LEGG MASON INCOME TRUST INC
497, 1995-05-09
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                                     Prospectus 
                                     May 1, 1995



                                      Navigator
                                   U.S. Government
                                  Intermediate-Term
                                      Portfolio



                              Putting Your Future First
<PAGE>






     Table of Contents


     Fund Expenses                                                       2
     Financial Highlights                                                4
     Performance Information                                             6
     The Fund's Investment Objective and Policies                        7
     How to Purchase and Redeem Shares                                   14
     How Shareholder Accounts are Maintained                             16
     How Net Asset Value Is Determined                                   16
     Dividends and Other Distributions                                   16
     Tax Treatment of Dividends and Other Distributions                  17
     Shareholder Services                                                18
     The Fund's Board of Directors, Manager and Investment Adviser       19
     The Fund's Distributor                                              21
     Description of the Corporation and its Shares                       21


     Addresses

     Distributor:
              Legg Mason Wood Walker, Inc.
              111 South Calvert Street
              P.O. Box 1476, Baltimore, MD 21203-1476
              410-539-0000  800-822-5544

     Transfer and Shareholder Servicing Agent:
              Boston Financial Data Services
              P.O. Box 8000, Boston, MA 02266-8000

     Counsel:
              Kirkpatrick & Lockhart
              1800 M Street, N.W., Washington, DC 20036

     Independent Accountants:
              Coopers & Lybrand L.L.P.
              217 East Redwood Street, Baltimore, Maryland 21202

              No person has been authorized to give any information or to make
              any representations not contained in this Prospectus or the
              Statement of Additional Information in connection with the
              offering made by the Prospectus and, if given or made, such
              information or representations must not be relied upon as having
              been authorized by the Fund or its distributor. The Prospectus
              does not constitute an offering by the Fund or by the principal
              underwriter in any jurisdiction in which such offering may not
              lawfully be made.



     LMF - 065A
<PAGE>






     Navigator U.S. Government Intermediate-Term Portfolio
     Prospectus

              Shares  of Navigator  U.S. Government  Intermediate-Term Portfolio
     ("Navigator  Shares") represent  a separate  class  ("Navigator Class")  of
     interests in  the Legg  Mason U.S.  Government Intermediate-Term  Portfolio
     ("Fund"), a professionally  managed portfolio seeking to  provide investors
     with  high  current income  consistent  with  prudent investment  risk  and
     liquidity needs.  The Fund  is a  separate portfolio of  Legg Mason  Income
     Trust, Inc.  ("Corporation"), a diversified open-end  management investment
     company which  currently has  four portfolios.  In seeking  to achieve  the
     Fund's objective, the  Fund's investment adviser, Western  Asset Management
     Company  ("Adviser"), under  normal circumstances, invests  at least 75% of
     the Fund's total  assets in obligations  issued or guaranteed  by the  U.S.
     Government, its  agencies or instrumentalities,  or instruments secured  by
     such securities. The  Fund expects to maintain  an average  dollar-weighted
     maturity of between three and ten years.

              The Navigator  Class of Shares, described  in this Prospectus,  is
     currently offered for sale only  to institutional clients of  the Fairfield
     Group, Inc. ("Fairfield") for investment  of their own funds and funds  for
     which  they act in  a fiduciary  capacity, to  clients of Legg  Mason Trust
     Company  ("Trust   Company")  for   which  the   Trust  Company   exercises
     discretionary  investment  management  responsibility  (such  institutional
     investors  are referred  to  collectively  as "Institutional  Clients"  and
     accounts  of  such  Clients  are  referred  to  collectively  as  "Customer
     Accounts"), to qualified retirement plans managed on a  discretionary basis
     and having  net assets  of at  least $200  million, and  to The Legg  Mason
     Profit Sharing Plan  and Trust.  Navigator  Shares may not be  purchased by
     individuals directly,  but Institutional  Clients may  purchase shares  for
     Customer Accounts maintained for individuals.

              Navigator Shares  are sold  and redeemed without  any purchase  or
     redemption  charge imposed by the Fund,  although Institutional Clients may
     charge their  Customer Accounts  for services  provided in connection  with
     the purchase or  redemption of  shares.  See  "How to  Purchase and  Redeem
     Shares."  The Fund  will pay  management fees to  Legg Mason Fund  Adviser,
     Inc., but Navigator Class pays no distribution fees.

              MUTUAL  FUND  SHARES  ARE  NOT  DEPOSITS  OR  OBLIGATIONS  OF,  OR
     GUARANTEED OR  ENDORSED  BY,  ANY  BANK OR  OTHER  DEPOSITORY  INSTITUTION.
     SHARES ARE  NOT INSURED  BY THE  FDIC, THE  FEDERAL RESERVE  BOARD, OR  ANY
     OTHER AGENCY,  AND ARE SUBJECT  TO INVESTMENT RISK,  INCLUDING THE POSSIBLE
     LOSS OF THE PRINCIPAL AMOUNT INVESTED.

              This  Prospectus sets  forth concisely  the information  about the
     Fund that a prospective investor  ought to know before investing. It should
     be retained  for future  reference. A  Statement of Additional  Information
     about the  Fund dated May  1, 1995 has been  filed with the  Securities and
     Exchange Commission  ("SEC") and, as  amended or supplemented  from time to
     time,  is incorporated  herein by  reference.  The Statement  of Additional
     Information is  available  without  charge upon  request  from  Legg  Mason
     (address and telephone numbers listed below).
<PAGE>






     THESE SECURITIES  HAVE NOT BEEN  APPROVED OR DISAPPROVED  BY THE SECURITIES
     AND EXCHANGE  COMMISSION OR  ANY STATE  SECURITIES COMMISSION  NOR HAS  THE
     SECURITIES  AND EXCHANGE  COMMISSION  OR  ANY STATE  SECURITIES  COMMISSION
     PASSED   UPON   THE  ACCURACY   OR   ADEQUACY  OF   THIS   PROSPECTUS.  ANY
     REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

     Dated: May 1, 1995

     Legg Mason Wood Walker, Inc.
     111 South Calvert Street
     P.O. Box 1476
     Baltimore, MD 21203-1476
     410-539-0000
     800-822-5544







































                                          2
<PAGE>






     Fund Expenses

              The purpose  of the following  table is  to assist an investor  in
     understanding the various  costs and expenses that an investor in Navigator
     Shares  will bear directly  or indirectly. The expenses  and fees set forth
     in  the table  are  based  on estimated  expenses  for  the first  year  of
     operation of the Navigator Class.

     Shareholder Transaction Expenses
     Maximum sales charge on purchases or
         reinvested dividends                                    None
     Redemption and exchange fees                                None

     Annual Fund Operating Expenses -- Navigator Shares
     (as a percentage of average net assets)
     Management fees(1)                                          0.33%
     12b-1 fees                                                  None
     Other expenses (estimated)                                  0.12%
                                                                 ----

     Total operating expenses                                    0.45%
                                                                 ====
     ________________

     (1) The expense ratio  for Navigator Class  would have been  0.67% had  the
     Fund's Manager not agreed to  reimburse management fees and  other expenses
     pursuant  to a voluntary expense  limitation.  The reimbursement agreement,
     wherein the Manager  has agreed to  continue to  reimburse management  fees
     and/or assume other expenses to  the extent the Navigator  Class's expenses
     (exclusive  of  taxes,  interest,  brokerage  and  extraordinary  expenses)
     exceed during  any month  an annual  rate of  0.45% of  the Fund's  average
     daily net assets  for such month, will  remain in effect until  October 31,
     1995, or  until the Fund's net assets  reach $400 million, whichever occurs
     first, and unless extended will terminate on that date.

         For  further information  concerning  Fund expenses,  see  "The  Fund's
     Board of Directors,  Manager and Investment Adviser," page 19.


     Example of Effect of Fund Expenses

         The following example illustrates the expenses that you would pay  on a
     $1,000 investment over various time  periods assuming (1) a 5% annual  rate
     of return and (2) full  redemption at the end of each time period. As noted
     in the table above, the Fund charges no redemption fees of any kind.

         1 Year       3 Years          5 Years          10 Years

           $5           $14              $25              $57

              This example  assumes that  all dividends and  other distributions
     are reinvested and  that the percentage  amounts listed  under Annual  Fund

                                          3
<PAGE>






     Operating Expenses remain the  same over the time periods  shown. The above
     tables  and the  assumption  in  the example  of  a  5% annual  return  are
     required by  regulations of  the SEC applicable  to all  mutual funds.  THE
     ASSUMED 5% ANNUAL RETURN IS NOT A PREDICTION OF  AND DOES NOT REPRESENT THE
     PROJECTED  OR ACTUAL  PERFORMANCE  OF NAVIGATOR  SHARES.  THE ABOVE  TABLES
     SHOULD  NOT BE  CONSIDERED  A REPRESENTATION  OF  PAST OR  FUTURE EXPENSES.
     ACTUAL EXPENSES  MAY  BE GREATER  OR  LESS  THAN THOSE  SHOWN.  The  actual
     expenses  attributed to  Navigator  Shares will  depend  upon, among  other
     things,  the  level  of  average  net  assets,  the  levels  of  sales  and
     redemptions  of shares,  and  the extent  to  which Navigator  Shares incur
     variable expenses, such as transfer agency costs.










































                                          4
<PAGE>






     Financial Highlights

              Effective  December  1,  1994,  the  Fund  commenced the  sale  of
     Navigator Shares.   The information  shown below for  prior periods is  for
     Primary  Shares and  reflects 12b-1  fees paid  by  that class  and not  by
     Navigator Shares.

