Stock issued to Creditors pursuant to
  Reoganization Plan                              $881,582              $0
                                                ============   ============
Stock issued in settlement of class action
  lawsuit                                       $5,625,000              $0
                                                ============   ============
The accompanying notes are an integral part of the financial statements
- -------------------------------------------------------------------------------
                        Aquila Biopharmaceuticals, Inc.
                            Statement of Cash Flows
                     For the year ended December 31, 1994

                                                                   1994
                                                                   ----
Cash Flows From Operating Activities:              
                                                
Net Income/(Loss)                                             ($22,276,266)
Adjustments to reconcile net income/(loss)
 to net cash used in operating activities:
    Depreciation and amortization                                4,282,125
    Provision for doubtful accounts                                 46,697
    Non cash compensation expense                                  160,253 
    Loss on sale of property, plant and
      equipment                                                     60,343
    Loss from impairment of assets                               2,879,707
    Gain on sale of discontinued 
      businesses                                                 7,481,710
    Gain from discontinued operations                                  ---
    Loss from bankruptcy consummation                                  ---
    Receipt of investments                                             ---
    Loss on disposition and write down
      of investments                                               531,155
    Changes in assets and liabilities,
      net of effects of disposed
      businesses:
    Accounts and other receivables                                 974,979
    Inventories                                                  1,524,269
    Deferred revenue                                              (468,819)
    Prepaid and other current assets                              (275,089)
    Accounts payable and other accrued
      expenses                                                   2,073,972
      Settlement of liabilities subject to 
    Other noncurrent assets                                         44,261
    Minority interest                                                  ---
    Discontinued operations-non cash &                                         
      working capital changes                                     (134,235)
                                                               ------------
          Net cash used by                                       
          operating activities                                  (3,094,938)

Cash Flows From Investing Activities:
    Purchases of marketable securities                           4,139,562     
    Proceeds from disposal of marketable         
      securities                                                       ---
    Purchases of property, plant, and
      equipment                                                ( 2,118,359) 
    Proceeds from sale of property, plant
      and equipment                                                 84,750
      Proceeds from collection of notes
        receivable                                               1,000,366
    Patents and purchased technology                              (266,332)
    Proceeds from sale of discontinued
      businesses                                                 2,391,256
    Financing activities of discontinued
      operations                                                    31,152
                                                               ------------
        Net cash (used)/provided by
          investing activities                                   5,262,395

Cash Flows From Financing Activities:
    Issuance of common stock                                     6,832,513
    Payment on long-term obligations                            (1,377,449)
                                                               ------------ 
        Net cash (used)/provided by                
          financing activities                                   5,455,064
    Effect of exchange rate changes on cash
      and cash equivalents                                          31,107

Net increase/(decrease) in cash                                ------------
  and cash equivalents                                           7,653,628
                                                 
Cash and cash equivalents at the 
  beginning of the year                                            884,163
                                                               ------------ 
Cash and cash equivalents at the
    end of the period                                           $8,537,791
                                                               ============
Supplemental disclosures:
Income taxes paid/(refunded)                                     ($141,814)
                                                               ============
Interest paid                                                     $254,026
                                                               ============
Stock Received for Unearned License Fee                                 $0
                                                               ============
Conversion of Chapter 11 liabilities into
  long term debt                                                        $0
                                                               ============ 

Stock issued under incentive plan                                       $0
                                                               ============
Stock issued to creditors pursuant to 
  Reorganization Plan                                                   $0
                                                               ============
Stock issued in settlement of class action
  lawsuit                                                               $0
                                                               ============
The accompanying notes are an integral part of the financial statements

                        Aquila Biopharmaceuticals, Inc.
                       Statement of Shareholders' Equity
              For the years ended December 31, 1996, 1995 and 1994


                                                 Additional
                              Common Stock        Paid-In        Unearned
                            Shares     Amount     Capital      Compensation
                            ------     ------     --------    --------------
BALANCE,
DECEMBER 31, 1993         23,403,445  $234,034  $113,854,636    ($796,231)

Private placement of       
 common stock              2,589,100    25,891     6,609,357        ---

Stock issued for the
 employee stock purchase
 plan                         50,761       508       154,313        ---

Exercises of warrants,
 options, and other
 shares issued                13,700       137        42,307        ---

Forfeiture of discounted       ---         ---      (449,134)     449,134
 stock options

Compensation expense
 recognized                    ---         ---         ---        160,253

Net loss                       ---         ---         ---          ---

Translation adjustment         ---         ---         ---          ---
                            ---------    --------    --------    --------
BALANCE,
DECEMBER 31, 1994         26,057,006   260,570   120,211,479    (186,844)

Compensation expense
 recognized                    ---         ---       170,625      48,756

Net loss                       ---         ---         ---          ---
                          -------------------------------------------------
BALANCE,
DECEMBER 31, 1995         26,057,006   260,570   120,382,104    (138,088)
                          =================================================

Stock exchanged with
 former shareholders
 pursuant to Reorgan-                                              
 ization Plan            (22,614,701) (226,147)      226,147       ---

Stock issued in settle-
 ment of class action
 shareholder lawsuit       1,250,000    12,500     5,612,500       ---

Stock issued
 under incentive plan        111,790     1,118       501,937       ---

Stock issued to 
 creditors pursuant
 to Reorganization Plan      195,905     1,959       879,623       ---

Compensation expense
 recognized                    ---         ---        50,000       ---

Forfeiture of dis-
 counted stock options         ---         ---      (138,088)    138,088

Stock held in Treasury
 related to disputed
 Chapter 11 claim              ---         ---         ---         ---         

Net income                     ---         ---         ---         ---
                          -------------------------------------------------
BALANCE,
DECEMBER 31, 1996          5,000,000   $50,000  $127,514,223          $0
                          =================================================
The accompanying notes are an integral part of the financial statements
- -------------------------------------------------------------------------------

                        Aquila Biopharmaceuticals, Inc.
                       Statement of Shareholders' Equity
              For the years ended December 31, 1996, 1995 and 1994


                                                 Cumulative
                           Treasury              Translation        
                            Stock      Deficit   Adjustment       Total
                            ------     ------     --------    --------------

BALANCE,
DECEMBER 31, 1993            ---   ($89,341,258)  ($1,934,051)   $22,017,130   

Private placement of       
 common stock                ---        ---           ---          6,635,248

Stock issued for the
 employee stock purchase
 plan                        ---        ---           ---            154,821

Exercises of warrants,
 options, and other
 shares issued               ---        ---           ---             42,444

Forfeiture of discounted                
stock options                ---        ---           ---                  0

Compensation expense
 recognized                  ---        ---           ---            160,253
                          
Net loss                     ---    (22,276,266)      ---        (22,276,266)

Translation adjustment       ---         ---        1,934,051      1,934,051

                           --------    --------    --------      ---------
BALANCE,                                                
DECEMBER 31, 1994              0   (111,617,524)            0      8,667,681

Compensation expense
 recognized                  ---        ---           ---            219,381

Net loss                     ---     (4,941,546)      ---         (4,941,546) 
                          ---------------------------------------------------
BALANCE,
DECEMBER 31, 1995              0   (116,559,070)            0      3,945,516
                          ===================================================

Stock exchanged with
 former shareholders
 pursuant to Reorgan-                                              
 ization Plan                ---        ---           ---                  0

Stock issued in settle-
 ment of class action                                 
 shareholder lawsuit         ---        ---           ---          5,625,000

Stock issued 
 under incentive plan        ---        ---           ---            503,055

Stock issued to 
 creditors pursuant
 to Reorganization Plan      ---        ---           ---            881,582

Compensation expense
 recognized                  ---        ---           ---             50,000

Forfeiture of dis-
 counted stock options       ---        ---           ---                  0

Stock held in Treasury
 related to disputed
 Chapter 11 claim        (47,367)       ---           ---            (47,367)

Net income                   ---      5,959,531       ---          5,959,531
                          -------------------------------------------------
BALANCE,
DECEMBER 31, 1996       ($47,367) ($110,599,539)           $0    $16,917,317 
                          ==================================================
The accompanying notes are an integral part of the financial statements







                           AQUILA BIOPHARMACEUTICALS, INC.
                     NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

         1.   ORGANIZATION AND BUSINESS

         Aquila Biopharmaceuticals, Inc. (the "Company" or "Aquila") is in
         the business of developing, manufacturing and marketing products
         that modulate the immune system to control or prevent infectious
         diseases and cancer. The Company's predecessor, Cambridge Biotech
         Corporation ("CBC")  filed a petition for reorganization under
         Chapter 11 of the United States Bankruptcy Code ("Chapter 11") on
         July 7, 1994 with the United States Bankruptcy Court for the
         District of Massachusetts Western Division (the "Bankruptcy
         Court").  Aquila, organized in 1996 as a Delaware corporation,
         became a successor to CBC pursuant to the terms of a
         Reorganization Plan (the "Plan") that was confirmed by the
         Bankruptcy Court  on July 18, 1996 and consummated on October 21,
         1996.  

         2.   SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

         Principles of Consolidation - The 1996 Balance Sheet reflects
         Aquila alone; no subsidiaries or other entities are consolidated
         in the accompanying 1996 Balance Sheet. All of the Company's
         former subsidiaries, which were Biotech Research Laboratories,
         Inc., FSC ("FSC"), Cambridge Affiliated Corporation ("CAC"),
         Cambridge Biotech International Corporation ("CBIC") and Cambridge
         Biotech Ltd. ("CBL"), collectively "the subsidiaries",  were
         disposed of or dissolved by the Company during the period from
         1994 through 1996. Results of operations of the  subsidiaries are
         included in the accompanying financial statements as discontinued
         operations. The Balance Sheet at December 31, 1995 includes CBC,
         Biotech Research Laboratories, Inc., FSC, and CAC. 

         CBL's revenue and expenses from January 1, 1994 to July 21, 1994
         are reflected on the Statement of Operations as a loss from
         discontinued operations.  CBIC ceased operations in   1994 .  FSC
         is a foreign sales corporation which was dissolved by the Company
         on January 27, 1995.  The Company's 51% ownership interest in CAC
         was disposed of in October, 1996 as part of the sale of the
         Company's "Retroviral" diagnostic business. All significant
         intercompany transactions and accounts have been eliminated. (See
         Note 3).

         Nature of Operations - The Company is in the business of
         developing, manufacturing and marketing products that modulate the
         immune system to control or prevent infectious diseases and
         cancer.  The Company is subject to risks common to companies in
         the biotechnology industry including, but not limited to,
         development by the Company or its competitors of new technological
         innovations, dependence on key personnel, protection of
         proprietary technology, and compliance with FDA government
         regulations.

         Basis of Presentation - Certain prior year amounts have been
         reclassified to conform with current year presentation.


         Use of Estimates - The preparation of financial statements in
         conformity with generally accepted accounting principles requires
         management to make certain estimates and assumptions that effect
         the reported amounts of assets and liabilities and disclosure of
         contingent assets and liabilities at the date of the financial
         statements and the reported amounts of revenues and expenses
         during the reporting period.  Such estimates include, but are not
         limited to, valuation allowance against deferred tax assets and
         accounts receivable and the charge for excess space (see Note 9).
         Actual results could differ from those estimates.

         Cash and Cash Equivalents - The Company considers all highly-
         liquid debt instruments purchased with a maturity of three months
         or less to be cash equivalents.  Cash equivalents include money
         market accounts, certificates of deposit, commercial paper and
         short-term investments.

         Marketable Securities -  The Company has classified its marketable
         securities  in accordance with the Statement of Financial
         Accounting Standards No. 115 ("SFAS 115") "Accounting for Certain
         Investments in Debt and Equity Securities" . At December 31, 1996, all 
         marketable securities were commercial paper of domestic corporations 
         and were classified as "held to maturity".  At December 31, 1995, 
         the Company had classified its marketable securities as "available 
         for sale".  All marketable securities at that date represented shares
         of common stock of one insurance company which were sold during
         1996.  (See Note 4.)

         Concentrations of Credit Risk - Financial instruments that
         potentially subject the Company to concentration of credit risk
         consist primarily of cash investments and accounts receivable. The
         Company restricts cash investments to financial institutions and
         corporations with high credit standings. Credit risk on accounts
         receivable is minimized by the diverse nature of the entities from
         which accounts receivable are due. Additionally,  the Company
         maintains reserves for potential credit losses. Writeoffs for
         1996, 1995 and 1994 were $34,000, $51,000 and $929,000,
         respectively.  

         Inventories - Inventories are stated at the lower of cost (first-
         in, first-out method) or market.

         Long-Lived Assets - The Company adopted Statement of Financial
         Accounting Standards No. 121 ("SFAS 121") "Accounting for the
         Impairment of Long-Lived Assets and for Long-Lived Assets to be
         Disposed Of" in 1994. SFAS 121 requires that long-lived assets be
         reviewed for impairment by comparing the cumulative undiscounted
         cash flows from the assets with their carrying amount.  Any
         writedowns are treated as permanent reductions in the carrying
         amount of the assets.  Management's policy regarding long-lived
         assets is to evaluate the recoverability of its assets when the
         facts and circumstances suggest that these assets may be impaired.
         This analysis relies on a number of factors, including operating
         results, business plans, budgets, economic projections and changes
         in management's strategic direction or market emphasis.  The test
         of such recoverability is a comparison of the asset value to its
         expected cumulative net operating cash flow over the remaining
         life of the asset.

         Property, Plant and Equipment - Property, plant and equipment are
         recorded at cost.  However, the carrying value is included in
         management's evaluation of the recoverability of the Company's
         long-lived assets. Depreciation for financial accounting purposes
         is computed  by the straight-line method to amortize the cost of
         various classes of assets over their estimated useful lives.  The
         estimated useful lives of the assets are as follows:
                   
                                                   Useful Life
         Buildings                                      30
         Furniture, fixtures and equipment            3 - 10
         Leasehold and building improvements    Lesser of Useful Life
                                              or the Term of the Lease

         Maintenance and repairs are charged to operations as incurred,
         whereas additions and improvements are capitalized.  Gains and
         losses on the disposition of properties, if reflected in earnings
         and the related asset costs and accumulated depreciation, are
         removed from the respective accounts.

         Patents and Purchased Technology - Purchased technology related to
         the acquisition of assets is recorded at fair market value at
         acquisition date. However, the carrying value is included in
         management's evaluation of the recoverability of the Company's
         long-lived assets.   Capitalized patent costs include product
         registrations and costs incurred for the support and protection of
         existing patents.  Purchased technology and patents are amortized
         on a straight-line basis over periods ranging from three to seven
         years.

         Revenue Recognition - Revenue from product and service sales is
         recognized at the time of the product shipment or performance of
         the service.  Revenue from research and development contracts is
         deferred and recognized over the contractual periods as services
         are performed.  In addition, research agreements which have
         established payments for distinct achievements or phases are
         recorded as income is earned.  The initial fee in alliance
         agreements is recognized when a definitive agreement is reached
         and no contingent factors are present.

         Research and Development Costs - Research and development costs
         are charged to operations as incurred.<PAGE>





         Income Taxes - The Company uses the asset and liability method of
         accounting for income taxes.  Under this method, deferred tax
         assets and liabilities are recognized for the expected future tax
         consequences of temporary differences between the carrying amounts
         and the tax bases of assets and liabilities using the current
         statutory tax rates.

         Net Income/(Loss) Per Share - The net income or loss per share is
         computed based on the weighted average number of common and common
         equivalent shares (using the treasury stock method) outstanding
         during each period. Common equivalent shares are included in the
         per share calculations where the effect of their inclusion would
         be dilutive. Common equivalent shares consist of outstanding stock
         options. 

         In February, 1997, the Financial Accounting Standards Board issued
         Statement of Financial Accounting Standards No. 128 ("SFAS 128"),
         Earnings Per Share. SFAS 128 specifies the computation,
         presentation and disclosure requirements for Earnings Per Share
         ("EPS"). This statement will be effective for fiscal year 1997 and
         will require restatement of all prior period EPS data presented.
         Management has not yet determined the financial impact of adopting
         this statement.  

         3.   DISCONTINUED OPERATIONS

         During 1996, the Company disposed of two separate diagnostics
         businesses encompassing the Company's diagnostic assets and
         operations. On May 16, 1996, the Bankruptcy Court approved the
         sale of the "Enterics" business, which was subsequently sold to
         Meridian Diagnostics Inc. on  June 24, 1996 for approximately
         $5,700,000 in cash. The approval by the Bankruptcy Court led the
         Company to conclude the measurement date, under the Accounting
         Principles Board Statement No. 30 "Reporting the Results of
         Operations - Reporting the Effects of Disposal of a Segment of a
         Business, and Extraordinary, Unusual and Infrequently Occurring
         Events and Transactions"  ("APB 30"), to be May 16, 1996.
         Consequently, the accompanying financial statements include a gain
         from the disposal of the Enterics business of $5,218,000 in 1996
         and income from discontinued operations of the Enterics business
         of $552,000, $426,000 and $259,000 in 1996, 1995 and 1994,
         respectively. Net revenue from discontinued Enterics operations
         were $4,718,000, $3,880,000, and $3,571,000 in 1996, 1995 and
         1994, respectively.

         On October 22, 1996, the Company sold its Retroviral diagnostic
         business to bioMerieux Vitek Inc. for approximately $6,500,000 in
         cash pursuant to the Reorganization Plan. As the Company could not
         be assured the sale of this business would proceed until the
         consummation of the Reorganization Plan occurred, which took place
         on October 21, 1996, the Company has concluded that October 22,
         1996 is the measurement date for the disposal of the Retroviral
         business under APB 30 .  Consequently, the accompanying financial
         statements include a gain from the disposal of the Retroviral
         business of $2,439,000 in 1996, income from discontinued
         operations of the Retroviral  business of $901,000 in 1996, and
         losses from discontinued operations of the Retroviral  business of
         $203,000 and $1,183,000 in 1995 and 1994, respectively. Net
         revenue from discontinued Retroviral operations were $9,780,000,
         $16,384,000, and $12,436,000 in 1996, 1995 and 1994, respectively.

         On July 21, 1994 the Company's wholly-owned Irish subsidiary, CBL,
         filed for protection of the Irish High Court and an Examiner was
         appointed pursuant to the Irish Companies Act of 1990.  At July
         21, 1994 CBL's debt to the Company represented approximately 92%
         of CBL's total liabilities. The appointment of the Examiner and
         the doubtful recovery of the Company's investment in CBL led the
         Company to conclude the measurement date to be July 21, 1994 under
         APB 30.  Consequently the accompanying financial statements for
         1994 include a loss of $2,129,000 from the discontinued operations
         for the period January 1, 1994 through July 21, 1994.  Net revenue
         from discontinued CBL operations was $1,952,000 for the period
         prior to disposal. On November 30, 1994 the Company sold its
         interest in CBL's debt and equity to SelfCare, Inc. (a U.S.
         Corporation).  Total consideration for the transaction was
         approximately $2.1 million. The Company recorded a loss on
         disposal of  $6,963,000.

         The Company, through the acquisition of certain assets of
         Codiapharm, S.A. in November, 1991 obtained product registration
         rights and distribution contracts for the sale of products
         manufactured by CBL, the Company's Irish subsidiary.  These assets
         were  recorded by the Company's subsidiary CBIC.  Effective with
         the disposal of CBL, the Company wrote off the value of CBIC's assets, 
         and included this loss of $519,000 in the loss on disposal in 1994.

         4.   MARKETABLE SECURITIES

         Marketable securities are held at amortized cost, which
         approximates fair value, based on quoted market prices.  At
         December 31, 1996, marketable securities consisted entirely of
         corporate commercial paper with maturities between 91 and 360 days
         and  gross unrealized losses of $6,000. At  December 31, 1995,
         marketable securities consisted entirely of the common stock of
         one insurance company that the Company received when the insurance
         company demutualized. The Company sold this stock during 1996 and
         recorded a loss of $11,000 on the sale.

         5.   INVENTORIES

         Inventories consist of the following at December 31:

                                               1996         1995
                                               ----         ----
         Finished goods                    $ 260,000     $ 681,000              
         Work in process                     150,000     2,887,000
         Raw materials and supplies           41,000       800,000
                                            --------   -----------
                                            $451,000   $ 4,368,000      
                                            ========   ===========

         6.     INVESTMENTS

         During 1996, the Company received 270,000 shares of MicroGeneSys,
         Inc. stock as payment for a paid up license and for royalties due
         and payable under terms of a sublicense agreement in regard to
         certain technology.  The Company recognized revenue of $95,000
         based upon an estimated fair market value of $.35 per share.

         During 1996, the Company received 60,000 shares of restricted
         Progenics common stock as partial payment of a licensing fee,
         subject to the achievement of certain milestones under a license
         agreement executed in 1995 between the Company and Progenics.
         Based upon an estimated fair market value of $5 per share for
         Progenics common stock, the Company recorded an investment of
         $300,000 and deferred revenue of $300,000 until the milestones
         defined in the agreement are achieved.  During 1996 the Company
         recognized $75,000 of revenue upon the achievement of the first
         milestone under this agreement.  The remaining $225,000 is
         included in deferred revenue at December 31, 1996.

         At December 31, 1995, the Company owned a 19% interest in GRF
         Corporation (GRF) as part of a joint venture formed  to develop
         and market human growth hormone releasing factor (GHRF) thought to
         be beneficial in the treatment of osteoporosis and other diseases.
         The remainder of this company was beneficially owned by
         BioNebraska, Inc. and R&C Enterprises, Inc. Due to the uncertainty
         that the joint venture would be able to raise additional funding
         to support its activities, this investment had been fully written
         off at December 31, 1995.  In August, 1996, the Company sold its
         share in the joint venture to BioNebraska for $500,000 in cash,
         which was reported as Other Income in 1996.

         The Company had an investment in ImmuCell Corporation, which was
         accounted for on the cost method.  In December, 1994 the Company
         sold its interest in ImmuCell for $309,000, recognizing a $306,000
         loss.

         7.   PROPERTY, PLANT, AND EQUIPMENT

         Property, plant, and equipment consists of the following at
         December 31:                      

                                        1996             1995
                                        ----             ----
          Land                     $       0           $647,000          
          Buildings                        0          3,356,000              
          Furniture, fixtures,
            and equipment          5,985,000         13,329,000
          Leasehold and building
            improvements           5,993,000          6,780,000                
          Property leased to
            others                 5,762,000            988,000    
          Leased equipment                 0             21,000
                                   ---------         ----------
          Sub-total               17,740,000         25,121,000              
          Less accumulated 
            depreciation and
            amortization         (13,431,000)       (18,135,000)
                                 ------------       ------------
                                  $4,309,000        $ 6,986,000
                                  ==========        ===========

         Total depreciation and amortization expense during 1996, 1995 and 1994 
         was $2,649,000, $3,492,000 and $3,174,000, respectively.  Accumulated
         amortization on leasehold improvements was $5,980,000 and
         $4,605,000 at December 31, 1996 and 1995, respectfully.
         Accumulated depreciation on property leased to others was
         $1,946,000 and $603,000 at December 31, 1996 and 1995,
         respectively.

         As a result of the Company filing for reorganization under Chapter
         11, the Company recognized an impairment loss of $1,145,000 on its
         property and plant in Rockville during 1994.

         8.   PATENTS AND PURCHASED TECHNOLOGY 

         Purchased technology and intangibles consist of the following at
         December 31:

                                                 1996              1995
                                                 ----              ----
         Purchased technology                $3,451,000        $ 3,451,000     
         Patents and patent support             746,000            949,000
                                             ----------        -----------
         Sub-total                            4,197,000          4,400,000     
         Less accumulated amortization       (3,901,000)        (3,345,000)
                                             -----------        -----------
                                             $  296,000         $1,055,000
                                             ==========         ==========

         Total amortization expense was $799,000, $1,245,000 and $1,107,000
         in 1996, 1995 and 1994, respectively.  

         As a result of the Company filing for reorganization under Chapter
         11, the Company recognized an impairment  loss in 1994 of
         $1,734,000 on certain purchased technology. 

         9.   ACCRUED EXPENSES

         Accrued expenses consist of the following at December 31:

                                           1996          1995
                                           ----          ----
         Contract obligations           $ 747,000     $ 975,000
         Compensation                     760,000       321,000                 
         Rockville restructuring charge         0       257,000                
         Charge for excess space          361,000             0    
         Other                            229,000       705,000
                                          -------       -------
                                       $2,097,000    $2,258,000
                                       ==========    ==========

         In 1996 a charge was recorded against the gain on the sale of the
         Enterics business of $361,000, representing the Company 's best
         estimate of minimum lease expense related to space in the
         Company's Worcester facility determined to be permanently in
         excess of the Company's needs from continuing operations.  The
         space was previously utilized by the Enterics  diagnostic
         business. During 1992 the Company recorded a restructuring charge
         for the consolidation of the Rockville manufacturing facilities
         and processes into the Worcester, Massachusetts and Galway,
         Ireland locations.  The Company made $121,000 and $351,000 in
         payments against this reserve in 1995 and 1994, respectively.  The
         remaining balance of $257,000 at December 31, 1995 consisted of
         estimated severance costs and related expenses which were paid on
         or about October 22, 1996, the date of the sale of the Retroviral
         business, which was largely located at the Rockville manufacturing
         facility. 

         10.  DEBT

         As of December 31, 1995 the Company was in default of its debt
         agreements, with the exception of the capital lease agreement, and
         the balance was included in liabilities subject to Chapter 11
         proceedings at that date (see Note 11). During 1996, the Company's
         debt agreements which were in default were restructured or paid
         off as part of the Reorganization Plan.  At December 31, 1996,
         debt consists of the following:
                                                                   1996        
          Mortgage note payable; monthly payments of               ----
          $46,000 through October, 2001, variable interest,
          collateralized by real estate                       $4,180,000       

          Equipment capital lease;  interest at 9.5%;
          due 12/97;                                               5,000       
                                                              ----------
                                                               4,185,000   

          Less: current maturities                              (129,000)
                                                               ----------
          Net long term debt                                  $4,056,000
                                                              ==========

         The building loans  previously in default have been restructured
         into a single loan collateralized by land, buildings and
         improvements with a net book value of $3,816,000.  As part of the
         agreement restructuring the building loans, unpaid accrued
         interest under the previous loans was forgiven and the principal
         amount of the restructured loan was agreed to be $4,200,000.
         Interest on the restructured loan is the lender's prime rate plus
         2 percentage points.  The interest rate on the restructured loan
         at the time of the Plan consummation was 10.25%. The interest rate
         is subject to adjustment at six-month intervals.  The mortgage
         calls for a balloon payment for the entire unpaid balance at the
         end of the mortgage's five year term.

         Annual principal payments on long-term debt during the next five years 
         are as follows:

              Year ending December 31,     
              -----------------------
                   1997                    $  129,000
                   1998                       140,000
                   1999                       156,000
                   2000                       172,000
                   2001                     3,588,000
                   Thereafter                   -     
                                           ----------
                   Total                   $4,185,000
                                           ==========

         11.  LIABILITIES SUBJECT TO CHAPTER 11 PROCEEDINGS

         As described in Note 1, the Company's predecessor filed for
         Chapter 11 protection on July 7, 1994  and had been operating as
         debtor-in-possession at December 31, 1994 and 1995. At those
         dates, substantially all liabilities of the Company were subject
         to settlement under the Reorganization Plan.  The principal
         categories of claims included in Liabilities Subject to Chapter 11
         Proceedings in the Balance Sheet as of December 31, 1995 are set
         forth below:

                                                         1995
                                                         ----
         Priority liabilities                      $    15,000                 
         Collateralized Debt (see Note 10)           4,021,000                
         Prepetition unsecured liabilities           5,844,000
                                                     ---------
         Total                                     $ 9,880,000
                                                   ===========
         These amounts represented management's best estimate of all valid
         claims at the respective balance sheet dates. In April, 1996 the
         Company filed the Reorganization Plan with
         the Bankruptcy Court which, among other matters, described the
         proposed settlement of these liabilities.  The Bankruptcy Court
         confirmed the Reorganization Plan on July 18, 1996 and  it was
         consummated on October 21, 1996. 

         Pursuant to the terms of the Reorganization Plan, the
         collateralized debt was restructured as described in Note 10.
         Priority liabilities were paid in cash at 100% of the value of the
         claim. Prepetition unsecured liabilities included approximately
         $1,393,000 in damages pursuant to contracts under  which the
         Company was in default, which damages were paid in cash at 100% in
         order to cure the default and continue the contracts.
         Approximately $40,000 of the prepetition unsecured liabilities
         were claims of less than $500 that were aggregated into a
         "Convenience Class" and were paid in cash at 100% to facilitate
         the reorganization. The balance of the prepetition unsecured
         liabilities were paid either in cash at 51% or in stock at 100% of
         the face value of the claim. For those claims paid in stock, the
         Bankruptcy Court determined the value of the reorganized company's
         stock to be $9.50 per common share.  For financial statement
         purposes, the Company valued the common stock at $4.50 per share,
         the market price on the distribution date. 

         At December 31, 1996, all claims previously identified as
         Liabilities Subject to Chapter 11 Proceedings had been satisfied
         except one, which remains in dispute. A reserve for the full
         amount of the claim has been established and is accrued for in
         Other Accrued Expenses.

         12.   EXTRAORDINARY LOSS ON REORGANIZATION

         On October 21, 1996, the Company recognized an extraordinary loss
         of $2,040,000 on its reorganization and emergence from Chapter 11
         Bankruptcy.  The major components of this loss were as follows:

         Recognition of expense related to issuance
           of 1,250,000 shares in settlement of
           shareholders class action                     $5,625,000

         Recognition of costs incurred
           to restructure mortgage on   
           Rockville real estate                            193,000

         Forgiveness of debt on pre-petition
           liabilities                                   (3,778,000)
                                                         -----------
                                                         $2,040,000
                                                         ===========
         13.  INCOME TAXES         

         A reconciliation between the amount of reported income tax
         expense/(benefit) and the amount computed using the U.S. federal
         statutory rate of 34% is as follows for the years ended December
         31:
                                                   1996    1995    1994
                                                   ----    ----    ----
         Tax expense/(benefit) at federal
           statutory rates                         34.0%  -34.0%  -34.0%

         Utilization of loss carryforwards        -34.0%   34.0%   34.0%
         Other                                        0       0    -1.6%
                                                  -----   -----   -----
         Reported expense/(benefit) for income
           taxes                                    0.0%    0.0%   -1.6%        
                                                  ======  ======   =====

         The components of the deferred tax assets and liabilities at
         December 31, 1996 and 1995 
         are as follows:                                                       
                                                  1996      1995
                                                  ----      ----
         Current:                                                  
                   Inventory                   $140,000    $500,000       
                   Other                        620,000     300,000            
                                               --------    --------
          Total current                         760,000     800,000        

         Noncurrent:                                                  
                 Capital Loss Carryover       4,691,000   7,200,000
                 Depreciation & Amortization  2,383,000   2,200,000        
                 Restructuring & merger costs   426,000   1,100,000        
                 Other                        1,469,000     900,000        
                 Federal & State NOL's       26,706,000  27,400,000    
                 Federal tax credits          1,246,000   1,200,000
                                             ----------  ----------
        Total noncurrent                     36,921,000  40,000,000
                                             ----------  ----------
         Sub-total                           37,681,000  40,800,000            

         Less: valuation allowance          (37,681,000)(40,800,000)
                                            -----------  ----------
         Net deferred tax asset                      $0          $0        
                                            ===========  ==========

         Management has assessed the positive and negative evidence
         relating to recoverability of the deferred tax asset and has
         determined that it is more likely than not that the deferred tax
         benefit will  be unrealized due to the uncertainty of earning
         sufficient taxable income.  Accordingly, a valuation reserve has
         been established for the full amount of the deferred tax asset.

         As of December 31, 1996, the Company had federal net operating
         loss (NOL) carryforwards of approximately $61,000,000.  These loss
         carryforwards begin to expire in the year 2000 and expire fully by
         the year 2011.  Utilization of these NOL's may be limited pursuant
         to the provisions of Section 382 of the Internal Revenue Code of
         1986.  The Company's NOL's are subject to review by the Internal
         Revenue Service and various state tax authorities.  

         14.  OTHER INCOME, NET

         Included in Other Income, Net is royalty income earned under
         certain license and sublicense agreements related primarily to
         diagnostic technologies, net of expenses due, in some cases, to
         third-party licensors. This royalty income was previously reported
         as revenue. Since the completion of the Company's Reorganization
         Plan and the discontinuance of all other diagnostic operations,
         however, this income is no longer considered to be central the
         Company's business and has therefore been reclassified as Other
         Income in all years presented.  The net royalty income reported
         under Other Income was $1,395,000, $1,582,000 and $832,000 in
         1996, 1995, and 1994, respectively.

         Other Income, Net in 1996 includes $3,250,000 received from Abbott
         Laboratories under an amendment to a sublicense agreement which
         granted Abbott a fully paid-up sublicense for the non-exclusive
         diagnostic use of certain HIV-related technology. Also included in
         Other Income in 1996 is $500,000 received from BioNebraska in
         exchange for the Company's share in a joint venture (see Note 6). 

