EATON VANCE GOVERNMENT OBLIGATIONS TRUST
497, 1995-05-08
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<PAGE>
                     EATON VANCE SHORT-TERM TREASURY FUND

     EATON VANCE SHORT-TERM  TREASURY FUND (THE "FUND") IS A MUTUAL FUND SEEKING
CURRENT  INCOME  AND  LIQUIDITY,  BY  INVESTING  EXCLUSIVELY  IN  U.S.  TREASURY
OBLIGATIONS.  THE FUND IS A SERIES OF EATON VANCE GOVERNMENT  OBLIGATIONS  TRUST
(THE "TRUST").

     Shares of the Fund are not deposits or  obligations  of, or  guaranteed  or
endorsed  by,  any bank or other  insured  depository  institution,  and are not
federally  insured by the Federal  Deposit  Insurance  Corporation,  the Federal
Reserve  Board or any  other  government  agency.  Shares  of the  Fund  involve
investment risks,  including fluctuations in value and the possible loss of some
or all of the principal investment.

   
     This Prospectus is designed to provide you with information you should know
before investing.  Please retain this document for future reference. A Statement
of Additional  Information  dated May 1, 1995 for the Fund, as supplemented from
time to time, has been filed with the Securities and Exchange  Commission and is
incorporated  herein by reference.  This Statement of Additional  Information is
available  without  charge from the Fund's  principal  underwriter,  Eaton Vance
Distributors,  Inc. (the "Principal Underwriter"), 24 Federal Street, Boston, MA
02110 (telephone (800) 225-6265).  The Fund's investment  adviser is Eaton Vance
Management  (the  "Investment  Adviser"),  which is located at the same address.
    

- --------------------------------------------------------------------------------
    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.
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>

   
                                          PAGE                                       PAGE
<S>                                       <C>  <C>                                   <C>
Shareholder and Fund Expenses ..........   2   How to Redeem Fund Shares ...........   9
The Fund's Financial Highlights ........   3   Reports to Shareholders .............  11
The Fund and Its Investment Objective ..   4   The Lifetime Investing Account/
How the Fund Invests Its Assets ........   4     Distribution Options ..............  11
Organization of the Fund ...............   5   The Eaton Vance Exchange Privilege ..  12
Management of the Fund .................   5   Eaton Vance Shareholder Services ....  13
Distribution Plan ......................   7   Distributions and Taxes .............  13
Valuing Fund Shares ....................   7   Performance Information .............  15
How to Buy Fund Shares .................   8
</TABLE>
- --------------------------------------------------------------------------------
                         PROSPECTUS DATED MAY 1, 1995
<PAGE>

SHAREHOLDER AND FUND EXPENSES(1)
- --------------------------------------------------------------------------------
SHAREHOLDER TRANSACTION EXPENSES
  Sales Charges Imposed on Purchases of Shares                            None
  Sales Charges Imposed on Reinvested Distributions                       None
  Redemption Fees                                                         None
  Fees to Exchange Shares                                                 None

ANNUAL FUND OPERATING EXPENSES(2)
(as a percentage of average daily net assets)
  Investment Adviser Fee(3) (after fee reduction)                        0.00%
  Rule 12b-1 Distribution Fees                                           0.25%
  Other Expenses (after expense reduction)                               0.35%
                                                                         ----
      Total Operating Expenses (after reductions)                        0.60%
                                                                         ==== 
EXAMPLE                          1 YEAR       3 YEARS      5 YEARS     10 YEARS
                                 ------       -------      -------     --------
An investor would pay the 
following expenses on a $1,000
investment, assuming (a) 5% 
annual return and (b) 
redemption at the end
of each time period:               $6           $19          $33          $75

Notes:
(1) The  purpose  of the above  table and  Example  is to  assist  investors  in
    understanding the various costs and expenses that investors in the Fund will
    bear  directly  or  indirectly.  The  percentages  indicated  as Annual Fund
    Operating  Expenses in the table and the amounts included in the Example are
    based on the Fund's  projected  fees and expenses for the fiscal year ending
    December 31, 1995. The Example should not be considered a representation  of
    past or future  expenses  and  actual  expenses  may be greater or less than
    those shown.  The Example assumes a 5% annual return,  and the Fund's actual
    performance  may  result in an annual  return  greater  or less than 5%. For
    further  information  regarding  the  expenses of the Fund,  see "The Fund's
    Financial  Highlights,"  "Management  of the Fund"  and "How to Redeem  Fund
    Shares." Because the Fund makes payments under its Distribution Plan adopted
    under Rule 12b-1,  a long-term  shareholder  may pay more than the  economic
    equivalent of the maximum  front-end sales charge permitted by a rule of the
    National Association of Securities Dealers, Inc. See "Distribution Plan."
(2) Annual Fund Operating Expenses reflect the Investment Adviser's intention to
    reduce its advisory fee (and accept an allocation of other expenses) so that
    aggregate expenses of the Fund are 0.60% of average daily net assets for the
    current fiscal year. Total Operating Expenses borne by the Fund for the most
    recent  fiscal year were 0.84% of average  daily net assets.  For such year,
    the Investment  Adviser reduced its fee and a portion of the Fund's expenses
    was  allocated  to the  Investment  Adviser.  Had such action not been taken
    Annual Fund Operating  Expenses would have been:  Investment  Adviser Fee --
    0.22%, Rule 12b-1  Distribution Fees -- 0.25%,  Other Expenses -- 0.76%, and
    Total Operating Expenses -- 1.23%; and the Example would read as follows:

                                 1 YEAR       3 YEARS      5 YEARS     10 YEARS
                                 ------       -------      -------     --------

An investor would pay the 
following expenses on a $1,000
investment, assuming (a) 5% 
annual return and (b) redemption
at the end of each time period:    $13          $39          $68         $149

(3) The Fund's monthly advisory fee has two components, a fee based on daily net
    assets  and a fee  based  on daily  gross  income,  as set  forth in the fee
    schedule on page 6.
<PAGE>
    
THE FUND'S FINANCIAL HIGHLIGHTS
- --------------------------------------------------------------------------------
   
The  following  information  should  be read in  conjunction  with  the  audited
financial statements included in the Statement of Additional Information, all of
which have been so  included  in  reliance  upon the report of Coopers & Lybrand
L.L.P.,  independent  accountants,  as experts in accounting and auditing, which
report  is  contained  in  the  Statement  of  Additional  Information.  Further
information  regarding  the  performance  of the Fund is contained in the Fund's
annual report to shareholders which may be obtained without charge by contacting
the Principal Underwriter.
    