              The   financial  highlights   for  the   period  August   7,  1987
     (commencement of operations) to  December 31, 1987 and for the  years ended
     December 31, 1988  through 1994 have been derived from financial statements
     which  have  been  audited  by   Coopers  &  Lybrand  L.L.P.,   independent
     accountants. The  Fund's financial statements  for the year ended  December
     31, 1994 and  the report of Coopers  & Lybrand L.L.P. thereon  are included
     in  the Fund's  annual  report and  are  incorporated by  reference  in the
     Statement  of Additional  Information. The  annual  report is  available to
     shareholders  without  charge   by  calling  an  investment   executive  at
     Fairfield  or Legg  Mason  or Legg  Mason's  Funds Marketing  Department at
     800-822-5544.
     <TABLE>
     <CAPTION>

                                                NAVIGATOR                         PRIMARY CLASS
                                                 CLASS
                                                                          For the Years Ended December 31,     


                                             1994 (1)         1994         1993        1992         1991        1990

       <S>                            <C>         <C>         <C>          <C>          <C>         <C>    
       Per Share Operating Performance:
        Net asset value, beginning of   
        period                             $9.72      $10.43      $10.70       $10.77       $10.29      $10.20
        Net investment income               0.05(3)     0.51(4)     0.53(4)      0.60(4)      0.72(4)     0.78(4)

        Net realized and unrealized gain
         (loss) on investments             --          (0.71)       0.17         0.05         0.70        0.09

        Total from investment operations    0.05       (0.20)       0.70         0.65         1.42        0.87
        Distributions to shareholders:

         Net investment income             (0.05)      (0.51)      (0.53)       (0.60)       (0.72)      (0.78)
         Net realized gain on investments  --          --          (0.39)       (0.12)       (0.22)      --

         In excess of net realized gain
           on investments                  --          --          (0.05)       --           --          --

        Net asset value, end of period     $9.72       $9.72      $10.43       $10.70       $10.77      $10.29
        Total return
                                            0.50%(5)   -1.93%       6.6%         6.3%        14.4%        9.1%




                                                                      5
<PAGE>






       Ratios/Supplemental Data:
        Ratios to average net assets:
         Expenses                            .4%(3)      .9%(4)(6)    .9%(4)(6)   .9%(4)(6)    .8%(4)(6)   .6%(4)(6)
         Net investment income              6.4%(3)     5.1%(4)     4.8%(4)      5.5%(4)      6.7%(4)     7.7%(4)

        Portfolio turnover rate           315.7%      315.7%      490.2%       512.6%       642.8%       67.0%
        Net assets, end of period (in       $4,024      $231,255     $299,529    $307,320     $211,627     $74,423
         thousands)
     </TABLE>












































                                                                      6
<PAGE>






     <TABLE>
     <CAPTION>
                                                   PRIMARY CLASS
                                                                                         August 7,
                                                For the Years Ended December 31,        1987(2) to 
                                                                                        December 31,
                                                                                            1987
                                                            1989                1988

       <S>                                               <C>                 <C>              <C>    
       Per Share Operating Performance:
        Net asset value, beginning of
        period                                             $9.79               $9.92           $10.00
        Net investment income                            0.80(4)             0.74(4)          0.30(4)

        Net realized and unrealized gain
         (loss) on investments                              0.41              (0.12)           (0.08)
        Total from investment operations
                                                            1.21                0.62             0.22
        Distributions to shareholders:

         Net investment income                            (0.80)              (0.74)           (0.30)
         Net realized gain on investments                     --              (0.01)               --

         In excess of net realized gain 
           on investments                                     --                  --               --

        Net asset value, end of period                    $10.20               $9.79            $9.92
        Total return
                                                           12.8%                6.4%          2.2%(5)
       Ratios/Supplemental Data:
        Ratios to average net assets:
         Expenses                                      .8%(4)(6)          1.0%(4)(6)    1.0%(4)(6)(7)
         Net investment income                           7.9%(4)             7.4%(4)       7.4%(4)(7)

        Portfolio turnover rate                            57.3%              132.5%         66.3%(7)
        Net assets, end of period (in                    $43,051             $27,087          $16,617
         thousands)
     </TABLE>














                                          7
<PAGE>






     _________________________

     (1) For  the  period  December 1,  1994  (commencement  of  operations)  to
         December 31, 1994.
     (2) Commencement of operations.
     (3) Net of fees  waived and reimbursements made by the manager for expenses
         in excess of voluntary limitation  as follows:  0.45% until October 31,
         1995.
     (4) Net of fees waived  and reimbursements made by the manger for  expenses
         in  excess of  voluntary  expense  limitations as  follows: 1.0%  until
         September 10,  1989; 0.5% until March 31, 1990; 0.6% until December 31,
         1990; 0.75% until April 30,  1991; 0.8% until December  31, 1991; 0.85%
         until August 31, 1992; and 0.95% until October 31, 1995.
     (5) Not annualized.
     (6) Includes distribution fee of 0.5%.
     (7) Annualized.





































                                          8
<PAGE>






     Performance Information

              From time  to time  the Fund may  quote the total  return of  each
     class of shares in advertisements or in  reports or other communications to
     shareholders. A mutual fund's TOTAL RETURN is a measurement  of the overall
     change  in   value,  including  changes   in  share   price  and   assuming
     reinvestment  of dividends and capital gain  distributions of an investment
     in the fund.  CUMULATIVE TOTAL RETURN shows  the fund's performance  over a
     specific period of time. AVERAGE ANNUAL TOTAL  RETURN is the average annual
     compounded  return that  would  have  produced  the same  cumulative  total
     return if the fund's performance had been constant over the  entire period.
     Performance  figures  reflect past  performance  and  are not  intended  to
     indicate future performance.   Average annual  returns tend  to smooth  out
     variations in  the fund's return,  so they differ  from actual year-by-year
     results.

              Total returns  of Primary Shares as  of December 31,  1994 were as
     follows:

                                        Cumulative             Average Annual
                                       Total Return             Total Return 
     One Year                           -1.93%                   -1.93%
     Five Years                        +38.59%                   +6.75%
     Life of Fund*                     +70.08%                   +7.43%

     *  Fund's inception - August 7, 1987.

              No  adjustment has  been  made  for any  income taxes  payable  by
     shareholders. The  investment return and principal  value of  an investment
     in the  Fund will fluctuate  so that an  investor's shares,  when redeemed,
     may  be worth more  or less  than their  original cost. Returns  would have
     been lower  if  the Manager  had  not  waived/reimbursed certain  fees  and
     expenses during the fiscal years 1987 through 1994. As of  the date of this
     prospectus,  Navigator  Shares  have   no  material  performance   history.
     Because Navigator  Shares have  lower total  expenses, they will  generally
     have a higher return than Primary Shares.

              The  Fund also may  advertise its yield or  effective yield. Yield
     reflects net  investment income  per share  (as defined  by applicable  SEC
     regulations)  over  a  30-day  (or  one-month)  period,   expressed  as  an
     annualized percentage  of net  asset value at  the end  of the period.  The
     effective yield,  although calculated  similarly, will  be slightly  higher
     than the yield  because it assumes that  income earned from the  investment
     is  reinvested  (i.e.,  the  compounding  effect  of  reinvestment).  Yield
     computations differ from other accounting methods and therefore  may differ
     from dividends actually paid or reported net income.

              Further information  about the Fund's performance  is contained in
     the annual report to shareholders, which may be obtained  without charge by
     calling an investment executive at Fairfield or Legg Mason or Legg  Mason's
     Funds Marketing Department at 800-822-5544.


                                          9
<PAGE>






     The Fund's Investment Objective and Policies

              The investment objective of the Fund is to provide investors  with
     high current income consistent  with prudent investment risk and  liquidity
     needs. The investment  objective of the Fund  may not be changed  without a
     vote  of  Fund  shareholders;  however,  except  as  otherwise  noted,  the
     investment policies  of the  Fund described  below  may be  changed by  the
     Corporation's Board of Directors without  a shareholder vote. There  can be
     no assurance that the Fund's investment objective will be achieved.