         The Company receives rental income on certain property from
         various tenants and sub-tenants under noncancelable leases which
         extend to 2006.  The Company received $362,000, $286,000 and
         $458,000 in rental income in 1996, 1995 and 1994, respectively.
         The Company records the expenses associated with the rental income
         by aggregating the expenses with the rental income in Other
         Income, Net on its Statement of Operations.  The Company incurred
         approximately $54,000, $75,000 and $420,000 in expenses during
         1996, 1995 and 1994, respectively, in regard to these leases.
         Future minimum rental income on noncancelable operating leases for
         the year ended December 31, 1996 are as follows:

                   1997                                    621,000
                   1998                                    477,000
                   1999                                    483,000 
                   2000                                    517,000
                   2001                                    517,000
                   Thereafter                            2,621,000
                                                         ---------
                   Total future minimum rental income   $5,236,000
                                                        ==========

         15.  COMMITMENTS AND CONTINGENCIES

         Leases - The Company has entered into operating lease agreements
         for its executive offices, warehouse, research laboratories,
         manufacturing facilities, and office equipment.  The base lease
         periods range from two to ten years.  During 1996, the Company
         extended the lease for its Worcester facility, housing its
         executive offices, research laboratories, and manufacturing
         facilities one year to December 31, 1997 and extended the lease
         for its warehouse through April, 1997.  Costs incurred under the
         operating leases are recorded as rent expense and totaled
         $1,105,000, $1,161,000 and $1,406,000 for real estate and $3,000,
         $9,000 and $632,000 for equipment in 1996, 1995 and 1994,
         respectively. As of December 31, 1996, the future minimum lease
         payments required under operating leases are $1,032,000, all of
         which is payable under the Worcester facility lease through
         December, 1997.

         Employment and Consulting Agreements - The Company has agreements
         with various consultants and key employees, with terms ranging
         from one to three years.  These agreements provide for future
         aggregate annual payments of approximately $525,000.  Costs
         incurred and charged to operations under these contracts
         aggregated $1,268,000, $1,259,000 and $2,165,000 in 1996, 1995 and
         1994, respectively.

         Other Agreements -During 1992, the Company paid $2,300,000 to
         Alfa-Laval, a Swedish company, to acquire its fibronectin binding
         technology for use in mastitis vaccines and certain other
         products.  In 1995 the Company recorded $700,000 in expenses for
         the granting of certain patents on this technology.  The agreement
         provides for additional payments to Alfa-Laval conditioned upon
         the first commercial sale of future vaccines at  $1,333,000 per
         vaccine, and up to $1,300,000 conditioned upon the granting of
         additional patents in the United States and Europe on the
         technology acquired.  

         Contingencies - In November 1993, five civil actions were
         commenced in the United States District Court, District of
         Massachusetts, against the Company, certain of its officers, and
         in three of the actions, the Company's former auditors.  The
         actions were instituted by persons alleging to be shareholders of
         the Company and to be representative of a class of shareholders
         claiming damages resulting from alleged violations of securities
         laws by defendants in connection with the 1992 results of the
         Company and the restatement thereof.  The actions have been
         consolidated under the caption In Re: Cambridge Biotech
         Corporation Securities Litigation, Civil Action No. 93-12486-REK.
         In February, 1996 the plaintiffs agreed to settle all claims
         against the Company and the individual defendants and pleadings
         were filed with the United States District Court for the District
         of Massachusetts for the purpose of approving the settlement.
         Under the terms of the Settlement, the class members received
         1,250,000 shares of Aquila common stock and are entitled to
         receive 90% of any recoveries from prosecution of claims, if any,
         against  the Company's former auditors.  The Company is entitled
         to receive 10% of any recoveries from prosecution of such claims.
         Prosecution of claims against the Company's former auditors is an
         ongoing matter.

         In March 1995, an Adversary Proceeding No. 95-4074 was commenced
         in the Bankruptcy court, by Institut Pasteur and Genetic Systems
         Corporation alleging patent infringement and asking for damages
         and injunctive relief.  The Company filed an answer and
         counterclaim denying the plaintiff's allegations and alleging a
         breach by Institute Pasteur of its license agreement with the
         Company.  On September 1, 1995, the Bankruptcy Court issued a
         summary judgment upholding the Company's license under two patents
         issued to Institut Pasteur to commercialize diagnostics tests for
         the HIV-2 strain of the AIDS virus.  The Bankruptcy Court also
         ruled that the Company's HIV-1 Western blot confirmatory test
         infringes a third patent issued to Institut Pasteur, and enjoined
         the Company from the manufacture and sale of the HIV-1 Western
         blot test.  On January 5, 1996, the Bankruptcy Court lifted its
         injunction with respect to the Company's production and sale of
         the HIV-1 Western blot kits.  The Court ruled that the Company has
         a license for the HIV-1 patent and must pay a royalty on related
         sales.  Institut Pasteur has appealed the Bankruptcy Court's
         ruling.  While the final outcome of these patent issues  cannot be
         determined with certainty, the Company no longer practices the
         technology that is the subject of these proceedings, as it is part
         of the Retroviral business that was sold to bioMerieux. Further,
         the Company has not indemnified bioMerieux against any adverse
         decision on this appeal, other than any liability arising out of
         the conduct of the Company prior to the sale of the Retroviral
         business to bioMerieux. Accordingly, based on the information
         management currently possesses, management believes any settlement of
         this appeal will not have a material adverse effect on the Company's
         financial position or results of operations.

         Institut Pasteur and Pasteur Sanofi Diagnostics (together
         "Pasteur") objected to the confirmation of the Company's
         Reorganization Plan, arguing that the treatment under the Plan of
         certain technology cross-licenses was improper. The Bankruptcy
         Court overruled the objection and  Pasteur appealed. The U.S.
         District Court for the District of Massachusetts dismissed the
         appeal and affirmed the Confirmation Order on September 27, 1996.
         Pasteur appealed this judgment to the U.S. Court of Appeals for
         the First Circuit. By order dated January 17, 1997, the Court of
         Appeals affirmed the judgment of the District Court (affirming the
         Confirmation Order). To date, Pasteur has not sought further
         review of the Confirmation Order, although the time to file a
         petition with the U.S. Supreme Court does not expire until August
         17, 1997. 

         In July of 1994, the Securities and Exchange Commission issued an
         Order Directing Private Investigation in the matter of Cambridge
         Biotech Corporation, investigating matters pertaining to the
         Company's financial statements, its public filings and the
         offerings of its securities.  The Company cooperated fully with
         the investigation, which concluded on or about October 17, 1996,
         with issuance by the SEC of an order instituting public
         administrative proceedings pursuant to Sec. 8A of the Securities
         Act of 1933 and Sec. 21C of the Exchange Act of 1934. The Company
         consented to the issuance of the order without admitting or
         denying any wrongdoing, that it cease and desist from 
         violations of the anti-fraud, corporate reporting, and books and
         records provision of the federal securities laws.

         The Company has and is engaged in negotiations of various
         contracts with other parties regarding issues generally incidental
         to the normal course of business.  While the outcome of these
         negotiations and the ultimate liability from these discussions is
         difficult to determine, in the opinion of management any
         additional liability will not have a material adverse effect on
         the Company's financial position, liquidity, or results of
         operations.

         16.  SHAREHOLDERS' EQUITY

         Capital Stock - In the first quarter of 1994 the Company issued
         2,589,100 shares in connection with a shelf offering.  The
         offering raised net proceeds of $6,635,000 after deducting legal
         costs and other expenses associated with the offering.

         The Company has 5,000,000 shares of preferred stock and 30,500,000
         shares of common stock authorized at December 31, 1996. No terms
         have been established for the preferred stock and none has been
         issued. 5,000,000 shares of Aquila common stock have been issued,
         and 10,526 are in treasury.

         Employee Incentive Stock Plan - On October 27, 1994, the Company's
         plan to institute a retention bonus plan for some of its employees
         was approved by the United States Bankruptcy Court for the
         District of Massachusetts.  The plan called for bonuses to be paid
         in stock of the reorganized Company upon emergence from Chapter 11
         reorganization.  The Company recorded compensation expense of
         $830,000 and $627,000 in 1995 and 1994, respectively. Shares of
         Aquila common stock totaling 111,790 were issued under the
         retention bonus plan shortly after the consummation of the Plan.

         Exchange of Shares - pursuant to the Reorganization Plan, an
         exchange of CBC common shares for Aquila common shares was
         effected on October 21, 1996, in the form of  1 Aquila common
         share issued for every 7.6 CBC common shares held of record on
         that date. In total, 3,442,305 shares of Aquila common were issued
         in exchange for 26,057,006 shares of CBC common. All  weighted
         average shares and per share data have been restated to reflect
         the exchange of shares as of the earliest period presented.

         17.  EMPLOYEE BENEFITS PLAN

         The Company has a savings plan for its employees pursuant to
         Section 401(k) of the Internal Revenue Code.  
         Substantially all employees can participate, and the plan allows
         for a minimum deferral of 1% to a maximum deferral of 15% percent
         of plan compensation, as permitted by law or as limited by the
         plan administrator.  Prior to the Chapter 11 filing, the Company
         matched 50% of the first 6% of an employee's compensation, if
         contributed to the plan.  Any contributions made by the Company
         vest over a three-year period.  The amount charged to operations
         for the plan was $93,000 in 1994.  The Company suspended its
         matching contribution on the date of the Chapter 11 filing, but
         reinstituted the matching contribution beginning in January, 1997.
         Currently, the Company matches  25% of the first  6% of the
         employees compensation, if  contributed to the plan.  Any
         contributions made by the Company are vested at 33% for each year
         of employment. 

         Stock Option Plans - Prior to the consummation of the Plan, the
         Company  had three stock option plans, each of which was canceled
         under the Plan.

         At December 31, 1996, the Company had two stock option plans.
         Under the 1996 Stock Award and Option Plan (the "Employee plan"),
         the Company may grant incentive stock options, nonqualified stock
         options, discounted stock options, deferred stock awards,
         restricted stock awards, or Stock Appreciation Rights  to its
         employees for up to 2 million shares of common stock. Under the
         1996 Directors Stock Award and Option Plan (the "Directors plan"),
         the Company may grant the same types of options and awards as
         under the Employee plan, except that certain additional
         restrictions apply to the grant of Stock Appreciation Rights under
         the Directors plan. Up to 200,000 shares of common stock may be
         issued under the Directors plan.

         In 1996 the Company adopted Statement of Financial Accounting
         Standards No. 123 ("SFAS 123"), Accounting for Stock Based
         Compensation. SFAS 123 requires that companies either recognize
         compensation expense for grants of stock, stock options and other
         equity instruments based on fair value, or provide pro forma
         disclosure of net income and earnings per share in the notes to
         the financial statements. The Company adopted the disclosure
         provisions of SFAS 123 in 1996 and has applied APB Opinion 25 and
         related Interpretations in accounting for its plans. Accordingly,
         no compensation expense has been recognized for options granted at
         or above fair market value under these plans.  Had compensation
         expense for the Company's stock-based compensation plans been
         determined based on the fair value at the grant dates, as
         calculated in accordance with SFAS 123, the Company's net income
         or loss and earnings per share for the years ended December 31,
         1996 and 1995 would have been reduced to the pro forma amounts
         indicated below:

                           1996                           1995
                          
                   Net Income Earnings Per Share  Net Loss Earnings Per Share  
                   ---------- ------------------  -------- ------------------
         As Reported $5,960        $1.57          $(4,942)     $(1.44)   
         Pro Forma    5,529         1.45           (5,199)      (1.51)

         The effects of applying SFAS123 in this pro forma disclosure are
         not indicative of future amounts. SFAS123 does not apply to awards
         prior to 1995, and additional awards in future years are
         anticipated. The weighted average fair value of options granted in
         1996 and 1995 is $2.65 and $2.47, respectively. A pro forma impact
         is reflected for 1995 related to options granted in that year but
         canceled and reissued in 1996. The fair value of each option grant
         is estimated on the date of grant using the Black-Scholes option
         pricing model with the following assumptions used for grants in
         1996 and 1995, respectively; expected volatility of 72.94% in both
         years, risk-free interest rates of 6.19% and 5.41%, expected lives
         of 4 years for all options grants, and no dividend yield.  

         A summary of the status of the Company's two stock option plans as
         of December 31, 1996 is presented below:
                                                           Weighted Average
                                            Shares          Exercise Price
                                            ------         ----------------
         Options granted below
           fair market value                173,405             $2.80
         Options granted at
           fair market value                551,750             $4.50 
         Options forfeited                   12,500             $4.50
                                            -------             -----
         Balance, December 31, 1996         712,655             $4.09

         The following table summarizes information about Aquila stock
         options outstanding at December 31, 1996:

                                Weighted    Weighted                 Weighted
         Range of   Number      Average     Average     Number       Average   
         Exercise  Outstanding  Remaining   Exercise    Exercisable  Exercise  
         Prices    at 12/31/96  Contractual Price       at 12/31/96  Price
                                Life
         --------  -----------  ----------- ---------  ------------  ---------
         $2.80      173,405      8.9 years   $2.80       173,405      $2.80
          4.50      539,250      9.2 years    4.50       165,625       4.50
                    -------      ---------   -----       -------      -----
         $2.80 to   712,655      9.1 years    4.09       339,030       3.63
         $4.50

         At December 31, 1996,  there were 1,487,345 options available to
         be granted. Options available for exercise and weighted average
         exercise price are not presented for 1995 and 1994, as all options
         outstanding on those dates have been canceled pursuant to the
         Plan. Therefore, the Company believes the presentation of that
         information would not be meaningful. Compensation expense of
         $50,000 was recorded in 1996 related to options granted to a
         consultant during the year. 

         18.  AGREEMENTS

         The Company has a comprehensive agreement with SmithKline Beecham
         p.l.c. ("SmithKline") which allows SmithKline to use the Company's
         proprietary Stimulon adjuvant ("QS-21") in numerous vaccines
         including hepatitis, lyme disease, human immunodeficiency virus
         (HIV), influenza and malaria.  The agreement grants certain
         exclusive worldwide rights in some fields of use, and co-exclusive
         or non-exclusive rights in others.  The Company recognized
         $3,500,000, $3,500,000 and $3,000,000 in license fees under this
         agreement during 1996, 1995 and 1994, respectively. The agreement
         calls for royalties to be paid by SmithKline on its future sales
         of licensed vaccines which include Aquila's adjuvant.  The terms
         of the collaborative agreement with SmithKline include funding
         through 1998.

         The Company has product development agreements with Virbac S.A.
         and supply agreements with Virbac S.A and Virbac Inc., the U.S.
         subsidiary of Virbac S.A. (together, "Virbac") which cover the
         ongoing collaboration between Virbac and the Company relating to
         the development of products for feline immune deficiency virus
         ("FIV")  and bovine mastitis and the supply  of vaccine and
         adjuvant for feline leukemia ("FeLV").  The Company recognized
         $1,177,000, $581,000 and $472,000 in revenues under the product
         development agreements during 1996, 1995 and 1994, respectively.
         In addition, $895,000 and $2,072,000 were included in deferred
         revenue at December 31, 1996 and 1995, respectively, related to
         the product development agreements. Sales to Virbac under the
         terms of the supply agreements were $883,000, $546,000 and
         $662,000 in 1996, 1995 and 1994, respectively.  

         As part of its program to develop, manufacture and market products
         for detection, prevention and treatment of human and animal
         infectious diseases, the Company has entered into various
         agreements with the National Institute of Health ("NIH").  Such
         agreements provide the Company with research and development
         funding through 1996, assuming, in certain cases, achievement of
         mutually defined milestones.  Revenue recognized under these
         agreements amounted to $296,000, $596,000 and $787,000 in 1996,
         1995 and 1994, respectively. 

         19.  MAJOR CUSTOMERS

         SmithKline is the Company's principle source of research and
         development revenue.  Research and development revenues from
         SmithKline represented 53% , 61% and 60% of the Company's total
         revenue in 1996, 1995 and 1994, respectively. SmithKline also
         purchases certain clinical trial material from the Company for use
         in its product development programs. 
         
         Virbac represents a substantial portion of the Company's product
         sales and research and development revenue.  Revenue from
         development agreements with Virbac represented 18%, 10% and 9% of
         total revenue in 1996, 1995 and 1994, respectively. Product sales
         to Virbac represented 13%, 10% and 12% of total revenues in 1996,
         1995 and 1994, respectively.

         20.  SEGMENT INFORMATION                  

         The Company operates in one industry segment consisting of the
         development, manufacturing and marketing of products that modulate
         the immune system to control or prevent infectious diseases and
         cancer.  Total export sales were approximately $3.1 million, $4
         million and $3.7 million in 1996, 1995 and 1994, respectively, of
         which $1,344,000, $238,000,  and $286,000   were from continuing
         operations in 1996, 1995 and 1994, respectively.  





                                    SIGNATURES

             Pursuant to the requirements of Section 13 or 15(d) of the
        Securities Exchange Act of 1934, the registrant has duly caused
        this report to be signed on its behalf by the undersigned,
        thereunto duly authorized.

                                          AQUILA BIOPHARMACEUTICALS, INC.



        March 31, 1997                    By:__/s/ Alison Taunton-Rigby__
                                             Alison Taunton-Rigby
                                             President, (Principal
                                             Executive Officer)



        March 31, 1997                    By:__/s/ Stephen J. DiPalma
                                             Stephen J. DiPalma
                                             Vice President-Finance,
                                             Treasurer
                                             and Chief Financial Officer
                                             (Principal Financial Officer)



        March 31, 1997                    By:__/s/ Paul Foulkrod
                                             Paul Foulkrod
                                             Principal Accounting Officer


             Pursuant to the requirements of the Securities Exchange Act
        of 1934 this report has been signed below by the following persons
        on behalf of the registrant and in the capacities and on the dates
        indicated:


        Signature                        Title          Date


        /s/ Alison Taunton-Rigby_______  Director       March 31, 1997
        Alison Taunton-Rigby


        /s/ Elliott D. Hillback, Jr.__   Director       March 31, 1997
        Elliott D. Hillback, Jr.


        /s/ John M. Nelson__________     Director       March 31, 1997
        John M. Nelson 






        /s/ Keith J. Dorrington______    Director       March 31, 1997
        Keith J. Dorrington


        /s/ Jeffrey T. Beaver____        Director       March 31, 1997
        Jeffrey T. Beaver



                                 INDEX OF EXHIBITS




                  2.      Confirmed Reorganization Plan (consisting of
        Reorganization Plan, dated May 20, 1996, and modification date of
        July 15, 1996) (incorporated by reference to Exhibit 2 to current
        report on Form 8-K, dated July 18, 1996, File No. 0-12081).

                  3.1     Amended and Restated Certificate of
        Incorporation, effective July 25, 1996 (incorporated by reference
        to Exhibit 2 to Form 8-K, dated July 18, 1996, File No. 0-12081).

                  o3.2    Certificate of Amendment of Amended and Restated
        Certificate of Incorporation, effective March 24, 1997 (a complete
        copy of the Amended and Restated Certificate of Incorporation, as
        amended, is filed herewith).

                  3.3     By-laws (incorporated by reference to Exhibit 2
        to Form 8-K, dated July 18, 1996, File No. 0-12081).

                  4.1     Specimen Certificate representing common stock
        of the Company (incorporated by reference to Exhibit 4.1 to Form
        8-K, dated October 21, 1996, File No. 0-12081).

                  4.5     Long Term Debt.  No instrument which defines the
        rights of holders of long term debt of the Company is filed
        herewith.  The Company hereby agrees to furnish a copy of any such
        instrument to the SEC upon request.

                  *10.1   Contract Research and License Agreement with
        Virbac Laboratories, S.A. dated July 6, 1983 (incorporated by
        reference to Exhibit 10.31 to Annual Report on Form 10-K for
        fiscal year ended December 31, 1983, File No. 0-12081).

                  *10.1.1 Amendment to Agreement with Virbac Laboratories,
        S.A. (incorporated by reference to Exhibit 10.10.1 to Annual
        Report on Form 10-K for fiscal year ended December 31, 1988, File
        No. 0-12081).

                  *10.2   Lease for Worcester Massachusetts facility
        (incorporated by reference to Exhibit 10.13 to Annual Report on
        Form 10-K for fiscal year ended December 31, 1986, File No. 
        0-12081).

                  10.2.1  Amendment to Lease Agreement for Worcester
        Massachusetts facility (incorporated by reference to Exhibit 10.18
        to Annual Report on Form 10-K for fiscal year ended December 31,
        1992, File No. 0-12801).

                  *10.3   License, Development and Supply Agreement with
        SmithKline Beecham, p.l.c., dated as of September 11, 1992, as
        amended by Agreement dated as of March 31, 1993 (incorporated by
        reference to Exhibit 10.17 to Annual Report of Form 10-K for
        fiscal year ended December 31, 1992, File No. 0-12081).

                  tm10.4  Employment Agreement with Alison Taunton-Rigby,
        dated April 6, 1995 (incorporated by reference to Exhibit 10.17 to
        Annual Report on Form 10-K for fiscal year ended December 31,
        1995, File No. 0-12081).

                  tm10.5  Employment Agreement with Gerald A. Beltz, dated
        August 21, 1995 (incorporated by reference to Exhibit 10.18 to
        Annual Report on Form 10-K for fiscal year ended December 31,
        1995, File No. 0-12081).

                  tm10.6  Employment Agreement with Deborah Blackburn
        Grabbe, dated August 21, 1995 (incorporated by reference to
        Exhibit 10.19 to Annual Report on Form 10-K for fiscal year ended
        December 31, 1995, File No. 0-12081).

                  tm10.7  Employment Agreement with Robert B. Kammer,
        dated August 21, 1995 (incorporated by reference to Exhibit 10.20
        to Annual Report on Form 10-K for fiscal year ended December 31,
        1995, File No. 0-12081).

                  tmo10.8 Employment Agreement with Stephen J. DiPalma,
        dated March 1, 1996.

                  10.9    Master Acquisition Agreement by and among
        bioMerieux Vitek, Inc., Aquila Biopharmaceuticals, Inc. and
        Cambridge Biotech Corporation, dated as of April 4, 1996
        (incorporated by reference to Exhibit 10.1 to quarterly report on
        Form 10-Q for quarter ended June 30, 1996, File No. 
        0-12081).

                  10.10   Asset Purchase Agreement between Meridian
        Diagnostics, Inc. and Cambridge Biotech Corporation, dated as of
        June 24, 1996 (incorporated by reference to Exhibit 2.1 to current
        report on Form 8-K, dated June 24, 1996, File No. 0-12081).

                  o10.11  Lease Agreement with bioMerieux Vitek, Inc.
        dated October 22, 1996 for premises located at 1500 East Gude
        Drive and 3  Taft Court, Rockville, Maryland.

                  o10.12  1996 Stock Award and Option Plan.

                  o10.13  1996 Directors Stock Award and Option Plan.

                  o10.14  1996 Employee Stock Purchase Plan.

                  o11.    Computation of Earnings Per Share.

                  o27.    Financial Data Schedule.








        _____________________

        o    Filed herewith as part of this Annual Report on Form 10-K.

        *    Confidential treatment previously granted.

        tm   Management contract or compensatory plan.






                                    EXHIBIT 3.2

                               AMENDED AND RESTATED
                           CERTIFICATE OF INCORPORATION
                                        OF
                          AQUILA BIOPHARMACEUTICALS, INC.

                   (Original Certificate of Incorporation filed
            with the Secretary of State of Delaware on March 7, 1996.)


             FIRST.  The name of the corporation is Aquila
        Biopharmaceuticals, Inc.

             SECOND.  The address of its registered office in the State of
        Delaware is Corporation Trust Center, 1209 Orange Street, in the
        City of Wilmington, County of New Castle.  The name of the
        registered agent at such address is The Corporation Trust Company.

             THIRD.  The nature of the business or purpose to be conducted
        or promoted is:  to engage in any lawful act or activity for which
        corporations may be organized under the General Corporation Law of
        Delaware.

             FOURTH.  The name and address of the incorporator is:
        Jane V. Hawkes of 311 Main Street, Worcester, Massachusetts.

             FIFTH.  

             A.   Number of Shares.

             The total number of shares of capital stock which the
        corporation shall have the authority to issue is thirty-five
        million five hundred thousand (35,500,000) shares, of which thirty
        million five hundred thousand (30,500,000) shares shall be common
        stock, par value $.01 per share, and five million (5,000,000) shares
        shall be preferred or special stock, par value $.01 per share.

             The number of authorized shares of preferred or special stock
        may be increased or decreased (but not below the number of shares
        outstanding) by the affirmative vote of the holders of a majority
        of the common stock, without a vote of the holders of the
        preferred or special stock, or of any class or series thereof,
        unless a vote of any such holders is required pursuant to the
        certificate or certificates establishing the class or series of
        preferred or special stock.

             B.   General.

             No holder of any stock of the corporation shall be entitled
        as such, as a matter of right, to subscribe for or purchase any
        part of any new or additional issue of stock of any class
        whatsoever of the corporation, or of securities convertible into
        stock of any class whatsoever, whether now or hereafter
        authorized, or whether issued for cash or other consideration or
        by way of dividend.<PAGE>




             The designations, powers, preferences and rights of, and the
        qualifications, limitations and restrictions upon, each class or
        series of stock shall be as set forth below in Paragraphs C
        through E of this Article FIFTH; provided, that in no event shall
        the corporation have authority to issue any class or series of
        stock which does not have the right to vote generally in the
        election of directors, notwithstanding anything in Paragraphs C,
        D, or E of Article FIFTH to the contrary.

             C.   Preferred or Special Stock.

             Subject to any limitation prescribed by law or by Paragraph E
        of this Article FIFTH, the board of directors of the corporation
        is expressly authorized to provide for the issuance of the shares
        of preferred or special stock in one or more classes or one or
        more series within any class, and by filing a certificate pursuant
        to applicable law of the State of Delaware, to establish or change
        from time to time the number of shares to be included in each such
        class or series, and to fix the designation, powers, preferences
        and rights of the shares of each such class or series and any
        qualifications, limitations and restrictions thereof.  Any action
        by the board of directors under this Paragraph C shall require the
        affirmative vote of a majority of the directors then in office.
        The authority of the board of directors with respect to each such
        class or series of preferred or special stock shall include, but
        not be limited to, the right to determine or fix one or more of
        the following:

             (a)  The distinctive class or serial designation and the
        number of shares constituting such class or series;

             (b)  The dividend rates or the amount of dividends to be paid
        on the shares of such class or series, whether dividends shall be
        cumulative and, if so, from which date or dates, the payment date
        or dates for dividends, and the participating and other rights, if
        any, with respect to dividends;

             (c)  The voting powers, full or limited, if any, of the
        shares of such class or series;

             (d)  Whether the shares of such class or series shall be
        redeemable and, if so, the price or prices at which, and the terms
        and conditions on which, such shares may be redeemed;

             (e)  The amount or amounts payable upon the shares of such
        class or series and any preferences applicable thereto in the
        event of the voluntary or involuntary liquidation, dissolution or
        winding up of the corporation;

             (f)  Whether the shares of such class or series shall be
        entitled to the benefit of a sinking or retirement fund to be
        applied to the purchase or redemption of such shares, and if so
        entitled, the amount of such fund and the manner of its


                                       - 2 -<PAGE>




        application, including the price or prices at which such shares
        may be redeemed or purchased through the application of such fund;

             (g)  Whether the shares of such class or series shall be
        convertible into, or exchangeable for, shares of any other class
        or classes or of any other series of the same or any other class
        or classes of stock of the corporation and, if so convertible or
        exchangeable, the conversion price or prices, or the rate or rates
        of exchange, and the adjustments thereof, if any, at which such
        conversion or exchange may be made, and any other terms and
        conditions of such conversion or exchange;

             (h)  The price or other consideration for which the shares of
        such class or series shall be issued;

             (i)  Whether the shares of such class or series which are
        redeemed or converted shall have the status of authorized but
        unissued shares of preferred or special stock and whether such
        shares may be reissued as shares of the same or any other class or
        series of stock; and

             (j)  Such other powers, preferences, rights, qualifications,
        limitations and restrictions thereof as the board of directors of
        the corporation may deem advisable.

             All stock issued pursuant to this Paragraph C shall be
        hereinafter referred to as "preferred stock".

             D.   Common Stock

             Subject to all of the rights of the preferred stock, and
        except as provided by law or in this Article FIFTH (or in any
        certificate of designations of any class or series of preferred
        stock) or by the board of directors pursuant to this Article
        FIFTH:

             (a)  the holders of the common stock shall have the right to
        vote for the election of directors and on all other matters
        requiring stockholder action, each share being entitled to one
        vote;

             (b)  dividends may be declared and paid or set apart for
        payment upon the common stock out of any assets or funds of the
        corporation legally available for the payment of dividends, but
        only when and as declared by the board of directors or any
        committee thereof authorized by the board of directors to declare
        dividends; and 

             (c)  upon the voluntary or involuntary liquidation,
        dissolution or winding up of the corporation, the net assets of
        the corporation shall be distributed pro rata to the holders of
        the common stock in accordance with their respective rights and
        interests.


                                       - 3 -<PAGE>




             E.   Limitations on Issuance of Preferred Stock

             The authority of the board of directors to establish a class
        or series of preferred stock under Paragraph C above is subject to
        the following limitation:

             Until the conclusion of the corporation's 1997 annual
        meeting, no class or series of preferred stock shall be
        established or shares thereof issued unless approved either by (i)
        a unanimous vote of the board of directors, or (ii) a vote of a
        majority of the shares of capital stock represented in person or
        by proxy at a meeting of stockholders.

             SIXTH.  In furtherance and not in limitation of the powers
        conferred by the State of Delaware:

             A.   The board of directors shall have the power to adopt,
        alter, amend and repeal the by-laws of the corporation.  Any by-
        laws of the corporation adopted by the directors under the powers
        conferred hereby may be altered, amended or repealed by the
        directors or by the stockholders.  Notwithstanding the foregoing
        or any other provisions of this certificate of incorporation or
        the by-laws of the corporation to the contrary, any such action by
        the board of directors to adopt, alter, amend or repeal the by-
        laws of the corporation shall require the affirmative vote of a
        majority of the directors then in office at a duly constituted
        meeting of the board of directors.  Notwithstanding the foregoing
        or any other provisions of this certificate of incorporation or
        the by-laws of the corporation to the contrary, any action by the
        stockholders to adopt, alter, amend or repeal the by-laws of the
        corporation shall require the affirmative vote of the holders of
        at least sixty-six and two-thirds percent (66 2/3%) of the then
        outstanding shares of stock entitled to vote thereon, voting
        together as a single class, at a duly constituted meeting of the
        stockholders called expressly for such purpose.

             B.   Elections of directors need not be by written ballot
        unless the by-laws of the corporation shall so provide.

             C.   The books of the corporation may be kept at such place
        within or without the State of Delaware as the by-laws of the
        corporation may provide or as may be designated from time to time
        by the board of directors of the corporation.

             D.   A director of the corporation shall be relieved of any
        personal liability to the corporation or its stockholders for
        monetary damages for breach of his or her fiduciary duty as a
        director of the corporation to the extent provided either (i) in
        the order of the United States Bankruptcy Court for the District
        of Massachusetts confirming the Reorganization Plan but in any
        event to no greater extent than is permitted by Section 102(b)(7)
        or any successor or similar provision of the Delaware General
        Corporation Law, or (ii) by the Delaware General Corporation Law,
        as now or hereafter in effect and interpreted by the courts of the

                                       - 4 -<PAGE>




        State of Delaware, in the absence of any specific provision in a
        corporation's certificate of incorporation.

             E.   Except as otherwise fixed pursuant to the provisions of
        Article FIFTH hereof relating to the rights of the holders of any
        class or series of preferred stock to elect directors, the number
        of directors of the corporation shall be fixed from time to time
        by or in the manner provided in the corporation's by-laws.  The
        directors, other than those who may be elected by the holders of
        any class or series of preferred stock, shall be classified with
        respect to the term for which they severally hold office into
        three classes, as nearly equal in number as possible, as shall be
        provided in the manner specified in the by-laws.

                  At the annual shareholders meeting of the corporation in
        1997, the term of office of the class of directors designated as
        Class I directors shall expire and new Class I directors shall be
        elected for a term to expire at the annual shareholders meeting in
        1999.  At the annual shareholders meeting in 1997, the term of the
        office of the class of directors designated as the Class II
        directors shall expire and new Class II directors shall be elected
        for a term expiring in 2000, and at the annual shareholders
        meeting in 1998, the term of office of the class of directors
        designated as the Class III directors shall expire and new Class
        III directors shall be elected for a term expiring in 2001.  At
        each succeeding annual meeting of shareholders of the corporation,
        the successors to the class of directors whose terms expire at
        that meeting shall be elected to hold office for a term expiring
        at the annual meeting of shareholders held in the third year
        following the year of their election and until their respective
        successors are elected and qualified.  If the number of directors
        is changed, any increase or decrease in the number of directors
        shall be apportioned by the board of directors so that each class
        is as nearly equal as possible, provided that no decrease in the
        number of directors shall affect the term of any director then in
        office.

