ZITEL CORP
SC 13G/A, 1997-02-14
PATENT OWNERS & LESSORS
Previous: HOSPITAL STAFFING SERVICES INC, SC 13G/A, 1997-02-14
Next: SPIRE CORP, SC 13G, 1997-02-14




                                                     ---------------------------
                                                            OMB APPROVAL
                                                     ---------------------------
                                                        OMB Number:  3235-0145
                                                      Expires:  October 31, 1997
                                                       Estimated average burden
                                                      hours per response...14.90
                                                     ---------------------------



                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13G


                    Under the Securities Exchange Act of 1934

                               (Amendment No. 2)*


                                Zitel Corporation
                                (Name of Issuer)

                           Common Stock, no par value
                         (Title of Class of Securities)

                                   989913-10-8
                                 (CUSIP Number)


*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).




<PAGE>

CUSIP No. 989913-10-8                 13G                     Page 2 of 19 Pages



- --------------------------------------------------------------------------------
   1   NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       Oxford Venture Fund Limited Partnership
       

- --------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [  ]
                                                             (b)  [  ]

       Not applicable
- --------------------------------------------------------------------------------
   3   SEC USE ONLY




- --------------------------------------------------------------------------------
   4   CITIZENSHIP OR PLACE OF ORGANIZATION


       Connecticut

- --------------------------------------------------------------------------------
   NUMBER OF      5    SOLE VOTING POWER
     SHARES            Less than 5%
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      6    SHARED VOTING POWER
      EACH             Less than 5%
   REPORTING      --------------------------------------------------------------
     PERSON       7    SOLE DISPOSITIVE POWER
      WITH             Less than 5%
                  --------------------------------------------------------------
                  8    SHARED DISPOSITIVE POWER
                       Less than 5%

- --------------------------------------------------------------------------------
   9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       Less than 5%

- --------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

       Not applicable

- --------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

        Less than 5%

- --------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON*


        PN

- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT

<PAGE>

CUSIP No. 989913-10-8                 13G                     Page 3 of 19 Pages



- --------------------------------------------------------------------------------
   1   NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       Oxford Offshore Venture Fund Limited Partnership
       

- --------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [  ]
                                                             (b)  [  ]

       Not applicable
- --------------------------------------------------------------------------------
   3   SEC USE ONLY




- --------------------------------------------------------------------------------
   4   CITIZENSHIP OR PLACE OF ORGANIZATION


       Connecticut

- --------------------------------------------------------------------------------
   NUMBER OF      5    SOLE VOTING POWER
     SHARES            Less than 5%
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      6    SHARED VOTING POWER
      EACH             Less than 5%
   REPORTING      --------------------------------------------------------------
     PERSON       7    SOLE DISPOSITIVE POWER
      WITH             Less than 5%
                  --------------------------------------------------------------
                  8    SHARED DISPOSITIVE POWER
                       Less than 5%

- --------------------------------------------------------------------------------
   9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       Less than 5%

- --------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

       Not applicable

- --------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

        Less than 5%

- --------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON*


        PN

- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT

<PAGE>

CUSIP No. 989913-10-8                 13G                     Page 4 of 19 Pages



- --------------------------------------------------------------------------------
   1   NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       Oxford Venture Fund II Limited Partnership
       

- --------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [  ]
                                                             (b)  [  ]

       Not applicable
- --------------------------------------------------------------------------------
   3   SEC USE ONLY




- --------------------------------------------------------------------------------
   4   CITIZENSHIP OR PLACE OF ORGANIZATION


       Connecticut

- --------------------------------------------------------------------------------
   NUMBER OF      5    SOLE VOTING POWER
     SHARES            Less than 5%
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      6    SHARED VOTING POWER
      EACH             Less than 5%
   REPORTING      --------------------------------------------------------------
     PERSON       7    SOLE DISPOSITIVE POWER
      WITH             Less than 5%
                  --------------------------------------------------------------
                  8    SHARED DISPOSITIVE POWER
                       Less than 5%