              At  least  75%  of the  Fund's  total  assets  are,  under  normal
     circumstances,  invested  in  U.S.  government  securities  or  instruments
     secured  by such  securities,  including  repurchase agreements.  The  Fund
     expects to maintain  an average  dollar-weighted maturity of  between three
     and  ten  years.  U.S.  government  securities  include:  1)  U.S. Treasury
     obligations,  which differ  only in  their interest  rates,  maturities and
     times of  issuance: U.S.  Treasury bills  (maturity of  one year  or less),
     U.S. Treasury notes (maturity  of one to ten years) and U.S. Treasury bonds
     (generally  maturities of  greater  than  ten  years); and  2)  obligations
     issued  or guaranteed  by U.S.  government  agencies and  instrumentalities
     which are supported by  any of the following: a) the  full faith and credit
     of the U.S.  Government (such as  certificates of  the Government  National
     Mortgage Association ("GNMA"),  b) the  right of  the issuer  to borrow  an
     amount limited to a  specific line of credit from the U.S. Government (such
     as obligations of  the Federal Home Loan Banks), c) discretionary authority
     of the  U.S. Treasury to lend  to the government agency  or instrumentality
     (such as the Federal National Mortgage Association), or d)  only the credit
     of the instrumentality (such  as the  Student Loan Marketing  Association).
     In the case of  obligations not backed by the full  faith and credit of the
     United  States,   the  Fund  must   look  principally  to   the  agency  or
     instrumentality  issuing  or  guaranteeing  the   obligation  for  ultimate
     repayment and may not be able to  assert a claim against the United  States
     itself in  the  event  the agency  or  instrumentality  does not  meet  its
     commitments. The U.S.  Government does not  guarantee the  market value  of
     the Fund's investments or  the market value or yield of the  Fund's shares,
     which  will   fluctuate  with   market  interest   rates.  Investments   in
     mortgage-related securities  issued by  governmental or  government-related
     entities,  as described  on the  next page,  will  be included  in the  75%
     limitation.

              The balance of  the Fund, up to 25%  of its total assets, normally
     is invested in  cash, commercial paper and investment grade debt securities
     rated within one  of the four highest grades  assigned by Standard & Poor's
     Ratings Group ("S&P") (AAA, AA, A or BBB), Moody's Investors  Service, Inc.
     ("Moody's") (Aaa, Aa,  A or Baa),  securities comparably  rated by  another
     nationally   recognized   statistical  rating   organization,   or  unrated
     securities judged  by  the  Adviser  to  be  of  comparable  quality.  Debt
     securities  rated   Baa  are   deemed  by   Moody's  to  have   speculative
     characteristics; changes in economic conditions or  other circumstances are
     more  likely to  lead  to  a weakened  capacity  for  the issuers  of  such
     securities to make  principal and interest  payments than  is the case  for
     high-grade  debt securities.  A further  description of  Moody's  and S&P's

                                          10
<PAGE>






     ratings is  included  in  the  Appendix  to  the  Statement  of  Additional
     Information.

              The market value  of the interest-bearing debt  securities held by
     the Fund, and therefore the net asset value of Fund shares, is affected  by
     changes  in   market  interest  rates.   There  is   normally  an   inverse
     relationship  between   the  market  value   of  securities  sensitive   to
     prevailing interest rates  and actual changes  in interest  rates; i.e.,  a
     decline in  interest rates produces an  increase in market value,  while an
     increase in  rates  produces a  decrease  in  market value.  Moreover,  the
     longer the remaining maturity  of a security, the greater is the  effect of
     interest rate changes on  the market value of such a security. In addition,
     changes in  the ability  of  an issuer  to make  payments of  interest  and
     principal and in  the market's  perception of an  issuer's creditworthiness
     also affect the market value of the debt securities of that issuer.

              Certain of  the mortgage-backed and other  securities in which the
     Fund can invest pay  interest at variable or floating rates.  Variable rate
     instruments reset at  specified intervals, while floating  rate instruments
     reset  whenever there  is a  change in  a specified  index rate.   The more
     closely these changes  reflect current market  rates, the  more likely  the
     instrument will trade at a price close  to its par value.  Some instruments
     do not  directly track the  underlying index,  but reset based  on formulas
     that can  produce an effect  similar to  leverage; others  may provide  for
     interest payments that vary  inversely with market rates; these instruments
     are regarded as "derivatives," and  may vary significantly in  market price
     when interest rates change.

              The Fund  has adopted  certain fundamental  investment limitations
     that,  like  its investment  objective,  may  not  be  changed without  the
     approval  of  the  Fund's   shareholders.  A  full  description  of   these
     investment  limitations  is   included  in  the  Statement   of  Additional
     Information.

     Corporate Debt Securities

              Among the debt  securities in which the Fund  may invest are those
     issued by  corporations. In  selecting corporate  debt  securities for  the
     Fund, the Adviser  reviews and monitors the creditworthiness of each issuer
     and  issue.  Interest  rate  trends and  specific  developments  which  the
     Adviser believes may affect individual issuers are also analyzed.

     Mortgage-Related Securities

              The Fund  normally may  invest up to  50% of its  total assets  in
     mortgage-related securities, including those issued by  the governmental or
     government-related entities referred to  above. Mortgage-related securities
     represent interests  in  pools of  mortgages  created  by lenders  such  as
     commercial  banks, savings  and  loan  institutions, mortgage  bankers  and
     others.  Mortgage-related  securities  may be  issued  by  governmental  or
     government-related entities or by non-governmental entities  such as banks,
     savings  and  loan  institutions,  private  mortgage  insurance  companies,

                                          11
<PAGE>






     mortgage bankers and other  secondary market issuers.  No more than 25%  of
     the  Fund's  total   assets  normally  are  invested   in  mortgage-related
     securities issued by non-governmental entities.

              Interests in  pools  of mortgage-related  securities  differ  from
     other forms of  debt securities which normally provide for periodic payment
     of  interest  in fixed  amounts  with  principal  payments  at maturity  or
     specified  call dates.  In  contrast, mortgage-related  securities  provide
     monthly payments which consist of  interest and, in most  cases, principal.
     In effect,  these payments  are a  "pass-through" of  the monthly  payments
     made by the individual borrowers  on their residential mortgage  loans, net
     of any fees paid  to the issuer or guarantor of such securities. Additional
     payments  to   holders  of  mortgage-related   securities  are  caused   by
     repayments resulting from the sale of the underlying residential  property,
     refinancing or  foreclosure, net of  fees or costs  which may be  incurred.
     Some  mortgage-related securities are described as "modified pass-through."
     These securities entitle  the holders to receive all interest and principal
     payments  owed  on  the  mortgages  in  the  pool,  net  of  certain  fees,
     regardless of whether or not the mortgagors actually make the payments.

              The  Adviser expects  that  governmental or  private  entities may
     create new types of mortgage-related  securities in response to  changes in
     the market or changes  in government regulation of such  securities. As new
     types  of  mortgage-related   securities  are  developed  and   offered  to
     investors,  the Adviser will, consistent with  the investment objective and
     policies of  the Fund,  consider making  investments in such  new types  of
     securities.

              As  prepayment rates  of individual  pools of mortgage  loans vary
     widely, it is  not possible  to predict accurately  the average  life of  a
     particular  mortgage-related   security.  Although   both  government   and
     privately-issued  mortgage-related   securities  are  issued  with   stated
     maturities  of  up  to  forty  years,  unscheduled  or  early  payments  of
     principal   and  interest   on  the   underlying   mortgages  may   shorten
     considerably the  securities' effective  maturities. On  the other hand,  a
     decrease in the rate of  prepayments may extend the effective maturities of
     mortgage-related  securities, increasing  their  sensitivity to  changes in
     market  interest rates. Such  a decrease in prepayments  may result from an
     increase in  market interest  rates,  among other  causes.   The volume  of
     prepayments of principal  on a pool  of mortgages  underlying a  particular
     mortgage-related security will  influence the  yield of that  security, and
     the principal returned to  the Fund may be reinvested in  instruments whose
     yield may be higher  or lower than that which might have  been obtained had
     such  prepayments not  occurred. When  interest rates  are declining,  such
     prepayments usually  increase, with  the result  that reinvestment  of such
     principal prepayments will be  at a  lower rate than  that on the  original
     mortgage-related security. Increased prepayment of principal  may limit the
     Fund's ability to realize the appreciation in  the value of such securities
     that  would otherwise  accompany declining  interest rates.  An increase in
     mortgage  prepayments  could   cause  the  Fund  to  incur   a  loss  on  a
     mortgage-related security that  was purchased at a premium.  In determining
     the Fund's  average maturity,  the Adviser must  apply certain  assumptions

                                          12
<PAGE>






     and  projections about  the  maturity  and prepayment  of  mortgage-related
     securities; actual prepayment rates may differ.


     Government Mortgage-Related Securities

              GNMA  is   the   principal   federal   government   guarantor   of
     mortgage-related  securities.  GNMA  is  a  wholly  owned  U.S.  government
     corporation within  the Department  of Housing and  Urban Development. GNMA
     pass-through securities are considered to  have a very low risk of  default
     in that  (i) the underlying  mortgage loan portfolio  is comprised entirely
     of government-backed  loans and (ii)  the timely payment  of both principal
     and interest on  the securities is guaranteed by  the full faith and credit
     of the U.S.  Government--regardless of  whether they  have been  collected.
     GNMA pass-through securities  are, however, subject to the same market risk
     as  comparable  debt  securities. Therefore,  the  effective  maturity  and
     market value of the Fund's GNMA securities can  be expected to fluctuate in
     response to changes in interest rate levels.