             F.   Subject to the rights of any class or series of
        preferred stock to elect or remove directors, any director
        (including persons elected by directors to fill vacancies on the
        board of directors) may be removed from office, with or without
        cause, by the affirmative vote of (i) the holders of at least
        sixty-six and two-thirds percent (66 2/3%) of the then outstanding
        shares of stock entitled to vote generally in the election of
        directors, voting together as a single class, at a duly
        constituted meeting of stockholders called expressly for such
        purpose, or (ii) at least two-thirds of the directors then in
        office.  At least thirty (30) days prior to any such meeting of
        stockholders, written notice shall be sent to the director whose
        removal will be considered at the meeting.

             G.   Except as otherwise fixed pursuant to the provisions of
        Article FIFTH hereof relating to the rights of the holders of any
        class or series of preferred stock to elect directors, any vacancy

                                       - 5 -<PAGE>




        occurring in the board of directors, including any newly created
        directorships resulting from an increase in the number of
        directors or any vacancy resulting from death, resignation,
        disqualification, removal or other cause, shall be filled solely
        by the affirmative vote of a majority of the remaining directors
        then in office, even though less than a quorum of the board of
        directors.  Any director appointed in accordance with the
        preceding sentence shall hold office for the remainder of the full
        term of the class of directors in which the new directorship was
        created or the vacancy occurred and until such director's
        successor shall have been elected and qualified.

             SEVENTH.  Any action required by law to be taken at any
        annual or special meeting of stockholders of the corporation, or
        any action which may be taken at any annual or special meeting of
        such stockholders, shall be taken only at such a meeting.

             Except as otherwise required by law or Article SIXTH hereof,
        and subject to the rights of the holders of any class or series of
        preferred stock, special meetings of the stockholders of the
        corporation may be called only by (i) the board of directors
        pursuant to a resolution approved by affirmative vote of majority
        of the directors then in office, (ii) the Chairman of the Board,
        if one is elected, (iii) the President, or (iv) the holders of at
        least sixty-six and two-thirds percent (66 2/3%) of the then
        outstanding shares of stock entitled to vote generally in the
        election of directors.  Only those matters set forth in the notice
        of special meeting may be considered or acted upon at such special
        meeting, unless otherwise provided by law.  Advance notice of any
        matters which stockholders intend to propose for action at an
        annual meeting shall be given in the manner provided in the by-
        laws of the corporation.

             EIGHTH.  Whenever a compromise or arrangement is proposed
        between this corporation and its creditors or any class of them
        and/or between this corporation and its stockholders or any class
        of them, any court of equitable jurisdiction within the State of
        Delaware may, on the application in a summary way of this
        corporation or of any creditor or stockholder thereof or on the
        application of any receiver or receivers appointed for this
        corporation under Section 291 of Title 8 of Delaware Code or on
        the application of trustees in dissolution or of any receiver or
        receivers appointed for this corporation under Section 279 of
        Title 8 of the Delaware Code order a meeting of the creditors or
        class of creditors, and/or of the stockholders or class of
        stockholders of this corporation, as the case may be, to be
        summoned in such manner as the said court directs.  If a majority
        in number representing three-fourths in value of the creditors or
        class of creditors, and/or of the stockholders or class of
        stockholders of this corporation, as the case may be, agree to any
        compromise or arrangement and to any reorganization of this
        corporation as a consequence of such compromise or arrangement,
        the said compromise or arrangement and the said reorganization
        shall, if sanctioned by the court to which the said application

                                       - 6 -<PAGE>




        has been made, be binding on all the creditors or class of
        creditors, and/or on all the stockholders or class of
        stockholders, of this corporation, as the case may be, and also on
        this corporation.

             NINTH.  The corporation reserves the right to repeal, alter
        or amend this certificate of incorporation in the manner now or
        hereafter prescribed by statute and this certificate of
        incorporation, and all rights conferred upon stockholders herein
        are granted subject to this reservation.  No repeal, alteration or
        amendment of this certificate of incorporation shall be made
        unless the same is first approved by the board of directors of the
        corporation pursuant to a resolution adopted by the affirmative
        vote of a majority of the directors then in office, and thereafter
        approved by the stockholders.  For the purposes of the foregoing
        sentence, and notwithstanding any other provisions of this
        certificate of incorporation or the by-laws of the corporation
        (and notwithstanding the fact that a lesser percentage may be
        specified by law, this certificate of incorporation or the by-laws
        of the corporation), the affirmative vote of the holders of at
        least sixty-six and two-thirds percent (66 2/3%) of the then
        outstanding shares of stock entitled to vote thereon (or such
        greater proportion as may be required by law), voting together as
        a single class, at a duly constituted meeting of stockholders
        called expressly for such purpose, shall be required to repeal,
        alter or amend any provision of, or adopt any provision
        inconsistent with, this Article NINTH, Sections B, C, D and E of
        Article FIFTH, Article SIXTH, or Article SEVENTH.

             The Amended and Restated Certificate of Incorporation has
        been duly adopted in accordance with Section 245 and Section 242
        of the General Corporation Law of the State of Delaware.



                                           ______________________________
                                           Jane V. Hawkes, Secretary


















                                       - 7 -







                                   EXHIBIT 10.8

                               EMPLOYMENT AGREEMENT

             THIS AGREEMENT is made effective as of March 1, 1996 (the
        "Commencement Date") by and between Cambridge Biotech
        Corporation, debtor and debtor in possession United States
        Bankruptcy Court for the District of Massachusetts, Western
        Division, Case Number 94-43054-JFQ, a Delaware Corporation,
        having a principal place of business at 365 Plantation Street,
        Worcester, Massachusetts ("CBC") and Stephen J. DiPalma, of
        Natick, MA 01760 ("Executive").

             WHEREAS, CBC has filed a petition under Chapter 11 of the
        United States Bankruptcy Code (the "Code");

             WHEREAS, CBC desires to employ Executive for the period and
        upon the terms and conditions provided in this Agreement; and

             WHEREAS, Executive desires to serve in the employ of CBC on
        a full-time basis upon the terms and conditions hereinafter
        provided.

             NOW, THEREFORE, in consideration of the mutual covenants
        herein contained, the parties hereto agree as follows:

             1.   Employment.  CBC hereby employs Executive, and
        Executive hereby accepts employment by CBC, for the period stated
        in Paragraph 3 hereof and upon the terms and conditions herein
        provided.

             2.   Position and Responsibilities; Principal Location.

             (a)  During the term of this Agreement, Executive will serve
        as Vice President, Chief Financial Officer and Treasurer, subject
        to election by the Board of Directors, reporting to the Chief
        Executive Officer.  Executive shall devote his primary energies,
        attention and abilities to the business of CBC and shall perform
        such duties as shall be assigned to him by the CEO.  Executive
        may not serve as a director of other companies without the prior
        approval of the Chief Executive Officer.

             (b)  The principal location at which Executive will perform
        his duties will be at CBC's principal offices in Worcester,
        Massachusetts or in a location not more than fifty (50) miles
        distant from Boston, Massachusetts.

             3.   Term of Employment.  The term of Executive's employment
        hereunder shall be for two years from the Commencement Date;
        provided, however, that thereafter the term shall be extended
        automatically to the date which is 180 days after either party
        shall deliver written notice to the other of such party's
        election not to extend the term of this Agreement.  The last day<PAGE>




        of such term, as may be extended from time to time, is herein
        sometimes referred to as the "Expiration Date."

             4.   Compensation and Benefits.  For all services rendered
        by Executive during his employment hereunder, CBC shall
        compensate Executive as follows:

             (a)  Salary.  CBC shall pay Executive a base salary of
        $125,000 per year, subject to increase from time to time in
        accordance with the usual practice of CBC with respect to review
        of compensation of its senior executives.  Executive's salary
        shall be payable in periodic installments in accordance with
        CBC's usual practice for its senior executives.

             (b)  Regular Benefits.  Executive shall be entitled to
        participate in any and all employee benefit plans, medical
        insurance plans, life insurance plans, disability income plans,
        retirement plans, bonus incentive plans and other benefit plans
        from time to time in effect for senior executives of CBC.  Such
        participation shall be subject to:  (i) the terms of the
        applicable plan documents; (ii) generally applicable policies of
        CBC; and (iii) the discretion of the Board or any administrative
        or other committee provided for in or contemplated by such plan.

             (c)  Business Expenses.  CBC shall reimburse Executive for
        all reasonable travel and other business expenses incurred by him
        in the performance of his duties and responsibilities, subject to
        such reasonable requirements with respect to substantiation and
        documentation as may be specified by CBC.

             (d)  Vacation.  Executive shall be entitled to paid vacation
        in accordance with the policies of CBC (but in no event less than
        three weeks per year), to be taken at such times and intervals as
        shall be determined by Executive with the approval of CBC, which
        approval shall not be unreasonably withheld.

             (d)  Bonus.  Executive shall be eligible to receive an
        annual bonus based upon achievement of corporate and individual
        objectives; the award of any bonus shall lie solely in the
        discretion of the Board of Directors.

             5.   Termination and Termination Benefits.  Notwithstanding
        the provisions of Paragraph 3, Executive's employment hereunder
        shall terminate under the following circumstances:

             (a)  Death.  In the event of Executive's death during his
        employment hereunder, CBC shall continue to pay an amount equal
        to Executive's base salary to Executive's beneficiary designated
        in writing to CBC prior to his death (or to his estate if he
        fails to make such designation) for a period of six (6) months
        after the date of Executive's death, at the salary rate in effect
        on the date of his death, said payments to be made on the same
        periodic dates as base salary payments would have been made to
        Executive had he not died.

                                      - 2 -<PAGE>




             (b)  Termination by CBC for Cause.  Executive's employment
        hereunder may be terminated by CBC for cause, without further
        liability on the part of CBC, effective immediately by notice to
        Executive stating the nature of such cause.  The following shall
        constitute "cause" for such termination.

                  (i)    Deliberate dishonesty of Executive with respect to
             CBC or any subsidiary or affiliate thereof; or

                  (ii)   Conviction of Executive of a crime involving moral
             turpitude; or

                  (iii)  The material failure by Executive to perform
             Executive's duties hereunder (other than any such failure
             resulting from the incapacity of Executive due to physical or
             mental illness) which failure continues for thirty (30) days
             after notice to Executive setting forth in reasonable detail
             the manner in which Executive has not performed Executive's
             duties; or

                  (iv)   Unlawful conduct pertaining to CBC or any of its
             affiliates or shareholders or involving a criminal act;
             material and conscious falsification or unauthorized
             disclosure of important records or reports; embezzlement or
             unauthorized conversion of property; violation of conflict of
             interest or vendor relations policies; or willful disclosure
             of significant trade secrets or other information likely to be
             used to the detriment of CBC.

             (c)  Termination by Executive for Cause.  Executive may
        terminate his employment hereunder without liability effective
        after thirty (30) days notice by Executive to CBC in the event of
        the material breach by CBC of this Agreement if such breach shall
        continue for more than thirty (30) days after notice to CBC setting
        forth in reasonable detail the nature of such breach.

             (d)  Termination by CBC Without Cause.  Executive's employment
        may be terminated without cause by CBC by thirty (30) days written
        notice to Executive.

             (e)  Certain Termination Benefits.  In the event of
        termination pursuant to Paragraphs 5(c) or 5(d), Executive shall be
        entitled to the following:

                  (i)    Base Salary.  For the period after the date of
             termination until the Expiration Date, CBC shall continue to
             pay Executive base salary at the rate in effect on the date of
             termination.

                  (ii)   Regular Benefits.

                         (A)  For the period subsequent to the date of
                  termination until the Expiration Date, Executive shall
                  continue to receive at CBC's expense all benefits

                                      - 3 -<PAGE>




                  described in Paragraph 4(b) existing on the date of
                  termination (except for any cash bonus plans which shall
                  be pro-rated through the date of termination), provided
                  that CBC's obligation to continue such benefits shall
                  cease on a benefit by benefit basis on that date, if any,
                  on which Executive is employed on a full-time basis and
                  Executive receives in connection with such employment
                  benefits which are substantially equivalent to CBC's
                  benefits.

                         (B)  For purpose of application of CBC's benefits,
                  Executive shall be treated, to the extent that applicable
                  law pertaining to the particular CBC benefit plan permits
                  CBC to do so, as if he had remained in the employ of CBC,
                  with a total annual salary at the rate in effect on the
                  date of termination and service or similar credits, if
                  any, will continue to accrue during such period as if
                  Executive had remained in the employ of CBC.

                         (C)  If in spite of the provisions of this clause
                  (ii), benefits or service credits under any benefit plan
                  shall not be payable or provided under any such plan to
                  Executive, or to Executive's dependents, beneficiaries or
                  estate, because Executive is no longer deemed to be an
                  employee of CBC, CBC itself shall pay or provide payment
                  of such benefits and service credits for such benefits to
                  Executive or to Executive's dependents, beneficiaries or
                  estate.

                         (D)  To the extent that applicable law does not
                  permit any CBC benefit referred to above to be provided,
                  paid, or funded through the applicable CBC benefit plan,
                  then CBC shall not be required to provide such benefit
                  through such plan and shall only be required to provide
                  in the case of a benefit the tax treatment of which is
                  enhanced by such plan an amount equal to what would have
                  been CBC's initial contribution to such plan and not the
                  equivalent benefit.

                  (iii)  Set-off.  CBC shall be entitled to set off against
             any cash compensation to be provided to Executive under
             Paragraph 5(e) above 50 percent of the amount of any cash
             compensation received by Executive from other employment
             during the period in which Executive received cash
             compensation under Paragraph 5(e).  Executive shall inform CBC
             of any such amounts of cash compensation and shall refund to
             CBC any amount which CBC has paid which exceeds the amounts
             due from CBC after application of the set-off provided for in
             this paragraph.  Notwithstanding the foregoing and any other
             provision of this Agreement, Executive shall be under no
             obligation to seek or accept any employment after termination
             of employment with CBC for any reason.



                                      - 4 -<PAGE>




             6.   Disability.

             (a)  If, due to physical or mental illness, Executive shall
        be disabled so as to be unable to perform substantially all of
        his duties and responsibilities hereunder, CBC may designate
        another executive to act in his place during the period of such
        disability.  Notwithstanding any such designation, Executive
        shall continue to receive his full salary and benefits under
        Paragraph 4 of this Agreement, unless his employment is
        terminated as provided in this Paragraph 6.

             (b)  If Executive shall become totally and permanently
        disabled, then CBC may terminate Executive's employment hereunder
        and shall continue to pay to Executive his full salary and
        provide him with the benefits he was receiving immediately prior
        to such termination for six months, provided that such salary
        shall be reduced by the amount of any disability insurance
        proceeds actually paid to Executive or for his benefit with
        respect to such period of time under any disability policy
        provided by CBC for Executive.

             (c)  The determination that by virtue of total and permanent
        disability Executive is unable to perform his duties hereunder
        shall be made by a physician chosen by CBC and reasonably
        satisfactory to Executive (or Executive's legal representative)
        and such determination shall be conclusive.  The cost of such
        examination shall be borne by CBC.  Executive shall be
        conclusively presumed to be totally and permanently disabled if
        for reasons involving physical or mental illness or injury
        Executive fails to perform his duties hereunder for a period of
        one hundred twenty (120) consecutive calendar days or for any
        periods aggregating one hundred twenty (120) days or more in any
        six (6) consecutive month period.  The date of termination of
        Executive's employment hereunder in the event of total and
        permanent disability shall be the earlier of such physicians's
        examination pursuant to which such determination is made or the
        first business day after which either such 120-day period or such
        six-month period has expired.

             7.   Non-competition, Confidential Information, and
                  Non-Solicitation.

             (a)  Non-competition.  Executive agrees that he will not at
        any time during the term of this Agreement and for a period of
        two (2) years following the termination of this Agreement for any
        reason, directly or indirectly, as a partner, officer, director,
        consultant, employee, stockholder or otherwise, engage in any
        employment, pursuit or association in which he shall have
        substantial responsibility with respect to products and/or
        services which are in direct competition with products and/or
        services of CBC, provided however, in any event the holding by
        Executive of any investment in any security shall not be deemed
        to be a violation of this Paragraph 7 if such investment does not


                                      - 5 -<PAGE>




        constitute more than 5% of the outstanding issue of such
        security.

             (b)  Confidential Information.  Executive will not disclose
        to any other person (except as required by applicable law or in
        connection with the performance of his duties and
        responsibilities hereunder), or use for his own benefit or gain,
        any confidential information of CBC obtained by his incident to
        his employment with CBC.  The term "confidential information"
        includes, without limitation, financial information, business
        plans, prospects and opportunities (such as lending
        relationships, financial product developments, possible
        acquisitions or dispositions of businesses of facilities),
        products, plans, intellectual property, analyses, projects,
        processes, marketing, research of development activities, and all
        technical or scientific information or know-how of CBC which have
        been discussed or considered by CBC but does not include any
        information which has become part of the public domain by means
        other than Executive's non-observance of his obligations
        hereunder.

             (c)  Non-solicitation.  Executive agrees that he will not at
        any time during the term of this Agreement and for a period of
        three (3) years following the termination of this Agreement for
        any reason, directly or indirectly, solicit or recruit any
        employee of CBC to serve as an employee of, consultant to, or
        partner of Executive or any entity.

             (d)  Relief; Interpretation.  Executive agrees that CBC
        shall be entitled to injunctive relief for any breach by him of
        the covenants contained in Paragraphs 7(a), (b), or (c).  In the
        event that any provision of this Paragraph 7 shall be determined
        by any court of competent jurisdiction to be unenforceable by
        reason of its being extended over too great a period of time, too
        large a geographic area, or too great a range of activities, it
        shall be interpreted to extend only over the maximum period of
        time, geographic areas, or range of activities as to which it may
        be enforceable.  For purposes of this Paragraph 7, the term "CBC"
        shall mean CBC and any of its subsidiaries.

             (e)  Survival.  Executive's obligations under this
        Paragraph 7 shall survive termination of this Agreement.

             8.   Conflicting Agreements.  Executive hereby represents
        and warrants that the execution of this Agreement and the
        performance of his obligations hereunder will not breach or be in
        conflict with any other agreement to which he is a party or is
        bound, and that he is not now subject to any covenants against
        competition or similar covenants which would affect the
        performance of his obligations hereunder.

             9.   Withholding.  All payments made by CBC under this
        Agreement shall be net of any tax or other amounts required to be
        withheld by CBC under applicable law.

                                      - 6 -<PAGE>




             10.  Arbitration of Disputes.  Any controversy or claim
        arising out of or relating to this Agreement or the breach
        thereof shall be settled by arbitration in accordance with the
        laws of the Commonwealth of Massachusetts by three arbitrators.
        The party initiating arbitration shall nominate one arbitrator in
        the request for arbitration and the other party shall nominate a
        second in the answer thereto within thirty (30) days of receipt
        of the request.  The two arbitrators so named will then jointly
        appoint the third arbitrator.  If the answering party fails to
        nominate its arbitrator within the thirty (30) day period, or if
        the arbitrators named by the parties fail to agree on the third
        arbitrator within sixty (60) days, then such arbitrator shall be
        appointed by the American Arbitration Association in the City of
        Boston.  Such arbitration shall be conducted in the City of
        Worcester, Massachusetts in accordance with the rules of the
        American Arbitration Association, except with respect to the
        selection of arbitrators which shall be provided in this
        Paragraph 10.  Judgment upon the award entered by the arbitrators
        may be entered in any court having jurisdiction thereof.

             11.  Assignment; Successors and Assigns, etc.  Neither the
        employer nor Executive may make any assignment of this Agreement
        or any interest herein, by operation of law or otherwise, without
        the prior written consent of the other party; provided, however,
        that CBC may assign its rights under this Agreement without the
        consent of Executive in the event CBC shah hereafter consolidate
        with or merge into any other person, or transfer all or
        substantially all of its properties or assets to any other
        person.  In the event of the Executive's death prior to the
        completion by CBC of all payments due him under this Agreement,
        CBC shall continue such payments to the Executive's beneficiary
        designated in writing to CBC prior to his death (or to his
        estate, if he fails to make such designation).  This Agreement
        shall inure to the benefit of and be binding upon CBC and the
        Executive, their respective successors, executors,
        administrators, heirs and permitted assigns.

             12.  Enforceability.  If any portion or provision of this
        Agreement shall to any extent be declared illegal or
        unenforceable by a court of competent jurisdiction, then the
        remainder of this Agreement, or the application of such portion
        or provision in circumstances other than those as to which it is
        so declared illegal or unenforceable, shall not be affected
        thereby, and each portion and provision of this Agreement shall
        be valid and enforceable to the fullest extent permitted by law.

             13.  Waiver.  No waiver of any provision hereof shall be
        effective unless made in writing and signed by the waiving party.
        The failure of any party to require the performance of any term
        or obligation of this Agreement, or the waiver by any party of
        any breach of this Agreement, shall not prevent any subsequent
        enforcement of such term or obligation or be deemed a waiver of
        any subsequent breach.


                                      - 7 -<PAGE>




             14.  Notices.  All notices and other communications required
        or permitted hereunder shall be in writing and shall be
        delivered, mailed by first-class mail, postage prepaid, or sent
        by telex or facsimile with a mailed confirmation copy, addressed:

             (a)  If to CBC:
                                 Cambridge Biotech Corporation
                                 365 Plantation Street
                                 Worcester, MA 01605
                                 Attention:  Secretary
                                 Facsimile No: 508-797-4014

             (b)  If to Executive:
                                 Stephen J. DiPalma
                                 6 Eastleigh Lane
                                 Natick, MA 01760

        or such other addresses or facsimile numbers as shall be
        furnished in writing by either party and any such notice or
        communication shall be deemed to have been given in the case of
        notices or communications which have been delivered or sent by
        facsimile or telex an the date of delivery or sending provided
        such day is a business day and in the case of notices or
        communications which have been mailed on the second business day
        after the date mailed.

             15.  Amendment.  This Agreement may be amended or modified
        only by a written instrument signed by Executive and by a duly
        authorized representative of CBC.

             16.  Governing Law.  This is a Massachusetts contract and
        shall be construed under and be governed in all respects by the
        laws of the Commonwealth of Massachusetts without reference to
        its conflict of laws provisions.

             17.  Entire Agreement.  Except for the Invention and Non-
        Disclosure Agreement executed as of even date herewith, this
        Agreement constitutes the entire understanding between the
        parties with respect to the subject matter hereunder and
        supersedes and replaces all prior agreements, understandings,
        writings, and discussions between the parties.














                                      - 8 -<PAGE>




             IN WITNESS WHEREOF, this Agreement has been executed as a
        sealed instrument by CBC, by its duly authorized officers, and by
        the Executive, as of the date first above written.


        CAMBRIDGE BIOTECH CORPORATION



        By:  _/s/ Alison Taunton-Rigby_____
             Alison Taunton-Rigby
             President and CEO


        By:  /s/ Stephen J. DiPalma _______
             Stephen J. DiPalma







































                                      - 9 -






                                   EXHIBIT 10.11






                                       LEASE


                                      between


                          AQUILA BIOPHARMACEUTICALS, INC.


                                     Landlord


                                        and


                              BIOMERIEUX VITEK, INC.


                                      Tenant
















                             Dated:  October 22, 1996<PAGE>






                                 TABLE OF CONTENTS


        Section                                                      Page

        Table of Contents.............................................  i
         1. Introductory Provisions...................................  1
            (a) Fundamental Lease Provisions..........................  1
            (b) References and Conflicts..............................  2
            (c) Exhibits..............................................  2
         2. Premises..................................................  2
            (a) Leased Premises.......................................  2
            (b) The Property..........................................  2
            (c) Tenant's Proportionate Share..........................  3
         3. Term and Acceptance by Tenant.............................  3
            (a) Lease Term............................................  3
            (b) Renewal Option........................................  3
            (c) Acceptance of Leased Premises.........................  5
            (d) Permits...............................................  5
         4. Rent......................................................  5
            (a) Minimum Annual Rent...................................  5
            (b) Additional Rent.......................................  5
                  (i) General.........................................  5
                 (ii) Real Estate Taxes...............................  6
                (iii) Insurance.......................................  7
                 (iv) Utility Expenses Not Separately Metered.........  9
                  (v) Landlord's Enforcement Costs....................  9
            (c) Payment of Rent.......................................  9
         5. Use ...................................................... 10
            (a) Use................................................... 10
            (b) Compliance With Laws, Fire Insurance, Condition of
                Leased Premises....................................... 10
         6. Common Areas.............................................. 11
            (a) Common Areas Defined.................................. 11
            (b) Landlord's Control.................................... 11
            (c) Parking Spaces........................................ 12
         7. Rules and Regulations..................................... 12
         8. Utilities................................................. 12
         9. Landlord's Right of Entry................................. 12
        10. Maintenance and Repair.................................... 12
            (a) Tenant's Responsibility............................... 12
            (b) Landlord's Responsibility............................. 13
        11. Alternations or Improvements by Tenant.................... 14
        12. Surrender................................................. 14
        13. Tenant Holding Over....................................... 15
        14. Assignment and Subletting................................. 15
            (a) Assignment by Tenant.................................. 15
            (b) Assignment by Landlord................................ 17
        15. Bankruptcy................................................ 17
        16. Default................................................... 18
        17. Landlord's Rights Upon Tenant's Default................... 18


                                       - 2 -<PAGE>




        18. Lender Requirements....................................... 20
            (a) Subordination......................................... 20
            (b) Attornment............................................ 20
            (c) Notice to Mortgagee Upon Landlord's Default........... 21
        19. Estoppel Certificates..................................... 21
        20. Damage by Fire or Other Casualty.......................... 21
            (a) Restoration........................................... 21
            (b) Termination........................................... 22
            (c) Lender's Approval..................................... 23
        21. Condemnation.............................................. 23
        22. Landlord's Liability...................................... 24
        23. Tenant's and Landlord's Liability......................... 24
        24. Indemnity................................................. 24
            (a) By Tenant............................................. 24
            (b) By Landlord........................................... 24
        25. Tenant's Insurance........................................ 25
            (a) Coverages............................................. 25
                  (i) Comprehensive Liability......................... 25
                 (ii) All-Risk Casualty............................... 25
                (iii) Workers' Compensation........................... 25
            (b)  Policy Requirements.................................. 25
            (c)  No Limitation of Liability........................... 26
        26. Waiver of Subrogation..................................... 26
        27. No Liens Permitted; Discharged............................ 26
        28. Signs, Awnings and Canopies............................... 27
        29. Environmental Protection.................................. 27
        30. Notices................................................... 28
        31. Time ..................................................... 28
        32. Postponement of Performance............................... 29
        33. Brokers................................................... 28
        34. No Waiver................................................. 29
        35. Amendments................................................ 29
        36. Applicable Law............................................ 29
        37. Transfer of the Property.................................. 29
        38. Option to Purchase........................................ 30
        39. Option on Additional Space................................ 31
        40. Procedure to Require Purchase or Termination of Option.... 31
        41. Waiver of Counterclaim and Trail by Jury/Attorneys Fees... 31
        42. Separability.............................................. 32
        43. Corporate Authority....................................... 32
        44. Interpretation............................................ 32
            (a)  Captions............................................. 32
            (b)  Gender............................................... 32
            (c)  Covenants............................................ 32
            (d)  Interpretation....................................... 32
        45. Landlord's Agreement re: Contract of Sale of the
            Property.................................................. 32
        46. Reasonableness of Expenses................................ 33
        47. Limits of Landlord's Liability............................ 33
        48. Binding Effect............................................ 33
        49. Recording................................................. 33




                                       - 3 -<PAGE>





                                  LEASE AGREEMENT


             THIS LEASE is made as of this 22nd day of October, 1996, by
        and between Aquila Biopharmaceuticals, Inc. (the "Landlord"), with
        a business and mailing address of 365 Plantation Street,
        Worcester, Massachusetts 01605, and bioMerieux Vitek, Inc., a
        Missouri Corporation, (the "Tenant"), with a business and mailing
        address of 595 Anglum Drive, Hazelwood, Missouri 63242-2395.  

                                    WITNESSETH:

             For and in consideration of the covenants herein contained
        and upon the terms and conditions herein set forth, the parties
        agree as follows:

             1.   Introductory Provisions.

                  (a)  Fundamental Lease Provisions.  Certain Fundamental
        Lease provisions are presented in this Section in summary form
        solely to facilitate convenient reference by the parties hereto:

                  (1)  Leased Premises

                       3  Taft Court
                       1500 East Gude Drive
                       Rockville, Maryland

                  (2)  Gross Leasable Area

                        2,000 square feet at 3  Taft Court and 
                       38,543 square feet at 1500 E. Gude Drive

                  (3)                           1500 E. Gude   3  Taft
                                                    Drive       Court  

                   A. Proportionate Share -           85%         8%
                   B. R.E. Proportionate Share -      85%        34%
                   C. Insurance Proportionate Share - 85%        34%

                  (4)  Rent Commencement Date   October 22, 1996

                  (5)  Expiration Date -        Tenth Anniversary of the
                                                Rent Commencement Date

                  (6)  Minimum Annual Rent

                       Lease Year 1-3      $466,244.50 per year
                       Lease Year 4-7      $506,787.50 per year
                       Lease Year 8-10     $547,330.50 per year




                                       - 4 -<PAGE>




                  (7)  Basic Monthly Rent

                       Lease Year 1-3      $38,853.71 per month
                       Lease Year 4-7      $42.232.29 per month
                       Lease Year 8-10     $45,610.88 per month

                  (8)  Tenant's Use Clause -    Manufacturing; general
                                                office, research and
                                                development, and uses
                                                incidental thereto


                  (b)  References and Conflicts.  Each reference in this
        Lease to any of the fundamental Lease provisions contained in
        Section 1(a) shall be construed to incorporate all of the terms
        provided for under such provisions, and such provisions shall be
        read in conjunction with all other provisions of this Lease
        applicable thereto.  If there is any conflict between any of the
        fundamental Lease provisions set forth in Section 1(a) and any
        other provisions of the Lease, the latter shall control.

                  (c)  Exhibits.  The following drawings and special
        provisions are attached hereto as exhibits and hereby made a part
        of this Lease:

             Exhibit A.     Description of Leased Premises 

             2.   Premises.

                  (a)  Leased Premises.  Landlord hereby leases to Tenant,
        and Tenant hereby rents from Landlord, certain premises (the
        "Leased Premises") situated at 1500 East Gude Drive and 3 1/2 Taft
        Court, Rockville, MD 20850 and as more fully described on Exhibit
        A, and as set forth on the floor plan (or site plan) attached
        hereto as Exhibit A-1, together with the non-exclusive right to
        use the common areas of the Property as more fully described in
        Section 7 hereof.  The Leased Premises shall consist of the agreed
        square footage of floor space as specified in Section 1(a)(2).

                  (b)  The Property.  The Leased Premises is (i) a part of
        improved real property owned by Landlord which is more fully
        described as "Lot 5, Block A, in the Red Gate Industrial Park
        Subdivision as shown on a plat thereof recorded in Plat Book 102,
        Plat 11503 among the Land Records of Montgomery County, Maryland"
        ("Parcel 1"), and (ii) "Lot numbered Nine (9) in Block lettered
        "B" in the subdivision known as "RED GATE INDUSTRIAL PARK" as per
        plat thereof recorded in Plat Book 114 at Plat 13548 among the
        Land Records of Montgomery County, Maryland, more commonly known
        as 1500 East Gude Drive, Rockville, Maryland 20850 ("Parcel 2").
        (Parcel 1 and Parcel 2 are sometimes collectively referred to
        herein as the "Property").  Landlord represents and warrants to
        Tenant that it is the owner in fee simple of the Property, subject
        to certain encumbrances, rights of way, easements, and other
        matters of record, none of which interfere with or adversely

                                       - 5 -<PAGE>




        affect the continued use and occupancy of the Leased Premises as
        contemplated herein.  Located on Parcel 1 is a portion of the
        Leased Premises, and a building known as 3 Taft Court, Rockville,
        Maryland currently leased to BTRL Contracts and Services, Inc.
        pursuant to a lease dated June 30, 1992.  The gross leasable area
        of the Property is specified in Section 1(a)(3) ("Gross Leasable
        Area" or "GLA").  The GLA of the Property shall be used
        hereinafter for purposes of Tenant's "Proportionate Share" (as
        hereinafter defined) of certain expenses payable to Landlord as
        "Additional Rent" (as hereinafter defined).  Landlord reserves the
        right to modify the GLA of the Property, and shall modify the GLA
        of the Property, from time to time during the Lease Term as a
        result of construction of new leasable improvements or the
        demolition of existing leasable improvements on the Property.
        Landlord's right to modify the GLA of the Property shall not be
        construed to provide Landlord with any right to modify the floor
        plan of the Leased Premises, or to deprive Tenant of the
        reasonable use of any portion of the parking areas or other common
        areas allocated to it.

                  (c)  Tenant's Proportionate Share.  Tenant's
        Proportionate Share of certain expenses hereinafter made payable
        to Landlord as Additional Rent is specified in Section 1(a)(4).
        Said computation is based upon the ratio of the total area of
        floor space in the Leased Premises to the GLA of the Property.
        The Proportionate Share shall be modified during the Lease Term in
        the event that the GLA of the Property is modified as described in
        Section 2(b) above.