- --------------------------------------------------------------------------------
                                             YEAR ENDED DECEMBER 31,
                                      ------------------------------------
                                       1994      1993      1992      1991<F3>
                                      ------    ------    ------    ------
NET ASSET VALUE, 
  beginning of year ............      $55.58    $54.30    $52.64    $50.18
                                      ------    ------    ------    ------
INCOME FROM OPERATIONS:
  Net investment income ...........   $ 1.80    $ 1.34    $ 1.61    $ 2.15
  Net realized and unrealized 
    gain (loss) on investments ....     0.14     (0.06)     0.05      0.31
                                      ------    ------    ------    ------
    Total income from operations ..   $ 1.94    $ 1.28    $ 1.66    $ 2.46
                                      ------    ------    ------    ------
NET ASSET VALUE, end of year ......   $57.52    $55.58    $54.30    $52.64
                                      ======    ======    ======    ======

TOTAL RETURN<F4> ..................    3.49%     2.36%     3.15%     4.90%

   
RATIOS/SUPPLEMENTAL DATA:
  Net assets, end of year
    (000's omitted) ...............   $1,175    $1,743    $4,917   $100,976
  Ratio of expenses to average 
    daily net assets<F1> ..........    0.84%     0.60%     0.60%      0.60%<F2>
  Ratio of net investment income to
    average daily net assets<F1> ..    2.97%     2.48%     3.01%      4.66%<F2>
    

<F1> The  expenses  related to the  operation of the Fund reflect a reduction of
     the investment  adviser fee and an allocation of expenses to the Investment
     Adviser.  Had such action not been taken,  net investment  income per share
     and the ratios would have been as follows:

NET INVESTMENT INCOME PER SHARE ...   $ 1.56    $ 1.28    $ 1.56    $ 2.07
                                      ======    ======    ======    ======

   
RATIOS (as a percentage of average
  daily net assets):
    Expenses ......................    1.23%     0.70%     0.70%     0.78%<F2>
                                      ======    ======    ======    ======
    Net investment income .........    2.58%     2.38%     2.91%     4.49%<F2>
                                      ======    ======    ======    ======
Note:  Certain of the per share amounts have been computed  using average shares
outstanding.

<F2> Computed on an annualized basis.
<F3> Period  from the date of initial  public  offering,  February  4, 1991,  to
     December 31, 1991.  For the period from the start of business,  January 11,
     1991, to February 3, 1991,  net  investment  income  aggregating  $0.18 per
     share  ($367)  was earned by the Fund.  The  financial  highlights  for the
     period were audited by the Fund's previous auditors.
<F4> Total  return is  calculated  assuming a purchase at the net asset value on
     the  first  day and a sale at the net  asset  value on the last day of each
     period  reported.  Dividends and  distributions,  if any, are assumed to be
     reinvested at the net asset value on the record date.
<PAGE>
    

THE FUND AND ITS INVESTMENT OBJECTIVE
- --------------------------------------------------------------------------------

   
Eaton Vance Short-Term  Treasury Fund is a no-load diversified mutual fund which
continuously  offers its shares of beneficial interest to the public. The Fund's
investment  objective is to seek current income and liquidity.  The Fund invests
exclusively  in U.S.  Treasury  obligations  (bills,  notes  and  bonds)  with a
remaining  maturity  of up to five  years and will  maintain  a dollar  weighted
average  portfolio  maturity  of not more than one year.  The Fund's  investment
objective is a  nonfundamental  policy which may be changed by Trustee vote. The
Trustees, however, have indicated that they intend to submit any material change
in the  investment  objective  to  shareholders  for  their  approval.  The Fund
provides  shareholders  ease of investment  and  redemption  by allowing  direct
purchases,  check-writing,  same-day wire purchases and redemptions,  and access
through  broker-dealers.  No commissions or redemption  fees are charged on Fund
purchases or redemptions.
    

HOW THE FUND INVESTS ITS ASSETS
- --------------------------------------------------------------------------------

   
The Fund  invests  exclusively  in U.S.  Treasury  obligations  with a remaining
maturity of up to five years.  U.S. Treasury  obligations  include the following
(which differ in their interest rates,  maturities and times of issuance):  U.S.
Treasury bills (maturities of one year or less), U.S. Treasury notes (maturities
of one to ten years) and U.S.  Treasury bonds  (generally  maturities of greater
than ten years).  The Fund invests in U.S.  Treasury notes and bonds only to the
extent that their remaining maturity is five years or less. U.S. Treasury bills,
notes and  bonds,  are  supported  by the full  faith and  credit of the  United
States.

     The Fund will maintain a dollar weighted average portfolio  maturity of not
more than one year. In measuring the dollar weighted average portfolio  maturity
of the Fund,  the Fund will use the concept of "duration."  Duration  represents
the dollar weighted average maturity of expected cash flows (i.e.,  interest and
principal payments) on one or more debt obligations, discounted to their present
values.  The duration of an  obligation  is generally  equal to or less than its
stated  maturity and is related to the degree of  volatility in the market value
of the  obligation.  Maturity  measures  only  the  time  until a debt  security
provides its final  payment;  it takes no account of the pattern of a security's
payments over time.  Duration  takes both  interest and principal  payments into
account and,  thus,  in the  Investment  Adviser's  opinion,  is a more accurate
measure of a debt security's longevity.

INVESTMENT CONSIDERATIONS
     The net  asset  value of the  Fund's  shares  will  change in  response  to
interest  rate  fluctuations.  When  interest  rates  decline,  the  value  of a
portfolio  primarily  invested  in debt  securities  can be  expected  to  rise.
Conversely,  when  interest  rates  rise,  the  value of a  portfolio  primarily
invested in debt  securities  can be expected  to  decline.  However,  a shorter
maturity is generally  associated with a lower level of market value volatility.
Accordingly,  the  Investment  Adviser  expects  that the net asset value of the
Fund's  shares  normally  will  fluctuate  significantly  less  than  that  of a
longer-term  bond fund since the dollar weighted average  portfolio  maturity of
the Fund will not exceed one year.

     The  Fund has  adopted  certain  fundamental  investment  restrictions  and
policies  which  are  enumerated  in  detail  in  the  Statement  of  Additional
Information  and which may not be changed  unless  authorized  by a  shareholder
vote.  Except for such  enumerated  restrictions  and policies,  the  investment
objective and policies of the Fund are not fundamental  policies and accordingly
may be changed by the  Trustees  without  obtaining  the  approval of the Fund's
shareholders.

     The shareholders  have authorized the Fund to invest its assets in an open-
end management  investment  company  having  substantially  the same  investment
policies  and  restrictions  as the  Fund.  The  Board of  Trustees,  should  it
implement the new investment policy,  would invest the assets of the Fund in the
Short-Term Treasury Portfolio (the "Portfolio"). The Portfolio is a trust which,
like the Fund, would be registered as an open-end management  investment company
under the Investment  Company Act of 1940. It is  anticipated  that the Fund, by
investing its assets in the Portfolio, would be in a position to realize certain
benefits from an increase in the size of the  underlying  investment  portfolio.
There can be no assurance  that these  anticipated  benefits  would be realized.
This policy has not been  implemented  given the current  asset size of the Fund
and the lack of other investment  vehicles available to invest in the Portfolio.
Conversion to this two-tier investment structure may, however, become attractive
in the future.
    