              Residential  mortgage loans  are also  pooled by the  Federal Home
     Loan Mortgage Corporation  ("FHLMC"). FHLMC is a  corporate instrumentality
     of  the  U.S. Government  that  was created  by  Congress in  1970  for the
     purpose of  increasing the availability of  mortgage credit for residential
     housing.  FHLMC issues  mortgage participation  certificates ("PCs")  which
     represent  interests in  mortgages  from  FHLMC's national  portfolio.  The
     mortgage loans in  FHLMC's portfolio are not government backed; rather, the
     loans are  either uninsured  with loan-to-value ratios  of 80% or  less, or
     privately insured  if the loan-to-value  ratio exceeds 80%.  FHLMC, not the
     U.S.  Government, guarantees  the timely payment  of interest  and ultimate
     collection of principal on FHLMC PCs.

              The  Federal   National   Mortgage  Association   ("FNMA")  is   a
     government-sponsored corporation  owned entirely  by private  stockholders.
     It is subject  to general regulation by the  Secretary of Housing and Urban
     Development. FNMA purchases  residential mortgages from a list  of approved
     seller/servicers,  which include  savings  and loan  associations,  savings
     banks, commercial banks,  credit unions and mortgage  bankers. Pass-through
     certificates ("FNMA  certificates") issued  by FNMA  are  guaranteed as  to
     timely payment of principal and interest by FNMA, not the U.S. Government.


     Privately Issued Mortgage-Related Securities

              Mortgage-related  securities offered  by  private  issuers include
     pass-through  securities comprised  of  pools of  conventional  residential
     mortgage  loans;   mortgage-backed  bonds  which   are  considered  to   be
     obligations of the  institution issuing the bonds and are collateralized by
     mortgage loans; and bonds and collateralized  mortgage obligations ("CMOs")
     which are  collateralized by mortgage-related  securities issued by  FHLMC,
     FNMA, or GNMA or by pools of conventional mortgages.



                                          13
<PAGE>






              CMOs are typically  structured with two or more classes  or series
     which have  different maturities  and are  generally  retired in  sequence.
     Each  class  of  obligations is  scheduled  to  receive  periodic  interest
     payments according  to the  coupon rate  on the  obligations. However,  all
     monthly principal payments  and any  prepayments from  the collateral  pool
     are  paid first to  the "Class  1" bondholders. The  principal payments are
     such that the Class 1 obligations are scheduled to be completely repaid  no
     later than,  for example, five  years after the  offering date. Thereafter,
     all payments of  principal are allocated to  the next most senior  class of
     bonds  until  that class  of bonds  has  been fully  repaid.  Although full
     payoff of each class of bonds is contractually  required by a certain date,
     any or all  classes of  obligations may be  paid off  sooner than  expected
     because of an increase in the payoff speed of the pool.

              Mortgage-related securities  created by  non-governmental  issuers
     generally   offer  a   higher  rate   of  interest   than   government  and
     government-related  securities because  there  are  no direct  or  indirect
     government guarantees  of payments  in the former  securities, resulting in
     higher  risks.  However,  many issuers  or  servicers  of  mortgage-related
     securities  guarantee timely  payment  of interest  and  principal on  such
     securities. Timely  payment of principal  may also be  supported by various
     forms  of  insurance, including  individual  loan, title,  pool  and hazard
     policies. There can be  no assurance that  the private issuers or  insurers
     will be  able to meet their  obligations under the  relevant guarantees and
     insurance policies, and  such guarantees and  policies often  do not  cover
     the full  amount  of  the  pool.  Where  privately  issued  securities  are
     collateralized by  securities issued  by FHLMC,  FNMA or  GNMA, the  timely
     payment of interest and  principal is  supported by the  government-related
     securities collateralizing such obligations.

              Since the inception  of the mortgage-related pass-through security
     in 1970, the  market for these  securities has  expanded considerably.  The
     size  of  the primary  issuance  market  and  active  participation in  the
     secondary market by  securities dealers and  many types  of investors  make
     government  and   government-related  pass-through  pools  highly   liquid.
     Private  conventional  pools  of mortgages  (pooled  by  commercial  banks,
     savings  and  loan   institutions  and  others  with   no  relationship  to
     government  and  government-related  entities)  have  also  achieved  broad
     market  acceptance,  and  consequently  an  active   secondary  market  has
     emerged. However, the  market for conventional  pools is  smaller and  less
     liquid than  the market for the  government and government-related mortgage
     pools.

              The  Fund  may purchase  some mortgage-related  securities through
     private  placements.  In  such  cases,  the securities  may  be  considered
     illiquid and,  if so, will be  subject to the  Fund's investment limitation
     that no  more than  10% of  its  net assets  will be  invested in  illiquid
     securities.





                                          14
<PAGE>






     Asset-Backed Securities

              Asset-backed securities  are securities  that represent  direct or
     indirect participations  in, or  are secured  by and  payable from,  assets
     such  as  motor  vehicle  installment  sales  contracts,  installment  loan
     contracts, leases  of  various types  of  real  and personal  property  and
     receivables from  revolving credit  (credit card)  agreements. Such  assets
     are   securitized  through   the  use   of  trusts   and  special   purpose
     corporations.  The  value  of  such  securities  partly  depends   on  loan
     repayments by individuals,  which may be adversely  affected during general
     downturns  in the  economy.   Payments  or  distributions of  principal and
     interest   on  asset-backed   securities  may   be   supported  by   credit
     enhancements, such as  various forms of cash collateral accounts or letters
     of credit.  Like mortgage-related  securities, asset-backed  securities are
     subject to  the risk of prepayment.  The risk that recovery  on repossessed
     collateral might  be  unavailable  or inadequate  to  support  payments  on
     asset-backed  securities,  however,  is  greater  than   is  the  case  for
     mortgage-backed securities.

     Zero Coupon Bonds

              Zero  coupon  bonds  are  debt  obligations  which  make no  fixed
     interest payments but  instead are issued  at a  significant discount  from
     face  value.  Like other  debt  securities, the  price  can also  reflect a
     premium or discount  to the original issue discount reflecting the market's
     judgment as  to the issuer's  creditworthiness, the interest  rate or other
     similar factors.  The discount  approximates the  total amount  of interest
     the bonds will  accrue and compound over  the period until maturity  or the
     first interest payment  date at a  rate of  interest reflecting the  market
     rate of the security at the time of issuance.  Because zero coupon bonds do
     not require  the periodic  payment of  interest, their prices  can be  very
     volatile when market interest rates change.

              The original issue discount on zero coupon bonds must be  included
     in  the Fund's income  ratably as it  accrues. Accordingly,  to continue to
     qualify for tax treatment  as a regulated investment company and to avoid a
     certain excise tax,  the Fund may be  required to distribute as  a dividend
     an  amount that  is  greater than  the  total amount  of  cash it  actually
     receives. See "Additional  Tax Information" in the Statement  of Additional
     Information. These distributions must be  made from the Fund's  cash assets
     or, if necessary, from  the proceeds of sales of portfolio securities. Such
     sales could occur  at a time which would be disadvantageous to the Fund and
     when the Fund would not otherwise choose to dispose of the assets.

     Convertible Securities

              A  convertible  security is  a  bond,  debenture,  note, preferred
     stock or  other security  that may  be converted  into or  exchanged for  a
     prescribed amount of common stock of the same or a different issuer  within
     a particular period of time at a specified  price or formula. A convertible
     security  entitles the holder to  receive interest paid  or accrued on debt
     or the  dividend paid  on preferred  stock until  the convertible  security

                                          15
<PAGE>






     matures  or  is  redeemed,  converted  or   exchanged.  Before  conversion,
     convertible  securities  have characteristics  similar  to  non-convertible
     debt securities  in that they ordinarily provide a  stable stream of income
     with generally higher yields  than those  of common stocks  of the same  or
     similar  issuers,  but  lower  than  the  yield  on  non-convertible  debt.
     Convertible  securities   are  usually   subordinated  to   comparable-tier
     non-convertible  securities  but   rank  senior  to  common   stock  in   a
     corporation's capital structure.

              The value  of a  convertible security  is a  function  of (1)  its
     yield  in comparison  with  the yields  of  other securities  of comparable
     maturity and quality  that do not have  a conversion privilege and  (2) its
     worth, at  market value,  if converted  into the  underlying common  stock.
     Convertible   securities  are  typically   issued  by  smaller  capitalized
     companies, whose stock prices  may be volatile. The price of  a convertible
     security often  reflects such  variations in  the price  of the  underlying
     common  stock in a  way that  non-convertible debt does  not. A convertible
     security  may be subject  to redemption  at the option  of the  issuer at a
     price  established  in  the convertible  security's  governing  instrument,
     which could  have an adverse  effect on the  Fund's ability to achieve  its
     investment  objective. The  Fund  does not  intend  to exercise  conversion
     rights for any convertible  security it  owns and does  not intend to  hold
     any security which has been subject to conversion.