             3.   Term and Acceptance by Tenant.

                  (a)  Lease Term.  The term of this Lease (sometimes
        herein called the "Lease Term") shall begin as of the date
        specified in Section 1(a)(5) ("Rent Commencement Date") and,
        unless sooner terminated as herein provided, continue thereafter
        through the date specified in Section 1(a)(6) ("Expiration Date").
        The period commencing with the Rent Commencement Date and ending
        on the last day of the twelfth (12th) full calendar month
        thereafter shall constitute the first "Lease Year" as such term is
        used herein.  Each successive full twelve (12) month period during
        the Lease Term shall constitute a "Lease Year".

                  (b)  Renewal Option.  Tenant may extend the original
        term of this Lease for two (2) consecutive additional terms of ten
        (10) Lease Years each by giving to Landlord notice of each such
        election at least one hundred eighty (180) days prior to the
        expiration of the original term or then renewal term hereof, as
        applicable; provided, however, that Tenant shall not have such
        right to extend if it shall then be in default under the terms of
        this Lease (at the time of election) or if this Lease shall have
        earlier expired or terminated, and that there shall only be two
        (2) such renewal terms.  The Minimum Annual Rent payable during
        each renewal term shall be a sum equal to the fair rental value
        (the "Fair Rental Value") of the Leased Premises on the date which

                                       - 6 -<PAGE>




        is one hundred eighty (180) days prior to the commencement date of
        said renewal term (such Fair Rental Value being determined by
        agreement between Landlord and Tenant), but in no event shall such
        Minimum Annual Rent be less than the Minimum Annual Rent payable
        by Tenant for the last Lease Year of the prior term or more than
        one hundred twenty-five percent (125%) of the Minimum Annual Rent
        payable by Tenant for the last Lease Year of the prior term.

                       If, at least five (5) months prior to the
        expiration of the then current term of this Lease, Landlord and
        Tenant are unable to agree upon said  Fair Rental Value for the
        next renewal term, either party may serve a written notice on the
        other party nominating and appointing an appraiser who shall have
        at least five years experience in real estate in the Rockville,
        Maryland area and in the case of the third appraiser shall not
        have acted in any manner for either Landlord or Tenant within four
        years of the appointment, and within fifteen (15) days thereafter
        the other party shall appoint an appraiser.  Upon the appointment
        of the two appraisers as hereinabove provided, said appraisers
        shall forthwith, and within fifteen (15) days after the
        appointment of the second appraiser, and before exchanging views
        to the question at issue, appoint in writing a third appraiser and
        give written notice of such appointment to each of the parties.
        In the event the two appraisers shall fail to appoint or agree
        upon third appraiser within said fifteen (15) day period, a third
        appraiser shall be selected by the parties themselves if they so
        agree upon such third appraiser within a further period of ten
        (10) days.  If any appraiser shall not be appointed or agreed upon
        within the time herein provided, then either party may apply to
        the appropriate Court of the State of Maryland having jurisdiction
        for appointment of such appraiser.  Said appraisers shall be sworn
        faithfully and fairly to determine the Fair Rental Value.  The
        three appraisers shall afford to the parties a hearing and the
        right to submit evidence, with the privilege of cross-examination,
        on the question at issue and shall, with all possible speed, make
        their determination in writing and shall give notice to the
        parties of such determination.  The concurring determination of
        any two of said three appraisers shall be binding upon the
        parties, or, in case no two of the three appraisers shall render a
        concurring determination, then the determination of the third
        appraiser appointed shall be binding upon the parties.  The fees
        and expenses of the appraisers shall be divided equally between
        the parties.

                       If Tenant shall have exercised an option to extend
        the term of this Lease within the time period herein provided,
        this Lease shall be deemed extended upon all of the then executory
        terms, covenants and conditions contained herein except that the
        Minimum Annual Rent payable during such extended term shall be as
        set forth above in this paragraph.  Time shall be of the essence
        as to any notice which may be given by Tenant under this
        paragraph.



                                       - 7 -<PAGE>




                  (c)  Acceptance of Leased Premises.  Tenant accepts
        possession of the Leased Premises in "as is" condition, Tenant
        expressly acknowledges and agrees that Landlord has made no
        representations or warranties with respect to the Leased Premises,
        and that no promises to alter, repair or improve the Leased
        Premises or the Property have been made by Landlord or its agents
        or employees, unless specifically set forth herein.
        Notwithstanding the foregoing, Landlord agrees that on the
        commencement date of the Lease the leaks in the roof and/or
        surrounding areas of the buildings on the property situated at
        1500 E. Gude Drive and 3  Taft Court shall be repaired, or that
        Landlord shall continue to use diligent efforts to remove the
        cause of any continuing or new leaks.  

                  (d)  Permits.  Tenant shall be responsible for obtaining
        any permits or licenses necessary, because of any change in
        Tenant's use of the Leased Premises from that use contemplated
        herein, for its lawful occupancy of the Leased Premises.  This
        requirement shall not relieve Tenant of its liability for the
        payment of Minimum Annual Rent and Additional Rent, and the
        performance of all other obligations contained herein, from and
        after the Rent Commencement Date, in the event that all of said
        approvals, permits and licenses have not been acquired prior
        thereto.

             4.   Rent.

                  (a)  Minimum Annual Rent.  The Minimum Annual Rent
        reserved hereunder in Section 1(a)(7) shall be payable by Tenant
        to Landlord during each Lease Year of the Lease Term in equal
        monthly installments of Basic Monthly Rent in the amounts set
        forth in Section 1(a)(8), due in advance, without notice or
        demand, and without set-off, deduction, recoupment or abatement of
        any kind except as otherwise set forth herein, on the Rent
        Commencement Date and the first (1st) day of each and every
        calendar month thereafter during the Lease Term.  In the event
        that the Rent Commencement Date occurs on a day other than the
        first day of a calendar month or the Lease Term ends on a day
        other than the last day of a calendar month, then the Basic
        Monthly Rent or Additional Rent for such partial month(s) shall be
        computed on a per diem basis by dividing the Basic Monthly Rent or
        Additional Rent by thirty (30) and multiplying it by the number of
        days in the partial calendar month.  Rent shall be paid to
        Landlord, or to such other person(s), or at such other address as
        Landlord may designate to Tenant from time to time.

                  (b)  Additional Rent.

                        (i) General.  Whenever it is provided by the terms
        of this Lease that Tenant is required to make any payment to
        Landlord other than a payment of Minimum Annual Rent, such payment
        shall be deemed to be a payment of additional rent ("Additional
        Rent").  Unless otherwise expressly specified herein, Additional
        Rent shall be paid by Tenant with the next installment of Basic

                                       - 8 -<PAGE>




        Monthly Rent thereafter falling due.  Additional Rent shall
        include, but not be limited to:

                       (ii) Real Estate Taxes.  Commencing upon the first
        day of the first month of the Lease, and thereafter on the first
        day of each calendar month throughout the Lease Term, Tenant shall
        pay to Landlord, without notice or demand therefor (other than the
        annual notice of Landlord's estimate of Tenant's R.E.
        Proportionate Share of the Real Estate Taxes and a copy of the tax
        bills as described in the following paragraph of this section),
        and without any deduction whatsoever, one-twelfth (1/12) of its
        R.E. Proportionate Share of Landlord's good faith estimate of the
        Real Estate Taxes to be incurred by Landlord on the Property
        during that tax year (prorated, if necessary, if the remainder of
        the Lease Term constitutes less than the full tax year).  Tenant's
        obligation to pay its R.E. Proportionate Share of the Real Estate
        Taxes incurred during the Lease Term shall survive the expiration
        or other termination of the Lease.

             The term "Real Estate Taxes" shall mean all taxes and
        assessments, general and special, ordinary and extraordinary,
        foreseen and unforeseen, now or hereafter assessed, levied or
        imposed upon the Property, including both the land and the
        improvements which are built thereon, including, without
        limitation, front foot benefit charges and adequate public
        facility costs and assessments, together with (i) any tax,
        assessment, or other imposition in the nature of a real estate
        tax, (ii) any ad valorem tax on rent or any tax on income if
        imposed in lieu of or in addition to real estate taxes and
        assessments, and (iii) any taxes and assessments which may
        hereafter be substituted for real estate taxes, including by way
        of illustration only, any tax, assessment or other imposition
        (whether a business rental or other tax) now or hereafter levied
        upon Landlord for a tenant's use or occupancy of or conduct of
        business on the Property, or a tenant's improvements to or
        furniture, fixtures or equipment on the Property.  Real Estate
        Taxes shall also include all reasonable costs incurred by Landlord
        in contesting the validity or amount of any such taxes.  Real
        Estate Taxes shall not include transfer, inheritance, capital
        stock or income taxes or other similar personal tax of Landlord,
        nor any late charges, penalties or interest, incurred due to
        untimely payments by Landlord in connection with said tax.

             Within fifteen (15) days after Landlord's receipt from the
        taxing authority of the Real Estate Tax bills for the fiscal 1997
        tax year and for each tax year thereafter during the Lease Term,
        Landlord shall deliver to Tenant a copy of such tax bills,
        together with a statement showing Tenant's R.E. Proportionate
        Share of the actual Real Estate Taxes due for said tax year and
        the amount of payments made by Tenant based upon the estimate
        thereof.  Tenant shall pay Landlord, within thirty (30) days of
        Tenant's receipt of such statement, Tenant's R.E. Proportionate
        Share of the excess, if any, of the Real Estate Taxes for such tax
        year over the estimated costs thereof.  If the amount paid by

                                       - 9 -<PAGE>




        Tenant as Tenant's R.E. Proportionate Share of the estimated Real
        Estate Taxes for such tax year exceeded Tenant's R.E.
        Proportionate Share of actual Real Estate Taxes for such tax year,
        the excess shall be credited toward payment of the next
        installment of Basic Monthly Rent to be paid by Tenant after
        Tenant receives said statement from Landlord.  If the amount paid
        by Tenant for the last tax year of the Lease Term exceeds Tenant's
        R.E. Proportionate Share of actual Real Estate Taxes for such tax
        year, Landlord shall pay Tenant the excess amount within thirty
        (30) days after Landlord's submission to Tenant of the aforesaid
        statement for such tax year.

             Upon Tenant's written request, Landlord will contest, at
        Tenant's expense, the validity or amount of any such Real Estate
        Tax.  Tenant shall be entitled to its R.E. Proportionate Share of
        any refund or reduction.  

             Tenant shall receive a credit for the amount of any expenses
        it paid which resulted in a refund or reduction applicable to the
        rest of the Property.

             Landlord shall deposit and thereafter hold in escrow, until
        disbursement, the funds received from Tenant pursuant to this
        section in an interest bearing, federally insured account.  All
        interest earned on said account shall be credited to Tenant and
        shall be used in the adjustments to Tenant's payments made
        hereunder from time to time during the lease Term so that Landlord
        collects only such monies as are necessary to pay Tenant's R.E.
        Proportionate Share of said Real Estate Taxes.

             In addition to Tenant's obligation for the payment of its
        R.E. Proportionate Share of the Real Estate Taxes, Tenant shall be
        liable for, and shall pay before delinquency, all taxes levied
        against any personal property or trade fixtures placed by Tenant
        in or about the Leased Premises.

                      (iii) Insurance.  Commencing upon the Rent
        Commencement Date and thereafter throughout the Lease Term, Tenant
        shall pay to Landlord without notice or demand therefor and
        without any deduction whatsoever, its Insurance Proportionate
        Share of the premium cost of the casualty insurance, liability
        insurance, rent loss insurance, and other reasonable and necessary
        form of insurance carried by Landlord with respect to the Property
        ("Insurance Cost") during any policy year; provided, however, that
        if the adjacent building on Parcel 1 is demolished during the
        Lease Term, then commencing upon such demolition and for so long
        as the Leased Premises constitutes one hundred percent (100%) of
        the leasable improvements on the Property, Tenant shall be
        obligated to pay one hundred percent (100%) of the Insurance Cost.

             Not less than ten (10) days before the Rent Commencement
        Date, Landlord shall deliver to Tenant a written statement, with
        supportive documentation of Landlord's estimate of the amount of
        the Insurance Cost for the then current policy year, and Tenant's

                                      - 10 -<PAGE>




        Insurance Proportionate Share of such Insurance Cost.  On the Rent
        Commencement Date, and on the first day of each month thereafter
        throughout the Lease Term, Tenant shall pay one-twelfth (1/12) of
        Tenant's Insurance Proportionate Share of Landlord's estimate,
        with supportive documentation of the Insurance Cost for the then-
        current policy year, as shown on Landlord's estimate.  Landlord
        shall submit its estimate of the Insurance Cost for the
        forthcoming policy year and Tenant's Insurance Proportionate Share
        thereof at the Commencement of each such policy year, and Tenant's
        monthly payments made after its receipt of such estimate shall be
        in the amount of one-twelfth (1/12) of the amount of Tenant's
        Insurance Proportionate Share of Insurance Cost as shown on such
        estimate.  Landlord may revise its estimate of the Insurance Cost
        at any time during a policy year by notice to Tenant, setting
        forth such revised estimate, with supportive documentation and
        Tenant's Insurance Proportionate Share thereof.  In such event,
        all monthly payments made by Tenant after such notice shall be in
        an amount calculated on the basis of such revised estimate.
        Tenant shall, in all cases, continue to make monthly payments of
        Insurance Cost based on the last estimate received from Landlord
        until it receives a revised or updated estimate.

             After the end of each policy year, Landlord will as soon as
        practicable submit to Tenant a statement of the actual Insurance
        Cost for such policy year and Tenant's Insurance Proportionate
        Share thereof.  Landlord shall cause its insurance carrier,
        whenever practical, to issue policies of insurance covering the
        Leased Premises which are separate and apart from all other
        properties owned by Landlord, in which event Tenant's
        Proportionate Share of Insurance Cost shall be the full cost
        payable pursuant to said separate policy.  Where such separate
        policies cannot be issued practically, Landlord shall cause its
        insurance carrier to provide a written statement identifying the
        manner in which all premiums paid by Landlord are allocated to
        reflect the portion thereof attributable to the insurance carried
        on the Leased Premises and the portion thereof attributable to the
        insurance carried on other properties owned by Landlord.  Tenant
        shall pay Landlord, within thirty (30 days of Tenant's receipt of
        such statement, Tenant's Insurance Proportionate Share of the
        excess, if any, of Insurance Cost for such policy year over the
        projected Insurance Cost.  If the amount paid by Tenant as
        Tenant's Insurance Proportionate Share of the estimated Insurance
        Cost for such policy year exceeded Tenant's Insurance
        Proportionate Share of actual Insurance Cost for such policy year,
        the excess shall be credited toward payment of the next
        installment of Basic Monthly Rent to be paid by Tenant after
        Tenant receives said statement from Landlord.  If the amount paid
        by Tenant for the last policy year of the Lease Term exceeds
        Tenant's Insurance Proportionate Share of actual Insurance Cost
        for such year, Landlord shall pay Tenant the excess amount within
        thirty (30) days after Landlord's submission to Tenant of the
        aforesaid Insurance Cost statement for such policy year.



                                      - 11 -<PAGE>




             Landlord shall deposit and thereafter hold in escrow, until
        disbursement, the funds received from Tenant pursuant to this
        section in an interest bearing, federally insured account.  All
        interest earned on said account shall be credited to Tenant and
        shall be used in the adjustments to Tenant's payments made
        hereunder from time to time during the Lease Term so that Landlord
        collects only such monies an are necessary to pay Tenant's
        Insurance Proportionate Share of said Insurance Cost.

             Landlord agrees that, at all times during the Lease Term, it
        shall carry casualty insurance and liability insurance in such
        form and in such amounts which are consistent with good business
        practice and generally comparable to the coverage of casualty
        insurance policies and liability insurance policies carried by
        landlord's owning commercial buildings located in Montgomery
        County, Maryland that are similar to the Leased Premises.

                       (iv) Utility Expenses Not Separately Metered.

                            (aa) Throughout Lease Term, Tenant agrees to
        pay to Landlord, as Additional Rent, Tenant's Proportionate Share
        of all water usage charges, exterior electric lighting charges,
        and any other utility charges ("Shared charges") not separately
        metered (and only for so long as each is not separately metered)
        for each of the Leased Premises and the common areas of the
        Property.

                            (bb) Upon receipt of each billing for Shared
        charges, Landlord will as soon as practicable submit to Tenant a
        statement of Shared Charges incurred for the preceding billing
        period.  Tenant shall pay Landlord, within thirty (30) days of
        Tenant's receipt of such statement, Tenant's Proportionate Share
        of Shared Charges.

                        (v) Landlord's Enforcement Costs.  Additional Rent
        shall include any and all expenses incurred by Landlord, including
        reasonable attorneys' fees, for the collection of monies due from
        Tenant and the enforcement of Tenant's obligations under the
        provisions of this Lease.  In the event Minimum Annual Rent or
        Additional Rent is not paid within fifteen (15) business days of
        its due date, Landlord, at its sole option, may assess a late
        charge equal to two percent (2%) of the amount of the delinquent
        Basic Monthly Rent and Additional Rent as compensation for the
        additional administrative costs incurred by Landlord as a result
        of such late payment.

                       (c)  Payment of Rent.  Any Minimum Annual Rent or
        Additional Rent which is not paid within ten (10) business days
        after the same is due shall bear interest ("Penalty Rate") at one
        percentage (1%) point above the prime rate of interest published
        in the Wall Street Journal or a successor or similar financial
        publication existing from time to time and adjusted each day the
        prime rate is redetermined to reflect the change in said prime
        rate of interest, from the due data until the date received by

                                      - 12 -<PAGE>




        Landlord.  Any payments of Minimum Annual Rent or Additional Rent
        by Tenant or acceptance by Landlord of a lesser amount than shall
        be due from Tenant to Landlord shall be treated as a payment on
        account.  The acceptance by Landlord of a check for a lesser
        amount with an endorsement or statement thereon, or upon any
        letter accompanying such check, that such lesser amount is payment
        in full, shall be given no affect, and Landlord may accept such
        check without prejudice to any other rights or remedies which
        Landlord may have against Tenant.  If Landlord receives from
        Tenant two (2) returned or "bounced" checks in any one Lease Year,
        Landlord may require all future Rent by cashier's or certified
        check.

             5.   Use.

                  (a)  Use.  Tenant shall use the Leased Premises for the
        purposes specified in Section 1(a) 9) , and for no other purpose.

                  (b)  Compliance With Laws, Fire Insurance, Condition of
        Leased Premises.  Tenant shall not do, or permit anything to be
        done in the Leased Premises or on the Property, or bring or keep
        anything therein, which will in any way invalidate or conflict
        with fire insurance policies on the Property, including, but not
        limited to all improvements, the Property's fixtures and personal
        property kept therein, or obstruct or interfere with the rights of
        the Landlord or of other tenants of the Property, or in any other
        way injure or annoy Landlord or such other tenants, or subject
        Landlord to any liability for injury to persons or damage to
        property, or interfere with the good order of the Property as
        determined by Landlord in its reasonable discretion.  Tenant shall
        refrain or discontinue said use immediately upon receipt of
        written notice from Landlord requiring such action.  Tenant, at
        its expense, shall comply with all present and future laws, rules
        or regulations of any federal, state or municipal authority, or
        the Maryland Fire Underwriters Rating Bureau, or with any notice
        from any public officer pursuant to law pertaining to Tenant's
        occupancy or use of the Leased Premises, whether such notice shall
        be served on Landlord or Tenant provided Tenant shall have no
        obligation to make any structural changes to the Leased Premises.
        Tenant agrees to indemnify, defend, and hold Landlord harmless
        from all liability, damage, cost, and expense (including, without
        limitation, court costs and reasonable attorneys fees) resulting
        from any injury to persons or damage to property occurring in or
        around the Leased Premises, occasioned by any act or omission of
        Tenant, Tenant's agents, contractors, servants, employees,
        invitees or licensees.  Tenant agrees that any increases of fire
        insurance premiums on the Leased Premises or contents caused by
        the occupancy of Tenant and any expenses or costs incurred in
        consequence of negligence or carelessness or the willful action of
        Tenant, Tenant's employees, agents, contractors, servants,
        invitees, or licensees shall be deemed Additional Rent and paid by
        Tenant to Landlord as they accrue.



                                      - 13 -<PAGE>




             6.   Common Areas.

                  (a)  Common Areas Defined.  In this Lease, "common
        areas" means all areas, facilities and improvements provided, from
        time to time, on the Property for the mutual convenience and use
        of all tenants or other occupants of the Leased Premises and the
        adjacent building, their respective agents, employees, and
        invitees, and shall include, if provided, but are not limited to,
        parking areas and facilities, access roads, driveways, retaining
        walls, sidewalks, walkways, landscaped areas, and exterior
        lighting facilities.

                  (b)  Landlord's Control.  Landlord shall, as between
        Landlord and Tenant, at all times during the Lease Term have the
        sole and exclusive control, management and direction of the common
        areas, and may, at any time and from time to time during the Lease
        Term, exclude and restrain any person from use or occupancy
        thereof, excepting, however, Tenant and other tenants of Landlord
        and bona fide invitees of either who make use of said areas in
        accordance with the rules and regulations established by Landlord
        from time to time with respect thereto.  The rights of Tenant in
        and to the common areas shall at all times be subject to the
        rights of others to use the same in common with Tenant, and it
        shall be the duty of Tenant to keep all of said areas free and
        clear of any obstructions created or permitted by Tenant or
        resulting from Tenant's operation.  Landlord may at any time and
        from time to time (i) close all or any portion of the common areas
        to make repairs or changes, (ii) close all or any portion of the
        common areas to such extent as may, in the opinion of Landlord, be
        necessary to prevent a dedication thereof or the accrual of any
        rights to any person or to the public therein, and (iii) do and
        perform such other acts in and to said areas as, in the exercise
        of good business judgment, Landlord shall determine to be
        advisable with a view to the improvement of the convenience and
        use thereof by tenants, their employees, agents, and invitees,
        provided Landlord shall do so with a minimum of interference with
        Tenant's use and enjoyment thereof.  Landlord shall at all times
        have the right and privilege of determining the nature and extent
        of the common areas, and of making such changes, rearrangements,
        additions or reductions therein and thereto from time to time
        which in its opinion are deemed to be desirable and for the best
        interest of all persons using the common areas or which are as a
        result of any federal, state or local environmental protection or
        other law, rule, regulation, guideline or order, provided Landlord
        shall do so with a minimum of interference with Tenant's use and
        enjoyment thereof.  The purpose of the site plans attached hereto
        as Exhibit A is to show the approximate locational relationship of
        the Leased Premises to the adjacent building and to the common
        areas as of the Rent Commencement Date.  Nothing described in
        Exhibit A shall limit or prevent Landlord from affecting any
        change or alteration to the Property as described in this
        paragraph, provided Landlord shall do so with a minimum of
        interference with Tenant's use and enjoyment thereof.  Nothing
        contained in this Section shall give Landlord the right to impose

                                      - 14 -<PAGE>




        restrictions on the use and enjoyment of the common areas by
        Tenant, or to make modifications to the common areas, in a way to
        cause Tenant to be unable to use the Leased Premises and the
        common areas in a reasonable manner for the purposes originally
        contemplated by this Lease.

                  (c)  Parking Spaces.  During the Lease Term, Tenant
        shall have the exclusive right to the use of [parking spaces] at
        no additional cost.

             7.   Rules and Regulations.  Tenant agrees to comply with and
        observe any reasonable rules and regulations promulgated by
        Landlord, which may be supplemented or amended from time to time
        by Landlord.  Tenant's failure to keep and observe said rules and
        regulations shall constitute a breach of the terms of this Lease
        in the same manner as if the same were contained herein as
        covenants.

             8.   Utilities.  Tenant shall be solely responsible for and
        shall promptly pay any and all utility charges including but not
        limited to electricity, water, fuel, gas, and telephone (including
        equipment and installation charges) used in, consumed at, or
        supplied to the Leased Premises.  Tenant shall immediately
        transfer all separately metered utility accounts for the Leased
        Premises into its own name on the Rent Commencement Date.  Tenant
        shall pay to Landlord, as Additional Rent, its Proportionate Share
        of any and all bills for utility charges which are not separately
        metered in the or described in Section 4(b)(iv) hereof.

             9.   Landlord's Right of Entry.  Landlord, and its agents,
        shall have the right, upon prior notice to Tenant and during
        reasonable business hours during the Lease Term (except in the
        case of an emergency involving damage to person or property), to
        enter upon the Leased Premises to examine the same, or to make
        such repairs, alterations or improvements, as Landlord may deem
        necessary or proper, or to remove any alteration or improvement
        which is in violation of the provisions of this Lease, provided,
        however, Landlord shall not adversely interfere with Tenant's
        business operations in a material manner.  Landlord reserves the
        right to show the Leased Premises to prospective tenants or
        brokers during the last ninety (90) days of the Lease Term, and to
        show the Leased Premises to prospective purchasers and lenders at
        all reasonable times, provided that reasonable prior verbal notice
        is given to Tenant in each case and that Tenant's use and
        occupancy of the Leased Premises shall not be materially
        inconvenienced by any such action of Landlord.

             10.  Maintenance and Repair.

                  (a)  Tenant's Responsibility.  Tenant shall maintain the
        Leased Premises in substantially the same good order and condition
        as it is on the commencement of the Lease Term and shall return
        the Leased Premises to Landlord in such condition at the
        Expiration Date or at the earlier termination of this Lease,

                                      - 15 -<PAGE>




        ordinary wear and tear excepted.  Except as obligations to repair
        are expressly delegated to Landlord as described in Section 10(b)
        below, Tenant shall be responsible for the full cost of all
        maintenance and repairs of (i) the Leased Premises, including but
        not limited to the doors, door jambs, windows, window casings and
        sills, screens, floor coverings, walls (excluding load bearing
        structures), and ceilings located in the Leased Premises and all
        pipes, gutters, downspouts, wires, conduits and other equipment
        and fixtures located in the Leased Premises.  Tenant, at its
        expense, shall perform routine maintenance and repair and
        replacement of the plumbing, electrical, heating, ventilating and
        air-conditioning systems, and all other systems and equipment,
        serving the Leased Premises. Tenant will throughout the Lease Term
        obtain and keep in force a maintenance contract with a qualified
        service company to regularly inspect and perform maintenance
        services to the heating, ventilating and air-conditioning system
        serving the Leased Premises.  Tenant, at its expense, shall
        furnish Landlord with a copy of said maintenance contract, and of
        renewals or replacements thereof, promptly after the effective
        date thereof.  All repairs and maintenance required to be
        performed by Tenant at the Leased Premises shall be made or
        performed within a reasonable period of time upon the occurrence
        of the necessity therefor, and shall be made or performed in a
        workmanlike or, using first class materials, by a contractor duly
        licensed in the State of Maryland, and shall be made or performed
        in accordance with (i) all applicable federal, state and county
        governmental codes and regulations, and (ii) insurance
        requirements.  Tenant shall also be responsible for keeping all
        sidewalks and parking areas on that portion of the Property
        situated at 1500 E. Gude Drive free and clear of dirt, trash,
        debris, ice, snow, and any other obstructions; provided, however,
        that Landlord shall upon request promptly reimburse Tenant for the
        cost of any such services less Tenant's Proportionate Share of
        such services.  Tenant shall be responsible for Tenant's
        Proportionate Share of such services as pertain to 3  Taft Court
        which shall be performed by the tenant at 3 Taft Court.  Tenant
        shall keep its trash and garbage in enclosed containers in a trash
        holding area within the Leased Premises, and shall perform regular
        trash removal from such trash holding area.  Tenant shall also be
        responsible for the performance of regular, periodic post control
        services at the Leased Premises.  All glass, both exterior and
        interior, shall be maintained in the Leased Premises at the sole
        risk of Tenant, and Tenant agrees to replace any glass promptly at
        its sole expense in the event of breakage.

                  (b)  Landlord's Responsibility.  Except for any
        structural alterations or improvements made by Tenant, Landlord
        shall maintain in good order and repair the roof and the
        structural portions of the foundation, floors, stairwells,
        exterior walls, columns and other load bearing elements of the
        Leased Premises.




                                      - 16 -<PAGE>




             11.  Alterations or Improvements by Tenant.  Except for
        incidental painting and decoration of the interior of the Leased
        Premises and other minor alterations and improvements which do not
        affect the structure or utility systems of the Leased Premises,
        Tenant shall not make any alterations, additions, or improvements,
        structural or otherwise costing in excess of $50,000 (except
        Tenant may make non-structural alterations in Lease Year one
        costing up to $150,000 without Landlord's consent) (collectively,
        "Alterations") in, on or to the Leased Premises, without the prior
        written consent of Landlord, which consent shall not be
        unreasonably withheld or delayed.  In connection with Landlord's
        review of such proposed alterations or improvements prior to
        giving its consent thereto, Landlord shall have the right to
        require that Tenant supply plans, specifications, working drawings
        and similar documents in reasonable detail which show the scope of
        work to be performed within the Leased Premises.  Landlord's
        approval of the plans, specifications and working drawings for
        Tenant's alterations and improvements shall create no liability on
        the part of Landlord for their completeness, design sufficiency,
        or compliance with all laws, rules, regulations or governmental
        agencies or authorities.  Any contractors employed by Tenant to
        perform Tenant's work (i) shall be qualified to perform such work
        and licensed in the State of Maryland and (ii) shall maintain any
        insurance which may be reasonably required by Landlord, and (iii)
        shall be bonded or otherwise reasonably satisfactory to Landlord.
        Subject to paragraph 5(b) hereof, Tenant will defend, indemnify
        and hold Landlord harmless from and against any and all expenses,
        liens, claims or damages, including attorneys' fees, for injury to
        person or property which may or might arise, directly or
        indirectly, by reason of the making of any Alterations.  If any
        Alterations are effected without the prior written consent of
        Landlord, Landlord may remove or correct the same and Tenant shall
        be liable for any and all expenses of this work.  All rights given
        to Landlord herein shall be in addition to any other right or
        remedy of Landlord contained in this Lease.  Tenant shall be
        obligated to make any and all Alterations and other improvements
        to the Leased Premises required by applicable federal, state and
        local law, in connection with the use of the Leased Premises by
        Tenant during the Leased Term.  Tenant hereby agrees that all
        Alterations made in, to, or on the Leased Premises shall, unless
        otherwise provided by written agreement or by the provisions of
        Section 12 below, be the property of Landlord and shall remain
        upon and be surrendered with the Leased Premises on the Expiration
        Date or other termination of this Lease.

             12.  Surrender.  Upon the Expiration Date or other
        termination of the Lease Terms, Tenant shall quit and surrender
        the Leased Premises to the Landlord in good order and condition,
        ordinary wear and tear excepted, and Tenant shall remove all of
        its personal property from the Leased Premises on or before the
        Expiration Date or other termination of this Lease.  Tenant's
        obligation to observe or perform the covenants described in this
        Section 12 shall survive the expiration or other termination of
        this Lese.  If Tenant does not remove Tenant's furniture, trade
        fixtures and all other items of personal property of every kind

                                      - 17 -<PAGE>




        and description from the Leased Premises as specified herein, then
        Landlord shall be permitted to remove, dispose or otherwise
        discard such property without further payment or credit by
        Landlord to Tenant.  Notwithstanding anything to the contrary
        contained in this Lease, Tenant shall have the right and the
        obligation, at the end of the Lease Term, to remove all built-in
        desks, cabinets, basins, emergency showers and other pieces of
        equipment which are affixed to the Leased Premises by Tenant.  In
        connection with the removal of said equipment, Tenant shall be
        obligated to stub pipes; bundle and cap wires; close ducts; repair
        and replace (as appropriate) flooring coverings, repair, replace,
        finish and repaint (as appropriate) walls, and perform all other
        acts which are necessary for the Leased Premises to be returned to
        Landlord in same good order and condition as exists of the Rent
        Commencement Date.

             13.  Tenant Holding Over.  If Tenant holds possession of the
        Leased Premises after the Expiration Date or other termination of
        this Lease, Landlord shall have the option, exercisable in writing
        within thirty (30) days after the date of termination as
        aforesaid, to treat Tenant as a trespasser, or as a tenant by the
        month.  If the Landlord fails to make such election then the
        Tenant shall be deemed a tenant by the month, commencing with the
        first day after the termination of the Lease at one hundred fifty
        percent (150%) of the Basic Monthly Rent paid during the last
        month of the Lease Term, and upon all the other terms of this
        Lease, including the provisions of this Section.  Said holdover
        term shall terminate upon thirty (30) days notice from one party
        to the other.  Nothing contained herein shall be construed within
        said thirty (30) days after the date of Lease termination as
        aforesaid as a consent by Landlord to the occupancy or possession
        of the Leased Premises by Tenant after the termination of the
        Lease, and Landlord, upon said termination, if Landlord elects to
        treat Tenant as a trespasser, shall be entitled to the benefit of
        all general or public laws relating to the speedy recovery of the
        possession of land and tenements held over by Tenant, whether now
        or hereafter in force and effect.  If Tenant fails to surrender
        the Leased Premises upon the expiration or other termination of
        this Lease despite demand to do so by Landlord, Tenant shall
        indemnify, defend, and hold Landlord harmless from all injury,
        loss, claims, expenses and liability, including without
        limitation, any claim made by any succeeding tenant and any
        attorneys' fees, founded on or resulting from such failure to
        surrender.