- --------------------------------------------------------------------------------
   9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       Less than 5%

- --------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

       Not applicable

- --------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

        Less than 5%

- --------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON*


        PN

- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT

<PAGE>

CUSIP No. 989913-10-8                 13G                     Page 5 of 19 Pages



- --------------------------------------------------------------------------------
   1   NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       Oxford Partners
       

- --------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [  ]
                                                             (b)  [  ]

       Not applicable
- --------------------------------------------------------------------------------
   3   SEC USE ONLY




- --------------------------------------------------------------------------------
   4   CITIZENSHIP OR PLACE OF ORGANIZATION


       Connecticut

- --------------------------------------------------------------------------------
   NUMBER OF      5    SOLE VOTING POWER
     SHARES            Less than 5%
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      6    SHARED VOTING POWER
      EACH             Less than 5%
   REPORTING      --------------------------------------------------------------
     PERSON       7    SOLE DISPOSITIVE POWER
      WITH             Less than 5%
                  --------------------------------------------------------------
                  8    SHARED DISPOSITIVE POWER
                       Less than 5%

- --------------------------------------------------------------------------------
   9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       Less than 5%

- --------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

       Not applicable

- --------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

        Less than 5%

- --------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON*


        PN

- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT

<PAGE>

CUSIP No. 989913-10-8                 13G                     Page 6 of 19 Pages



- --------------------------------------------------------------------------------
   1   NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       Oxford Partners II
       

- --------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [  ]
                                                             (b)  [  ]

       Not applicable
- --------------------------------------------------------------------------------
   3   SEC USE ONLY




- --------------------------------------------------------------------------------
   4   CITIZENSHIP OR PLACE OF ORGANIZATION


       Connecticut

- --------------------------------------------------------------------------------
   NUMBER OF      5    SOLE VOTING POWER
     SHARES            Less than 5%
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      6    SHARED VOTING POWER
      EACH             Less than 5%
   REPORTING      --------------------------------------------------------------
     PERSON       7    SOLE DISPOSITIVE POWER
      WITH             Less than 5%
                  --------------------------------------------------------------
                  8    SHARED DISPOSITIVE POWER
                       Less than 5%

- --------------------------------------------------------------------------------
   9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       Less than 5%

- --------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

       Not applicable

- --------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

        Less than 5%

- --------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON*


        PN

- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT

<PAGE>

CUSIP No. 989913-10-8                 13G                     Page 7 of 19 Pages



- --------------------------------------------------------------------------------
   1   NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       Kenneth W. Rind
       

- --------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [  ]
                                                             (b)  [  ]

       Not applicable
- --------------------------------------------------------------------------------
   3   SEC USE ONLY




- --------------------------------------------------------------------------------
   4   CITIZENSHIP OR PLACE OF ORGANIZATION


       United States

- --------------------------------------------------------------------------------
   NUMBER OF      5    SOLE VOTING POWER
     SHARES            Less than 5%
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      6    SHARED VOTING POWER
      EACH             Less than 5%
   REPORTING      --------------------------------------------------------------
     PERSON       7    SOLE DISPOSITIVE POWER
      WITH             Less than 5%
                  --------------------------------------------------------------
                  8    SHARED DISPOSITIVE POWER
                       Less than 5%

- --------------------------------------------------------------------------------
   9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       Less than 5%

- --------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

       Not applicable

- --------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

        Less than 5%

- --------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON*


        IN

- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT

<PAGE>

CUSIP No. 989913-10-8                 13G                     Page 8 of 19 Pages



- --------------------------------------------------------------------------------
   1   NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       Cornelius T. Ryan
       

- --------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [  ]
                                                             (b)  [  ]

       Not applicable
- --------------------------------------------------------------------------------
   3   SEC USE ONLY




- --------------------------------------------------------------------------------
   4   CITIZENSHIP OR PLACE OF ORGANIZATION