     Foreign Securities

              The  Fund may  invest in  U.S. dollar-denominated  debt securities
     issued  by  foreign  companies  and  governments.  The  foreign  government
     securities  in which  the  Fund invests  generally  consist of  obligations
     supported  by  national,   state  or  provincial  governments   or  similar
     political subdivisions.  The Fund  also may  invest in  debt securities  of
     foreign "quasi-governmental agencies,"  which are issued by  entities owned
     by  a national,  state  or equivalent  government or  are obligations  of a
     political unit that is  not backed by the national  government's full faith
     and credit and general taxing powers.

              Investment   in   foreign   securities  presents   certain  risks,
     including   those   resulting   from   adverse   political   and   economic
     developments,  reduced   availability  of   public  information  concerning
     issuers  and the fact  that foreign  issuers generally  are not  subject to
     uniform accounting, auditing and financial reporting standards or to  other
     regulatory practices  and requirements  comparable to  those applicable  to
     domestic issuers. Moreover,  securities of many foreign issuers may be less
     liquid and their  prices more volatile  than those  of comparable  domestic
     issuers.  Some  foreign  securities  are  subject  to  foreign   taxes  and
     withholding. Because the foreign securities  in which the Fund  invests are
     U.S. dollar-denominated, there is no risk of currency fluctuation.

     Repurchase Agreements

              A  repurchase  agreement  is an  agreement  under  which the  Fund
     acquires either U.S.  government obligations or other  high-quality, liquid

                                          16
<PAGE>






     debt securities from  a securities dealer or  bank subject to resale  at an
     agreed-upon price and date.  The securities are held for the Fund  by State
     Street Bank  and Trust Company  ("State Street"), the  Fund's custodian, as
     collateral until resold and  will be supplemented by additional  collateral
     if necessary to maintain a total  value equal to or in excess  of the value
     of the  repurchase agreement. The  Fund bears a  risk of loss  in the event
     that the  other party to a repurchase agreement defaults on its obligations
     and the Fund is  delayed or prevented from exercising its right  to dispose
     of the  collateral securities, which may  decline in value in  the interim.
     The  Fund  will  enter  into  repurchase  agreements  only  with  financial
     institutions  which the  Adviser believes present  minimal risk  of default
     during the  term of the  agreement based  on guidelines established  by the
     Corporation's Board of Directors. The  Fund will not enter  into repurchase
     agreements of more than seven days'  duration if more than 10% of its total
     assets  would   be  invested  in   such  agreements   and  other   illiquid
     investments.

     When-Issued Securities

              The Fund  may enter  into commitments to purchase  U.S. government
     securities  or  other securities  on  a  when-issued  basis.  The Fund  may
     purchase when-issued securities because such securities are  often the most
     efficiently priced and have the best liquidity in  the bond market. As with
     the  purchase of all  securities, when the  Fund purchases  securities on a
     when-issued basis,  it assumes the  risks of ownership,  including the risk
     of  price fluctuation, at the time of purchase, not at the time of receipt.
     However,  the Fund does not have to pay  for the obligations until they are
     delivered to the Fund, which is  normally 7 to 15 days later, but could  be
     considerably longer  in the  case of  some  mortgage-backed securities.  To
     meet that  payment obligation,  the Fund  will set  aside  cash or  liquid,
     high-quality  debt  securities equal  to  the  payment  that  will be  due.
     Depending  on market  conditions, the  Fund's  when-issued purchases  could
     cause its net asset value to be  more volatile, because they will  increase
     the amount by which  the Fund's  total assets, including  the value of  the
     when-issued securities  held by the Fund,  exceed its net  assets. The Fund
     does not  expect  that its  commitment to  purchase when-issued  securities
     will at any time exceed, in the aggregate, 20% of its total assets.

     Futures and Options Transactions

              In an effort to protect  against the effect of adverse changes  in
     interest rates,  the  Fund may  purchase  and  sell interest  rate  futures
     contracts and may purchase put  options on interest rate  futures contracts
     and debt securities (practices known  as "hedging"). A futures  contract is
     an agreement by the Fund to buy or sell  securities at a specified date and
     price. The purchase of a put option on a futures  contract allows the Fund,
     at its  option,  to  enter  into a  particular  futures  contract  to  sell
     securities at any time up to the option's expiration date.

              The Fund  may  purchase  put  options  on  interest  rate  futures
     contracts  or sell interest rate  futures contracts (that  is, enter into a
     futures contract to sell  the underlying security) to attempt to reduce the

                                          17
<PAGE>






     risk of fluctuations in its share value. The Fund may purchase an  interest
     rate futures contract (that is, enter  into a futures contract to  purchase
     the  underlying  security) to  attempt  to  establish more  definitely  the
     return on securities the  Fund intends  to purchase. The  Fund may not  use
     these instruments for speculation or leverage.

              The Fund may seek to enhance its income or  hedge the portfolio by
     writing  (selling)  covered call  options  (i.e.,  the  Fund  will own  the
     underlying  instrument  while  the  call is  outstanding)  and  covered put
     options  (i.e., the  Fund  will have  cash,  U.S. government  securities or
     other high-grade, liquid  debt instruments in  a segregated  account in  an
     amount not less than the exercise price while the put is outstanding).

              The Fund may  write call options on securities in its portfolio in
     an attempt  to realize, through  the premium the  Fund receives, a  greater
     current return  than would  be realized on  the securities alone.  The Fund
     may write put options  in an attempt to realize enhanced income  when it is
     willing to  purchase the  underlying instrument  for its  portfolio at  the
     exercise price. The Fund may also purchase call options for the purpose  of
     acquiring the underlying instruments for  its portfolio. At times,  the net
     cost  of acquiring  instruments in this  manner (the exercise  price of the
     call option  plus the premium paid) may be less  than the cost of acquiring
     the instruments directly.

              The success  of the  Fund's hedging  activities in reducing  risks
     depends on  many factors, the  most significant of  which is the  Adviser's
     ability  to  predict  market interest  rate  changes  correctly.  Generally
     speaking, selling  futures contracts,  purchasing put  options and  writing
     call options  are strategies designed to  protect against  falling security
     prices, and  can limit potential  gains if prices  rise. Purchasing futures
     contracts, purchasing call options  and writing put options are  strategies
     whose returns tend to rise and fall together  with security prices, and can
     cause  losses if  prices  fall. If  security  prices remain  unchanged over
     time, option writing  strategies tend to be profitable, while option buying
     strategies tend  to decline in  value. However,  there may  not be  perfect
     correlation between  movements  in  the  price  of  an  option  or  futures
     contract and movements in the price of the underlying security.

              The Fund could also be exposed to risks if it could  not close out
     its futures or options positions  because of an illiquid  secondary market.
     The Adviser attempts  to minimize the  possible negative  effects of  these
     factors through careful  selection and monitoring of the Fund's futures and
     options  positions.  The   Adviser  is  of  the  opinion  that  the  Fund's
     investments  in  futures transactions  will  not  have a  material  adverse
     effect on the Fund's liquidity or ability to honor redemptions.

              The  purchase and  sale of  options and futures  contracts involve
     risks different from those involved with  direct investments in securities,
     and also  require different  skills by the  Adviser in managing  the Fund's
     portfolio.  While utilization  of options,  futures  contracts and  similar
     instruments  may  be advantageous  to  the  Fund,  if  the Adviser  is  not
     successful  in   employing  such   instruments  in   managing  the   Fund's

                                          18
<PAGE>






     investments  or in predicting interest rate changes, the Fund's performance
     will be worse than if the Fund had not made such  investments. In addition,
     the  Fund will  pay commissions  and other  costs in  connection  with such
     investments, which may increase the  Fund's expenses and reduce  its yield.
     A more complete discussion of  the possible risks involved  in transactions
     in  options  and  futures  contracts  is  contained  in  the  Statement  of
     Additional Information. The Fund's current  policy is to limit  options and
     futures transactions to those described above.

              The  Fund will  not enter  into any  futures contracts  or related
     options if the sum of the initial margin  deposits on futures contracts and
     related options  and  premiums  paid  for  related  options  the  Fund  has
     purchased would exceed 5%  of the  Fund's total assets.  The Fund will  not
     purchase futures contracts or  related options if, as  a result, more  than
     33-1/3% of the Fund's total assets would be so invested.

     Portfolio Turnover

              For  the year  ended  December  31,  1994,  the  Fund's  portfolio
     turnover rate was  315.7% and the Fund  anticipates that in the  future its
     portfolio turnover rate  may exceed 300%.  The portfolio  turnover rate  is
     computed by dividing  the lesser  of purchases or  sales of securities  for
     the period by the  average value of  portfolio securities for that  period.
     Short-term  securities  are  excluded from  the  calculation.  A  portfolio
     turnover rate  in  excess  of 100%  will  involve  correspondingly  greater
     transaction costs  which will be  borne directly by  the Fund. It may  also
     increase  the amount of  short-term capital gains, if  any, realized by the
     Fund  and  will  affect  the   tax  treatment  of  distributions   paid  to
     shareholders  because distributions  of net  short-term  capital gains  are
     taxable as ordinary income.