             14.  Assignment and Subletting.

                  (a)  Assignment by Tenant.  Tenant shall not assign,
        mortgage or encumber this Lease, or any right hereunder, nor
        sublet the Leased Premises or any part thereof, nor permit the
        Leased Premises to be used by others without the prior written
        consent of Landlord, which consent shall not be unreasonably
        withheld or delayed; provided that any such consent may be
        conditional upon Tenant's agreement that, any monthly rent or

                                      - 18 -<PAGE>




        other payment accruing to Tenant as the result of any such
        assignment, transfer or sublease, including any lump sum or
        periodic payment in any manner relating to such assignment,
        transfer or sublease, which is in excess of the Minimum Annual
        Rent and Additional Rent then payable by Tenant under the Lease
        shall be paid by Tenant to Landlord monthly as Additional Rent,
        excluding any reasonable expenses incurred by Tenant in connection
        with such assignment or subletting, e.g. legal fees and brokers'
        commissions.  Except as set forth herein, without prior written
        consent of Landlord, this Lease and the interest of Tenant, or any
        assignee of Tenant, shall not pass by operation of law, nor shall
        it be subject to garnishment or sale under execution in any suit
        or proceeding which may be brought against or by Tenant, or any
        assignee of Tenant.  No assignment of this Lease, sublease of all
        or any portion of the Leased Premises, or collection of rent from
        an assignee or subtenant (whether or not permitted by Landlord)
        shall relieve Tenant of its obligations hereunder.    Any
        reasonable costs and expenses, including reasonable attorneys'
        fees incurred by Landlord in connection with any proposed or
        purported assignment, transfer or sublease shall be borne by
        Tenant and shall be payable to Landlord as Additional Rent within
        five (5) days of demand therefor.

                  Notwithstanding anything herein to the contrary, Tenant
        shall have the right, without Landlord's prior written consent, to
        assign this Lease or sublet the Leased Premises to any parent
        corporation of Tenant, or to any subsidiary of any parent
        corporation of Tenant, subject to the following express
        conditions:

                   (i) No such assignment or sublease shall be deemed to
                       release Tenant from continuing liability for all of
                       Tenant's covenants and obligations under this
                       Lease; and

                  (ii) Any assignee or subtenant must expressly assume in
                       writing all of the covenants and obligations of
                       Tenant under this Lease, joint and severally with
                       Tenant.

                  Further, the provisions of this Section shall not apply
        to an assignment of this Lease (or to a sale or transfer of
        Tenant's stock) resulting from a merger, consolidation, corporate
        reorganization (other than pursuant to the bankruptcy laws), sale
        of the assets or other transfer of stock of Tenant:

                  Further, any issuance by Tenant of its capital stock in
        a public offering which is effected in compliance with the
        registration requirements of the Securities Act of 1933, as
        amended, and the rules and regulations thereunder, shall not be
        deemed to be a change in control or an assignment of this Lease
        requiring Landlord's consent.



                                      - 19 -<PAGE>




                  (b)  Assignment by Landlord.  It is expressly understood
        and agreed that this Lease and all rights of Landlord hereunder
        shall be fully and freely assignable by Landlord without notice
        to, or consent of, Tenant.  In the event of the transfer and
        assignment by Landlord of its interest in this Lease, Landlord
        shall thereby be released from any responsibility for the
        performance of obligations thereafter accruing hereunder, and
        Tenant agrees to look solely to such successor in interest of the
        Landlord for performance of such obligations.  Nothing contained
        herein shall prevent Tenant from looking to Landlord for the
        performance of obligations of which Landlord has actual knowledge
        and which predate the effective date of the transfer and
        assignment by Landlord of its interest in this Lease.  The term
        "Landlord" as used in this Lease shall mean the owner of the
        Leased Premises, at the time in question.  In the event of a
        transfer (whether voluntary or involuntary) by such owner of its
        interest in the Leased Premises, such owner shall thereupon be
        released and discharged from all covenants and obligations of the
        Lease thereafter accruing, but such covenants and obligations
        shall be binding during the Lease Term upon each new owner for the
        duration of such Owner's ownership.

             15.  Bankruptcy.

                  (a)  The following shall be Events of Bankruptcy under
        this Lease: (1) Tenant becoming insolvent, as that term is defined
        in Title 11 of the United States Code (the "Bankruptcy Code"), or
        under the insolvency laws of any state, district, commonwealth or
        territory of the United States (the "Insolvency Laws"); (2) the
        appointment of a receiver or custodian for any or all of Tenant's
        property or assets, or the institution of a foreclosure action
        upon any of Tenant's real or personal property; (3) the filing of
        a voluntary petition under the provisions of the Bankruptcy Code
        or Insolvency Laws by Tenant; (4) the filing of an involuntary
        petition against Tenant as the subject debtor under the Bankruptcy
        Code or Insolvency Laws, which either (A) is not dismissed within
        one hundred twenty (120) days of the date of filing, or (B)
        results in the issuance of an order for relief against the debtor;
        or (5) Tenant's making or consenting to an assignment for the
        benefit of creditors or a common law composition of creditors.

                  (b)  Upon occurrence of an Event of Bankruptcy, Landlord
        shall have all rights and remedies available to Landlord pursuant
        to Section 17; provided, however, that while a case in which
        Tenant is the subject debtor under the Bankruptcy Code is pending,
        Landlord shall not exercise its rights and remedies pursuant to
        Section 19 so long as (1) the Bankruptcy Code prohibits the
        exercise of such rights and remedies, and (2) Tenant or its
        Trustee in Bankruptcy (hereinafter referred to as "Trustee") (I)
        cures all defaults under this Lease, (ii) compensates Landlord for
        monetary damages incurred as a result of such defaults, (iii)
        provides adequate assurance of future performance on the part of
        Tenant as debtor in possession or on the part of the assignee


                                      - 20 -<PAGE>




        tenant, and (iv) complies with all other requirements of the
        Bankruptcy Code and this Lease.

             16.  Default.  Each of the following shall be deemed a
        default by Tenant and a material breach of this Lease:

                  (a)  An Event of Bankruptcy as defined in Section 15;

                  (b)  An assignment or encumbrance of Tenant's interest
                       in this Lease or the Leased Premises or a
                       subletting of any part of the Leased Premises in
                       violation of Section 14;

                  (c)  A failure by Tenant to make any payment of Minimum
                       Annual Rent or Additional Rent within five (5) days
                       of receipt of written notice that such payment was
                       not received on its due date (provided that
                       Landlord shall not be obligated to provide Tenant
                       with such written notice more than twice during any
                       twelve month period during the lease Term, and
                       after receipt of such second notice, Tenant shall
                       be deemed in default, without further notice, if
                       any such payment is not received by Landlord on its
                       due date);

                  (d)  Abandonment of the Leased Premises for more than
                       thirty (30) days; and

                  (e)  A failure by Tenant in the performance of any other
                       term, covenant, agreement or condition of this
                       Lease on the part of Tenant to be performed after
                       thirty (30) days notice, or if such default cannot
                       reasonably be cured within said thirty (30) days
                       period and Tenant does not commence to diligently
                       pursue the same within said thirty (30) day period
                       ad to continue to diligently pursue the same until
                       remedied.

        Landlord agrees that it shall not exercise any rights or remedies,
        which are available to it pursuant to the terms of Section 17, as
        a result of an event of default described in Section 16(b) or (d)
        above, unless and until Landlord has provided Tenant with a period
        of thirty (30) days after receipt of written notice thereof within
        which to cure such default.

             17.  Landlord's Rights Upon Tenant's Default.  Upon default
        by Tenant of any of the terms or covenants of this Lease, Landlord
        shall be entitled to remedy such default as follows:

                  (a)  Landlord shall have the right, immediately or at
        any time after said default, without further notice to Tenant
        (unless otherwise provided herein), to enter the Leased Premises,
        without terminating this Lease or being guilty of trespass, and do
        any and all acts as Landlord may deem necessary, proper or

                                      - 21 -<PAGE>




        convenient to cure such default, for the account and at the
        expense of Tenant, and Tenant agrees to pay to Landlord as
        Additional Rent all damage and/or expense incurred by Landlord in
        so doing, including interest at the Penalty Rate from the due date
        until the date payment is received by Landlord.  The making of
        such payment or the taking of such action by Landlord shall not be
        deemed to cure the default or to stop Landlord from the pursuit of
        any remedy to which Landlord would otherwise be entitled.

                  (b)  Landlord shall, following said default, have the
        right to terminate this Lease and/or Tenant's right to possession
        of the Leased Premises and remove Tenant, any occupant and any
        property therefrom, without being guilty of trespass and without
        relinquishing any rights of Landlord against Tenant.  Landlord
        shall be entitled to recover damages from Tenant in an amount
        equal to the amount herein covenanted to be paid as Minimum Annual
        Rent during the remainder of the Lease Term, said Minimum Annual
        Rent for the full term then remaining having been fully
        accelerated at the option of Landlord, together with (i) all
        reasonable expenses of any proceedings (including, but not limited
        to, legal expenses and attorney's fees) which may be necessary in
        order for Landlord to recover possession of the Leased Premises,
        (ii) the reasonable expenses of the re-renting of the Leased
        Premises (including, but not limited to, any commissions paid to
        any real estate agent, advertising expense and the costs of such
        alterations, repairs, replacements and decoration or re-decoration
        as Landlord, in its sole judgment reasonably exercised, considers
        advisable and necessary for the purpose of re-renting the Leased
        Premises), and (iii) interest computed at the Penalty Rate from
        the due date until paid; provided, however, that said damages
        shall be discounted to present value using a discount factor of
        5%, and further that there shall be credited against the amount of
        such damages all amounts received by Landlord from such re-renting
        of the Leased Premises and such amounts shall be refunded to
        Tenant.  No act or thing done by Landlord shall be deemed to be an
        acceptance of a surrender of the Leased Premises, unless Landlord
        shall execute a written agreement of surrender with Tenant.
        Tenant's liability hereunder shall not be terminated by the
        execution of a new lease of the Leased Premises by Landlord.  In
        the event Landlord does not exercise its option to accelerate the
        payment of Minimum Annual Rent as provided hereinabove, then
        Tenant agrees to pay to Landlord, upon demand, the amount of
        damages herein provided after the amount of such damages for any
        month shall have been ascertained; provided, however, that any
        expenses incurred by Landlord shall be deemed to be a part of the
        damages for the month in which they were incurred.  Separate
        actions may be maintained each month or at other times by Landlord
        against Tenant to recover the damages then due, without waiting
        until the end of the term of this Lease to determine the aggregate
        amount of such damages.





                                      - 22 -<PAGE>




                  (c)  Upon any default by Tenant to pay Minimum Annual
        Rent or Additional Rent, Landlord shall have a lien upon the
        property of Tenant in the Leased Premises for the amount of any
        unpaid Minimum Annual Rent or Additional Rent.  

                  (d)  All rights and remedies provided to either Landlord
        or Tenant herein as a result of a default by the other party shall
        be cumulative, and none shall exclude any other right or remedy
        allowed by law.  For the purposes of any suit brought or based
        hereon, this Lease shall be construed to be a divisible contract,
        to the end that successive actions may be maintained on this Lease
        as successive periodic sums mature hereunder.

             18.  Lender Requirements.

                  (a)  Subordination.  Tenant agrees that this Lease
        (including without limitation the option to purchase contained
        herein) is subject and subordinate to the lien of any existing
        mortgage or deed of trust which is a lien upon the Property or any
        part thereof on the Rent Commencement Date, and to all renewals,
        modifications, consolidations, replacements and extensions
        thereof, and to all advances made or hereafter to be made upon the
        security thereof.  Landlord agrees that it shall acquire from any
        such existing mortgagee or holder of an existing deed of trust a
        non-disturbance agreement in such lender's usual form for the
        benefit of Tenant.  Tenant agrees that this Lease (including
        without limitation the option to purchase contained herein) is and
        shall be subject and subordinate to the lien of any future
        mortgages or deeds of trust which at any time during the Lease
        Term may be made a lien upon the Property or any part thereof, and
        to all advances made or hereafter to be made upon the security
        thereof; provided that such subordination shall be effective only
        upon the delivery to Tenant of a non-disturbance agreement in such
        lender's usual form and reasonably satisfactory to Tenant for the
        benefit of Tenant by such future mortgagee or holder of a deed of
        trust.  These subordination provisions shall be self-operative and
        no further instrument of subordination shall be required.  Tenant
        agrees to execute and deliver, upon request, such further
        instrument or instruments confirming this subordination as shall
        be reasonably desired by Landlord or by any mortgagee or proposed
        mortgagee.  Tenant further agrees that, at the option of the
        holder of any mortgage or of the trustee under any deed of trust,
        this Lease may be made superior to said mortgage or deed of trust
        by the insertion therein of a declaration that this Lease is
        superior thereto, and to all renewals, modifications,
        consolidations, replacements and extensions thereof.

                  (b)  Attornment.  In the event any proceedings are
        brought for the foreclosure of, or in the event of exercise of the
        power of sale under, any deed to secure a debt given by Landlord
        and covering the Leased Premises, Tenant shall execute such
        attornment agreement as shall be reasonably required by said
        purchaser, pursuant to the terms of which Tenant recognizes such


                                      - 23 -<PAGE>




        purchaser as the owner and landlord under this Lease, and the
        purchaser recognizes Tenant as the tenant under this Lease.

                  (c)  Notice to Mortgagee Upon Landlord Default.  Tenant
        agrees to give any mortgagee by certified mail, return receipt
        requested, a copy of any notice of default served upon Landlord,
        provided that before such notice Tenant has been notified in
        writing of the address of such mortgagee.  Tenant further agrees
        that if Landlord shall have failed to cure such default within the
        time provided for in this Lease, then mortgagee shall have an
        additional fifteen (15) days within which to cure such default;
        provided, however, that if such default cannot be reasonably cured
        within that time, then such mortgagee shall have such additional
        time as may be necessary to cure such default so long as mortgagee
        has commenced and is diligently pursuing the remedies necessary to
        cure such default (including, without limitation, the commencement
        of foreclosure proceedings, if necessary), in which event this
        Lease shall not be terminated while such remedies are being so
        diligently pursued.  In the event of the sale of the Property or
        the Leased Premises, by foreclosure or deed in lieu thereof, the
        mortgagee or purchaser at such sale shall be responsible for the
        return of any security deposit only to the extent that such
        mortgagee or purchaser actually received the security deposit.  In
        addition, Tenant shall not pay any rental hereunder for more than
        one (1) month in advance.

             19.  Estoppel Certificates.  Landlord and Tenant agree, at
        any time and from time to time, upon not less than five (5)
        business days prior notice by the other, to execute, acknowledge
        and deliver to the other a statement in writing (i) certifying
        that this Lease is unmodified and in full force and effect (or if
        there have been modifications the nature of same), (ii) stating
        the dates to which the Minimum Annual Rent and Additional Rent
        have been paid by Tenant, (iii) stating whether or not to the best
        knowledge of either Landlord or Tenant, the other is in default in
        the performance of any covenant, agreement or condition contained
        in this Lease, and, if so, specifying each such default of which
        either Landlord or Tenant may have knowledge, (iv) stating he
        address to which notices to either Landlord or Tenant should be
        sent, and (v) certifying such other materials as may be requested
        by Tenant or Landlord.  Any such statement delivered pursuant
        hereto may be relied upon by an owner of the Property, any
        prospective purchaser of the Property or the Leasehold Interest,
        any mortgagee or prospective mortgagee of the Property or the
        Leasehold Interest, or of Landlord's or Tenant's interest therein,
        or any prospective assignee of any such mortgage or the Leasehold
        Interest.

             20.  Damage by Fire or Other Casualty.

                  (a)  Restoration.  If the Leased Premises shall be
        damaged by fire or other casualty but such damage does not render
        the Leased Premises wholly unfit for Tenant's business operations
        as shall be determined by Landlord and Tenant in their reasonable

                                      - 24 -<PAGE>




        business judgment, Landlord, at Landlord's expense, shall promptly
        restore the Leased Premises, and Tenant, at Tenant's sole expense,
        shall promptly restore all leasehold improvements installed in the
        Leased Premises by Tenant or at Tenant's request and its own
        furniture, furnishings, trade fixtures and equipment.  No penalty
        shall accrue for reasonable delay which may arise by reason of
        adjustment of insurance on the part of Landlord, or on account of
        labor problems, or any other cause beyond Landlord's reasonable
        control.  Minimum Annual Rent and Additional Rent shall abate
        proportionately (based on the proportion of the number of square
        feet rendered untenantable to the total number of square feet of
        the Leased Premises), from the date of the damage or destruction
        until the date the Landlord has substantially completed such
        restoration.  Notwithstanding anything stated to the contrary
        herein, in the event that such damage shall occur during the last
        year of the Lease term, Landlord shall not be required to restore
        the Leased Premises nor shall Tenant be required to restore the
        Leasehold Improvements, furnishings, furniture, fixtures or
        equipment.

                  (b)  Termination.  If the Leased Premises are
        substantially damaged or are rendered substantially untenantable
        by fire or other casualty during the Lease Term to such an extent
        that it is rendered substantially unusable by Tenant for the
        purposes originally contemplated by this Lease or access is
        denied, Landlord shall restore or repair the same unless expressly
        not required to do so under Section 20(c).  If such damage occurs,
        however, at any time during the Lease Term, and (i) Landlord's
        architect certifies that the Leased Premises cannot be repaired
        within one hundred twenty (120) working days of normal working
        hours, said period commencing on the casualty date, or (ii)
        Landlord shall decide to demolish the Leased Premises or not to
        rebuild it, then Landlord or Tenant may, within ninety (90) days
        after such fire or other casualty, terminate this Lease by giving
        Tenant notice of such decision, and thereupon the Lease Term shall
        expire by lapse of time upon the third day after such notice is
        given, and Tenant shall thereupon vacate the Leased Premises and
        surrender the same to Landlord.  In the event that damage to the
        Leased Premises is not repaired sufficiently within one hundred
        eighty (180) days after such fire or other casualty so that Tenant
        can commence to refixture the Leased Premises for the use thereof
        as originally contemplated by this Lease, then Tenant shall have
        the right to terminate this Lease by giving Landlord written
        notice thereof within thirty days of the end of such period, and
        thereupon the Lease Term shall expire by lapse of time upon the
        thirty days after such notice is given, and Tenant shall thereupon
        vacate the Leased Premises and surrender the same to Landlord.
        Upon the termination of this Lease under the conditions
        hereinbefore provided, Tenant's liability for Minimum Annual Rent
        3~and Additional Rent shall cease as of the day following the
        casualty.




                                      - 25 -<PAGE>




                  (c)  Lender's Approval.  Notwithstanding anything to the
        contrary in this Section or in any other provision of this Lease,
        any obligation (under this Lease or otherwise) of Landlord to
        restore all or any portion of the Leased Premises shall be subject
        to Landlord's receipt of approval of the same by the mortgagee(s)
        of Landlord (and any other approvals required by applicable laws),
        as well as receipt from any such mortgagee(s) of such fire and
        other hazard insurance policy proceeds as may have been assigned
        to any such mortgagee; it being agreed that if Landlord has not
        received such approval(s) and proceeds within one hundred and
        eighty (180) days after any such casualty, then Landlord shall
        have the option to terminate this Lease, at any time thereafter,
        by notice to Tenant.  Landlord shall diligently pursue the receipt
        of all approvals and insurance policy proceeds which are described
        in this Section 20(c).

             21.  Condemnation.  In the event the whole or a "substantial
        part" (as hereinafter defined) of the Leased Premises shall be
        taken for any public or quasi-public purpose by any lawful power
        or authority by exercise of the right of appropriation,
        condemnation or eminent domain, or sold to said authority to
        prevent such taking (collectively referred to herein as a
        "taking"), this Lease shall terminate effective as of the date
        possession is required to be surrendered to said authority, and
        the Minimum Annual Rent and Additional Rent shall be apportioned
        as of the date.  For purposes of this Section, a "substantial
        part" of the Leased Premises shall be considered to have been
        taken if access to or fifty percent (50%) or more of the Leased
        Premises or any material part which is necessary to continue
        manufacturing in accordance with F.D.A. licensing requirements is
        taken or condemned.  Tenant shall not assert any claim against
        Landlord or the taking authority for any compensation arising out
        of or related to such taking and Landlord shall be entitled to
        receive the entire amount of any award without deduction for any
        estate or interest of Tenant; provided, however, that nothing
        contained in this section shall be deemed to give Landlord any
        interest in any award made to Tenant for the taking of personal
        property and fixtures belonging to Tenant or for Tenant's moving
        expenses, as long as such award is made in addition to and
        separately stated from any award made to Landlord for the Leased
        Premises and the Property.  If less than fifty percent (50%) of
        the Leased Premises is so taken, the Lease shall continue to be in
        full force and effect, and the Minimum Annual Rent and Additional
        Rent shall be adjusted (based on the ratio that the number of
        square feet of rentable area taken from the Leased Premises bears
        to the number of rentable square feet in the Leased Premises
        immediately prior to such taking) as of the date possession is
        required to be surrendered to said authority; provided, however,
        Landlord shall have the right to determine that the Leased
        Premises should be demolished and not rebuilt, in which event
        Landlord may, within ninety (90) days after such decision, and
        thereupon the Lease Term shall expire by lapse of time upon the
        third day after such notice is given, and Tenant shall thereupon
        vacate the Leased Premises and surrender the same to Landlord.  In

                                      - 26 -<PAGE>




        the event that the Lease remains in full force and effect in
        accordance with the terms described above, Landlord shall be
        obligated to repair and restore the Leased Premises to usable
        condition by Tenant, and such repair shall be a condition
        precedent to the continued effectiveness of this Lease.  Landlord
        shall have no obligation to contest any taking.

             22.  Landlord's Liability.  Landlord, or its agents, shall
        not be liable for any injury or damage to persons or property
        resulting from fire, explosion, falling plaster, steam, gas,
        electricity, water, rain, or leaks from any part of the Leased
        Premises, or from the pipes, conduits, appliances or plumbing
        works, or by dampness or by any other cause of whatsoever nature,
        unless caused by or due to the gross negligence of Landlord, its
        agents, servants, or employees.  All personal property and
        equipment located in the Leased Premises shall be at the risk of
        Tenant.

             23.  Tenant's and Landlord's Liability.  Tenant shall
        reimburse Landlord for all expense, damage or fines, incurred or
        suffered by Landlord by reason of any breach, violation or
        nonperformance by Tenant, or its agents, servants, or employees,
        of any covenant or provision of this Lease or the Rules and
        Regulations promulgated by Landlord hereunder from time to time,
        or by reason of damage to persons or property caused by moving
        property of or for Tenant in or out of the Property, or by the
        installation or removal of furniture or other property of or for
        Tenant, or by reason of or arising out of the carelessness,
        negligence or improper conduct of Tenant, or its agents, servants,
        employees, invitees or licensees in the use or occupancy of the
        Leased Premises or the common areas of the Property.  Landlord
        shall reimburse Tenant for all expenses, damages or fines,
        incurred or suffered by Tenant by reason of any breach, violation
        or nonperformance by Landlord, or its agents, servants, or
        employees, of any covenant or provision of this Lease, or by
        reason of or arising out of the carelessness, negligence or
        improper conduct of Landlord, or its agents, servants, employees,
        invitees or licensees.

             24.  Indemnity.

                  (a)  By Tenant.  Tenant shall indemnify and defend
        Landlord and its agents and employees and save them harmless from
        and against any and all claims, actions, damages, liabilities and
        expense in connection with loss of life, personal injury and/or
        damage to property arising from or out of, the occupancy or use by
        Tenant of the Leased Premises or any part thereof, or occasioned
        wholly or in part by any act or omission of the Tenant, its
        agents, contractors, employees, servants, invitees or licensees,
        whether inside the Leased Premises or elsewhere in the Property.

                  (b)  By Landlord.  Landlord shall indemnify and defend
        Tenant and its agents and employees to save them harmless from and
        against any and all claims, actions, damages, liabilities and
        expense in connection with loss of life, personal injury and/or

                                      - 27 -<PAGE>




        damage to property occasioned wholly or in part by any act or
        omission of the Landlord, its agents, contractors, employees,
        servants, invitees or licensees, whether inside the Leased
        Premises or elsewhere in the Property.

             25.  Tenant's Insurance.

                  (a)  Coverages.  Tenant shall have issued, pay the
        premiums therefor, and maintain in full force and effect during
        the Lease Term and any option period:

                        (i) Comprehensive Liability.  A commercial general
                            liability insurance policy or policies in
                            which the Landlord and Landlord's Mortgagee(s)
                            (and such additional persons and/or entities
                            as Landlord may request) and Tenant shall be
                            the insured, protecting the Landlord and
                            Landlord's mortgagee(s) (and such additional
                            persons and/or entities as Landlord may
                            request) and Tenant in the amount of at least
                            Three Million and No/100 Dollars
                            ($3,000,000.00) combined, single limit
                            coverage for bodily injury, including death,
                            or property damage, which amount may be
                            increased from time to time by Landlord in its
                            reasonable determination;

                       (ii) All-Risk Casualty.  All-risk casualty
                            insurance, naming Landlord (and such
                            additional persons and/or entities as Landlord
                            may request) and Tenant as insureds (as their
                            interests may appear); written at replacement
                            cost value and with replacement cost
                            endorsement, covering all leasehold
                            improvements installed in the Leased Premises
                            by Tenant or at Tenant's request and all of
                            Tenant's personal property in the Leased
                            Premises (including, without limitation,
                            inventory, trade fixtures, floor coverings,
                            furniture and other property removable by
                            Tenant under the provisions of this Lease).

                       (iii) Workers' Compensation.  If and to the extent
                            required by law, workers' compensation and
                            employer's liability or similar insurance in
                            form and amounts required by law.

                  (b)  Policy Requirements.  Tenant's failure to provide
        such insurance or failure to pay the premiums when due, shall be
        deemed a default hereunder.  Any monies expended by Landlord to
        cure said default shall be deemed Additional Rent and shall be due
        and owing with Tenant's next payment of Basic Monthly Rent.  All
        such policies shall contain only such reasonable deductible
        amounts as may be provided in advance by Landlord and shall

                                      - 28 -<PAGE>




        contain a provision that Landlord shall receive not less than
        thirty (30) days advance notice in writing from the insurance
        company of any intention of the insurance company to cancel such
        policy or policies.  Tenant shall provide written evidence to
        Landlord of its acquisition of such policies prior to the
        commencement of this Lease and prior to any renewal date of such
        policies.  All policies shall be carried with a reputable
        insurance company qualified to do business in the State of
        Maryland and rated not lower than A-XII in the A.M. Best Rating
        Guide.

                  (c)  No Limitation of Liability.  Neither the issuance
        of any insurance policy required under this Lease nor the minimum
        limits specified herein shall be deemed to limit or restrict in
        any way Tenant's liability arising under or out of this Lease.

             26.  Waiver of Subrogation.  Landlord and Tenant mutually
        covenant and agree that each party, in connection with insurance
        policies required to be furnished in accordance with the terms and
        conditions of this Lease, or in connection with insurance policies
        which they obtain insuring such insurable interest as Landlord or
        Tenant may have in its own properties, whether personal or real,
        shall expressly waive any right of subrogation on the part of the
        insurer against the Landlord (and any mortgagee requested by
        Landlord) or Tenant as the same may be applicable, which right to
        the extent not prohibited or violative of any policy is hereby
        expressly waived, and Landlord and Tenant each mutually waive all
        right of recovery against each other, their agents, or employees
        for any loss, damage or injury of any nature whatsoever to
        property or person for which either party carries insurance or is
        required by this Lease to carry insurance.

             27.  No Liens Permitted; Discharged.  Tenant will not permit
        to be created or to remain undischarged any lien, encumbrance or
        charge (arising out of any work done or materials or supplies
        furnished, or claimed to have been done or furnished, by any
        contractor, mechanic, laborer or materialman or any mortgage,
        conditional sale, security agreement or chattel mortgage, or
        otherwise by or for Tenant) which might be or become a lien or
        encumbrance or charge upon the Property or any part thereof or the
        income therefrom.  If any lien, or notice of lien on account of an
        alleged debt of Tenant or any notice of contract by a party
        engaged by Tenant or Tenant's contractor to work on the Leased
        Premises shall be filed against the Property or any part thereof,
        Tenant, within thirty (30) days after notice of the filing
        thereof, will cause the same to be discharged of record by
        payment, deposit, bond, order of a court of competent jurisdiction
        or otherwise.  If Tenant shall fail to cause such lien or notice
        of lien to be discharged within the period aforesaid, then, in
        addition to any other right or remedy, Landlord may, but shall not
        be obligated to, discharge the same either by paying the amounts
        claimed to be due or by procuring the discharge of such lien by
        deposit or by bonding proceedings and in any such event Landlord
        shall be entitled, if Landlord so elects, to compel the

                                      - 29 -<PAGE>




        prosecution of an action for the foreclosure of such lien by the
        lienor and to pay the amount of the judgment in favor of the
        lienor with interest, costs and allowances.  Any amount so paid by
        Landlord and all reasonable costs and expenses, including
        attorneys' fees, incurred by Landlord in connection therewith,
        shall constitute Additional Rent payable by Tenant under this
        Lease and shall be paid by Tenant to Landlord on demand.  Nothing
        herein contained shall obligate Tenant to pay or discharge any
        lien created by Landlord.

             28.  Signs, Awnings and Canopies.  Tenant may place or suffer
        to be placed or maintained on the exterior of the Leased Premises
        any sign, awning or canopy, or other written matter of any kind,
        provided that any such sign, awning, canopy or written matter is
        in compliance with the applicable federal, state and/or country
        regulations.  Tenant further agrees to maintain in good condition
        and repair at all times such sign, awning, canopy, decoration,
        lettering, or written mater as may be approved.  

             29.  Environmental Protection.  Tenant and Tenant's employees
        and agents shall not dispose of any oil, petroleum or chemical
        liquids or solids, liquid or gaseous products or any hazardous
        waste or hazardous substance including, without limitation,
        asbestos (hereinafter collectively referred to as "hazardous
        waste"), as those terms are used in the Comprehensive
        Environmental Response, Compensation, and Liability Act of 1980,
        or in any other federal, state or local law governing hazardous
        substances, as such laws may be amended from time to time
        (hereinafter collectively referred to as the "Act"), at, upon,
        under or within the Leased Premises or the Property, or into the
        plumbing or sewer or water system servicing the Leased Premises
        and/or the Property, nor shall Tenant, its agents or employees
        cause or permit the discharge, spillage, uncontrolled loss,
        seepage or filtration of any hazardous waste at, upon, under or
        within the Leased Premises of the Property or into the plumbing or
        sewer or water system servicing the same.  Notwithstanding the
        foregoing, Landlord acknowledges that the use which Tenant
        contemplates for the Leased Premises involves the use, storage,
        and disposal of materials which are defined herein as hazardous
        waste, and Tenant shall have the right to maintain such materials
        on the Leased Premises so long as they are used, stored and
        disposed of in accordance with the Act.  Tenant shall comply in
        all respects with the requirements of the Act and related
        regulations, and shall notify Landlord immediately in the event of
        its discovery of any hazardous waste at, upon, under or within the
        Leased Premises or the Property which has not been used, stored or
        disposed of in accordance with the Act.  Tenant shall advise
        Landlord, in writing, of the identities of hazardous wastes being
        used and stored in the Leased Premises promptly upon written
        request from Landlord, but in no event less frequently than once
        every twelve (12) months.  Tenant shall indemnify Landlord against
        all costs, expenses, liabilities, losses, damages, injunctions,
        suits, fines, penalties, claims, and demands, including reasonable
        attorneys' fees, arising out of any violation of or default by

                                      - 30 -<PAGE>




        Tenant, and its employees and agents, in the covenants of this
        Section.  The provisions of this Section shall survive the
        expiration of the Lease Term.

             30.  Notices.  All notices to be given under this Lease shall
        be in writing and either (i) hand-delivered, (ii) sent by Federal
        Express (or other nationally recognized, overnight mail courier
        service), (iii) or mailed by United States Certified or Registered
        Mail, return receipt requested, postage prepaid.  Notices should
        be delivered as follows:

                  (a)  To Landlord to the attention of President at the
                       business and mailing address stated on page 1 of
                       this Lease.  

                  (b)  To Tenant to the attention of President, at the
                       business and mailing address stated on page 1 of
                       this Lease.

                       With a copy to:  Donovan, Leisure, Newton & Irvine
                                        30 Rockefeller Plaza
                                        New York, NY 10112

                                        Attn:  William J.T. Brown, Esq.

        Any such notice shall be deemed to be received on the date it is
        hand-delivered or delivered by Federal Express (or other
        nationally recognized, overnight mail courier service), or on the
        third day after the date on which it is deposited in the U.S.
        mails.  Landlord and Tenant shall each have the right to change
        the person and/or address to which notices shall be delivered upon
        notice thereof to the other parties sent pursuant to the
        provisions of this paragraph.