ORGANIZATION OF THE FUND
- --------------------------------------------------------------------------------

   
THE FUND IS A DIVERSIFIED SERIES OF EATON VANCE GOVERNMENT  OBLIGATIONS TRUST, A
BUSINESS TRUST ESTABLISHED UNDER  MASSACHUSETTS LAW PURSUANT TO A DECLARATION OF
TRUST DATED MAY 7, 1984, AS AMENDED AND RESTATED.  THE TRUST IS A MUTUAL FUND --
AN  OPEN-END  MANAGEMENT  INVESTMENT  COMPANY.  The  Trustees  of the  Trust are
responsible for the overall management and supervision of its affairs. The Trust
may issue an unlimited number of shares of beneficial interest (no par value per
share) in one or more  series and because  the Trust can offer  separate  series
(such as the Fund) it is known as a "series  company." Each share  represents an
equal   proportionate   beneficial   interest  in  the  Fund.  When  issued  and
outstanding,  the  shares  are  fully  paid and  nonassessable  by the Trust and
redeemable  as described  under "How to Redeem Fund  Shares".  Shareholders  are
entitled  to one vote for each full share held.  Fractional  shares may be voted
proportionately.  Shares have no preemptive or conversion  rights and are freely
transferable.  In the event of the  liquidation  of the Fund,  shareholders  are
entitled  to  share  pro  rata in the  net  assets  of the  Fund  available  for
distribution to shareholders.
    

MANAGEMENT OF THE FUND
- --------------------------------------------------------------------------------

THE FUND  ENGAGES  EATON  VANCE  MANAGEMENT  ("EATON  VANCE") AS ITS  INVESTMENT
ADVISER.  EATON VANCE,  ITS AFFILIATES AND ITS  PREDECESSOR  COMPANIES HAVE BEEN
MANAGING  ASSETS  OF  INDIVIDUALS  AND  INSTITUTIONS  SINCE  1924  AND  MANAGING
INVESTMENT  COMPANIES SINCE 1931.  Eaton Vance's  expertise in the management of
fixed-income securities ranges from government obligations, high-grade corporate
and municipal securities and bank loan interests to higher yielding instruments.

   
     Acting under the general  supervision  of the Trustees of the Trust,  Eaton
Vance manages the Fund's investments and affairs.  Under its investment advisory
agreement  with the Trust on behalf of the Fund,  Eaton Vance receives a monthly
advisory fee equal to the aggregate of:

     (a) a daily  asset-based  fee  computed by applying  the annual  asset rate
         applicable  to that  portion  of the  total  daily  net  assets in each
         Category as indicated below, plus

     (b) a daily  income-based  fee  computed by applying  the daily income rate
         applicable  to that  portion of the total  daily  gross  income  (which
         portion  shall  bear the same  relationship  to the total  daily  gross
         income on such day as that portion of the total daily net assets in the
         same Category  bears to the total daily net assets on such day) in each
         Category as indicated below:
    

                                                           ANNUAL       DAILY
  CATEGORY           DAILY NET ASSETS                    ASSET RATE  INCOME RATE
  --------           ----------------                    ----------  -----------
     1       up to $20 million .......................     0.150%       1.50%
     2       $20 million but less than $40 million ...     0.200%       2.00%
     3       $40 million but less than $500 million ..     0.250%       2.50%
     4       $500 million but less than $1 billion ...     0.225%       2.25%
     5       $1 billion but less than $1.5 billion ...     0.200%       2.00%
     6       $1.5 billion but less than $2 billion ...     0.190%       1.90%
     7       $2 billion but less than $3 billion .....     0.180%       1.80%
     8       $3 billion and over .....................     0.170%       1.70%

   
Total daily gross income is the total  investment  income,  exclusive of capital
gains and losses and before deduction of expenses, earned each day by the Fund.

     As at December 31,  1994,  the Fund had net assets of  $1,175,453.  For the
fiscal year ended December 31, 1994, Eaton Vance would have earned, absent a fee
reduction,  advisory fees  equivalent  to 0.22% of the Fund's  average daily net
assets for such year. To enhance the net income of the Fund,  Eaton Vance made a
reduction of its advisory fee in the full amount and Eaton Vance was allocated a
portion of the Fund's operating expenses in the amount of $31,702.

     Eaton Vance also  furnishes  for the use of the Fund  office  space and all
necessary  office   facilities,   equipment  and  personnel  for  servicing  the
investments of the Fund and has arranged for certain  members of the Eaton Vance
organization  to serve without salary as officers or Trustees of the Trust.  The
Fund is responsible  for the payment of all expenses other than those  expressly
stated to be payable by Eaton Vance under the investment advisory agreement.

     Most of the obligations  which the Fund will acquire for its portfolio will
normally be traded on a net basis (without  commission)  through  broker-dealers
and banks acting for their own account.  Such firms  attempt to profit from such
transactions by buying at the bid price and selling at the higher asked price of
the market,  and the  difference is  customarily  referred to as the spread.  In
selecting  firms which will  execute  Fund  portfolio  transactions  Eaton Vance
judges  their  professional  ability  and  quality of service  and uses its best
efforts to obtain  execution at prices which are advantageous to the Fund and at
reasonably  competitive  spreads.  Subject  to the  foregoing,  Eaton  Vance may
consider sales of shares of the Fund or of other investment  companies sponsored
by Eaton  Vance as a  factor  in the  selection  of firms to  execute  portfolio
transactions.
    

     Michael B. Terry has acted as the portfolio manager since January, 1991. He
has been a Vice President of Eaton Vance since 1984.