     How to Purchase and Redeem Shares

              Institutional  Clients  of  Fairfield  Group,  Inc.  may  purchase
     Navigator  Shares  from  Fairfield, the  principal  offices  of  which  are
     located  at  200  Gibraltar  Road,  Horsham,  Pennsylvania  19044.    Other
     investors eligible to  purchase Navigator Shares may  purchase them through
     a  brokerage account  with  Legg Mason  Wood  Walker, Inc.  ("Legg Mason").
     (Legg Mason  and Fairfield  are wholly  owned subsidiaries  of Legg  Mason,
     Inc., a financial services holding company.)

     Purchase of Shares

              The  minimum investment  is $50,000  for  the initial  purchase of
     Navigator  Shares  and $100  for  each  subsequent  investment.   The  Fund
     reserves  the right  to  change these  minimum  amounts at  its discretion.
     Institutional  Clients may  set  different  minimums for  their  Customers'
     investments in Accounts invested in Navigator Shares.

              Share  purchases will  be processed  at the  net asset  value next
     determined after Legg Mason or  Fairfield has received your  order; payment
     must  be  made within  five  business  days  to  the selling  organization.

                                          19
<PAGE>






     Beginning in June, 1995,  payment must be  made within three business  days
     to the  selling organization.  Orders  received by Legg  Mason or Fairfield
     before the close  of regular trading on  the New York Stock  Exchange, Inc.
     ("Exchange")  (normally 4:00  p.m. Eastern time)  ("close of the Exchange")
     on any day the  Exchange is open  will be executed  at the net asset  value
     determined as of  the close of the Exchange  on that day.   Orders received
     by Legg Mason or Fairfield after  the close of the Exchange or on days  the
     Exchange is closed  will be executed at  the net asset value  determined as
     of the  close of the Exchange  on the next day  the Exchange is  open.  See
     "How Net Asset  Value is  Determined" on page  16.   The Fund reserves  the
     right to reject any order for  shares of the Fund, to suspend  the offering
     of  shares for  a  period  of time,  or  to  waive any  minimum  investment
     requirements.

              In addition  to Institutional  Clients purchasing  shares directly
     from  Fairfield,  Navigator  Shares may  be  purchased  through  procedures
     established  by  Fairfield  in connection  with  requirements  of  Customer
     Accounts of various Institutional Clients.

              No sales  charge is  imposed by  the Fund  in connection  with the
     purchase  of Navigator  Shares.  Depending  upon the terms  of a particular
     Customer  Account,   however,  Institutional   Clients  may  charge   their
     Customers fees for automatic investment and other cash management  services
     provided  in   connection  with  investments  in  the  Fund.    Information
     concerning these  services and any  applicable charges will  be provided by
     the Institutional Clients.  This Prospectus should  be read by Customers in
     connection  with  any  such information  received  from  the  Institutional
     Clients.    Any such  fees,  charges or  other requirements  imposed  by an
     Institutional Client upon  its Customers will  be in  addition to the  fees
     and requirements described in this Prospectus.

     Redemption of Shares

              Shares may  ordinarily be redeemed by a shareholder via telephone,
     in accordance with the procedures  described below.  However,  Customers of
     Institutional Clients  wishing to  redeem shares held  in Customer Accounts
     at the  Institution may  redeem only  in accordance  with instructions  and
     limitations pertaining to their Account at the Institution.

              Fairfield  clients  can  make  telephone  redemption  requests  by
     calling Fairfield at  1-800-441-3885.  Legg Mason clients should call their
     investment executives  or Legg  Mason Funds  Processing at  1-800-822-5544.
     Callers should have  available the number of  shares (or dollar amount)  to
     be redeemed and their account number.

              Orders  for redemption received by Legg  Mason or Fairfield before
     the close of the  Exchange on any  day when the  Exchange is open, will  be
     transmitted to Boston Financial Data Services  ("BFDS"), transfer agent for
     the Fund, for redemption at the net asset value per share determined  as of
     the close of the Exchange on that day.  Requests for redemption received by
     Legg Mason or  Fairfield after the close  of the Exchange will  be executed
     at the net  asset value determined as of  the close of the Exchange  on its

                                          20
<PAGE>






     next  trading day. A redemption request received by Legg Mason or Fairfield
     may be treated as a request for repurchase  and, if it is accepted by  Legg
     Mason, your  shares will  be purchased  at the  net asset  value per  share
     determined as of the next close of the Exchange.

              Shareholders may have their  telephone redemption requests paid by
     a direct wire to a  domestic commercial bank account  previously designated
     by  the shareholder,  or  mailed  to the  name  and  address in  which  the
     shareholder's account  is registered  with the  Fund.   Such payments  will
     normally  be transmitted  on the next  business day following  receipt of a
     valid  request for  redemption.   However, the  Fund reserves  the right to
     take up to seven  days to make payment upon redemption if,  in the judgment
     of the Adviser,  the Fund could be adversely affected by immediate payment.
     (The  Statement   of   Additional  Information   describes  several   other
     circumstances in which  the date of payment  may be postponed or  the right
     of redemption  suspended.) The  proceeds of your  redemption or  repurchase
     may be more or  less than your original cost. If the shares  to be redeemed
     or repurchased were  paid for by  check (including  certified or  cashier's
     checks) within  15 business days  of the redemption  or repurchase request,
     the  proceeds may  not  be  disbursed unless  the  Fund can  be  reasonably
     assured that the check has been collected.

              The  Fund  will  not  be  responsible  for   the  authenticity  of
     redemption  instructions   received  by  telephone,  provided   it  follows
     reasonable  procedures  to  identify  the  caller.  The  Fund  may  request
     identifying information from callers or employ  identification numbers. The
     Fund  may  be  liable  for   losses  due  to  unauthorized   or  fraudulent
     instructions  if  it  does  not  follow  reasonable  procedures.  Telephone
     redemption  privileges  are available  automatically  to  all  shareholders
     unless certificates have been  issued. Shareholders who do not wish to have
     telephone redemption privileges should call their  investment executive for
     further instructions.

              Because  of   the  relatively  high  cost   of  maintaining  small
     accounts, the  Fund may elect to close any account  with a current value of
     less than  $500 by redeeming all  of the shares in  the account and mailing
     the proceeds  to the investor. However,  the Fund will not  redeem accounts
     that fall below $500  solely as a result of a reduction in  net asset value
     per share. If  the Fund  elects to  redeem the  shares in  an account,  the
     shareholder will be notified  that the  account is below  $500 and will  be
     allowed 60  days in  which to  make an  additional investment  in order  to
     avoid having the account closed.

     How Shareholder Accounts are Maintained

              A  shareholder  account  is  established  automatically  for  each
     investor.  Any shares  the investor purchases or receives as a  dividend or
     other distribution will be  credited directly to the account at the time of
     purchase or receipt.   No certificates  are issued  unless the  shareholder
     specifically requests them in writing.   Shareholders who elect  to receive
     certificates  can redeem their shares  only by mail.   Certificates will be
     issued  in full shares  only.   No certificates  will be issued  for shares

                                          21
<PAGE>






     prior to 15 business  days after  purchase of such  shares by check  unless
     the Fund can be reasonably assured during that  period that payment for the
     purchase  of such shares has been  collected.  Fund shares  may not be held
     in,  or transferred  to, an  account  with any  brokerage  firm other  than
     Fairfield, Legg Mason or their affiliates.

              Every shareholder of  record will  receive a confirmation of  each
     new share transaction with the Fund, which will  also show the total number
     of shares being  held in safekeeping by  the Fund's Transfer Agent  for the
     account of the shareholder.

              Navigator  Shares  sold  to  Institutional  Clients  acting  in  a
     fiduciary,  advisory,  custodial, or  other similar  capacity on  behalf of
     persons  maintaining  Customer  Accounts  at  Institutional  Clients   will
     normally be  held of record  by the Institutional  Clients.  Therefore,  in
     the  context of  Institutional Clients,  references in  this  Prospectus to
     shareholders mean  the Institutional Clients  rather than their  Customers.
     Institutional  Clients purchasing or holding  Navigator Shares on behalf of
     their  customers are  responsible  for  the  transmission of  purchase  and
     redemption orders  (and the  delivery of  funds) to  the Fund  on a  timely
     basis.

     How Net Asset Value Is Determined

              Net asset value per share is determined  daily as of the close  of
     the Exchange, on  every day that the  Exchange is open, by  subtracting the
     liabilities  attributable  to  Navigator  Shares  from   the  total  assets
     attributable  to  such shares  and  dividing the  result by  the  number of
     Navigator  Shares  outstanding.  Securities owned  by  the  Fund  for which
     market  quotations  are readily  available  are  valued at  current  market
     value.  In the  absence of readily  available market quotations, securities
     are  valued  at fair  value as  determined  by the  Corporation's  Board of
     Directors.