       United States

- --------------------------------------------------------------------------------
   NUMBER OF      5    SOLE VOTING POWER
     SHARES            Less than 5%
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      6    SHARED VOTING POWER
      EACH             Less than 5%
   REPORTING      --------------------------------------------------------------
     PERSON       7    SOLE DISPOSITIVE POWER
      WITH             Less than 5%
                  --------------------------------------------------------------
                  8    SHARED DISPOSITIVE POWER
                       Less than 5%

- --------------------------------------------------------------------------------
   9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       Less than 5%

- --------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

       Not applicable

- --------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

        Less than 5%

- --------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON*


        IN

- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT

<PAGE>


CUSIP No. 989913-10-8                 13G                     Page 9 of 19 Pages



- --------------------------------------------------------------------------------
   1   NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       Stevan A. Birnbaum
       

- --------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [  ]
                                                             (b)  [  ]

       Not applicable
- --------------------------------------------------------------------------------
   3   SEC USE ONLY




- --------------------------------------------------------------------------------
   4   CITIZENSHIP OR PLACE OF ORGANIZATION


       United States

- --------------------------------------------------------------------------------
   NUMBER OF      5    SOLE VOTING POWER
     SHARES            Less than 5%
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      6    SHARED VOTING POWER
      EACH             Less than 5%
   REPORTING      --------------------------------------------------------------
     PERSON       7    SOLE DISPOSITIVE POWER
      WITH             Less than 5%
                  --------------------------------------------------------------
                  8    SHARED DISPOSITIVE POWER
                       Less than 5%

- --------------------------------------------------------------------------------
   9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       Less than 5%

- --------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

       Not applicable

- --------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

        Less than 5%

- --------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON*


        IN

- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT

<PAGE>


                          
Item 1(a).        Name of Issuer:  Zitel Corporation (the "Issuer").

Item 1(b).        Address of Issuer's Principal Executive Offices:
                  47211 Bayside Parkway, Freemont, California  94538-6517.

Item 2(a)         Names of Persons Filing: Oxford Venture Fund Limited
                  Partnership ("Oxford Fund I"); Oxford Offshore Venture Fund
                  Limited Partnership ("Oxford Offshore"); Oxford Venture Fund
                  II Limited Partnership ("Oxford Fund II"); Oxford Partners, a
                  Connecticut general partnership which is the general partner
                  of Oxford Fund I and Oxford Offshore; Oxford Partners II, a
                  Connecticut general partnership which is the general partner
                  of Oxford Fund II; and Kenneth W. Rind, Cornelius T. Ryan; and
                  Stevan A. Birnbaum, who are each partners in Oxford Partners
                  and Oxford Partners II. Each of the foregoing persons or
                  entities is referred to herein individually as a "Reporting
                  Person" or collectively as the "Reporting Persons."

Item 2(b).        Address of Principal Business Office or, if None, Residence:
                  The address of the principal business office of Oxford Fund I,
                  Oxford Offshore, Oxford Fund II, Oxford Partners, Oxford
                  Partners II and Messrs. Rind and Ryan is 315 Post Road West,
                  Westport, CT 06880. The address of the principal business
                  office of Mr. Birnbaum is 17308 Avenida De La Herradura,
                  Pacific Palisades, CA 90272-4224.

Item 2(c).        Citizenship: Oxford Fund I, Oxford Offshore, Oxford Fund II,
                  Oxford Partners, and Oxford Partners II are limited
                  partnerships organized under the laws of the State of
                  Connecticut. Each of Messrs. Rind, Ryan and Birnbaum is a
                  United States citizen.

Item 2(d).        Title of Class of Securities: Common Stock, no par value
                  ("Common Stock").

Item 2(e).        CUSIP Number:  989913-10-8.