   
     EATON  VANCE OR ITS  AFFILIATES  ACT AS  INVESTMENT  ADVISER TO  INVESTMENT
COMPANIES AND VARIOUS  INDIVIDUAL  AND  INSTITUTIONAL  CLIENTS WITH ASSETS UNDER
MANAGEMENT  OF  APPROXIMATELY  $15  BILLION.   Eaton  Vance  is  a  wholly-owned
subsidiary of Eaton Vance Corp.  ("EVC"), a publicly held holding company.  EVC,
through its  subsidiaries and affiliates,  engages in investment  management and
marketing  activities,  fiduciary and banking services,  oil and gas operations,
real estate investment,  consulting and management,  and development of precious
metals properties.  Eaton Vance Distributors,  Inc. (the "Principal Underwriter"
or "EVD"),  24 Federal Street,  Boston,  MA 02110, a wholly-owned  subsidiary of
Eaton Vance, acts as Principal Underwriter to the Fund.
<PAGE>
    

DISTRIBUTION PLAN
- --------------------------------------------------------------------------------

   
In  addition  to  advisory  fees and other  expenses,  the Fund pays for certain
expenses  pursuant  to a  Distribution  Plan (the  "Plan")  designed to meet the
requirements  of Rule 12b-1 under the  Investment  Company Act of 1940. THE PLAN
PROVIDES  THAT  THE  FUND  WILL  PAY  THE  PRINCIPAL   UNDERWRITER  A  QUARTERLY
DISTRIBUTION  FEE EQUAL TO .25% ON AN ANNUAL BASIS OF THE FUND'S  AVERAGE  DAILY
NET ASSETS.  The  Principal  Underwriter  may pay up to the entire amount of the
distribution fee to a financial  service firm (including  banking  institutions)
(an  "Authorized  Firm") and their  employees  and to employees of the Principal
Underwriter and its affiliates for providing  distribution  services to the Fund
or services to  shareholders.  The Principal  Underwriter  may also pay all or a
portion of such  distribution  fee to employees of the Principal  Underwriter or
any of its affiliates for providing any of such services. During the fiscal year
ended  December 31, 1994, the Fund paid the Principal  Underwriter  distribution
fees under the Plan  equivalent  to .25% of the Fund's  average daily net assets
for such year. To the extent that the distribution fee is not paid to Authorized
Firms and other  persons,  the  Principal  Underwriter  may use such fee for its
expenses of distribution of Fund shares.  If such fees exceed its expenses,  the
Principal Underwriter will realize a profit from these arrangements.

     Rule 12b-1 is broadly worded and currently  permits  mutual funds,  such as
the Fund, to finance  distribution  activities and bear expenses associated with
the distribution of their shares. While the Rule does not describe in detail the
specific  types of  activities  which may be financed  or expenses  which may be
borne by a fund, it currently  states that such permissible  activities  include
the compensation of underwriters,  dealers and sales personnel. Accordingly, the
Plan adopted by the Fund is designed to compensate the Principal Underwriter and
the Authorized Firms through which the Fund's shares are  distributed.  The Plan
is described further in the Statement of Additional Information.
    

VALUING FUND SHARES
- --------------------------------------------------------------------------------

   
THE FUND  VALUES ITS SHARES  TWICE  EACH DAY THE NEW YORK  STOCK  EXCHANGE  (THE
"EXCHANGE") IS OPEN FOR TRADING,  AT NOON AND AS OF THE CLOSE OF REGULAR TRADING
ON THE EXCHANGE  (NORMALLY 4:00 P.M. NEW YORK TIME).  The Fund's net asset value
per  share  is  determined  by its  custodian,  Investors  Bank & Trust  Company
("IBT"), (as agent for the Fund) in the manner authorized by the Trustees of the
Trust.  Net asset value is computed  by dividing  the value of the Fund's  total
assets,  less  its  liabilities,  by the  number  of  shares  outstanding.  Debt
securities,   including  listed   securities  and  securities  for  which  price
quotations  are  available,  will  normally  be  valued  on the  basis of market
valuations furnished by a pricing service. Other assets are valued at fair value
using methods determined in good faith by the Trustees.

     The net asset  value so  determined  is  effective  for orders  received by
Authorized Firms prior to the price determination  (which for this purpose shall
be deemed to have been made at noon and as of the close of  regular  trading  on
the Exchange, except under extraordinary  circumstances) and communicated by the
Authorized Firm to the Principal  Underwriter  (see "How to Buy Fund Shares") at
noon or prior to the close of the  Principal  Underwriter's  business day. It is
the  Authorized  Firm's  responsibility  to  transmit  orders  promptly  to  the
Principal Underwriter.  Eaton Vance Corp. owns 77.3% of the outstanding stock of
IBT, the Fund's custodian.
<PAGE>

      ------------------------------------------------------------------
      SHAREHOLDERS  MAY  DETERMINE  THE  VALUE  OF THEIR  INVESTMENT  BY
      MULTIPLYING  THE NUMBER OF FUND  SHARES  OWNED BY THE  CURRENT NET
      ASSET VALUE PER SHARE.
      ------------------------------------------------------------------
    

HOW TO BUY FUND SHARES
- --------------------------------------------------------------------------------

SHARES OF THE FUND ARE SOLD  WITHOUT A SALES  CHARGE AT THE NET ASSET VALUE NEXT
DETERMINED AFTER THE RECEIPT OF A PURCHASE ORDER AS DESCRIBED BELOW. The minimum
initial  purchase of shares is $5,000.  Once an account has been established the
investor may make  additional  investments  of $50 or more at any time. The Fund
reserves  the right to reject  any order for the  purchase  of its  shares or to
limit or suspend,  without prior notice,  the offering of its shares. See "Eaton
Vance Shareholder Services" below.

   
FUND SHARES MAY BE PURCHASED IN THE FOLLOWING WAYS:

   * PURCHASES THROUGH  AUTHORIZED  FIRMS.  Investors may purchase shares of the
     Fund through  Authorized Firms at the net asset value per share of the Fund
     next determined after such purchase. Pursuant to its Distribution Agreement
     with EVD, the Trust engages EVD to distribute  the Fund's shares on a "best
     efforts"  basis  through  Authorized  Firms.  EVD will furnish the names of
     Authorized  Firms to an investor  upon  request.  Authorized  Firms include
     financial service firms with whom the Principal Underwriter has agreements.

   * PURCHASES BY WIRE.  Investors may also purchase shares by requesting  their
     bank to transmit  immediately  available  funds (Federal Funds) by wire to:
     ABA #011001438,  Federal Reserve Bank of Boston, A/C Investors Bank & Trust
     Company, Further Credit Eaton Vance Short-Term Treasury Fund, A/C # [Insert
     your account number -- see below].

          Upon making an initial  investment by wire,  you must first  telephone
     the Order Department of the Fund  (800-225-6265,  extension 3) to advise of
     your action and to be assigned  an account  number.  If you neglect to make
     the telephone  call, it may not be possible to process your order promptly.
     In addition, the Account Application form which accompanies this Prospectus
     should be promptly  forwarded to the Fund's  Transfer  Agent (the "Transfer
     Agent") as follows:  The Shareholder Services Group, Inc., BOS725, P.O. Box
     1559, Boston, MA 02104.

          Additional  investments  may be  made at any  time  through  the  wire
     procedure  described  above.  The Fund Order Department must be immediately
     advised by telephone  (800-225-6265,  extension 3) of each  transmission of
     funds by wire.