     Dividends and Other Distributions

              The Fund declares dividends to holders of Navigator Shares out  of
     its investment company taxable income  attributable to those shares,  which
     consists  of  net  investment  income  and  net  short-term  capital  gain.
     Dividends from net investment income  are declared daily and  paid monthly.
     Shareholders begin to earn  dividends on their Fund shares as of settlement
     date,  which is  normally the  fifth business  day after  their orders  are
     placed  with   their  investment  executive.   Beginning  in  June,   1995,
     settlement date  will normally be  the third business day  after orders are
     placed with  their  investment executive.   Dividends  from net  short-term
     capital gain and distributions of  substantially all net capital  gain (the
     excess of  net long-term  capital gain  over net  short-term capital  loss)
     generally are declared and paid after the  end of the taxable year in which
     the  gain is realized.  A second  distribution of  net capital gain  may be
     necessary  in some years  to avoid  imposition of the  excise tax described
     under  the  heading  "Additional  Tax  Information"  in  the  Statement  of
     Additional Information.  Shareholders may elect to:

                                          22
<PAGE>






              1.  Receive  both  dividends  and capital  gain  distributions  in
                  Navigator Shares of the Fund;
              2.  Receive dividends  in cash  and capital gain  distributions in
                  Navigator Shares of the Fund;
              3.  Receive dividends in Navigator Shares of the Fund  and capital
                  gain distributions in cash; or
              4.  Receive  both  dividends  and  capital  gain distributions  in
                  cash.

              In certain cases, shareholders  may reinvest dividends and capital
     gain distributions  in shares  of another  Navigator  fund. Please  contact
     your  investment  executive  for additional  information  on  this  option.
     Qualified retirement plans that obtained Navigator  Shares through exchange
     generally receive dividends and other distributions in additional shares.

              If no  election is  made, both  dividends and other  distributions
     will be credited  to the Institutional Client's account in Navigator Shares
     at  the net asset  value of  the shares determined  as of the  close of the
     Exchange on the reinvestment date.  Shares received pursuant to any of  the
     first three (reinvestment)  elections above also  will be  credited to  the
     account  at that  net  asset  value.   If  an  investor elects  to  receive
     dividends or other distributions in cash, a check will be sent.   Investors
     purchasing  through  Fairfield   may  elect  at  any  time  to  change  the
     distribution option by  notifying the Fund  in writing  at: Navigator  U.S.
     Government  Intermediate-Term Portfolio,  c/o  Fairfield  Group, Inc.,  200
     Gibraltar  Road, Horsham,  Pennsylvania 19044.    Those purchasing  through
     Legg  Mason should  write to  Navigator  U.S. Government  Intermediate-Term
     Portfolio,  c/o  Legg Mason  Funds  Processing, P.O.  Box  1476, Baltimore,
     Maryland,  21203-1476.   An  election must  be  received at  least 10  days
     before the record date in order to  be effective for dividends and  capital
     gain distributions paid to shareholders as of that date.

     Tax Treatment of Dividends and Other Distributions

              The  Fund  intends  to  continue to  qualify  for  treatment as  a
     regulated investment company under  the Code so that it will be relieved of
     federal income  tax on that part  of its investment company  taxable income
     and net capital gain that is distributed to its shareholders.

              Dividends  from  the  Fund's  investment  company  taxable  income
     (whether paid  in cash or  reinvested in Navigator  Shares) are  taxable to
     its  shareholders  (other  than qualified  retirement  plans)  as  ordinary
     income to the extent of  the Fund's earnings and profits. Distributions  of
     the  Fund's  net  capital  gain  (whether paid  in  cash  or  reinvested in
     Navigator   Shares),  when  designated  as   such,  are  taxable  to  those
     shareholders as  long-term capital gain,  regardless of how  long they have
     held their Fund shares.

              The  Fund sends  each shareholder  a notice  following the  end of
     each calendar  year specifying  the amounts  of all  dividends and  capital
     gain  distributions paid (or  deemed paid)  during that  year. The  Fund is
     required to withhold 31% of  all dividends, capital gain  distributions and

                                          23
<PAGE>






     redemption  proceeds   payable  to  any   individuals  and  certain   other
     noncorporate shareholders  who do  not provide  the Fund  with a  certified
     taxpayer identification number.  The  Fund also is required to withhold 31%
     of   all  dividends   and  capital  gain   distributions  payable  to  such
     shareholders who otherwise are subject to backup withholding.

              A redemption of Fund shares may result in taxable  gain or loss to
     the redeeming  shareholder, depending  on whether  the redemption  proceeds
     are more  or less than  the shareholder's adjusted  basis for the  redeemed
     shares. An exchange  of Fund shares for  shares of another Legg  Mason fund
     will  generally  have  similar  tax  consequences.    If  Fund  shares  are
     purchased within  30  days before  or  after  redeeming other  Fund  shares
     (regardless of  class) at a  loss, all  or part  of that loss  will not  be
     deductible  and instead  will  increase the  basis  of the  newly purchased
     shares.

              A dividend or capital  gain distribution paid shortly after shares
     have been  purchased, although in effect a return of investment, is subject
     to federal income  tax.  Accordingly, an  investor should recognize  that a
     purchase  of  Fund shares  immediately  prior  to  the record  date  for  a
     dividend or capital  gain distribution could  cause the  investor to  incur
     tax liabilities and should not be made solely for the purpose of  receiving
     the dividend or capital gain distribution.

              The  foregoing is only a summary  of some of the important federal
     tax considerations generally  affecting the Fund and its  shareholders; see
     the  Statement  of  Additional  Information for  a  further  discussion. In
     addition to federal income tax, you may also be subject to  state and local
     income taxes on distributions from the Fund, depending  on the laws of your
     home state and  locality, though the portion  of the dividends paid  by the
     Fund attributable to direct U.S.  government obligations is not  subject to
     state  and local  income taxes  in most  jurisdictions.  The  Fund's annual
     notice  to shareholders regarding the  amount of  dividends identifies this
     portion.  Prospective shareholders are urged to  consult their tax advisers
     with  respect  to   the  effects  of  this  investment  on  their  own  tax
     situations.

     Shareholder Services

     Confirmations and Reports

              Shareholders  will receive  from  the distributor  a  confirmation
     after  each  transaction (except  a  reinvestment of  dividends  or capital
     gains  distributions).     An  account  statement  will  be  sent  to  each
     shareholder monthly unless there  has been no  activity in the account,  in
     which  case an account  statement will be  sent quarterly.  Reports will be
     sent  to shareholders  at least semiannually  showing the  Fund's portfolio
     and other information; the annual report  will contain financial statements
     audited by the Corporation's independent accountants.

              Confirmations for  purchases and redemptions  of Navigator  Shares
     made  by Institutional Clients acting in  a fiduciary, advisory, custodial,

                                          24
<PAGE>






     or  other  similar  capacity  on  behalf  of  persons maintaining  Customer
     Accounts at  Institutional  Clients  will  be  sent  to  the  Institutional
     Client.   Beneficial  ownership of  shares  by  Customer Accounts  will  be
     recorded by the Institutional Client  and reflected in the  regular account
     statements provided by them to their Customers.

              Shareholder inquiries  should  be  addressed  to  "Navigator  U.S.
     Government Intermediate-Term  Portfolio, c/o  Legg Mason Funds  Processing,
     P.O. Box  1476,  Baltimore, Maryland  21203-1476" or  "c/o Fairfield  Group
     Inc., 200 Gibraltar Road, Horsham, Pennsylvania 19044."

     Exchange Privilege

              Holders of  Navigator Shares  are entitled  to exchange  them  for
     Navigator Shares  of  the  following  funds,  provided  the  shares  to  be
     acquired are eligible for sale under applicable state securities laws:

     Navigator Money Market Fund, Inc. -- Prime Obligations Portfolio

              A money market fund seeking  to provide as high a level of current
     interest income as is consistent  with liquidity and relative  stability of
     principal.

     Navigator  Tax-Free Money  Market Fund,  Inc.  -- Navigator  Tax-Free Money
     Market Fund

              A  money market fund  seeking to provide its  shareholders with as
     high a level of current interest income that is exempt from federal  income
     taxes as is consistent with liquidity and relative stability of principal.

     Navigator Value Trust

              A mutual fund seeking long-term growth of capital.

     Navigator Special Investment Trust

              A   mutual   fund  seeking   capital  appreciation   by  investing
     principally  in  issuers  with market  capitalizations  of  less  than $2.5
     billion.

     Navigator Total Return Trust

              A mutual fund seeking  capital appreciation and current income  in
     order  to achieve  an attractive  total investment  return consistent  with
     reasonable risk.

     Legg Mason Cash Reserve Trust

              A money market  fund seeking  stability of  principal and  current
     income consistent with stability of principal.



                                          25
<PAGE>






              Investments by  exchange into the other  Navigator funds are  made
     at  the per share  net asset value determined  on the same  business day as
     redemption  of the  Fund shares  you wish  to exchange.  To  obtain further
     information concerning  the exchange  privilege and  prospectuses of  other
     Navigator funds, or  to make an  exchange, please  contact your  investment
     executive. To effect  an exchange by telephone, please call your investment
     executive with  the information described  in the section  "How to Purchase
     and Redeem  Shares," page  13. The  Fund reserves  the right  to modify  or
     terminate the exchange privilege upon 60 days' notice to shareholders.

              There is no assurance that  the money market funds will be able to
     maintain a $1.00  share price. None of  the funds is insured  or guaranteed
     by the U.S. Government.