Item 3.           If this statement is filed pursuant to Rules 13d-1(b), or
                  13d-2(b), check whether the person filing is a:

                  (a)  [  ] Broker or Dealer  registered  under  Section 15 of
                            the Securities Exchange Act of 1934 (the "Act").

                  (b)  [  ] Bank as defined in Section 3(a)(6) of the Act.

                  (c)  [  ] Insurance Company as defined in Section 3(a)(19) of
                            the Act.

                  (d)  [  ] Investment Company registered under Section 8 of the
                            Investment Company Act of 1940.

                              Page 10 of 19 Pages


<PAGE>

                  (e)  [  ] Investment Adviser registered under Section 203 of
                            the Investment Advisers Act of 1940.

                  (f)  [  ] Employee Benefit Plan, Pension Fund which is subject
                            to the provisions of the Employee Retirement Income
                            Security Act of 1974 or Endowment Fund; see Rule
                            13d-1(b)(1)(ii)(F) of the Act.

                  (g)  [  ] Parent Holding Company, in accordance with Rule
                            13d-1(b)(ii)(G) of the Act.

                  (h)  [  ] Group, in accordance with Rule 13d-1(b)(1)(ii)(H) of
                            the Act.

                              Not applicable.

Item 4.   Ownership.

          (a)  Amount Beneficially Owned: Less than 5%. By virtue of their
               relationship as affiliated limited partnerships whose sole
               general partners share individual general partners, Oxford Fund I
               and Oxford Offshore may be deemed to share voting power and the
               power to direct the disposition of the shares of Common Stock
               that each of them owns of record. As sole general partner of
               Oxford Fund I and Oxford Offshore, Oxford Partners I may be
               deemed to own beneficially all of the shares of Common Stock
               owned beneficially by both Oxford Fund I and Oxford Offshore. As
               sole general partner of Oxford Fund II , Oxford Partners II may
               be deemed to own beneficially all of the shares of Common Stock
               owned beneficially by Oxford Fund II. As individual general
               partners of both Oxford Fund I and Oxford Fund II, each of
               Messrs. Rind, Ryan and Birnbaum may be deemed to own beneficially
               the shares owned beneficially by both Oxford Fund I and Oxford
               Fund II.

          (b)  Percent of Class: Less than 5%. The foregoing percentage is
               calculated based on the 14,906,678 shares of Common Stock
               reported to be outstanding in the Annual Report on Form 10-K of
               Zitel Corporation for the year ended September 30, 1996.

          (c)  Number of shares as to which such person has:

               (i)   sole power to vote or to direct the vote: Less than 5%.

               (ii)  shared power to vote or to direct the vote: Less than 5%.

               (iii) sole power to dispose or to direct the disposition of: Less
                     than 5%.

               (iv)  shared power to dispose or to direct the disposition of:
                     Less than 5%.

                              Page 11 of 19 Pages

<PAGE>


Item 5.     Ownership of Five Percent or Less of a Class.

            Not applicable.

Item 6.     Ownership of More than Five Percent on Behalf of Another Person.

            Not applicable.

Item 7.     Identification and Classification of the Subsidiary Which Acquired 
            the Security Being Reportedon by the Parent Holding Company.

            Not applicable.

Item 8.     Identification and Classification of Members of the Group.

            Not applicable. Oxford Fund I, Oxford Offshore, Oxford Partners I,
            Oxford Fund II, Oxford Partners II and Messrs. Rind, Ryan and
            Birnbaum expressly disclaim membership in a "group" as defined in
            Rule 13d-1(b)(ii)(H).

Item 9.     Notice of Dissolution of Group.

            Not applicable.

Item 10.    Certification.

            Not applicable.


                              Page 12 of 19 Pages

<PAGE>


                                    SIGNATURE

     After reasonable inquiry and to the best of our knowledge and belief, we
certify that the information set forth in this statement is true, complete and
correct. We also hereby agree to file this statement jointly pursuant to the
agreement set forth as Exhibit 1 hereto.