             31.  Time.  Except as expressly set forth herein to the
        contrary, Landlord and Tenant acknowledge that time is of the
        essence in the performance of any and all obligations, terms, and
        provisions of this Lease.

             32.  Postponement of Performance.  In the event that either
        party hereto shall be delayed or hindered in or prevented from the
        performance of any act required hereunder by reason of strikes,
        labor troubles, inability to procure labor or materials, failure
        of power, restrictive governmental laws or regulations, riots,
        insurrection, war, acts of God, fire or other casualty or other
        reason of a similar or dissimilar nature beyond the reasonable
        control of the party delayed in performing work or doing acts
        required under the terms of this Lease, then performance of such
        act shall be excused for the period of the delay and the  period
        for the performance of any such act shall be extended for a period
        equivalent to the period of such delay; provided, however that
        nothing in this section shall excuse any delay in the payment of
        Minimum Annual Rent or Additional Rent; and provided, further,
        that delays or failures to perform resulting from lack of funds

                                      - 31 -<PAGE>




        shall not be deemed delays beyond the reasonable control of a
        party.  Nothing contained herein shall be construed to limit the
        provisions concerning the abatement of Minimum Annual Rent and
        Additional Rent resulting from fire and casualty damage or from
        condemnation damage to the Leased Premises as more fully described
        in Sections 20 and 21 hereof.

             33.  Brokers.  Landlord and Tenant represent and warrant each
        to the other that neither has authorized any broker, agent or
        finder purporting to act on either's behalf in respect to this
        Lease transaction, and each hereby agree to indemnify and hold
        harmless one from the other from and against any cost, expense,
        claims, liability or damage resulting from a breach of the
        representation and warranty herein contained.

             34.  No Waiver.  No waiver by Landlord or Tenant of any
        breach of any of the terms, convenants, agreements, or conditions
        of this Lease shall be deemed to constitute a waiver of any
        succeeding breach thereof, or a waiver of any breach of any of the
        other terms, convenants, agreements, and conditions herein
        contained.  No provision of this Lease shall be deemed to have
        been waived by Landlord or Tenant, unless such waiver be in
        writing signed by such party.  No employee of Landlord or of
        Landlord's agents shall have any authority to accept the keys of
        the Leased Premises prior to termination of the Lease, and the
        delivery of keys to any employee of Landlord or Landlord's agents
        shall not operate as a termination of the Lease or a surrender of
        the Leased Premises.  The receipt by Landlord of any payment of
        the Minimum Annual Rent or Additional Rent with knowledge of the
        breach of any covenant of the Lease shall not be deemed a waiver
        of such breach.  The failure of Landlord to enforce any of the
        Rules and Regulations, hereafter adopted, against Tenant or any
        other tenant in the Property shall not be deemed a waiver of any
        such Rules and Regulations.

             35.  Amendments.  This Lease and the Exhibits attached
        hereto, together with the terms and conditions of that certain
        Stock Purchase Agreement between Landlord, Tenant and Cambridge
        Biotech Corporation, debtor, contain the entire agreement between
        the parties pertaining to the subject matter hereof, and any
        agreement hereafter made shall be ineffective to change, modify,
        discharge or effect an abandonment in whole or in part unless such
        agreement is in writing and signed by the party against whom
        enforcement of the change, modification, discharge or abandonment
        is sought.

             36.  Applicable Law.  The laws of the State of Maryland shall
        govern the validity, performance and enforcement of this Lease.

             37.  Transfer of the Property.  In the event of the sale or
        other transfer of landlord's right, title and interest in the
        Leased Premises or the Property, Landlord shall transfer and
        assign to such purchaser or transferee all amounts of pre-paid
        Minimum Annual Rent and Additional Rent, and provided that the

                                      - 32 -<PAGE>




        purchaser or transferee shall assume all of the surviving
        liabilities and obligations of Landlord hereunder accruing after
        the consummation of such sale or transfer, Landlord thereupon
        shall be released from all liability and obligations hereunder
        derived from this Lease arising out of any act, occurrence or
        omission relating to the Leased Premises or this Lease occurring
        after the consummation of such sale or transfer.  Tenant shall
        have no right to terminate this Lease, to abate Minimum Annual
        Rent or Additional Rent, nor to deduct from, nor set-off, nor
        counterclaim against Minimum Annual Rent or Additional Rent
        because of any sale or transfer (including, without limitation,
        any sale-leaseback) by Landlord or its successors or assigns.

             38.  Option to Purchase.  At any time during the term hereof,
        provided that Tenant is not then in default hereof and provided
        further that Tenant, or a permitted assignee (which is a related
        party to Tenant pursuant to the provisions of Section 14 hereof)
        shall then occupy the Leased Premises, Tenant shall have the
        option to purchase the Property (subject only to the rights of the
        tenant under the BTRL Lease as to Parcel 1) at the then Fair
        Market Value (the "FMV") as of the date of the exercise of the
        option (subject to the provisions of the next succeeding
        paragraph).  Tenant shall exercise this option by giving written
        notice to Landlord, setting forth its determination of the FMV.
        In the event Landlord does not agree with this determination, then
        the FMV shall be determined by independent appraisal in the same
        manner as is set forth in Section 3(b) hereof for determining Fair
        Rental Value, provided that such appraisal shall take into account
        the remaining terms of any leases then encumbering the Property,
        including this Lease, without regard to the effect, if any, of any
        merger or termination thereof which may result from the exercise
        of this Option.

             Landlord shall satisfy and discharge of record any mortgage
        on the Property and deliver a warranty deed in the customary form,
        subject only to such encumbrances as the Property is subject to on
        the date hereof as set forth on Exhibit A, liens for taxes not yet
        due and payable and such additional encumbrances (not including
        mortgage or liens) as do not materially interfere with the use of
        the Property as contemplated by this Lease, and Tenant shall pay
        the consideration  no later than sixty (60) days from the receipt
        of the notice of option, or, in the event the appraisal process is
        required, and within ten (10) days of such determination Tenant
        confirms its intention to buy at the FMV as so determined, within
        thirty (30) days from the date of determination of the FMV.  In
        the event the Property shall be encumbered by a mortgage(s) (the
        "Mortgage") held by an institutional lender(s) which shall have a
        balance in excess of the FMV (the "Excess Balance"), in order to
        exercise the option Tenant shall pay in addition to the FMV an
        amount equal to the lesser of (i) Excess Balance or (ii) the
        amount by which 80% of FMV determined as of the date the Mortgage
        was granted exceeds FMV at the time the option is exercised;
        provided, however, that if any mortgage encumbering the Property
        at the date hereof continues to encumber the Property at the date

                                      - 33 -<PAGE>




        of exercise of this option the sum of FMV and any amount paid
        pursuant to subsection (i) or (ii) above shall in no event be less
        than the amount necessary to discharge such mortgage (without
        regard to any mortgage subsequently attaching).  There shall not
        be taken into account for the purposes of this calculation a
        Mortgage which encumbers property in addition to the Property
        unless Tenant shall have consented in writing to an allocation to
        the Property of a portion of the Mortgage encumbering such
        additional property.  

             39.  Option on Additional Space.  Tenant shall have the
        option to lease the additional space currently leased to BTRL
        contracts and Services, Inc. pursuant to a lease dated June 30,
        1992 (the "BTRL Lease") upon the expiration or sooner termination
        of the BTRL Lease, provided that Tenant shall give written notice
        to Landlord of its election to exercise such option no later than
        180 days prior to the expiration date of the BTRL Lease or within
        sixty (60) days after written notice of the sooner termination of
        the BTRL Lease, at a rental rate equal to the then-prevailing
        square-foot rental rate under this Lease and otherwise on the
        terms and conditions set forth herein.  This Lease shall be
        amended to add the space demised under the BTRL Lease upon the
        exercise of the option.

             40.  Procedure to Require Purchase or Termination of Option.
        If at any time during the term of this Lease, Landlord shall
        receive a bona fide offer to purchase the Property from a third
        party, which offer Landlord desires to accept, Landlord shall
        promptly deliver to Tenant a copy of such offer.  Tenant may,
        within thirty (30) days after receipt of such offer, elect to
        purchase the Property on the same terms and conditions as set
        forth in such offer by delivery to Landlord of written notice of
        said exercise.  In the event Tenant does not so elect to purchase,
        Landlord shall be free to sell the Property to the third party
        offeror on terms and conditions which are substantially the same
        as set forth in the offer, in no material respect less favorable
        to the Landlord,  and subject to the terms of this Lease except
        that Tenant's Option to Purchase shall be extinguished.  In the
        event the third party sale is not consummated, the Option to
        Purchase shall remain in effect.

             41.  Waiver of Counterclaim and Trial by Jury/Attorneys Fees.
        Landlord and Tenant waive their right to trial by jury in any
        action, proceeding or counterclaim brought by either of the
        parties hereto against the other (except for personal injury or
        property damage) on any matters whatsoever arising out of or in
        any way connected with this Lease, the relationship of Landlord
        and Tenant, Tenant's use of or occupancy of the Lease Premises,
        and any emergency statutory or any other statutory remedy.  Tenant
        shall not interpose any counterclaim(s) or claim(s) for set-off,
        recoupment or deduction of Minimum Annual Rent or Additional Rent
        in a summary proceeding for nonpayment of Minimum Annual Rent or
        Additional Rent, unless such counterclaim is mandatory in nature
        and must be interposed in such summary proceeding against the

                                      - 34 -<PAGE>




        other to enforce the terms and conditions of this Lease, the
        prevailing party shall be entitled to recover all reasonable
        attorneys fees and costs incurred as a result thereof.

             42.  Separability.  If any term or provision of this Lease or
        the application thereof to any person or circumstances shall, to
        any extent, be invalid or unenforceable, the remainder of this
        Lease or the application of such term or provision to persons or
        circumstances other than those as to which it is held invalid or
        unenforceable, shall not be affected thereby and each other term
        and provision of this Lease shall be valid and enforceable to the
        fullest extent permitted by law.

             43.  Corporate Authority.  Concurrently with the execution of
        this Lease, Tenant has delivered to Landlord a certified copy of a
        resolution of Tenant's Board of Directors (or other evidence
        reasonably satisfactory to Landlord) approving the leasing of the
        Leased Premises by Tenant pursuant to the terms and conditions
        contained herein, stating that this Lease if fully binding upon
        Tenant, and authorizing the execution of this Lease by each person
        signing this Lease on behalf of Tenant.

             44.  Interpretation.

                  (a)  Captions.  The captions, marginal references,
        General Information sheet, and table of contents appearing in this
        Lease are inserted only as a matter of convenience and in no way
        amplify, define, limit, construe, or describe the scope or intent
        of this Lease nor in any way affect this Lease.

                  (b)  Gender.  The Neuter, feminine or masculine pronoun
        when used herein shall each include each of the other genders and
        the use of the singular shall include the plural.

                  (c)  Covenants.  The parties hereto agree that all the
        provisions of this Lease are to be construed as covenants and
        agreements as though the words importing such covenants and
        agreements were used in each separate provision hereof.

                  (d)  Interpretation.  The provisions of this Lease
        although initially drawn by Landlord were negotiated between the
        parties, and this Lease shall not be construed for or against
        Landlord or Tenant, but this Lease shall be interpreted in
        accordance with the general tenor of the language in an effort to
        reach the intended result.

             45.  Landlord's Agreement re:  Contract of Sale of the
        Property.  Landlord agrees that, during the Lease Term and prior
        to its execution of any contract for the sale of the Property to a
        prospective purchaser, it shall give written notice of the
        existence of this Lease and Tenant's occupancy rights in and to
        the Lease Premises (together with a copy of this Lease), to any
        such prospective purchaser of the Property.


                                      - 35 -<PAGE>




             46.  Reasonableness of Expenses.  Wherever it is required by
        the terms of this Lease that one party reimburse the other party
        for costs and expenses incurred in connection with the performance
        of an obligation or the exercise of a right described herein,
        unless expressly stated otherwise, all costs and expenses for
        which such reimbursement is sought shall be reasonable in amount
        and nature, as determined in accordance with local standards of
        commercial reasonableness in the District of Columbia metropolitan
        area.

             47.  Limits of Landlord's Liability.  In the event that any
        mortgagee or holder of a deed of trust or other security interest
        in the Property shall foreclose on the Property or accept a deed
        in lieu of foreclosure as a result of the failure of Landlord to
        pay any debt secured by the Property, then, thereafter, neither
        the owner of the Property, as Landlord, nor its agents, employees
        or officers, whether disclosed or undisclosed, shall have any
        personal liability under any provision of this Lease, and if such
        a subsequent owner of the Property, as Landlord, defaults in the
        performance of any of its obligations hereunder or otherwise,
        Tenant shall look solely to Landlord's equity, interest and rights
        in the Property for satisfaction of Tenant's remedies on account
        thereof.

             48.  Binding Effect.  This Agreement shall be binding upon
        and shall inure to the benefit of the parties hereto, and the
        heirs, personal representatives, successors and assigns of said
        parties.

             49.  Recording.  Landlord and Tenant agree that, at the
        request of either, each will execute a short form of this Lease in
        form satisfactory for recording in the office of the Montgomery
        County Clerk.






















                                      - 36 -<PAGE>




             IN WITNESS WHEREOF, the parties hereto have duly executed,
        sealed, and delivered this Lease, or have caused same to be
        executed, sealed and delivered by their duly authorized attorney-
        in-fact, as of the day and year above written.

        WITNESS/ATTEST:               AQUILA BIOPHARMACEUTICALS, INC.


        /s/ Marie-Elissa Boisvert     By:_/s/ Alison Taunton-Rigby___
                                         President

                                      Date of Execution:  October 22, 1996


        WITNESS/ATTEST:               BIOMERIEUX VITEK, INC.


        /s/ Johannes Burlin   __    By: /s/ Philippe Archinard___
                                         President

                                      Date of Execution:  October 22, 1996


































                                      - 37 -<PAGE>




                                     EXHIBIT A

                              DESCRIPTION OF PREMISES

        1.  Property as described in a Confirmatory Deed from Biotech
        Research Laboratories, Inc. to CBC recorded September 7, 1990 in
        Liber 9470 at folio 762 among the Land Records of Montgomery
        County, Maryland commonly known as 3 and 3  Taft Court.  

             Subject to:

             a.   Ten (10) foot wide utility easement across the front of
        the lot as shown on Plat recorded in Plat Book 102 at Plat 11503
        among the Land Records of Montgomery County, Maryland.

             b.   Portion of a Twenty (20) foot utility easement along the
        southwest line of the property as shown on Plat recorded in Plat
        Book 102 at Plat 11503 among the Land Records of Montgomery
        County, Maryland.

             c.   Portion of a Ten (10) foot utility easement on the
        southeast line of the property as shown on Plat recorded in Plat
        Book 102 at Plat 11503 among the Land Records of Montgomery
        County, Maryland.

             d.   Portion of the "Fairway Easement", as shown along the
        southeasterly line of the property as shown on Plat recorded in
        Plat Book 102 at Plat 11503 among the Land Records of Montgomery
        County, Maryland.

             e.   Twenty (20) foot slope grading easement along the front
        of the property to terminate on completion and acceptance of all
        public improvements by the proper Governmental Authority, as
        dedicated by owner on Plat recorded in Plat Book 102 at Plat 11503
        among the Land Records of Montgomery County, Maryland.

             f.   Right of Way to the Mayor and Council of Rockville,
        recorded in Liber 6137 at Folio 845 among the Land Records of
        Montgomery County, Maryland.

             g.   Lease Agreement between Cambridge Biotech Corporation, a
        Delaware corporation, Landlord, and BTRL Contracts and Services,
        Inc., a Massachusetts corporation, Tenant, dated June 30, 1992,
        relating to building commonly known as 3 Taft Court.   

        2.  Property as described in a Confirmatory Deed from Biotech
        Research Laboratories, Inc. to CBC recorded September 7, 1990 in
        Liber 9740 at Folio 758 among the Land Records of Montgomery
        County, Maryland commonly known as 1500 East Gude Drive.






                                      - A-1 -<PAGE>




             Subject to:

             a.   Twenty-Five (25) foot access easement across Lot (9) to
        benefit Lot (4) as shown on Plat recorded at Plat Book 114 at Plat
        No. 13548 among the Land Records of Montgomery County, Maryland.

             b.   Thirty (30) foot Utility Easement as shown on Plat
        recorded at Plat Book 114 at Plat No. 13548 among the Land Records
        of Montgomery County, Maryland.

             c.   Right of Way to Chesapeake and Potomac Telephone Company
        recorded in Liber 192 Folio 032.

             d.   Minimum Building Restriction Line per owner's dedication
        on recorded plat.

             e.   Note on Plat, "The Access Easement for Lot 4 as recorded
        in Liber 5489 at folio 570 and the Public Service Drive and
        Utility Easement as recorded in Plat Book 100 at Plat 11185 are
        abandoned by this plat, and the Easements shown hereon are created
        by this Plat."

             f.   Effect of Note on Plat:  "Upon dualization of Gude
        Drive, left turns into this entrance will not be permitted."

             g.   Right of Way to Chesapeake and Potomac Telephone Company
        recorded in Liber 248 Folio 054.        




























                                      - A-2 -<PAGE>



























































                                      - A-3 -






                                   EXHIBIT 10.12

                          AQUILA BIOPHARMACEUTICALS, INC.
                         1996 STOCK AWARD AND OPTION PLAN


        I.   Purpose

             This 1996 Stock Award and Option Plan is intended to be an
        equity compensation plan which will advance the best interests of
        Aquila Biopharmaceuticals, Inc. (the "Corporation") by providing
        the Corporation's employees, officers, directors (if declared
        eligible under Section 3), consultants and advisors with
        additional incentives for performance which furthers the interest
        and success of the Corporation.

        II.  Definitions

             Whenever used in this Plan, the following terms will have the
        indicated meanings:

        Affiliate:  Any person controlled by or under common control with
        the Corporation or, as determined by the board, a person in which
        the Corporation has a substantial direct or indirect equity
        interest.

        Award:  Any award of Deferred Stock, Restricted Stock, Options,
        Discounted Options, or Stock Appreciation Rights under this Plan.

        Board.  The Board of Directors of the Corporation.

        Change of Control:  Has the meaning specified in Section 17.2
        hereof.

        Code:  The Internal Revenue Code of 1986, as amended, and any
        successor statute.

        Common Stock:  The common stock of the Corporation, $0.01 par
        value per share, or other class or kind of security as may be
        applicable under Section 12.

        Corporation:  Aquila Biopharmaceuticals, Inc., a Delaware
        corporation, and any successor to substantially all of its
        business.

        Committee:  The body designated by the Board to administer this
        Plan pursuant to Section 4.

        Deferred Stock:  Common Stock rights awarded pursuant to Section 6
        of this Plan.

        Discounted Options:  Options granted pursuant to Section 1O of
        this Plan.<PAGE>




        Exchange Act:  The Securities Exchange Act of 1934, as amended,
        and any successor statute.

        Exercise Value:  Has the meaning specified in Section 9.2.

        Fair Market Value:

                  (a)  If the Corporation's Common Stock is publicly
             traded (i) in the over-the-counter market and not on the
             Nasdaq National Market nor on any national securities
             exchange, the closing bid price of the Common Stock on the
             trading day in question, as reported by Nasdaq or an
             equivalent generally accepted reporting service, or (ii) on
             the Nasdaq National Market or on a national securities
             exchange, the closing sale price of the Common Stock on the
             National Market or the principal national securities exchange
             on which it is traded on the trading day in question.  For
             purposes of clause (i) above, if trading in the Common Stock
             is not reported by Nasdaq, the bid price referred to in said
             clause shall be the lowest bid price as reported in the "pink
             sheets" published by National Quotation Bureau, Incorporated
             or the NASD Electronic Bulletin Board.  For purposes of
             clause (ii) above, the closing price shall be the last
             reported sale price on the trading day in question or, if no
             reported sale took place on such day, the average of the
             reported closing bid and asked prices on such day.

                  (b)  If the Common Stock is not publicly traded, the
             fair value of the Common Stock as determined in good faith by
             the Board after taking into consideration all factors which
             it deems appropriate, including without limitation recent
             sale and offer prices of the Common Stock in private
             transactions negotiated at arm's length.

        Incentive Stock Option:  Any Option granted under this Plan which
        is intended to satisfy the requirements of an incentive stock
        option as defined in Section 422 of the Internal Revenue Code of
        1986, as amended.

        Non-Employee Director:  Has the meaning specified in Rule 16b-3.

        Non-Qualified Option:  Any Option granted under this Plan which is
        not intended to be an Incentive Stock Option.

        Option:  An Option or options granted from time to time pursuant
        to Section 8 of this Plan.

        Parent Corporation:  Has the meaning specified in Section 424(e)
        of the Code.

        Participant:  Any person who becomes eligible to receive an Award
        pursuant to the provisions of Section 3 of this Plan.<PAGE>




        Plan:  This 1996 Aquila Biopharmaceuticals, Inc. Stock Award and
        Option Plan, as it may be amended from time to time.

        Recipient:  A Participant to whom an Award is made under the
        provisions of this Plan.

        Related Company:  Any entity which is either (i) a Parent
        Corporation or (ii) a Subsidiary Corporation.

        Restricted Stock:  Common Stock awarded pursuant to Section 7 of
        this Plan.

        Rule 16b-3:  Rule 16b-3 under Section 16 of the Exchange Act, or
        any successor rule promulgated by the Securities and Exchange
        Commission pursuant thereto.

        Stock Appreciation Rights or SAR:  Rights awarded pursuant to
        Section 9 of this Plan.

        Subsidiary Corporation:  Has the meaning specified in
        Section 424(f) of the Code.

        Ten Percent Stockholder:  An individual who directly or indirectly
        owns or possesses more than ten percent of the total combined
        voting power of all classes of capital stock of the Corporation or
        a Related Company.

        III. Eligibility

             A.   Eligible Participants:  The individuals who shall be
        eligible to participate in the Plan shall be such employees,
        officers, consultants and advisors of the Corporation, or of any
        Related Company, as the Committee shall determine from time to
        time; provided, however, that only employees of the Corporation or
        of any Related Company shall be eligible to receive an Option
        which is an Incentive Stock Option.

             B.   Eligibility of Directors:  A director shall not be
        eligible for selection as a person to whom an Award may be granted
        under the Plan unless and until such director is expressly
        declared eligible to participate in the Plan by action of the
        Board or the Committee.  Such initial declaration of eligibility
        shall be prospective in nature and shall be for a period of
        specific duration.

        IV.  Plan Administration

             A.   Administration:  The Plan may be administered by a
        committee of two or more Non-Employee Directors, but the fact that
        one or more members of the Committee is not a Non-Employee
        Director shall not affect the authority of the Committee to
        administer this Plan, except as provided in Section 11 of this
        Plan.  The Board may, in its discretion, elect to administer the
        Plan rather than delegating such task to the Committee, and, in<PAGE>




        such case, references to the Committee herein shall be deemed to
        include the Board acting in such capacity.

             B.   Administrative Powers:  The Committee shall have the
        power to interpret and administer the Plan and full authority to
        act in selecting the Participants to whom awards will be granted,
        in determining the type and amount of Award to be granted to each
        such Participant, the terms and conditions of Awards granted under
        the Plan, and the terms of agreements which will be entered into
        with each Recipient.  In determining individuals who are to
        receive Awards, the Committee shall consider the individual's
        position, responsibilities, service, accomplishments, present and
        future value to the Corporation, the anticipated length of his
        future service, and other relevant factors.  The Committee shall
        have the power to make regulations for carrying out the Plan and
        to make changes in such regulations as it from time to time deems
        proper.  Any interpretation by the Committee of the terms and
        provisions of the Plan and the administration thereof and all
        action taken by the Committee, shall be final, binding and
        conclusive on the Corporation, its stockholders, Affiliates, all
        Participants, their respective legal representatives, successors
        and assigns and upon all other persons claiming under or through
        any of them.

             C.   Limitations on Liability:  Members of the Committee
        acting under the Plan shall be fully protected in relying in good
        faith upon the advice of counsel and shall incur no liability
        except for gross negligence or willful misconduct in the
        performance of their duties.

        V.   Shares Subject to the Plan

             A.   Aggregate Number:  Subject to adjustment as provided in
        this Section 5 and in Section 12, the total number of shares of
        Common Stock which shall be reserved by the Corporation and which
        shall be available for issuance in the form of any stock based
        Award (excluding Stock Appreciation Rights) under the Plan shall
        be 2,000,000 shares of Common Stock in the aggregate.  Shares of
        Common Stock available for issuance under this Plan are available
        for any stock based Award under this Plan.  Shares of Common Stock
        awarded under this Plan may consist, in whole or in part, of
        authorized and unissued shares or of treasury shares.  No more
        than 2,000,000 Stock Appreciation Rights shall be available for
        issuance under this Plan.

             B.   Adjustments:  The number of shares of Common Stock
        available under this Plan shall not be increased by the number of
        shares subject to any Option or part thereof which shall have been
        canceled as a result of the exercise of Stock Appreciation Rights
        issued in tandem with such Option.  In addition, the number of
        shares and SARs available under this Plan shall be increased by
        the number of shares or SARs with respect to which Awards are made
        under this Plan by the assumption of or substitution for
        outstanding grants of another company acquired<PAGE>




        by the Corporation.  If any shares subject to any Award granted
        hereunder are forfeited or such Award otherwise terminates without
        the issuance of such shares or of other consideration in lieu of
        such shares, the shares subject to such Award, to the extent of
        any such forfeiture or termination, shall again be available for
        grant under this Plan except as provided in Section 9.3 with
        respect to certain Stock Appreciation Rights.  Notwithstanding
        anything to the contrary in this Section 5.2, no more than the
        aggregate number of shares and Stock Appreciation Rights provided
        in Section 5.1 shall be available for issuance to under this Plan.

        VI.  Deferred Stock

             The grant of Deferred Stock shall be upon the following rules
        and conditions:

             A.   Deferred Stock Grants:  Deferred Stock refers to the
        grant of a present right to receive Common Stock at some future
        date, subject to certain conditions or events.  Deferred Stock
        shall be evidenced by Deferred Stock agreements.  Such agreements
        shall conform to the requirements of the Plan and may contain such
        other provisions (including, but not limited to, vesting and
        forfeiture provisions or provisions for the protection of Deferred
        Stock in the event of mergers, consolidations, dissolutions and
        liquidation, affecting either the agreement or the stock issued
        thereunder) as the Committee shall deem advisable at the time of
        grant.

             B.   Crediting of Deferred Stock:  Upon determination of the
        number of shares of Deferred Stock to be granted to a Recipient,
        the Committee shall direct that the same be credited to the
        Recipient's account on the books of the Corporation, but that
        issuance and delivery of the same shall be deferred until the date
        or dates provided in Section 6.4 hereof.  Prior to issuance and
        delivery hereunder, the Recipient shall have no rights as a
        stockholder with respect to any shares of Deferred Stock credited
        to his or her account.

             C.   Payments Equivalent to Dividends:  During the period
        that shares of Deferred Stock remain credited to the account of a
        Recipient and before their issuance and delivery, the Board may
        determine that a Recipient shall have the right to receive
        payments equivalent to dividends.  In the event the Board
        determines to pay the Recipient payments equivalent to dividends,
        the Corporation shall pay to the Recipient as additional
        compensation, on each date dividends on Common Stock are paid, a
        sum of money equal to what would have been received if the shares
        of Deferred Stock credited to the account of the Recipient had
        been owned by him outright.

             D.   Delivery:  Subject to the terms and conditions described
        herein and contained in the Deferred Stock agreement, the shares
        of Deferred Stock credited to the account of a<PAGE>




        Recipient shall be issued and delivered to the Recipient in one or
        more installments beginning with such date as the Committee may
        determine.  The Committee may, in its sole discretion, modify,
        waive restrictions on, or accelerate the delivery of any shares of
        Deferred Stock under such circumstances as it deems appropriate.

        VII. Restricted Stock

             The grant of Restricted Stock shall be upon the following
        rules and conditions:

             A.   Restricted Stock Grants:  Restricted Stock refers to
        shares of Common Stock issued to the Recipient pursuant to a grant
        hereunder which are subject to substantial restrictions on
        transfer or are subject to forfeiture under certain circumstances.
        The restrictions may lapse as a result of the passage of time, the
        occurrence of certain events, or for other reasons.  Restricted
        Stock shall be evidenced by Restricted Stock agreements.  Such
        agreements shall conform to the requirements of the Plan and may
        contain such other provisions (including, but not limited to,
        forfeiture provisions for the protection of Restricted Stock in
        the event of mergers, consolidations, dissolutions and
        liquidation, affecting either the agreement or the stock issued
        thereunder) as the Committee shall deem advisable at the time of
        award of Restricted Stock grants.

             B.   Issuance of Restricted Stock:  Upon determination of the
        number of shares of Restricted Stock to be awarded to a Recipient,
        the Committee shall direct that a certificate representing the
        number of shares of Common Stock be issued to the Recipient as the
        registered owner.  The certificate representing such shares shall
        either bear a legend as to restrictions on sale, transfer,
        assignment, pledge or as to other encumbrances during the
        restriction period, or be deposited by the Recipient, together
        with a stock power endorsed in blank, with the Corporation.

             C.   Dividends and Voting Rights:  During the restriction
        period, the Recipient shall have the right to receive dividends
        from, and to vote the shares of, Restricted Stock.

             D.   Delivery:  The Restricted Stock agreement shall specify
        the duration of the restriction period and the performance and/or
        employment conditions under which the Restricted Stock may be
        forfeited to the Corporation.  At the end of the restricted period
        the restrictions imposed hereunder shall lapse with respect to the
        number of shares of Restricted Stock subject to that restriction
        and the legend shall be removed or the shares delivered, as the
        case may be, with respect to such number.  The Committee may, in
        its sole discretion, modify or accelerate the vesting of shares of
        Restricted Stock.<PAGE>




        VIII.     Options

             The Grant of Options shall be upon the following rules and
        conditions:

             A.   Option Grants:  Options shall be evidenced by Option
        agreements.  Such agreement shall conform to the requirements of
        the Plan, and may contain such other provisions (including, but
        not limited to, vesting provisions, restrictions upon the exercise
        of the Option, or provisions for the protection of Options in the
        event of mergers, consolidations, dissolutions, and liquidation
        affecting either the agreement or the shares subject to such
        Options) as the Committee shall deem advisable at the time of
        grant.

             B.   Option Price:  The price at which Common Stock may be
        purchased upon exercise of an Option shall be determined by the
        Committee, but shall not be less than the greater of the Fair
        Market Value of such shares on the date the Option is granted or
        the par value of such Common Stock.  In the case of a Ten Percent
        Stockholder, the price at which Common Stock may be purchased upon
        the exercise of the Option intended to be an Incentive Stock
        Option shall not be less than 110% of Fair Market Value of such
        shares on the date of grant.

             C.   Terms of Options:  The Option agreements shall specify
        when an Option may be exercisable and the terms and conditions
        applicable in the event of the Recipient's termination of
        employment during the Option's term.  In any case, no Incentive
        Stock Option may be granted after 10 years from the Consummation
        Date and the term of an Option which is an Incentive Stock Option
        shall in no event be greater than 10 years.  In the case of a Ten
        Percent Stockholder, the term of an Incentive Stock Option shall
        in no event be greater than 5 years.

             D.   Incentive Stock Options:  Each provision of the Plan and
        each Option agreement relating to an Option intended to be an
        Incentive Stock Option shall be construed so that it will qualify
        as an incentive stock option as defined in Section 422 of the Code
        to the maximum extent possible.  In no event may a Recipient be
        granted Incentive Stock Options which do not comply with such
        grant and vesting limitations as may be prescribed by the Code.
        To the extent that the aggregate Fair Market Value of Common Stock
        with respect to which Incentive Stock Options are exercisable for
        the first time by any individual during any calendar year, under
        all plans of the Corporation and any Parent or Subsidiary
        Corporation, exceeds $100,000, such excess Options shall be
        treated as Options which are not Incentive Stock Options.

             E.   Payment of Exercise Price:  The exercise price of the
        Option shall be paid as follows:  (i) in full in cash at the time
        of the exercise; (ii) with the consent of the Committee, in whole
        or in part in Common Stock valued at Fair Market Value, whether<PAGE>




        such Common Stock be (a) tendered by the Recipient or (b) withheld
        by the Corporation pursuant to a request by the Recipient to have
        part of the shares covered by the Option withheld in payment of
        the exercise price; (iii) in whole or in part through the exercise
        of an SAR; or (iv) by any other means determined by the Committee.
        A Recipient shall have the rights of a stockholder with respect to
        any shares subject to an Option from and after its exercise until
        a certificate for such shares shall have been issued to him.