     The Fund's Board of Directors, Manager 
     and Investment Adviser 

     Board of Directors

              The  business  and  affairs  of the  Fund  are  managed under  the
     direction of the Corporation's Board of Directors.

     Manager

              Pursuant  to a  management  agreement with  the  Fund ("Management
     Agreement"), which  was approved  by the Corporation's  Board of Directors,
     Legg  Mason Fund Adviser,  Inc., a  wholly owned subsidiary  of Legg Mason,
     Inc., serves as  the Fund's manager. The Manager manages the non-investment
     affairs of the  Fund, directs all matters  related to the operation  of the
     Fund and provides office  space and administrative staff for the  Fund. The
     Fund pays the  Manager, pursuant to the  Management Agreement, a fee  equal
     to an annual rate of 0.55% of the Fund's average daily net assets.

              The  Manager acts  as  manager, investment  adviser  or investment
     consultant to  fifteen investment company  portfolios (excluding the  Fund)
     which had  aggregate assets  under management  of over $3.8  billion as  of
     February  28, 1995.  The  Manager's address  is  111 South  Calvert Street,
     Baltimore, Maryland  21202.   The  Fund's  Manager  has agreed  that  until
     October 31,  1995 or  when the  Fund reaches  net assets  of $400  million,
     whichever occurs  first, it will  continue to reimburse  fees and/or assume
     other  expenses to  the  extent the  Fund's  expenses (exclusive  of taxes,
     interest, brokerage and extraordinary  expenses) exceed during any month an
     annual rate of  0.45% (Navigator  Shares) of the  Fund's average daily  net
     assets for such month.

     Investment Adviser

              Western Asset Management Company, another  wholly owned subsidiary
     of Legg Mason, Inc.,  serves as investment adviser to the Fund  pursuant to
     the terms of an Investment  Advisory Agreement with the Manager,  which was
     approved by the Corporation's Board  of Directors. The Adviser  manages the

                                          26
<PAGE>






     investment and  other affairs of  the Fund  and directs the  investments of
     the  Fund  in  accordance  with  its  investment  objective,  policies  and
     limitations. For  these  services, the  Manager  (not  the Fund)  pays  the
     Adviser a fee, computed daily and payable monthly, at an annual rate  equal
     to 40% of the fee received  by the Manager, or 0.22% of  the Fund's average
     daily net assets.

              An investment  committee has  been responsible for  the day-to-day
     management of the Fund since its inception.

              The  Adviser also  renders  investment advice  to  eleven open-end
     investment companies and one closed-end investment  company, which together
     had aggregate assets under management  of approximately $2.3 billion  as of
     February 28,  1995. The Adviser  also renders investment  advice to private
     accounts with fixed income  assets under management of  approximately $10.8
     billion  as of that date. The  address of the Adviser  is 117 East Colorado
     Boulevard, Pasadena, California 91105.

              The  Adviser  has  managed  fixed  income  portfolios continuously
     since its  founding in 1971, and  has focused exclusively on  such accounts
     since 1984.

              In  managing  fixed-income portfolios,  the Adviser  first studies
     the  range  of  factors  that  influence  interest  rates  and  develops  a
     long-term  interest rate  forecast. It  then allocates  available  funds to
     those  sectors  of  the market  (for  example,  government,  corporate,  or
     mortgage-backed securities),  which it considers  most attractive. Then  it
     selects the  specific issues which  it believes represent  the best values.
     All  three  decisions   are  integral  parts  of  the  Adviser's  portfolio
     management process and contribute to its performance record.


     The Fund's Distributor

              Legg  Mason is the distributor of the Fund's shares pursuant to an
     Underwriting  Agreement with  the Corporation.  The Underwriting  Agreement
     obligates  Legg  Mason to  pay  certain  expenses  in  connection with  the
     offering  of  shares  of  the  Fund,  including  any  compensation  to  its
     investment  executives,  the  printing  and  distribution  of prospectuses,
     statements  of  additional   information  and  periodic  reports   used  in
     connection  with   the  offering  to   prospective  investors,  after   the
     prospectuses, statements  of additional information  and reports have  been
     prepared,  set in  type and mailed  to existing shareholders  at the Fund's
     expense, and for any supplementary sales literature and advertising costs.

              Legg Mason also  receives a  fee from BFDS for  assisting it  with
     its transfer  agent and  shareholder servicing  functions.  For the  period
     ended  December  31, 1994,  Legg  Mason  received  $2  for performing  such
     services in connection with this Fund.

              Fairfield  Group, Inc.,  a wholly owned subsidiary  of Legg Mason,
     Inc., is a registered broker-dealer  with principal offices located  at 200

                                          27
<PAGE>






     Gibraltar Road,  Horsham, Pennsylvania  19044.   Fairfield sells  Navigator
     Shares pursuant to  a Dealer Agreement  with the  Fund's Distributor,  Legg
     Mason.  Neither  Fairfield nor Legg  Mason receives  compensation from  the
     Fund for selling Navigator Shares.

              The  Chairman,  President and  Treasurer  of  the  Corporation are
     employed by Legg Mason.

     Description of the Corporation and its Shares

              The  Corporation  is a  diversified  open-end  investment  company
     which  was incorporated  in Maryland  on  April 28,  1987. The  Articles of
     Incorporation of  the Corporation permit  the Board of  Directors to create
     additional series  (or portfolios), each  of which issues  a separate class
     of  shares.  There  are  currently  four  portfolios  of  the  Corporation,
     including  the Fund. While additional series  may be created in the future,
     there  is  no intention  at  this time  to form  any  particular additional
     series.

              The  Corporation  has  authorized  one  billion shares  of  common
     stock, par value $.001  per share. The Fund currently offers two classes of
     shares -- Navigator  Class and Class A  (known as "Primary Shares").   Each
     class  represents interests  in the  same pool  of assets  of the  Fund.  A
     separate  vote is  taken by  a class  of shares  of  the Fund  if a  matter
     affects just  that  class  of  shares.   Each  class  of  shares  may  bear
     differing class-specific  expenses.   Salespersons and  others entitled  to
     receive compensation for  selling or servicing Fund shares may receive more
     with respect to one class than another.

              The initial and subsequent  investment minimums for Primary Shares
     are $1,000  and $100, respectively.   Investments in Primary Shares  may be
     made through a Legg Mason  or Affiliated Investment Executive,  through the
     Future First  Systematic Investment  Plan or  through automatic  investment
     arrangements.

              Holders  of  Primary Shares  bear  distribution  and  service fees
     under  Rule 12b-1 at  the rate of  0.50% of the  net assets attributable to
     Primary  Shares.    Investors  in  Primary  Shares  may  elect  to  receive
     dividends and/or capital  gain distributions in cash through the receipt of
     a check or a credit to  their Legg Mason account.  The per share  net asset
     value of the  Navigator Class of  Shares, and  dividends and  distributions
     (if  any) paid  to  Navigator shareholders,  are  generally expected  to be
     higher than  those of  Primary Shares  of the  Fund, because  of the  lower
     expenses attributable  to Navigator Shares.  The  per share net asset value
     of  the classes of shares will tend to converge, however, immediately after
     the payment of  ordinary income dividends.  Primary  Shares of the Fund may
     be exchanged  for the  corresponding class of  shares of  other Legg  Mason
     Funds.  Investments  by exchange  into the Legg  Mason Funds  sold with  an
     initial sales  charge are made at  the per share net  asset value, plus the
     sales charge,  determined on  the same  business day  as redemption  of the
     Fund shares the investors in Primary Shares wish to redeem.


                                          28
<PAGE>






              The Fund's Manager has agreed that until October 31, 1995  or when
     the  Fund reaches net  assets of $400  million, whichever  occurs first, it
     will continue to  reimburse management fees and/or assume other expenses to
     the extent  the expenses of  Primary Shares (exclusive  of taxes, interest,
     brokerage and extraordinary  expenses) exceed  during any  month an  annual
     rate of 0.95%  of the average daily net  assets of Primary Shares  for such
     month.   Reimbursement by the  Manager reduces Fund  expenses and increases
     its yield and total return.

              The Board of Directors of the  Fund does not anticipate that there
     will be any conflicts  among the interests of the holders of  the different
     classes of  Fund shares.   On  an ongoing  basis, the  Board will  consider
     whether any such conflict exists and, if so, take appropriate action.

              Shareholders of  the Fund are  entitled to one vote  per share and
     fractional  votes  for fractional  shares  held.    Voting  rights are  not
     cumulative.  All  shares of the Fund  are fully paid and  nonassessable and
     have no preemptive or conversion rights.

              Shareholder  meetings will not  be held except where  the 1940 Act
     requires a shareholder vote on  certain matters (including the  election of
     directors,  approval of  an advisory  contract, and  approval of  a plan of
     distribution pursuant to Rule 12b-1).  The Corporation will call  a special
     meeting  of the shareholders  at the request  of 10% or  more of the shares
     entitled to  vote;  shareholders wishing  to  call  such a  meeting  should
     submit  a  written  request  to the  Fund  at  111  South  Calvert  Street,
     Baltimore, Maryland 21202,  stating the purpose of the proposed meeting and
     the matters to be acted upon.

























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