          Purchases  received  by  wire  before  noon  on any  business  day are
     invested  at the net asset  value  determined  at noon on that  day.  Those
     purchases  received by wire  between noon and 4:00 p.m. on any business day
     are  invested at the net asset value  determined  at 4:00 p.m. on that day.
     (See "Valuing Fund Shares").

   * PURCHASES BY MAIL. For an initial purchase by mail, the Account Application
     form which  accompanies  this  Prospectus  should be completed,  signed and
     mailed with a check, Federal Reserve Draft, or other negotiable bank draft,
     drawn on a U.S.  bank and  payable in U.S.  dollars,  to the order of Eaton
     Vance  Short-Term  Treasury Fund, to the Fund's  Transfer Agent as follows:
     The Shareholder  Services Group,  Inc.,  BOS725,  P.O. Box 1559, Boston, MA
     02104.

          Additional  purchases  may be made at any  time by  mailing  a  check,
     Federal Reserve Draft, or other negotiable bank draft, drawn on a U.S. bank
     and  payable  in U.S.  dollars,  to the  order  of Eaton  Vance  Short-Term
     Treasury  Fund,  to the Fund's  Transfer  Agent at the above  address.  The
     account  to which  the  subsequent  purchase  is to be  credited  should be
     identified  as to the  name(s) of the  registered  owner(s)  and by account
     number.

   * OTHER PURCHASE PROCEDURES. Transactions in the U.S. Treasury obligations in
     which the Fund invests require  immediate  settlement in Federal Funds. The
     Fund  intends at all times to be as fully  invested as is feasible in order
     to maximize its earnings. Accordingly,  purchase orders will be executed at
     the net asset value next determined after their receipt by the Fund only if
     the Fund has received  payment in cash or in Federal Funds.  If remitted in
     other than the foregoing manner,  such as by money order or personal check,
     purchase  orders will be executed as of the close of business on the second
     Boston business day after receipt.  Information on how to procure a Federal
     Reserve Draft or transmit  Federal Funds by wire is available at your bank.
     The bank may charge a fee for these services.

     In connection  with employee  benefit or other  continuous  group  purchase
plans under which the average  initial  purchase by a participant of the plan is
$5,000 or more, the Fund may accept  initial  investments of less than $5,000 on
the part of an  individual  participant.  In the  event a  shareholder  who is a
participant  of such a plan  terminates  participation  in the plan,  his or her
shares  will be  transferred  to a regular  individual  account.  However,  such
account  will be subject  to the right of  redemption  by the Fund as  described
below under "How to Redeem Fund Shares."
    

HOW TO REDEEM FUND SHARES
- --------------------------------------------------------------------------------

   
A SHAREHOLDER MAY REDEEM FUND SHARES BY DELIVERING TO THE  SHAREHOLDER  SERVICES
GROUP, INC., BOS725,  P.O. BOX 1559, BOSTON, MA 02104, during its business hours
a written request for redemption in good order, plus any share certificates with
executed stock powers. The redemption price will be based on the net asset value
next computed after such delivery.  Good order means that all relevant documents
must be endorsed by the record owner(s) exactly as the shares are registered and
the  signature(s)  must be  guaranteed  by a member  of  either  the  Securities
Transfer  Association's STAMP program or the New York Stock Exchange's Medallion
Signature  Program,  or certain  banks,  savings and loan  institutions,  credit
unions,  securities  dealers,   securities  exchanges,   clearing  agencies  and
registered securities associations as required by a regulation of the Securities
and Exchange  Commission and acceptable to The Shareholder  Services Group, Inc.
In addition,  in some cases, good order may require the furnishing of additional
documents  such as where  shares are  registered  in the name of a  corporation,
partnership or fiduciary.
    

     Payment  will  normally  be made by check  within  one  business  day after
receipt of the redemption  request and must, in any event,  be made within seven
days of such receipt, unless expedited payment has been authorized and requested
by the shareholder. (See "Redemptions by Wire" below).

   
   * REDEMPTIONS BY WIRE.  Shareholders who have given  authorization in advance
     may request that redemption proceeds of $1,000 or more be wired directly to
     their  bank  account.  This  request  may  generally  be made by  letter or
     telephone  to  the Fund Order  Department  at 800-225-6265,   extension  3.
     However,  shareholders  holding  certificates  for  shares in the Fund must
     return such  certificates in properly  endorsed form requesting  redemption
     prior to being eligible to have redemption proceeds wired directly to their
     bank account.

          To use this service a shareholder  must  designate his or her bank and
     bank  account  number  on the  Account  Application  form  used to open the
     account. The bank designated may be any bank in the United States.

     Proceeds of redemption  requests  received  before noon on any business day
     will be wired that same day, if so requested by the shareholder. Redemption
     requests  received  between  noon and 4:00 p.m. on any business day will be
     processed at 4:00 p.m. and the proceeds  will be wired on the next business
     day. The shareholder may be required to pay any costs of such  transaction;
     however,  no such  costs are  currently  charged.  The Fund will limit this
     method of payment to shares purchased with cash,  Federal Reserve Draft, by
     wire  with  Federal  Funds,  or by other  means  when  payment  for  shares
     purchased  has been  assured.  The Fund  reserves  the right at any time to
     suspend or terminate the expedited  payment  procedure;  however,  the Fund
     would provide  reasonable advance notice (in no event less than 30 days) of
     its intention to suspend or terminate this procedure. The Fund will process
     redemption  instructions  received  by  telephone  if the  shareholder  has
     authorized  telephone  redemptions when completing the Account  Application
     form.  However,  the Fund will not process redemption requests by telephone
     if  share  certificates  have  been  issued  to  such   shareholders.   The
     responsibility for the authenticity of redemption  instructions received by
     telephone is discussed  under "The Eaton Vance  Exchange  Privilege".  (See
     "Valuing Fund Shares".)

   * REPURCHASE  THROUGH  AUTHORIZED  FIRMS.  To sell  shares at their net asset
     value through an Authorized Firm (a repurchase),  a shareholder can place a
     repurchase  order with the Firm,  who may charge a fee.  Net asset value is
     calculated on the day the Authorized Firm places the order with EVD, as the
     Fund's agent,  if the Firm receives the order prior to the close of regular
     trading on the Exchange and  communicates  it to EVD on the same day before
     EVD closes. It is the Authorized Firm's responsibility to promptly transmit
     repurchase orders to EVD.