        IX.  Stock Appreciation Rights

             The grant of Stock Appreciation Rights ("SARs") shall be
        subject to the following rules and conditions:

             A.   Stock Appreciation Right Grants:  Stock Appreciation
        Rights are rights to receive a payment in cash, Common Stock,
        Restricted Stock or Deferred Stock, as selected by the Committee.
        These rights, which are determined by the appreciation in Common
        Stock, shall be evidenced by Stock Appreciation Rights agreements.
        Such agreements shall conform to the requirements of the Plan and
        may contain such other provisions (including, but not limited to,
        vesting and forfeiture provisions, or provisions for protection of
        such SARs in the event of mergers, consolidations, dissolutions
        and liquidation affecting either the agreement or the shares on
        which the SARs are based) as the Committee shall deem advisable at
        the time of grant.  An SAR may be granted in tandem with all or a
        portion of a related Option under the Plan ("Tandem SAR") or may
        be granted separately ("Freestanding SAR").  A Tandem SAR may be
        granted either at the time of the grant of the related Option or
        at any time thereafter during the term of the related Option,
        shall have a term equal to the remaining term of the related
        Option, and shall be capable of being exercised only to the extent
        that the related Option is capable of being exercised.  In no
        event shall a Freestanding SAR be exercisable within the first six
        months of its grant, or in the case of a Tandem SAR within the
        first six months of the grant of the related Option.  In no event
        shall the term of a Freestanding SAR exceed 5 years.  The term of
        a Freestanding SAR shall be set by the Committee at the time of
        grant.

             B.   SAR Exercise Value:  The Exercise Value of a Tandem SAR
        shall be the exercise price under the related Option.  The
        Exercise Value of a Freestanding SAR shall not be less than 100%
        of the Fair Market Value of the Common Stock, as determined by the
        Committee, on the date of grant of the Freestanding SAP.

             C.   Exercise of SAR:  A Tandem SAR and a Freestanding SAR
        shall entitle the Recipient to receive a payment equal to the
        excess of the Fair Market Value of the shares of Common Stock
        covered by the SAR on the date of exercise over the exercise value
        of the SAR.  Notwithstanding the foregoing, at any time prior to
        the exercise of the SAR, the Committee may unilaterally limit the
        amount it will pay in excess of the Exercise Value on<PAGE>




        account of the SAR. Such payment may be in cash, in shares of
        Common Stock, Deferred Stock, Restricted Stock or any combination
        as the Committee shall determine.  As determined by the Committee
        at the time of grant, a Tandem SAR may be issued either as an
        irrevocable alternative to the exercise of the related Option, or
        as a right to be automatically exercised in connection with the
        exercise of the related Option.  Upon exercise of a Tandem SAR
        which is issued as an irrevocable alternative to the related
        Option, the related Option shall be canceled automatically to the
        extent of the number of shares covered by such exercise, and such
        shares shall no longer be available for grant under this Plan.
        Upon exercise of an Option with respect to which a Tandem SAR has
        been issued as an irrevocable alternative to the Option, the
        Tandem SAR shall be canceled automatically to the extent of the
        number of shares covered by the exercise of the related Option and
        such SARs shall no longer be available for grant under this Plan.

             D.   Terms of SAR:  SARs shall be subject to the same terms
        and conditions applicable to Options as stated in Section 8.3.
        SARs shall also be subject to such other terms and conditions not
        inconsistent with this Plan as shall be determined by the
        Committee at the time of grant. Vesting of a Freestanding SAR
        shall be determined by the Committee at the time of grant. Vesting
        of a Tandem SAR shall be the same as the related Option.

        X.   Discounted Option

             The grant of Discounted Options shall be subject to the
        following rules and conditions:

             A.   Discounted Option Grant:  Discounted Options shall be
        evidenced by Discounted Option agreements.  Such agreements shall
        conform to the requirements of the plan, and may contain such
        other provisions (including, but not limited to, vesting and
        forfeiture provisions, restrictions upon the exercise of the
        Discounted Option, or provisions for the protection of the
        Discounted Option in the event of mergers, consolidations,
        dissolutions and liquidation affecting either the agreements of
        the shares subject to such Options) as the Committee shall deem
        advisable at the time of grant.  A Discounted Option can be
        granted in order to allow a Participant to defer current
        compensation (including director's fees) or as an additional
        benefit to a Participant.

             B.   Discounted Option Price:  The price at which Common
        Stock may be purchased upon exercise of a Discounted Option shall
        be a stated percentage of the Fair Market Value or as otherwise
        determined by the Committee at the tine of grant.  The price of a
        Discounted Option at the discretion of the Committee, may include
        a cost guarantee against a decline in the Fair Market Value of the
        Shares subject to the Option where appropriate, or a provision
        that the original discount shall be paid in cash, without
        interest, if the Option expires unexercised.<PAGE>




             C.   Terms of Discounted Option:  The Discounted Option
        agreement shall specify when a Discounted Option may be
        exercisable and the terms and conditions applicable in the event
        of the termination of Recipient's employment or association with
        the Corporation during the discounted Option term.

             D.   Payment of Discounted Option Exercise Price:  The
        exercise price of the Discounted Option shall be paid in full in
        cash or, with the consent of the Committee, in whole or in part
        with Common Stock valued at Fair Market Value.  The Committee may
        permit Common Stock used as payment to be (i) tendered by the
        Recipient or (ii) withheld by the Corporation pursuant to an
        election by the Recipient to have part of the shares covered by
        the Option withheld in payment of the exercise price.  A Recipient
        shall have the rights of a stockholder with respect to any Shares
        subject to a Discounted Option from and after its exercise until a
        stock certificate for such shares shall have been received by him.

        XI.  Awards to Officers and Directors

             A.   General:  Awards may be granted to officers or directors
        of the Corporation only (i) if approved by the full Board, (ii) if
        approved by, or only in accordance with the recommendations of a
        committee of two or more Non-Employee Directors, (iii) if approved
        by the stockholders of the Corporation before or after the grant
        but not later than the date of the next annual meeting of
        stockholders, or (iv) if the Award granted hereunder or received
        upon exercise of any Award granted hereunder must by its terms be
        held for at least six months from the date of grant.

             B.   Change of Rule:  Notwithstanding Section 11.1, in the
        event that Rule 16b-3 is further amended after August 15, 1996 the
        Committee may, to the extent it determines appropriate, adopt any
        different rules for administration of the Plan so that any Awards
        to officers or directors will qualify for exemption under
        Rule 16b-3.

        XII. Adjustments Upon Changes in Capitalization

             In the event of a reorganization, recapitalization, stock
        split, stock dividend, combination of shares, merger,
        consolidation or any other change in the corporate structure of
        the Corporation affecting Common Stock, or a sale by the
        Corporation of all or part of its assets, or any distribution to
        stockholders other than a normal cash dividend, the Board shall
        make appropriate adjustments in the number and kind of shares
        authorized by the Plan and any adjustments to outstanding Awards
        as it determines appropriate.  No fractional shares of Common
        Stock shall be issued pursuant to such an adjustment, however, and
        the Fair Market Value of any fractional shares resulting from
        adjustments pursuant to this section shall be paid in cash to the
        Recipient.<PAGE>




        XIII.     Effective Date, Termination and Amendment

             The Plan shall become effective on the Consummation Date
        under the Plan of Reorganization of Cambridge Biotech Corporation
        under Chapter 11 of the United States Bankruptcy Code confirmed by
        the United States Bankruptcy Court for the District of
        Massachusetts (Case No. 94-43054-JFQ).  The Plan shall remain in
        full force and effect until terminated by the Board, which shall
        have the power to amend, suspend or terminate the Plan at any time
        including, without limitation, the power to amend the Plan so as
        to allow the Plan to conform to any exemption now available or to
        become available under the provisions of the Rule or any
        subsequent rule or regulation enacted in its place; provided, that
        no such amendment shall be made without stockholder approval which
        shall:

                  a.   Increase (except as provided in Section 5 and
             Section 12) the total number of shares available for issuance
             pursuant to the Plan.

                  b.  Change the class of person eligible to be
             Recipients.

                  c. Decease the exercise price of Options stated in
             Section 8 and Section 10 or the exercise value of the SARs
             stated in Section 9.

                  d.  Change the Plan in such a way as to require
             stockholder approval of such change under Section 424 of the
             Code.

        XIV. Forfeiture

             Awards may provide that they are forfeitable if the Recipient
        terminates his or her employment with the Corporation or a Related
        Company, for any reasons other than death or retirement, except
        that the Committee shall have the authority to provide for their
        continuation in whole or in part whenever in its judgment the
        Committee shall determine that such continuation is in the best
        interests of the Corporation.  Awards may furthermore be forfeited
        by a Recipient if the Committee determines that the Recipient is
        at any time engaged in any activity harmful to the interest of, or
        in competition with, the (Corporation or a Related Company or
        accepts employment with a competitor.

        XV.  Non-Assignability

             Awards of Incentive Stock Options may not be pledged,
        assigned or transferred for any reason during the Recipient's
        lifetime except pursuant to a qualified domestic relations order,
        and any attempt to do so shall be void.  The pledge, assignment or
        transfer of any other Award may be restricted to the extent<PAGE>




        determined by the Committee on a case-by-case basis in granting
        any Award.

        XVI. Beneficiary Upon Recipient's Death

             In the event of the death of a Recipient, all of such
        Recipient's interest in any Award shall pass to such Recipient's
        personal representative, heir or distributee, which personal
        representative, heir or distributee shall be subject to all of the
        terms mad conditions of the Award.

        XVII.     Change of Control

             A.   Vesting:  Notwithstanding any other provisions of the
        Plan to the contrary, upon the occurrence of a Change of Control
        (as defined below) the forfeitability provisions with respect to
        any Awards, including Awards of Deferred Stock, Restricted Stock,
        Options, Discounted Options or Stock Appreciation Rights, and any
        restrictions on exercise of an Award resulting from termination of
        employment, will lapse and such Awards shall be fully vested and
        nonforfeitable.  Upon the occurrence of a Change of Control, all
        the restrictions on Restricted Stock shall lapse and be of no
        effect and the Corporation shall deliver to the holder of such
        shares certificates representing the number of shares and
        securities on which restrictions have so lapsed, within 30 days of
        the Change of Control.  The replacement shares will only be
        delivered upon tender by the holder of such certificates which may
        have been previously delivered to the Recipient of Restricted
        Stock bearing legends with respect to such restrictions.

             B.   Change of Control Defined:  A "Change of Control" shall
        be deemed to have occurred on the earlier of (i) the close of
        business on the 10th day after the date of the first public
        announcement (including a press release or a report filed pursuant
        to Section 13(d) of the Exchange Act) by the Corporation or any
        person that such person has become the owner of 20% or more of the
        (Corporation's Voting Power or (ii) immediately prior to
        consummation of a tender or exchange offer if, upon consummation
        thereof, the person making such offer would become owner of 20% or
        more of the Corporation's Voting Power.  Notwithstanding the
        foregoing, no person shall be considered to have become the owner
        of 20% or more of the Voting Power merely as a result of
        acquisitions of Common Stock by the Corporation which, by reducing
        the number of shares outstanding, increased the proportionate
        shares beneficially owned, directly or indirectly, by such person;
        except that if such person becomes the owner of 20% or more of the
        Voting Power in such manner, then the acquisition of any
        additional shares by such person will be deemed to be a Change of
        Control.

             C.   Other Definitions:  For purposes of determining a Change
        of Control, a "person" as used in this Section 17 shall not
        include (i) the Corporation, (ii) any Affiliate of the
        Corporation, (iii) any employee benefit plan of the Corporation<PAGE>




        or of any Affiliate of the Corporation, or (iv) any entity or
        person holding shares of Common Stock, organized, appointed or
        established by the Corporation or any Affiliate for or pursuant to
        the terms of any such plan.

             For purposes of this Section 17, a Disinterested Director is
        any person who is not (i) an employee of the Corporation or any
        Affiliate, (ii) a person who owns 20% or more of the Voting Power
        of the Corporation, or a representative or a nominee of such
        person, or (iii) a person who becomes a member of the Board
        subsequent to the date of this Plan, unless such person's
        nomination is recommended or approved by a majority of directors
        who are not described in (i) or (ii) above.

             References herein to a person's Voting Power means the
        beneficial ownership (as defined in Rule 13d-3 under the Exchange
        Act), directly or indirectly, by that person of securities
        possessing the specified level of the combined voting power of all
        the Corporation's then outstanding securities entitled to vote in
        election of directors.

        XVIII.    General Provisions

             A.   No Employment:  Nothing contained in the Plan or in any
        Award granted pursuant to the Plan shall confer upon any Employee
        any right with respect to continuance of employment by the
        Corporation or an Affiliate, nor interfere in any way with the
        right of the Corporation or an Affiliate to terminate the
        employment of any employee at any time with or without assigning
        any reason therefor.

             B.   Transfers:  For purposes of this Plan, transfer of
        employment between the Corporation and its Affiliates shall not be
        deemed termination of employment.

             C.   Taxes:  Appropriate provision may be made for all taxes
        required to be withheld in connection with any Award, the exercise
        thereof and the transfer of shares of Common Stock with respect of
        any federal, state or local withholding taxes whether domestic or
        foreign.

             D.   Business Days:  If any day on or before which action
        under the Plan must be taken falls on a Saturday, Sunday or legal
        holiday, such action may be taken on the next succeeding day not a
        Saturday, Sunday or legal holiday.

             E.   Foreign Participants:  Without amending the Plan, Awards
        may be granted to employees who are foreign nationals or employed
        outside the United States or both, on such terms and conditions
        different from those specified in the Plan as may, in the judgment
        of the Committee, be necessary or desirable to further the purpose
        of the Plan.<PAGE>




             F.   Governing Law:  To the extent that federal laws (such as
        the Exchange Act, the Code, or the Employee Retirement Income
        Security Act of 1974) do not otherwise control, the Plan and all
        determinations made and actions taken pursuant hereto shall be
        governed by the law of Delaware and interpreted accordingly.

             G.   Amendment:  The Committee may amend any outstanding
        Awards to the extent it deems appropriate.  Such amendment may be
        unilateral by the Committee, except in the case of amendments
        adverse to the Recipient, in which case the Recipient's consent is
        required to any such amendment.  The Committee may permit a
        Recipient to exchange rights of any kind awarded hereunder for
        other rights hereunder at any time.  Incentive Stock Options
        awarded hereunder may be converted to Non-Qualified Options upon
        approval of the Committee.  The Committee may grant Awards under
        this plan to evidence the assumption by the Corporation of, and in
        substitution for, outstanding grants from an acquired company.

        Approved by the Board of Directors:     October 28, 1996   






                                   EXHIBIT 10.13

                          AQUILA BIOPHARMACEUTICALS, INC.
                    1996 DIRECTORS STOCK AWARD AND OPTION PLAN


        I.   Purpose

             This 1996 Stock Award and Option Plan is intended to be an
        equity compensation plan which will advance the best interests of
        Aquila Biopharmaceuticals, Inc. (the "Corporation") by providing
        the Corporation's directors with additional incentives for
        performance which furthers the interest and success of the
        Corporation.

        II.  Definitions 

             Whenever used in this Plan, the following terms will have the
        indicated meanings:

        Affiliate:  Any person controlled by or under common control with
        the Corporation or, as determined by the board, a person in which
        the Corporation has a substantial direct or indirect equity
        interest.

        Award:  Any award of Deferred Stock, Restricted Stock, Options,
        Discounted Options, or Stock Appreciation Rights under this Plan.

        Board:  The Board of Directors of the Corporation.

        Change of Control:  Has the meaning specified in Section 17.2
        hereof.

        Code:  The Internal Revenue Code of 1986, as amended, and any
        successor statute.

        Common Stock:  The common stock of the Corporation, $0.01 par
        value per share, or other class or kind of security as may be
        applicable under Section 12.

        Corporation:  Aquila Biopharmaceuticals, Inc., a Delaware
        corporation, and any successor to substantially all of its
        business.

        Committee:  The body designated by the Board to administer this
        Plan pursuant to Section 4 hereof.

        Deferred Stock:  Common Stock rights awarded pursuant to Section 6
        of this Plan.

        Discounted Options:  Options granted pursuant to Section 10 of
        this Plan.<PAGE>




        Effective Date:  Has the meaning specified in Section 13 hereof.

        Exchange Act:  The Securities Exchange Act of 1934, as amended,
        and any successor statute.

        Exercise Value:  Has the meaning specified in Section 9.2 hereof.

        Fair Market Value:

                  (a)  If the Corporation's Common Stock is publicly
             traded (i) in the over-the-counter market and not on the
             Nasdaq National Market nor on any national securities
             exchange, the closing bid price of the Common Stock on the
             trading day in question, as reported by Nasdaq or an
             equivalent generally accepted reporting service, or (ii) on
             the Nasdaq National Market or on a national securities
             exchange, the closing sale price of the Common Stock on the
             National Market or the principal national securities exchange
             on which it is traded on the trading day in question.  For
             purposes of clause (i) above, if trading in the Common Stock
             is not reported by Nasdaq, the bid price referred to in said
             clause shall be the lowest bid price as reported in the "pink
             sheets" published by National Quotation Bureau, Incorporated
             or the NASD Electronic Bulletin Board.  For purposes of
             clause (ii) above, the closing price shall be the last
             reported sale price on the trading day in question or, if no
             reported sale took place on such day, the average of the
             reported closing bid and asked prices on such day.

                  (b)  If the Common Stock is not publicly traded, the
             fair value of the Common Stock as determined in good faith by
             the Board after taking into consideration all factors which
             it deems appropriate, including without limitation recent
             sale and offer prices of the Common Stock in private
             transactions negotiated at arm's length.

        Incentive Stock Option:  Any Option granted under this Plan which
        is intended to satisfy the requirements of an incentive stock
        option as defined in Section 422 of the Internal Revenue Code of
        1986, as amended.

        Non-Employee Director:  Has the meaning specified in Rule 16b-3.

        Non-Qualified Option:  Any Option granted under this Plan which is
        not intended to be an Incentive Stock Option.

        Option:  An Option or options granted from time to time pursuant
        to Section 8 of this Plan.

        Parent Corporation:  Has the meaning specified in Section 424(e)
        of the Code.<PAGE>




        Participant:  Any person who becomes eligible to receive an Award
        pursuant to the provisions of Section 3 of this Plan.

        Plan:  This 1996 Aquila Biopharmaceuticals, Inc. Director Stock
        Award and Option Plan, as it may be amended from time to time.

        Recipient:  A Participant to whom an Award is made under the
        provisions of this Plan.

        Related Company:  Any entity which is either (i) a Parent
        Corporation or (ii) a Subsidiary Corporation.

        Restricted Stock:  Common Stock awarded pursuant to Section 7 of
        this Plan.

        Rule 16b-3:  Rule 16b-3 promulgated under Section 16 of the
        Exchange Act, or any successor rule promulgated by the Securities
        and Exchange Commission pursuant thereto.

        Stock Appreciation Rights or SAR:  Rights awarded pursuant to
        Section 9 of this Plan.

        Subsidiary Corporation.  Has the meaning specified in Section
        424(f) of the Code.

        Ten Percent Stockholder:  An individual who directly or indirectly
        owns or possesses more than ten percent of the total combined
        voting power of all classes of capital stock of the Corporation or
        a Related Company.

        III. Eligibility

             A.   Eligible Participants:  The individuals who shall be
        eligible to participate in the Plan shall be such directors of the
        Corporation, or of any Related Company, as the Committee shall
        determine from time to time; provided, however, that only
        employees of the Corporation or of any Related Company shall be
        eligible to receive an Option which is an Incentive Stock Option.

        IV.  Plan Administration

             A.   Administration:  The Plan may be administered by a
        committee of two or members of the Board of Directors who are
        appointed by the Board.  Each of the members of the Committee
        shall be a Non-Employee Director.  The Board may, in its
        discretion, elect to administer the Plan rather than delegating
        such task to the Committee, and, in such case, references to the
        Committee herein shall be deemed to include the Board acting in
        such capacity.

             B.   Administrative Powers:  The Committee shall have the
        power to interpret and administer the Plan and full authority to
        act in selecting the Participants to whom awards will be granted,
        in determining the type and amount of Award to be granted to each<PAGE>




        such Participant, the terms and conditions of Awards granted under
        the Plan and the terms of agreements which will be entered into
        with each Recipient.  In determining individuals who are to
        receive Awards, the Committee shall consider the individual's
        position, responsibilities, service, accomplishments, present and
        future value to the Corporation, the anticipated length of his
        future service, and other relevant factors.  The Committee shall
        have the power to make regulations for carrying out the Plan and
        to make changes in such regulations as it from time to time deems
        proper.  Any interpretation by the Committee of the terms and
        provisions of the Plan and the administration thereof and all
        action taken by the Committee, shall be final, binding and
        conclusive on the Corporation, its stockholders, Affiliates, all
        Participants, their respective legal representatives, successors
        and assigns and upon all other persons claiming under or through
        any of them.

             C.   Limitations on Liability:  Members of the Committee
        acting under the Plan shall be fully protected in relying in good
        faith upon the advice of counsel and shall incur no liability
        except for gross negligence or willful misconduct in the
        performance of their duties.

        V.   Shares Subject to the Plan

             A.   Aggregate Number:  Subject to adjustment as provided in
        this Section 5 and in Section 12, the total number of shares of
        Common Stock which shall be reserved by the Corporation and which
        shall be available for issuance in the form of any stock based
        Award (excluding Stock Appreciation Rights) under the Plan shall
        be 200,000 shares of Common Stock in the aggregate.  Shares of
        Common Stock available for issuance under this Plan are available
        for any stock based Award under this Plan.  Shares of Common Stock
        awarded under this Plan may consist, in whole or in part, of
        authorized and unissued shares or of treasury shares.  No more
        than 200,000 Stock Appreciation Rights shall be available for
        issuance under this Plan.

             B.   Adjustments:  The number of shares of Common Stock
        available under this Plan shall not be increased by the number of
        shares subject to any Option or part thereof which shall have been
        canceled as a result of the exercise of Stock Appreciation Rights
        issued in tandem with such Option.  If any shares subject to any
        Award granted hereunder are forfeited or such Award otherwise
        terminates without the issuance of such shares or of other
        consideration in lieu of such shares, the shares subject to such
        Award, to the extent of any such forfeiture or termination, shall
        again be available for grant under this Plan except as provided in
        Section 9.3 with respect to certain Stock Appreciation Rights.
        Notwithstanding anything to the contrary in this Section 5.2, no
        more than the aggregate number of shares and Stock Appreciation
        Rights provided in Section 5.1 shall be available for issuance to
        under this Plan.<PAGE>




        VI.  Deferred Stock

             The grant of Deferred Stock shall be upon the following rules
        and conditions:

             A.   Deferred Stock Grants:  Deferred Stock refers to the
        grant of a present right to receive Common Stock at some future
        date, subject to certain conditions or events.  Deferred Stock
        shall be evidenced by Deferred Stock agreements.  Such agreements
        shall conform to the requirements of the Plan and may contain such
        other provisions (including, but not limited to, vesting and
        forfeiture provisions or provisions for the protection of Deferred
        Stock in the event of mergers, consolidations, dissolutions and
        liquidation, affecting either the agreement or the stock issued
        thereunder) as the Committee shall deem advisable at the time of
        grant.

             B.   Crediting of Deferred Stock:  Upon determination of the
        number of shares of Deferred Stock to be granted to a Recipient,
        the Committee shall direct that the same be credited to the
        Recipient's account on the books of the Corporation, but that
        issuance and delivery of the same shall be deferred until the date
        or dates provided in Section 6.4 hereof.  Prior to issuance and
        delivery hereunder, the Recipient shall have no rights as a
        stockholder with respect to any shares of Deferred Stock credited
        to his or her account.

             C.   Payments Equivalent to Dividends:  During the period
        that shares of Deferred Stock remain credited to the account of a
        Recipient and before their issuance and delivery, the Board may
        determine that a Recipient shall have the right to receive
        payments equivalent to dividends.  In the event the Board
        determines to pay the Recipient payments equivalent to dividends,
        the Corporation shall pay to the Recipient as additional
        compensation, on each date dividends on Common Stock are paid, a
        sum of money equal to what would have been received if the shares
        of Deferred Stock credited to the account of the Recipient had
        been owned by him outright.

             D.   Delivery:  Subject to the terms and conditions described
        herein and contained in the Deferred Stock agreement, the shares
        of Deferred Stock credited to the account of a Recipient shall be
        issued and delivered to the Recipient in one or more installments
        beginning with such date as the Committee may determine.  The
        Committee may, in its sole discretion, modify, waive restrictions
        on, or accelerate the delivery of any shares of Deferred Stock
        under such circumstances as it deems appropriate.

        VII. Restricted Stock

             The grant of Restricted Stock shall be upon the following
        rules and conditions:<PAGE>




             A.   Restricted Stock Grants:  Restricted Stock refers to
        shares of Common Stock issued to the Recipient pursuant to a grant
        hereunder which are subject to substantial restrictions on
        transfer or are subject to forfeiture under certain circumstances.
        The restrictions may lapse as a result of the passage of time, the
        occurrence of certain events, or for other reasons.  Restricted
        Stock shall be evidenced by Restricted Stock agreements.  Such
        agreements shall conform to the requirements of the Plan and may
        contain such other provisions (including, but not limited to,
        forfeiture provisions for the protection of Restricted Stock in
        the event of mergers, consolidations, dissolutions, and
        liquidation, affecting either the agreement or the stock issued
        thereunder) as the Committee shall deem advisable at the time of
        award of Restricted Stock grants.

             B.   Issuance of Restricted Stock:  Upon determination of the
        number of shares of Restricted Stock to be awarded to a Recipient,
        the Committee shall direct that a certificate representing the
        number of shares of Common Stock be issued to the Recipient as the
        registered owner.  The certificate representing such shares shall
        either bear a legend as to restrictions on sale, transfer,
        assignment, pledge or as to other encumbrances during the
        restriction period, or be deposited by the Recipient, together
        with a stock power endorsed in blank, with the Corporation.

             C.   Dividends and Voting Rights:  During the restriction
        period, the Recipient shall have the right to receive dividends
        from, and to vote the shares of, Restricted Stock.

             D.   Delivery:  The Restricted Stock agreement shall specify
        the duration of the restriction period and the performance and/or
        employment conditions under which the Restricted Stock may be
        forfeited to the Corporation.  At the end of the restricted period
        the restrictions imposed hereunder shall lapse with respect to the
        number of shares of Restricted Stock subject to that restriction
        and the legend shall be removed or the shares delivered, as the
        case may be, with respect to such number.  The Committee may, in
        its sole discretion, modify or accelerate the vesting of shares of
        Restricted Stock.

        VIII.     Options

             The Grant of Options shall be upon the following rules and
        conditions:

             A.   Option Grants:  Options shall be evidenced by Option
        agreements.  Such agreement shall conform to the requirements of
        the Plan, and may contain such other provisions (including, but
        not limited to, vesting provisions, restrictions upon the exercise
        of the Option, or provisions for the protection of Options in the
        event of mergers, consolidations, dissolutions, and liquidation
        affecting either the agreement or the shares<PAGE>




        subject to such Options) as the Committee shall deem advisable at
        the time of grant.

             B.   Option Price:  The price at which Common Stock may be
        purchased upon exercise of an Option shall be determined by the
        Committee, but shall not be less than the greater of the Fair
        Market Value of such shares on the date the Option is granted or
        the par value of such Common Stock.  In the case of a Ten Percent
        Stockholder, the price at which Common Stock may be purchased upon
        the exercise of the Option intended to be an Incentive Stock
        Option shall not be less than 11O% of Fair Market Value of such
        shares on the date of grant.

             C.   Terms of Options:  The Option agreements shall specify
        when an Option may be exercisable and the terms and conditions
        applicable in the event of the Recipient's termination of
        employment during the Option's term.  In any case, no Incentive
        Stock Option may be granted after 10 years from the Consummation
        Date and the term of an Option which is an Incentive Stock Option
        shall in no event be greater than 10 years.  In the case of a Ten
        Percent Stockholder, the term of an Incentive Stock Option shall
        in no event be greater than 5 years.

             D.   Incentive Stock Options:  Each provision of the Plan and
        each Option agreement relating to an Option intended to be an
        Incentive Stock Option shall be construed so that it will qualify
        as an incentive stock option as defined in Section 422 of the Code
        to the maximum extent possible.  In no event may a Recipient be
        granted Incentive Stock Options which do not comply with such
        grant and vesting limitations as may be prescribed by the Code.
        To the extent that the aggregate Fair Market Value of Common Stock
        with respect to which Incentive Stock Options are exercisable for
        the first time by any individual during any calendar year, under
        all plans of the Corporation and any Parent or Subsidiary
        Corporation, exceeds $100,000, such excess Options shall be
        treated as Options which are not Incentive Stock Options.

             E.   Payment of Exercise Price:  The exercise price of the
        Option shall be paid as follows:  (i) in full in cash at the time
        of the exercise; (ii) with the consent of the Committee, in whole
        or in part in Common Stock valued at Fair Market Value, whether
        such Common Stock be (a) tendered by the Recipient or (b) withheld
        by the Corporation pursuant to a request by the Recipient, to have
        part of the shares covered by the Option withheld in payment of
        the exercise price; (iii) in whole or in part through the exercise
        of an SAR; or (iv) by any other means determined by the Committee.
        A Recipient shall have the rights of a stockholder with respect to
        any shares subject to an Option from and after its exercise until
        a certificate for such shares shall have been issued to him.<PAGE>




        IX.  Stock Appreciation Rights

             The grant of Stock Appreciation Rights ("SARs") shall be
        subject to the following rules and conditions: 

             A.   Stock Appreciation Right Grants:  Stock Appreciation
        Rights are rights to receive a payment in cash, Common Stock,
        Restricted Stock or Deferred Stock, as selected by the Committee.
        These rights, which are determined by the appreciation in Common
        Stock, shall be evidenced by Stock Appreciation Rights agreements.
        Such agreements shall conform to the requirements of the Plan and
        may contain such other provisions (including, but not limited to,
        vesting and forfeiture provisions, or provisions for protection of
        such SARs in the event of mergers, consolidations, dissolutions
        and liquidation affecting either the agreement or the shares on
        which the SARs are based) as the Committee shall deem advisable at
        the time of grant.  An SAR may be granted in tandem with all or a
        portion of a related Option under the Plan ("Tandem SAR") or may
        be granted separately ("Freestanding SAR").  A Tandem SAR may be
        granted either at the time of the grant of the related Option or
        at any time thereafter during the term of the related Option,
        shall have a term equal to the remaining term of the related
        Option, and shall be capable of being exercised only to the extent
        that the related Option is capable of being exercised.  In no
        event shall a Freestanding SAR be exercisable within the first six
        months of its grant, or in the case of a Tandem SAR within the
        first six months of the grant of the related Option.  In no event
        shall the term of a Freestanding SAR exceed 5 years.  The term of
        a Freestanding SAR shall be set by the Committee at the time of
        grant.

             B.   SAR Exercise Value:  The Exercise Value of a Tandem SAR
        shall be the exercise price under the related Option.  The
        Exercise Value of a Freestanding SAR shall not be less than 100%
        of the Fair Market Value of the Common Stock, as determined by the
        Committee, on the date of grant of the Freestanding SAR.

             C.   Exercise of SAR:  A Tandem SAR and a Freestanding SAR
        shall entitle the Recipient to receive a payment equal to the
        excess of the Fair Market Value of the shares of Common Stock
        covered by the SAR on the date of exercise over the exercise value
        of the SAR.  Notwithstanding the foregoing, at any time prior to
        the exercise of the SAR, the Committee may unilaterally limit the
        amount it will pay in excess of the Exercise Value on account of
        the SAR.  Such payment may be in cash, in shares of Common Stock,
        Deferred Stock, Restricted Stock or any combination as the
        Committee shall determine.  As determined by the Committee at the
        time of grant, a Tandem SAR may be issued either as an irrevocable
        alternative to the exercise of the related Option, or as a right
        to be automatically exercised in connection with the exercise of
        the related Option.  Upon exercise of a Tandem SAR which is issued
        as an irrevocable alternative to the related Option, the related
        Option shall be canceled automatically to the extent of the number
        of shares covered by such exercise, and such<PAGE>




        shares shall no longer be available for grant under this Plan.
        Upon exercise of a Option with respect to which a Tandem SAR has
        been issued as an irrevocable alternative to the Option. The
        Tandem SAR shall be canceled automatically to the extent of the
        number of shares covered by the exercise of the related Option and
        such SARs shall no longer be available for grant under this Plan.

             D.   Terms of SAR:  SARs shall be subject to the same terms
        and conditions applicable to Options as stated in Section 8.3.
        SARs shall also be subject to such other terms and conditions not
        inconsistent with this Plan as shall be determined by the
        Committee at the time of grant.  Vesting of a Freestanding SAR
        shall be determined by the Committee at the time of grant. Vesting
        of a Tandem SAR shall be the same as the related Option.

        X.   Discounted Options

             The grant of Discounted Options shall be subject to the
        following rules and conditions:

             A.   Discounted Option Grant:  Discounted Options shall be
        evidenced by Discounted Option agreements.  Such agreements shall
        conform to the requirements of the plan, and may contain such
        other provisions (including, but not limited to, vesting and
        forfeiture provisions, restrictions upon the exercise of the
        Discounted Option, or provisions for the protection of the
        Discounted Option in the event of mergers, consolidations,
        dissolutions and liquidation affecting either the agreements of
        the shares subject to such Options) as the Committee shall deem
        advisable at the time of grant.  A Discounted Option can be
        granted in order to allow a Participant to defer current
        compensation (including director's fees) or as an additional
        benefit to a Participant.