Dated:  February 12, 1997


OXFORD VENTURE FUND LIMITED PARTNERSHIP

By:      Oxford Partners, its general partner


         By:      /s/  Cornelius T. Ryan
                  ---------------------------
                  Cornelius T. Ryan
                  General Partner


OXFORD OFFSHORE VENTURE FUND LIMITED PARTNERSHIP

By:      Oxford Partners, its general partner


         By:      /s/  Cornelius T. Ryan
                  ---------------------------
                  Cornelius T. Ryan
                  General Partner


OXFORD VENTURE FUND II LIMITED PARTNERSHIP

By:      Oxford Partners II, its general partner


         By:      /s/  Cornelius T. Ryan
                  ---------------------------
                  Cornelius T. Ryan
                  General Partner

                              Page 13 of 19 Pages


<PAGE>



OXFORD PARTNERS


By:      /s/  Cornelius T. Ryan
         --------------------------
         Cornelius T. Ryan
         General Partner


OXFORD PARTNERS II


By:      /s/  Cornelius T. Ryan
         --------------------------
         Cornelius T. Ryan
         General Partner


 /s/  Cornelius T. Ryan
- ------------------------------------
Cornelius T. Ryan


                *
- ------------------------------------
Kenneth W. Rind


                *
- ------------------------------------
Stevan A. Birnbaum


                                               *By:  /s/  Cornelius T. Ryan
                                                     ---------------------------
                                                     Cornelius T. Ryan
                                                     Attorney-in-Fact


     *This Schedule 13G was executed by Cornelius T. Ryan pursuant to a Power of
Attorney which was previously filed with the Securities and Exchange Commission
as Exhibit 2 to a Schedule 13G for Genetic Therapy, Inc. on February 11, 1992, a
copy of which is attached hereto as Exhibit 2.

                              Page 14 of 19 Pages

<PAGE>


                                                                       Exhibit 1

                                    AGREEMENT


     Pursuant to Rule 13d-1(f)(1) under the Securities Exchange Act of 1934, the
undersigned hereby agree that only one statement containing the information
required by Schedule 13G need be filed with respect to the ownership by each of
the undersigned of shares of Common Stock of Zitel Corporation.

     This Agreement may be executed in any number of counterparts, each of which
shall be deemed an original.

     EXECUTED this 12th day of February, 1997.


OXFORD VENTURE FUND LIMITED PARTNERSHIP

By:      Oxford Partners, its general partner


         By:      /s/  Cornelius T. Ryan
                  -------------------------------
                  Cornelius T. Ryan
                  General Partner


OXFORD OFFSHORE VENTURE FUND LIMITED PARTNERSHIP

By:      Oxford Partners, its general partner


         By:      /s/  Cornelius T. Ryan
                  -------------------------------
                  Cornelius T. Ryan
                  General Partner


OXFORD VENTURE FUND II LIMITED PARTNERSHIP

By:      Oxford Partners II, its general partner


         By:      /s/  Cornelius T. Ryan
                  -------------------------------
                  Cornelius T. Ryan
                  General Partner

                              Page 15 of 19 Pages

<PAGE>



OXFORD PARTNERS


By:      /s/  Cornelius T. Ryan
         -----------------------------
         Cornelius T. Ryan
         General Partner


OXFORD PARTNERS II


By:      /s/  Cornelius T. Ryan
         -----------------------------
         Cornelius T. Ryan
         General Partner


 /s/  Cornelius T. Ryan
- --------------------------------------
Cornelius T. Ryan


                  *
- --------------------------------------
Kenneth W. Rind


                  *
- --------------------------------------
Stevan A. Birnbaum


                                               *By:     /s/  Cornelius T. Ryan
                                                        ------------------------
                                                        Cornelius T. Ryan
                                                        Attorney-in-Fact


     *This Schedule 13G was executed by Cornelius T. Ryan pursuant to a Power of
Attorney which was previously filed with the Securities and Exchange Commission
as Exhibit 2 to a Schedule 13G for Genetic Therapy, Inc. on February 11, 1992, a
copy of which is attached hereto as Exhibit 2.