   * REDEMPTIONS  BY  CHECK.  To sell  shares by  writing a check,  shareholders
     holding  shares for which  certificates  have not been  issued may  appoint
     Boston Safe Deposit and Trust Company  ("Boston  Safe") their agent and may
     request on the Account  Application form that Boston Safe provide them with
     special  forms of checks  drawn on Boston  Safe.  These  checks may be made
     payable by the shareholder to the order of any person in any amount of $500
     or more.  When a check is presented to Boston Safe for payment,  the number
     of full and  fractional  shares  required  to cover the amount of the check
     will be  redeemed  from the  shareholder's  account  by Boston  Safe as the
     shareholder's  agent.  Through this procedure the shareholder will continue
     to be  entitled to  distributions  paid on his or her shares up to the time
     the check is  presented  to Boston Safe for  payment.  If the amount of the
     check is  greater  than the value of the shares  held in the  shareholder's
     account,  for  which the Fund has  collected  payment,  the  check  will be
     returned and the shareholder may be subject to extra charges.

          The shareholder  will be required to execute  signature cards and will
     be subject to Boston Safe's rules and  regulations  governing such checking
     accounts. There is no charge to shareholders for this service. This service
     may be terminated or suspended at any time by the Fund or Boston Safe.

     OTHER REDEMPTION  PROCEDURES.  If shares were recently  purchased by check,
the  proceeds  of  redemption  or  repurchase  will not be sent  until the check
(including a certified or cashier's check) received for the shares purchased has
cleared.  Payment for shares tendered for redemption or repurchase may result in
a delay of more than seven days when the purchase check has not yet cleared, but
the delay (for up to fifteen days from the purchase date) will be no longer than
required  to verify that the  purchase  check has  cleared.  The value of shares
redeemed  or  repurchased  may be more or less  than  their  cost  depending  on
portfolio  performance  during  the  period  they were  owned.  Redemptions  and
repurchases  of shares are taxable  events on which  shareholders  may realize a
gain or a loss.
    

REPORTS TO SHAREHOLDERS
- --------------------------------------------------------------------------------

   
THE  FUND  WILL  ISSUE  TO  ITS  SHAREHOLDERS  SEMI-ANNUAL  AND  ANNUAL  REPORTS
CONTAINING FINANCIAL STATEMENTS. Financial statements included in annual reports
are audited by the Fund's independent accountants. Shortly after the end of each
calendar year, the Fund will furnish all shareholders with information necessary
for preparing Federal and state tax returns.
    

THE LIFETIME INVESTING ACCOUNT/DISTRIBUTION OPTIONS
- --------------------------------------------------------------------------------

AFTER AN INVESTOR MAKES AN INITIAL PURCHASE OF FUND SHARES,  THE FUND'S TRANSFER
AGENT, THE SHAREHOLDER  SERVICES GROUP,  INC., WILL SET UP A LIFETIME  INVESTING
ACCOUNT  FOR THE  INVESTOR  ON THE FUND'S  RECORDS.  This  account is a complete
record of all transactions  between the investor and the Fund which at all times
shows the balance of shares  owned.  The Fund will not issue share  certificates
except upon request. However, certificates may not be issued to shareholders who
have  authorized  redemption by telephone or who have  requested  redemptions by
check.
   
     Each  time a  transaction  takes  place  in a  shareholder's  account,  the
shareholder will receive a statement showing complete details of the transaction
and the current share balance in the account.  (Under certain  investment plans,
statements  may be sent only  quarterly).  THE LIFETIME  INVESTING  ACCOUNT ALSO
PERMITS A  SHAREHOLDER  TO MAKE  ADDITIONAL  INVESTMENTS  IN SHARES BY SENDING A
CHECK FOR $50 OR MORE to The Shareholder Services Group, Inc.
    

     Any questions concerning a shareholder's  account or services available may
be directed by telephone to EATON VANCE  SHAREHOLDER  SERVICES at  800-225-6265,
extension 2, or in writing to The Shareholder Services Group, Inc., BOS725, P.O.
Box 1559, Boston, MA 02104 (please provide the name of the shareholder, the Fund
and the account number).

     THE  FOLLOWING  DISTRIBUTION  OPTIONS  WILL BE  AVAILABLE  TO ALL  LIFETIME
INVESTING  ACCOUNTS and may be changed as often as desired by written  notice to
the Fund's dividend  disbursing  agent,  The Shareholder  Services Group,  Inc.,
BOS725,  P.O. Box 1559,  Boston,  MA 02104. The currently  effective option will
appear on each confirmation statement.

     Share  Option  --  Dividends  and  capital  gains  will  be  reinvested  in
     additional shares.

     Income Option -- Dividends  will be paid in cash, and capital gains will be
     reinvested in additional shares.

     Cash Option -- Dividends and capital gains will be paid in cash.

   
     The  Share  Option  will be  assigned  if no  other  option  is  specified.
Distributions,  including those  reinvested,  will be reduced by any withholding
required under Federal income tax laws.
    

     If the Income  Option or Cash  Option has been  selected,  dividend  and/or
capital gains distribution checks which are returned by the United States Postal
Service as not  deliverable or which remain uncashed for six months or more will
be reinvested  in the account at the then current net asset value.  Furthermore,
the  distribution  option on the account  will be  automatically  changed to the
Share Option until such time as the shareholder selects a different option.

   
"STREET  NAME"  ACCOUNTS.  If  shares  of the Fund are held in a  "street  name"
account with an Authorized Firm, all recordkeeping,  transaction  processing and
payments of  distributions  relating to the beneficial  owner's  account will be
performed by the Authorized  Firm,  and not by the Fund and its Transfer  Agent.
Since the Fund will have no record of the  beneficial  owner's  transactions,  a
beneficial  owner should  contact the  Authorized  Firm to  purchase,  redeem or
exchange shares, to make changes in or give instructions concerning the account,
or to obtain information about the account.  The transfer of shares in a "street
name" account to an account with another  dealer or to an account  directly with
the Fund involves  special  procedures and will require the beneficial  owner to
obtain historical purchase  information about the shares in the account from the
Authorized Firm. Before  establishing a "street name" account with an investment
firm,  or  transferring  the  account to another  investment  firm,  an investor
wishing to reinvest  distributions  should determine whether the firm which will
hold the shares allows reinvestment of distributions in "street name" accounts.

      ------------------------------------------------------------------
      UNDER  A  LIFETIME   INVESTING  ACCOUNT  A  SHAREHOLDER  CAN  MAKE
      ADDITIONAL  INVESTMENTS  IN SHARES  BY  SENDING A CHECK FOR $50 OR
      MORE.
      ------------------------------------------------------------------

THE EATON VANCE EXCHANGE PRIVILEGE
- --------------------------------------------------------------------------------

Shares of the Fund  currently  may be  exchanged  for shares of Eaton Vance Cash
Management  Fund on the basis of the net  asset  value per share of each fund at
the time of the exchange, provided that such exchange offer is available only in
states where shares of Eaton Vance Cash Management Fund may be legally sold.