             B.   Discounted Option Price:  The price at which Common
        Stock may be purchased upon exercise of a Discounted Option shall
        be a stated percentage of the Fair Market Value or as otherwise
        determined by the Committee at the time of grant.  The price of a
        Discounted Option, at the discretion of the Committee, may include
        a cost guarantee against a decline in the Fair Market Value of the
        Shares subject to the Option where appropriate, or a provision
        that the original discount shall be paid in cash, without
        interest, if the Option expires unexercised.

             C.   Terms of Discounted Option:  The Discounted Option
        agreement shall specify when a Discounted Option may be
        exercisable and the terms and conditions applicable in the event
        of the termination of Recipient's employment or association with
        the Corporation during the discounted Option term.

             D.   Payment of Discounted Option Exercise Price:  The
        exercise price of the Discounted Option shall be paid in full in
        cash or, with the consent of the Committee, in whole or in part<PAGE>




        with Common Stock valued at Fair Market Value.  The Committee may
        permit Common Stock used as payment to be (i) tendered by the
        Recipient or (ii) withheld by the Corporation pursuant to an
        election by the Recipient to have part of the shares covered by
        the Option withheld in payment of the exercise price.  A Recipient
        shall have the rights of a stockholder with respect to any Shares
        subject to a Discounted Option from and after its exercise until a
        stock certificate for such shares shall have been received by him.

        XI.  Additional Restrictions on Grants to Directors

             A.   Formula Grants:  As of the Effective Date of this Plan,
        each director of the Corporation who is not an employee of the
        Corporation shall be granted Options under this Plan with respect
        to 10,000 shares of the Corporation's Common Stock, one-fourth
        vesting on that date and an additional one-fourth on the next
        three anniversary dates of the Effective Date of this Plan.  In
        addition, on the first trading day of each July after the
        Effective Date of this Plan, each such director shall be granted
        Options with respect to up to 2,500 shares of the Corporation's
        Common Stock.  Directors who are not employees of the Corporation
        and who are elected to such office for the first time subsequent
        to the Effective Date shall be granted Options for 10,000 shares
        of the Corporation's Common Stock as of the date the Recipient's
        initial service as a director becomes effective, which options
        shall vest one-fourth on the initial date of service and one-
        fourth on each anniversary date thereof.  Options granted pursuant
        to this Section 1 1. I shall have an exercise price which is equal
        to the Fair Market Value of the Corporation's Common Stock on the
        date of grant.  Such grants may contain such other terms and
        provisions as may otherwise be permissible under the provisions of
        this Plan and as the Committee shall deem advisable at the time of
        grant.

             B.   Other Grants:  Awards may be granted to officers or
        directors of the Corporation only (i) if approved by the full
        Board, (ii) if approved by, or only in accordance with the
        recommendations of a committee of two or more Non-Employee
        Directors, (iii) if approved by the stockholders of the
        Corporation before or after the grant but not later than the date
        of the next annual meeting of stockholders, or (iv) if the Award
        granted hereunder or received upon exercise of any Award granted
        hereunder must by its terms be held for at least six months from
        the date of grant.

             C.   Change of Rule:  Notwithstanding Section 11.1, in the
        event that Rule 16b-3 is further amended after August 15, 1996 the
        Committee may, to the extent it determines appropriate, adopt any
        different rules for administration of the Plan so that any Awards
        to officers or directors will qualify for exemption under
        Rule 16b-3.<PAGE>




        XII. Adjustments Upon Changes in Capitalization

             In the event of a reorganization, recapitalization, stock
        split, stock dividend, combination of shares, merger,
        consolidation or any other change in the corporate structure of
        the Corporation affecting Common Stock, or a sale by the
        Corporation of all or part of its assets, or any distribution to
        stockholders other than a normal cash dividend, the Board shall
        make appropriate adjustments in the number and kind of shares
        authorized by the Plan and any adjustments to outstanding Awards
        as it determines appropriate.  No fractional shares of Common
        Stock shall be issued pursuant to such an adjustment, however, and
        the Fair Market Value of any fractional shares resulting from
        adjustments pursuant to this section shall be paid in cash to the
        Recipient.

        XIII.     Effective Date, Termination and Amendment

             The Plan shall become effective on the Consummation Date
        under the Plan of Reorganization of Cambridge Biotech Corporation
        under Chapter 11 of the United States Bankruptcy Code confirmed by
        the United States Bankruptcy Court for the District of
        Massachusetts (Case No. 94-43054-JFQ).  The Plan shall remain in
        full force and effect until terminated by the Board, which shall
        have the power to amend, suspend or terminate the Plan at any time
        including, without limitation, the power to amend the Plan so as
        to allow the Plan to conform to any exemption now available or to
        become available under the provisions of the Rule or any
        subsequent rule or regulation enacted in its place; provided that
        no such amendment shall be made without stockholder approval which
        shall:

                  a.   Increase (except as provided in Section 5 and
             Section 12) the total number of shares available for issuance
             pursuant to the Plan.

                  b.  Change the class of person eligible to be
             Recipients.

                  c. Decease the exercise price of Options stated in
             Section 8 and Section 10 or the exercise value of the SARs
             stated in Section 9.

                  d.  Change the Plan in such a way as to require
             stockholder approval of such change under Section 424 of the
             Code.


        XIV. Forfeiture

             Awards may provide that they are forfeitable if the Recipient
        terminates his or her employment with the Corporation or a Related
        Company, for any reasons other than death or retirement, except
        that the Committee shall have the authority to<PAGE>




        provide for their continuation in whole or in part whenever in its
        judgment the Committee shall determine that such continuation is
        in the best interests of the Corporation.  Awards may furthermore
        be forfeited by a Recipient if the Committee determines that the
        Recipient is at any time engaged in any activity harmful to the
        interest of, or in competition with, the Corporation or a Related
        Company or accepts employment with a competitor.

        XV.  Non-Assignability

             Awards of Incentive Stock Options may not be pledged,
        assigned or transferred for any reason during the Recipient's
        lifetime other than pursuant to a qualified domestic relations
        order and any attempt to do so shall be void.  The pledge,
        assignment or transfer of any Award may be restricted to the
        extent determined by the Committee on a case by case basis in
        granting any Award.

        XVI. Beneficiary Upon Recipient's Death

             In the event of the death of a Recipient, all of such
        Recipient's interest in any Award shall pass to such Recipient's
        personal representative, heir or distributee, which personal
        representative, heir or distributee shall be subject to all of the
        terms and conditions of the Award.

        XVII.     Change of Control

             A.   Vesting:  Notwithstanding any other provisions of the
        Plan to the contrary, upon the occurrence of a Change of control
        (as defined below) the forfeitability provisions with respect to
        any Awards, including Awards of Deferred Stock, Restricted Stock,
        Options, Discounted Options or Stock Appreciation Rights, and any
        restrictions on exercise of an Award resulting from termination of
        employment, will lapse and such Awards shall be fully vested and
        nonforfeitable.  Upon the occurrence of a Change of Control, all
        the restrictions on Restricted Stock shall lapse and be of no
        effect and the Corporation shall deliver to the holder of such
        shares certificates representing the number of shares and
        securities on which restrictions have so lapsed, within 30 days of
        the Change of Control.  The replacement shares will only be
        delivered upon tender by the holder of such certificates which may
        have been previously delivered to the Recipient of Restricted
        Stock bearing legends with respect to such restrictions.

             B.   Change of Control Defined:  A "Change of Control" shall
        be deemed to have occurred on the earlier of (i) the close of
        business on the 10th day after the date of the first public
        announcement (including a press release or a report filed pursuant
        to Section 13(d) of the Exchange Act) by the Corporation or any
        person that such person has become the owner of 20% or more of the
        Corporation's Voting Power or (ii) immediately prior to
        consummation of a tender or exchange offer if upon<PAGE>




        consummation thereof, the person making such offer would become
        owner of 20% or more of the Corporation's Voting Power.
        Notwithstanding the foregoing, no person shall be considered to
        have become the owner of 20% or more of the Voting Power merely as
        a result of acquisitions of Common Stock by the Corporation which,
        by reducing the number of shares outstanding, increased the
        proportionate shares beneficially owned, directly or indirectly,
        by such person; except that if such person becomes the owner of
        20% or more of the Voting Power in such manner, then the
        acquisition of any additional shares by such person will be deemed
        to be a Change of Control.

             C.   Other Definitions:  For purposes of determining a Change
        of Control, a "person" as used in this Section 17 shall not
        include (i) the Corporation, (ii) any Affiliate of the
        Corporation, (iii) any employee benefit plan of the Corporation or
        of any Affiliate of the corporation, or (iv) any entity or person
        holding shares of Common Stock, organized, appointed or
        established by the Corporation or any Affiliate for or pursuant to
        the terms of any such plan.

             For purposes of this Section 17, a Disinterested Director is
        any person who is not (i) an employee of the Corporation or any
        Affiliate, (ii) a person who owns 20% or more of the Voting Power
        of the Corporation, or a representative or a nominee of such
        persons, or (iii) a person who becomes a member of the Board
        subsequent to the date of this Plan, unless such person's
        nomination is recommended or approved by a majority of directors
        who are not described in (i), (ii), or (iii) above.

             References herein to a person's Voting Power means the
        beneficial ownership (as defined in Rule 13d-3 under the Exchange
        Act), directly or indirectly, by that person of securities
        possessing the specified level of the combined voting power of all
        the Corporation's then outstanding securities entitled to vote in
        election of directors.

        XVIII.    General Provisions

             A.   No Employment:  Nothing contained in the Plan or in any
        Award granted pursuant to the Plan shall confer upon any Employee
        any right with respect to continuance of employment by the
        Corporation or an Affiliate, nor interfere in any way with the
        right of the Corporation or an Affiliate to terminate the
        employment of any employee at any time with or without assigning
        any reason therefor.

             B.   Transfers:  For purposes of this Plan, transfer of
        employment between the Corporation and its Affiliates shall not be
        deemed termination of employment.

             C.   Taxes:  Appropriate provision may be made for all taxes
        required to be withheld in connection with any Award, the exercise
        thereof and the transfer of shares of Common Stock with<PAGE>




        respect of any federal, state or local withholding taxes whether
        domestic or foreign.

             D.   Business Days:  If any day on or before which action
        under the Plan must be taken falls on a Saturday, Sunday or legal
        holiday, such action may be taken on the next succeeding day not a
        Saturday, Sunday or legal holiday.

             E.   Foreign Participants:  Without amending the Plan, Awards
        may be granted to employees who are foreign nationals or employed
        outside the United States or both, on such terms and conditions
        different from those specified in the Plan as may, in the judgment
        of the Committee, be necessary or desirable to further the purpose
        of the Plan.

             F.   Governing Law:  To the extent that federal laws (such as
        the Exchange Act, the Code, or the Employee Retirement Income
        Security Act of 1974) do not otherwise control, the Plan and all
        determinations made and actions taken pursuant hereto shall be
        governed by the law of Delaware and interpreted accordingly.

             G.   Amendment:  The Committee may amend any outstanding
        Awards to the extent it deems appropriate.  Such amendment may be
        unilateral by the Committee, except in the case of amendments
        adverse to the Recipient, in which case the Recipient's consent is
        required to any such amendment.  The Committee may permit a
        Recipient to exchange rights of any kind awarded hereunder for
        other rights hereunder at any time.  Incentive Stock Options
        awarded hereunder may be converted to Non-Qualified Options upon
        approval of the Committee.  The Committee may grant Awards under
        this plan to evidence the assumption by the Corporation of, and in
        substitution for, outstanding grants from an acquired company.

        Approved by Board of Directors:   October 28, 1996   






                                   EXHIBIT 10.14

                          AQUILA BIOPHARMACEUTICALS, INC.
                         1996 EMPLOYEE STOCK PURCHASE PLAN


        I.   Purposes

             The purposes of this Aquila Biopharmaceuticals, Inc. 1996
        Employee Stock Purchase Plan (the "Plan") are to provide an
        incentive for Eligible Employees to continue devoting their best
        efforts to the success of the Corporation, and to afford Eligible
        Employees an opportunity to obtain a proprietary interest in the
        continued growth and prosperity of the Corporation through
        ownership of its Common Stock acquired in a convenient fashion.

        II.  Definitions

             Whenever used in this Plan, the following terms will have the
        indicated meanings:

        Alternative Offering Price:  85% of the Fair Market Value of
        Shares on the last day of the Purchase Period.

        Corporation:  Aquila Biopharmaceuticals, Inc. and such of its
        subsidiaries existing as of the date of adoption of this Plan or
        thereafter acquired (corporations in respect of which Aquila
        Biopharmaceuticals, Inc. owns, directly or indirectly, at least
        51% of the total issues and outstanding voting capital stock) as
        may be designated from time to time by its Board of Directors.

        Board of Directors:  the Board of Directors of the Corporation.

        Code:  the Internal Revenue Code of 1986, as amended.

        Committee:  the Compensation Commission of the Board of Directors
        of the Corporation, or such other committee of the Board,
        including the Board, which may succeed to all or substantially all
        of the duties and regulations of the Compensation Committee.

        Compensation:  the Eligible Employee's base salary in effect at
        the Date of Offering.

        Consummation Date:  the Consummation Date under the Plan of
        Reorganization of Cambridge Biotech Corporation under Chapter 11
        of the United States Bankruptcy Code confirmed by the United
        States Bankruptcy Court for the District of Massachusetts
        (Case No. 94-43054-JFQ).

        Date of Offering:  that day which has been specified by the
        Committee for any offering made under the Plan and which occurs
        within the first fifteen (15) days of each January after the
        Consummation Date during the term of the Plan.<PAGE>




        Eligible Employee:  any person (including any director) employed
        by the Corporation on a Date of Offering during the term of the
        Plan except:

                  (a)  any employee who, immediately after the grant of an
        option hereunder, would own (within the meaning of Section 424(d)
        of the Code) Shares (including shares which such employee may
        purchase under outstanding options) possessing 5% or more of the
        total combined voting power or value of all classes of the capital
        stock of the Corporation or a subsidiary of the Corporation;

                  (b)  any employee whose customary employment is 20 hours
        or less per week; or

                  (c)  any employee whose customary employment is for not
        more than five months in any calendar year.

        Fair Market Value.  If the Shares are publicly traded (i) in the
        over-the-counter market and not on the Nasdaq National Market nor
        on any national securities exchange, the closing bid price of the
        Common Stock on the trading day in question, as reported by Nasdaq
        or an equivalent generally accepted reporting service, or (ii) in
        the Nasdaq National Market or on a national securities exchange,
        then the closing sale price of the Common Stock in the National
        Market System or on the principal stock exchange on which it is
        listed on the trading day in question, as the case may be.  For
        purposes of clause (i) above, if trading in the Common Stock is
        not reported by Nasdaq, the bid price referred to in said clause
        shall be the lowest bid price as reported in the "pink sheets"
        published by National Quotation Bureau, Incorporated or the NASD
        Electronic Bulletin Board.  The closing price referred to in
        clause (ii) above shall be the last reported sale price or, in
        case no such reported sale takes place on such day, the average of
        the reported closing bid and asked prices, in either case in the
        Nasdaq National Market or on the national securities exchange on
        which the Common Stock is then listed.  If the Common Stock is not
        publicly traded, the fair value of the Common Stock as determined
        by the Board after taking into consideration all factors which it
        deems appropriate, including, without limitation, recent sale and
        offer prices of the Common Stock in private transactions
        negotiated at arm's length.

        Offering Price:  85% of the Fair Market Value of Shares on a Date
        of Offering.

        Purchase Period:  the period commencing on the Date of Offering
        and ending twelve (12) months after the Date of Offering.

        Shares:  shares of Common Stock, $.01 par value per share, of the
        Corporation.<PAGE>




        III. Scope of Plan

             Options to purchase Shares may be granted by the Corporation
        to Eligible Employees during the ten-year period commencing on the
        Consummation Date, but not more than 200,000 Shares shall be
        purchased pursuant to such options.  All employees granted options
        pursuant to the Plan shall have the same rights and privileges.
        The Shares delivered by the Corporation pursuant to the Plan may
        be treasury shares, newly issued shares, or both.

        IV.  Offerings

             Subject to the terms and conditions of the Plan the Board of
        Directors shall make an offering on a specified date during the
        first 15 days of January of each year after the Consummation Date
        to Eligible Employees to purchase Shares under the Plan; provided,
        however, that the Board of Directors may, in its discretion
        determine to make no offering in any given year.  The terms and
        conditions for each such offering shall specify the Date of
        Offering, the Offering Price, and the number of Shares that may be
        purchased thereunder.  During the Purchase Period, payroll
        deductions shall be made From the Compensation of Eligible
        Employees accepting an option under an offering hereunder.

        V.   Number of Shares Each Eligible Employee May Purchase

             A.   Subject to the provisions of the Plan, and as to any
        offering made hereunder, each Eligible Employee shall be offered
        an option to purchase that number of whole Shares which has on the
        Date of Offering an aggregate purchase price (determined on the
        basis of the Fair Market Value on the Date of Offering) equal to
        any whole percentage of his or her Compensation up to a maximum of
        5%, i.e., 1%, 2%, 3%, 4% or 5%.  However, the number of shares
        covered by the option may not be more than twice the number of
        shares calculated by dividing (i) the amount estimated to be in
        his or her contribution account on the last day of the Payment
        Period (based upon payroll deduction amounts declared on the Date
        of Offering) by (ii) the fair market value of the New Common Stock
        on the Date of Offering.  In the event such an option would
        involve the purchase of a fractional Share, the number of Shares
        which may be purchased shall be increased to the next whole
        number.

             B.   If Eligible Employees elect, in any one offering, to
        accept options to an extent which would result (if options were
        granted on that basis) in the granting of options for that
        offering to purchase more than the aggregate number of Shares
        specified by the Board of Directors for that offering, the
        Committee shall adjust such options on a pro rata basis so that
        the aggregate number of Shares subject to purchase under that
        offering does not exceed such specified number of Shares.

             C.   No Eligible Employee may be granted an option to
        purchase Shares which would permit his total rights to purchase<PAGE>




        Shares of the Corporation's capital stock under all employee stock
        purchase plans of the Corporation and its subsidiaries to accrue
        at a rate which exceeds $25,000 of fair market value of such stock
        (determined as of the date of grant of such option) for each
        calendar year during which any such option granted to such
        individual is outstanding at any time.

        VI.  Method of Participation

             A.   The Committee shall give notice to Eligible Employees of
        each offering of options to purchase Shares pursuant to the Plan
        and the terms and conditions for each offering.  Such notice shall
        specify the number of Shares which may be covered by the option to
        be offered to each Eligible Employee, the Offering Price, and such
        other information as the Committee may determine.

             B.   Each Eligible Employee who desires to accept all or any
        part of the option to Purchase Shares under an offering shall
        signify his election to do so in the form and manner prescribed by
        the Committee.  Each such Eligible Employee shall also authorize
        the Corporation, in the form and manner prescribed by the
        Committee, to make payroll deductions to cover the aggregate
        purchase price of those Shares in respect of which he has elected
        to accept an option. Such election and authorization shall
        continue in effect unless and until such Eligible Employee
        withdraws from the Plan or terminates his employment with the
        Corporation, as hereinafter provided.

             C.   The Corporation shall thereafter provide each Eligible
        Employee accepting an option under each offering a notice
        indicating the number of Shares covered by such option, the
        Offering Price, and any pro rata reduction in accordance with
        Paragraph 5.2.

             D.   Each Eligible Employee who does not wish to accept any
        part of an option to purchase Shares under an offering shall so
        signify in the form and manner prescribed by the Committee.  Such
        election not to accept any part of such option shall be
        irrevocable for such offering.

        VII. Payroll Deductions

             A.   The aggregate purchase price for those Shares as to
        which each Eligible Employee has elected to accept the option
        offered to him shall be deducted from his compensation during the
        Purchase Period specified in the offering through weekly or bi-
        weekly payroll deductions, as applicable, in substantially equal
        installments.  Such payroll deductions shall commence with the
        first applicable payroll period beginning in the month after the
        applicable Date of Offering, and shall continue until the last day
        of the Purchase Period.

             B.   In the event the payroll deductions of an Eligible
        Employee participating in the Plan are temporarily discontinued<PAGE>




        because of leave of absence, lay-off, temporary disability, or
        other similar reason, then the number of Shares subject to
        purchase under his option shall be automatically reduced to that
        number of whole Shares which his aggregate payroll deductions
        actually made within the Purchase Period is sufficient to
        purchase.  The balance of such payroll deductions, if any, shall
        be refunded to the Eligible Employee in cash, without interest.
        Notwithstanding the foregoing, however, such Eligible Employee
        may, prior to the conclusion of the Purchase Period, make a
        payment to the Corporation in one lump sum of an amount equal to
        the amount which was not subject to payroll deductions by reason
        of the temporary discontinuance thereof and in that event, such
        Eligible Employee shall then be entitled to purchase the total
        number of Shares for which he has accepted an option.

        VIII.     Right to Withdraw

             A.   An Eligible Employee who has accepted an option to
        purchase Shares may, at any time prior to his last regular payroll
        deduction thereunder, direct the Corporation to make no further
        deductions from his Compensation with respect to such option, or
        may cancel the entire option.  Upon either of such actions, all
        payroll deductions with respect to such option shall cease.  If
        the employee has directed that payroll deductions be discontinued,
        any sums theretofore deducted in respect of the offering shall be
        retained by the Corporation until the end of the Purchase Period,
        at which time there shall be issued to the employee the number of
        whole Shares which can be purchased with the sum deducted and any
        remaining balance of the sum shall be paid to him in cash, without
        interest.  If the employee has canceled his option, the
        Corporation shall refund in cash, without interest, all amounts
        credited to the account of such employee with respect to the
        applicable offering.

             B.   Notification of an Eligible Employee's election to
        terminate deductions, or to cancel an option, shall be made by the
        filing of an appropriate notice to such effect with the Committee.

        IX.  Termination of Employment

             A.   In the event the employment of an Eligible Employee who
        has accepted an option to purchase Shares is terminated prior to
        his final payroll deduction hereunder because of death, total and
        permanent disability, or retirement at or after age 65 or earlier
        with the consent of the Corporation, he or his legal
        representative, as applicable, may either:

                  (1)  cancel his option, in which event the Corporation
        shall refund in cash, without interest, all amounts credited to
        his account under all offerings in which he is participating under
        the Plan; or

                  (2)  elect to receive at the conclusion of each
        applicable Purchase Price that number of whole Shares which his<PAGE>




        payroll deductions actually made are sufficient to purchase, plus
        the balance of such payroll deductions, if any, in cash, without
        interest.

             B.   The election of an Eligible Employee or his legal
        representative, as applicable, pursuant to Paragraph 9.1 above,
        shall be made within three months after the event causing the
        termination of employment and within 27 months after the Date of
        Offering.  Notification of the election shall be filed with the
        Committee, in the event no notification has been filed within the
        prescribed period, the Corporation shall act in accordance with
        the Paragraph 9.1(a) above.

             C.   In the event the employment of an Eligible Employee who
        has accepted an option to purchase Shares is terminated for any
        reason other than those specified in Paragraph 9.1, the
        Corporation shall refund in cash, without interest, all amounts
        credited to his account under all offerings in which he is
        participating under the Plan.

        X.   Exercise of Option and Purchase of Shares

             A.   As of the last day of the Purchase Period of each
        offering the Committee shall determine the Alternative Offering
        Price.  Unless an Eligible Employee who has accepted an option
        under the offering has subsequently withdrawn from the offering
        pursuant, to Paragraph 8 hereof, his option shall be deemed to
        have been exercised as of the last day of the applicable Purchase
        Period and become on such date an irrevocable obligation to
        purchase Shares in accordance with the provisions of the Plan.
        The number of whole Shares so purchased by each such Eligible
        Employee shall be determined by dividing the amount accumulated in
        his account by payroll deductions during the Purchase Period by
        the lower of either the Offering Price or the Alternative Offering
        Price rounded down to a whole number of Shares.  As soon as
        practicable thereafter, certificates for the number of whole
        Shares, determined as aforesaid, purchased by each Eligible
        Employee shall be issued to him.  Any balance remaining in the
        account of an Eligible Employee shall be refunded to him, without
        interest.

             B.   In the event that, with respect to any offering
        hereunder, the Alternative Offering Price is lower than the
        Offering Price to such an extent that Eligible Employees
        participating in the offering become entitled to purchase more
        Shares than were originally subscribed for by all Eligible
        Employees accepting options under such offering, the Committee
        shall apportion the aggregate Shares available for purchase under
        the offering among Eligible Employees participating in the
        offering on a pro rata basis in accordance with the number of
        Shares actually subscribed for by each such Eligible Employee, and
        any amount remaining in the accounts of Eligible Employees shall
        be refunded in cash, without interest.<PAGE>




        XI.  Rights as a Stockholder

             An Eligible Employee who has accepted an option to purchase
        Shares under the Plan shall not be entitled to any of the rights
        or privileges of a shareholder of the Corporation, including the
        right to receive any dividends which may be declared by the
        Corporation until such time as he has actually paid the purchase
        price for such Shares and certificates have been issued to him in
        accordance with Paragraph 10 hereof.

        XII. Rights Not Transferable

             An Eligible Employee's rights under the Plan are exercisable,
        during his lifetime, only by him and may not be sold, pledged,
        assigned, or transferred in any manner other than by will or the
        laws of descent and distribution.  Any attempt to sell, pledge,
        assign, or transfer such rights shall be void and shall
        automatically cause the option held by the Eligible Employee to be
        terminated.  In such event, the Corporation shall refund in cash,
        without interest, all amounts credited to the account of such
        Eligible Employee in all offerings under the Plan.

        XIII.     Administration of the Plan

             A.   The Plan shall be administered by the Committee, which
        is authorized to make such uniform rules as may be necessary to
        carry out its provisions.  The Committee shall determine any
        questions arising in the administration, interpretation, and
        application of the Plan, which may be made on a uniform or a case
        by case basis, as the Committee determines appropriate and all
        such determinations shall be conclusive and binding on all
        parties.

             B.   If any option granted under the Plan shall lapse or
        terminate, the number of Shares as to which such option shall have
        lapsed or terminated shall become available for sale under the
        Plan.

        XIV. Adjustment Upon Changes in Capitalization

             In the event of any change in the Shares of the Corporation
        by reason of stock dividends, split-ups, corporate separations,
        recapitalizations, mergers, consolidations, combinations,
        exchanges of Shares and the like, the aggregate number and class
        of Shares available under the Plan and the number and class of
        Shares under option but not yet issued under the Plan shall be
        adjusted appropriately, provided, however, that no adjustment
        shall be made which would result in a modification of the options
        granted hereunder and thereby disqualify the Plan as an employee
        stock purchase plan under the provisions of Section 423 of the
        Code.<PAGE>




        XV.  Registration of Certificates

             Stock certificates may be registered in the name of the
        Eligible Employee, or, if he so designates, in his name jointly
        with his spouse, with right of survivorship.

        XVI. Amendment of Plan

             The Board of Directors may at any time amend the Plan in any
        respect except that, without the approval of a majority of the
        Shares of me Corporation's capital stock then issued and
        outstanding and entitled to vote, no amendment shall be made which
        would require the approval of stockholders under the terms of the
        Code in order for the Plan to continue to qualify as an employee
        stock purchase plan under Section 423 thereof, or any successor
        provision.

        XVII.     Termination of the Plan

             A.   The Plan and all rights of Eligible Employees in any
        offering hereunder shall terminate at the earliest of: (i) the
        conclusion of the last Purchase Period authorized herein; or
        (ii) the day that Eligible Employees participating in offerings
        under the Plan become entitled to purchase a number of Shares
        equal to or greater than the number of Shares remaining available
        for purchase; or (iii) such earlier date as it may be terminated
        at the discretion of the Board of Directors.

             B.   Upon termination of the Plan, Shares shall be issued to
        Eligible Employees, and cash, if any, remaining in the accounts of
        the Eligible Employees shall be refunded to them as if the Plan
        were terminated at the end of a Purchase Period.

        XVIII.    Governmental Regulations and List

             All rights granted or to be granted to Eligible Employees
        under the Plan are expressly subject to all applicable laws and
        regulations and to the approval of all governmental authorities
        required in connection with the authorization, issuance, sale, or
        transfer of the Shares reserved for the Plan including, without
        limitation, (i) there being a current registration statement of
        the Corporation covering the offer of Shares purchasable under
        options on the last day of the Purchase Period applicable to such
        options, and if a registration statement shall not than be
        effective the term of such options and the Purchase Price shall be
        extended until the first business day after the effective date of
        such registration statement, or post-effective amendment thereto,
        or (ii) there being an exemption from such registration.

        XIX. Miscellaneous

             A.   The Plan shall not become effective unless and until it
        has been approved in the manner prescribed by law.<PAGE>




             B.   The Plan shall not be deemed to constitute a contract of
        employment between the Corporation and any Eligible Employee, nor
        shall it interfere with the right of the Corporation to terminate
        any Eligible Employee and treat him without regard to the effect
        which such treatment might have upon him under the Plan.

             C.   No option shall be granted hereunder, nor shall the Plan
        be interpreted in such a manner, which could cause the Plan or any
        options issued hereunder to fail to qualify under Section 423 of
        the Code.

             D.   The Plan shall be construed and its provisions enforced
        and administered in accordance with the laws of the State of
        Delaware.

        XX.  Effective Date

             The effective date of the Plan shall be the Consummation
        Date.




        Approved by the Board of Directors:      October 28, 1996    

                        Aquila Biopharmaceuticals, Inc.
                                 Exhibit 11
                Statement of Computation of Earnings Per Share
             For the years ended December 31, 1996, 1995 and 1994


                                        1996           1995          1994
                                        ----           ----          ----
            PRIMARY
            -------
Net income/(loss) for primary        
  earnings per common share          $5,959,530   ($4,941,546)   ($22,276,266)
                                     ==========   ============   =============

Weighted average number of common
  shares outstanding during the
  year                                3,717,441     3,442,305       3,416,100

  Add - common stock equivalents 
    (determined using the 
    "treasury stock" method)  
    representing shares deemed
    outstanding from the assumed
    exercise of stock options
    reduced by the number of 
    shares purchased with the
    proceeds (determined using
    average market price during
    the year)                            85,806             0               0

Weighted average number of shares 
  used in calculation of primary     ----------   ------------   -------------
  earnings per share                  3,803,247     3,442,305       3,416,100 
                                     ==========   ============   =============

Primary earnings per share                $1.57        ($1.44)         ($6.52)
                                     ==========   ============   =============
           
           FULLY DILUTED
           -------------
 
 Net income/(loss) for fully diluted 
  earnings per common share          $5,959,530   ($4,941,546)   ($22,276,266) 
                                     ==========   ============   =============
Weighted average number of shares 
  used in calculating primary
  earnings per common share           3,803,247     3,442,305       3,416,100

  Add (deduct) incremental shares
    representing:
      Shares issuable upon exercise
        of stock options included
        in primary calculation
        above                           (85,806)            0               0

      Shares issuable upon exercise
        of stock options based upon
        using the higher of average
        market price during the 
        year or year end market 
        price                            86,220              0              0

Weighted average number of shares 
  used in calculation of fully       ----------   ------------   -------------
  diluted earnings per share          3,803,661     3,442,305       3,416,100
                                     ==========   ============   =============
                                                                       
  Fully diluted earnings per share        $1.57        ($1.44)         ($6.52)
                                     ==========   ============   =============


<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from Statements
of Operations, Balance Sheets, Statement of Cash Flows and Statement of
Sharholders' Equity, and is qualified in its entirety by reference to such
financial statements.
</LEGEND>
<MULTIPLIER> 1
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                       9,112,091
<SECURITIES>                                 8,562,730
<RECEIVABLES>                                1,724,177
<ALLOWANCES>                                 (178,565)
<INVENTORY>                                    451,074
<CURRENT-ASSETS>                            21,270,741
<PP&E>                                      17,739,664
<DEPRECIATION>                            (13,431,207)
<TOTAL-ASSETS>                              26,312,350
<CURRENT-LIABILITIES>                        5,114,469
<BONDS>                                      4,055,564
                                0
                                          0
<COMMON>                                        50,000
<OTHER-SE>                                  16,867,317
<TOTAL-LIABILITY-AND-EQUITY>                26,312,350
<SALES>                                      1,397,597
<TOTAL-REVENUES>                             6,573,112
<CGS>                                        1,879,206
<TOTAL-COSTS>                                6,718,322
<OTHER-EXPENSES>                             7,136,240
<LOSS-PROVISION>                                    15
<INTEREST-EXPENSE>                             113,771
<INCOME-PRETAX>                            (1,110,146)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                        (1,110,146)
<DISCONTINUED>                               9,109,493
<EXTRAORDINARY>                            (2,039,816)
<CHANGES>                                            0
<NET-INCOME>                                 5,959,531
<EPS-PRIMARY>                                     1.57
<EPS-DILUTED>                                     1.57
        

</TABLE>


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