                              Page 16 of 19 Pages

<PAGE>


                                                                       Exhibit 2

                                POWER OF ATTORNEY


         KNOW  ALL MEN BY THESE  PRESENTS,  that  each  person  whose  signature
appears  below hereby  constitutes  and appoints  Cornelius T. Ryan his true and
lawful   attorney-in-fact  and  agent,  with  full  power  of  substitution  and
resubstitution,  for  him  and in his  name,  place  and  stead,  in any and all
capacities  (until  revoked  in  writing)  to  sign  any  and  all  instruments,
certificates  and  documents  required to be executed on behalf of himself as an
individual or, in his capacity as a general partner, on behalf of each or any of
Oxford Partners,  Oxford Partners II, Oxford Partners III,  Limited  Partnership
and Oxford Partners  III-A,  Limited  Partnership  pursuant to Section 13(d) and
Section 13(g) of the Securities  Exchange Act of 1934, as amended (the "Exchange
Act"), and any and all regulations promulgated thereunder, and to file the same,
with all exhibits thereto, and any other documents in connection therewith, with
the  Securities and Exchange  Commission,  and with any other entity when and if
such is mandated by the Exchange Act,  granting unto said  attorney-in-fact  and
agent full power and  authority  to do and perform  each and every act and thing
requisite and  necessary  fully to all intents and purposes as he might or could
do in person thereby ratifying and confirming all that said attorney-in-fact and
agent, or his substitute or substitutes,  may lawfully do or cause to be done by
virtue hereof.

     IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 7th
day of February, 1992.

                                           /s/  Kenneth W. Rind
                                           ---------------------------------
                                           Kenneth W. Rind


State of CT                )
                           ) ss:
County of Fairfield        )


     On this 7th day of February, 1992, before me personally came Kenneth W.
Rind, known to me to be the person described and who executed the foregoing
instrument that he acknowledged that he executed the same.


[NOTARY SEAL]                             /s/  Fredericke Balel
                                           ---------------------------------
                                          Notary Public


                                          My commission expires:  March 31, 1995



                              Page 17 of 19 Pages

<PAGE>


                                          /s/  Stevan A. Birnbaum
                                           ---------------------------------
                                          Stevan A. Birnbaum


State of CT                )
                           ) ss:
County of Fairfield        )


     On this 5th day of February, 1992, before me personally came Stevan A.
Birnbaum, known to me to be the person described and who executed the foregoing
instrument that he acknowledged that he executed the same.


[NOTARY SEAL]                        /s/  Fredericke Balel
                                     -----------------------------------
                                     Notary Public


                                     My commission expires:  March 31, 1995



                                     /s/  William R. Lonergan
                                     -----------------------------------
                                     William R. Lonergan


State of CT                )
                           ) ss:
County of Fairfield        )


     On this 7th day of February, 1992, before me personally came William R.
Lonergan, known to me to be the person described and who executed the foregoing
instrument that he acknowledged that he executed the same.



[NOTARY SEAL]                        /s/  Fredericke Balel
                                     -----------------------------------
                                     Notary Public


                                     My commission expires:  March 31, 1995

                              Page 18 of 19 Pages


<PAGE>



                                     /s/  Alan G. Walton
                                     -----------------------------------
                                     Alan G. Walton


State of CT                )
                           ) ss:
County of Fairfield        )


         On this 7th day of February,  1992,  before me personally  came Alan G.
Walton,  known to me to be the person  described  and who executed the foregoing
instrument that he acknowledged that he executed the same.


[NOTARY SEAL]                        /s/  Fredericke Balel
                                     -----------------------------------
                                     Notary Public


                                     My commission expires:  March 31, 1995


                              Page 19 of 19 Pages



© 2022 IncJournal is not affiliated with or endorsed by the U.S. Securities and Exchange Commission