     An exchange must involve shares with an aggregate net asset value of $5,000
or more. The exchange privilege may be changed or discontinued  without penalty.
Shareholders  will be given sixty (60) days' notice prior to any  termination or
material  amendment  of the  exchange  privilege.  The Fund does not  permit the
exchange privilege to be used for "Market Timing" and may terminate the exchange
privilege for any  shareholder  account engaged in Market Timing  activity.  Any
shareholder account for which more than two round-trip exchanges are made within
any  twelve  month  period  will be  deemed  to be  engaged  in  Market  Timing.
Furthermore,  a group of  unrelated  accounts  for which  exchanges  are entered
contemporaneously  by a financial  imtermediary will be considered to be engaged
in Market Timing.

     The Shareholder Services Group, Inc. makes exchanges at the next determined
net asset value after  receiving an exchange  request in good order (see "How to
Redeem  Fund  Shares").   Consult  The  Shareholder  Services  Group,  Inc.  for
additional  information  concerning the exchange  privilege.  The prospectus for
Eaton  Vance  Cash  Management  Fund  describes  its  investment  objective  and
policies, and shareholders should obtain a prospectus and consider the objective
and policies  carefully  before  requesting  an exchange.  The  application  and
prospectus for Eaton Vance Cash  Management  Fund is available  from  Authorized
Firms or the Principal Underwriter.

     Telephone  exchanges are accepted by The Shareholder  Services Group,  Inc.
provided  that  the  investor  has  not  disclaimed  in  writing  the use of the
privilege.  To effect such exchanges,  call The Shareholder Services Group, Inc.
at 800-262-1122 or, within Massachusetts,  617-573-9403,  Monday through Friday,
9:00 a.m. to 4:00 p.m.  (Eastern  Standard  Time).  Shares acquired by telephone
exchange must be registered in the same name(s) and with the same address as are
registered  with  Eaton  Vance  Cash  Management  Fund.  Neither  the Fund,  the
Principal   Underwriter  nor  The  Shareholder  Services  Group,  Inc.  will  be
responsible for the authenticity of exchange instructions received by telephone,
provided that reasonable  procedures to confirm that  instructions  communicated
are genuine have been followed. Telephone instructions will be tape recorded. In
times of  drastic  economic  or market  changes,  a  telephone  exchange  may be
difficult to implement. An exchange may result in a taxable gain or loss.
    

EATON VANCE SHAREHOLDER SERVICES
- --------------------------------------------------------------------------------

THE FUND OFFERS THE FOLLOWING  SERVICES,  WHICH ARE VOLUNTARY,  INVOLVE NO EXTRA
CHARGE,  AND MAY BE CHANGED OR  DISCONTINUED  WITHOUT  PENALTY AT ANY TIME. Full
information on each of the services  described below and an  application,  where
required, are available from Authorized Firms or the Principal Underwriter.  The
cost  of  administering  such  services  for the  benefit  of  shareholders  who
participate in them is borne by the Fund as an expense to all shareholders.

   
INVEST-BY-MAIL  -- FOR  PERIODIC  SHARE  ACCUMULATION:  Once the $5,000  minimum
investment  has been made,  checks of $50 or more  payable to the order of Eaton
Vance  Short-Term  Treasury  Fund  may be  mailed  directly  to The  Shareholder
Services Group,  Inc.,  BOS725,  P.O. Box 1559,  Boston, MA 02104 at any time --
whether or not  distributions are reinvested.  The name of the shareholder,  the
Fund and the account number should accompany each investment.
    

TAX-SHELTERED RETIREMENT PLANS: Shares of the Fund are available for purchase
in connection with the following tax-sheltered retirement plans:

   
   -- Pension  and  Profit   Sharing   Plans  for   self-employed   individuals,
      corporations and non-profit organizations;

   -- Individual  Retirement  Account  Plans  for  individuals  and  their  non-
      employed spouses; and

   -- 403(b) Retirement Plans for employees of public school systems, hospitals,
      colleges and other non-profit  organizations  meeting certain requirements
      of the Internal Revenue Code of 1986, as amended (the "Code").

     Detailed information  concerning these plans,  including certain exceptions
to minimum investment  requirements,  and copies of the plans are available from
the  Principal  Underwriter.  This  information  should  be read  carefully  and
consultation  with an attorney or tax adviser may be advisable.  The information
sets forth the  service  fee  charged for  retirement  plans and  describes  the
Federal income tax  consequences  of establishing a plan.  Under all plans,  all
distributions will be automatically reinvested in additional shares.
    

DISTRIBUTIONS AND TAXES
- --------------------------------------------------------------------------------

   
The Fund has elected to be  treated,  has  qualified  and intends to continue to
qualify each year as a regulated investment company under the Code. Accordingly,
the Fund  intends to satisfy  certain  requirements  relating  to sources of its
income and  diversification  of its assets and to distribute a sufficient amount
of its investment company taxable income so as to effect such qualification. The
Fund may also distribute  part or all of its net investment  income and realized
capital gains in accordance with the timing requirements imposed by the Code, so
as to reduce or avoid Federal income or excise tax to the Fund.

     The  Fund  distributes  its net  investment  income  and  capital  gains to
shareholders  as  dividends  annually  to the  extent  required  for the Fund to
qualify as a regulated  investment company under the Code and generally to avoid
Federal income or excise tax to the Fund. Under current law, the Fund intends on
its tax return to treat as a distribution  of investment  company taxable income
and net  capital  gain the  portion of  redemption  proceeds  paid to  redeeming
shareholders that represents the redeeming  shareholders'  portion of the Fund's
undistributed  investment  company  taxable  income and net capital  gain.  This
practice,  which  involves  the use of  equalization  accounting,  will have the
effect of  reducing  the amount of income and gains that the Fund is required to
distribute as dividends to  shareholders  in order for the Fund to avoid Federal
income  tax and  excise  tax.  This  practice  may also  reduce  the  amount  of
distributions  required to be made to  nonredeeming  shareholders  and defer the
recognition of taxable income by such shareholders. However, since the amount of
any  undistributed  income will be reflected in the value of the Fund's  shares,
the total return on a  shareholder's  investment will not be reduced as a result
of the Fund's distribution policy.  Investors who purchase shares shortly before
the  record  date of a  distribution  will pay the full price for the shares and
then receive some portion of the price back as a taxable distribution.

     Distributions of taxable net investment  income are taxable to shareholders
as  ordinary  income,  whether  paid in cash or  additional  shares of the Fund.
Capital gains, if any,  realized by the Fund on sales of investments  during the
Fund's  taxable  year,  which ends on December 31, will be offset by any capital
loss carryovers and will usually be distributed  after the close of such taxable
year,  in  compliance   with  the   distribution   requirements   of  the  Code.
Distributions  from net long-term  capital gains included therein are taxable to
shareholders as such, whether paid in cash or reinvested in additional shares of
the Fund and regardless of the length of time Fund shares have been owned by the
shareholder.  Distributions  from net short-term  capital gains included therein
are  taxable  to  shareholders  as  ordinary  income,  whether  paid  in cash or
reinvested in additional shares of the Fund. Certain  distributions  declared by
the Fund in October, November or December and paid the following January will be
taxable to  shareholders as if received on December 31 of the year in which they
are declared. Shareholders should consult their own tax advisors with respect to
special  tax rules,  such as Section  1258 of the Code,  that may apply in their
particular situations.

     Shareholders  will receive annually tax information  notices and Forms 1099
to assist in the  preparation  of their  Federal  and state tax  returns for the
prior calendar year's distributions, proceeds from the redemption or exchange of
Fund shares,  and Federal  income tax (if any)  withheld by the Fund's  Transfer
Agent.

     As a regulated  investment  company  under the Code,  the Fund does not pay
Federal income or excise taxes to the extent that it distributes to shareholders
its net investment  income and net realized capital gains in accordance with the
timing requirements imposed by the Code. For the taxable year ended December 31,
1994,  the Fund did not incur any Federal income or excise taxes although it may
incur such taxes in the future if management  determines  that retention of some
income  or gains is  appropriate.  Under  current  law,  provided  that the Fund
qualifies as a regulated investment company for Federal income tax purposes, the
Fund is not liable for any  income,  corporate  excise or  franchise  tax in the
Commonwealth  of  Massachusetts.  The Fund  incurred no state tax  liability  in
respect of its taxable year ended December 31, 1994.

STATE, LOCAL AND FOREIGN TAXES
     Distributions of the Fund which are derived from interest on obligations of
the U.S.  Government will be exempt from personal and/or  corporate income taxes
in most  states.  The Fund will inform  shareholders  of the  proportion  of its
distributions which are derived from interest on such obligations.  Shareholders
are urged to consult their tax advisers  regarding the proper  treatment of such
portion of their  distributions for state and local income tax purposes and with
respect to the state,  local or foreign tax  consequences  of  investing  in the
Fund.
    

PERFORMANCE INFORMATION
- --------------------------------------------------------------------------------

   
FROM TIME TO TIME,  THE FUND MAY ADVERTISE ITS YIELD AND/OR AVERAGE ANNUAL TOTAL
RETURN.  The Fund's  current yield is calculated by dividing the net  investment
income per share during a recent 30-day period by the maximum offering price per
share  (net  asset  value)  of the  Fund  on the  last  day  of the  period  and
annualizing the resulting figure.  Yield should not be considered the equivalent
of dividends.  The Fund's average annual total return is determined by computing
the average annual  percentage change in value of $1,000 invested at the maximum
public  offering  price (net asset value) for specified  periods ending with the
most recent calendar quarter,  assuming  reinvestment of all distributions.  The
average  annual total return  calculation  assumes a complete  redemption of the
investment. The Fund may also publish annual and cumulative total return figures
from time to time.

     Investors  should  note  that  the  investment  results  of the  Fund  will
fluctuate over time, and any  presentation  of the Fund's current yield or total
return for any prior period should not be considered as a representation of what
an  investment  may earn or what the Fund's  yield or total return may be in any
future  period.  If the  expenses  related  to the  operation  of the  Fund  are
allocated to Eaton Vance, the Fund's performance will be higher.
    
<PAGE>


INVESTMENT ADVISER
Eaton Vance Management
24 Federal Street
Boston, MA 02110


PRINCIPAL UNDERWRITER
Eaton Vance Distributors, Inc.
24 Federal Street
Boston, MA 02110
(800) 225-6265

CUSTODIAN
Investors Bank & Trust Company
24 Federal Street
Boston, MA 02110

TRANSFER AGENT
The Shareholder Services Group, Inc.
BOS725
P.O. Box 1559
Boston, MA 02104
(800) 262-1122

INDEPENDENT ACCOUNTANTS
Coopers & Lybrand L.L.P.
One Post Office Square
Boston, MA 02109

EATON VANCE SHORT-TERM TREASURY FUND
24 FEDERAL STREET
BOSTON, MA 02110                 TYP



                              EATON VANCE
                               SHORT-TERM
                             TREASURY FUND

                               PROSPECTUS

                              MAY 1, 1995


<PAGE>

                                             STATEMENT OF
                                             ADDITIONAL INFORMATION
                                             May 1, 1995

   
                     EATON VANCE SHORT-TERM TREASURY FUND
                              24 Federal Street
                         Boston, Massachusetts 02110
                                (800) 225-6265
- --------------------------------------------------------------------------------

TABLE OF CONTENTS                                                      Page
Investment Objective and Policies ............................            2
Investment Restrictions ......................................            2
Trustees and Officers ........................................            3
Control Persons and Principal Holders of Securities ..........            6
Investment Adviser ...........................................            6
Custodian ....................................................            8
Independent Accountants ......................................            8
Determination of Net Asset Value .............................            9
Investment Performance .......................................            9
Taxes ........................................................           10
Principal Underwriter ........................................           12
Distribution Plan ............................................           12
Portfolio Security Transactions ..............................           13
Other Information ............................................           15
Financial Statements .........................................           16
- --------------------------------------------------------------------------------
    

     THIS  STATEMENT  OF  ADDITIONAL  INFORMATION  IS  NOT A  PROSPECTUS  AND IS
AUTHORIZED  FOR  DISTRIBUTION  TO  PROSPECTIVE  INVESTORS  ONLY IF  PRECEDED  OR
ACCOMPANIED  BY THE  PROSPECTUS  OF EATON VANCE  SHORT-TERM  TREASURY  FUND (THE
"FUND") DATED MAY 1, 1995, AS SUPPLEMENTED  FROM TIME TO TIME. THIS STATEMENT OF
ADDITIONAL  INFORMATION  SHOULD BE READ IN CONJUNCTION WITH SUCH  PROSPECTUS,  A
COPY  OF  WHICH  MAY BE  OBTAINED  WITHOUT  CHARGE  BY  CONTACTING  EATON  VANCE
DISTRIBUTORS, INC. (THE "PRINCIPAL UNDERWRITER") (SEE BACK COVER FOR ADDRESS AND
PHONE NUMBER).
<PAGE>

                      INVESTMENT OBJECTIVE AND POLICIES

   
INVESTMENT OBJECTIVE
     The  investment  objective  of Eaton Vance  Short-Term  Treasury  Fund (the
"Fund"), a series of Eaton Vance Government  Obligations Trust (the "Trust"), is
to seek  current  income and  liquidity.  The Fund invests  exclusively  in U.S.
Treasury obligations (bills, notes and bonds) with a remaining maturity of up to
five years and will maintain a dollar weighted average portfolio maturity of not
more than one year. The Fund's investment  objective is a nonfundamental  policy
which may be changed by Trustee vote. The Trustees, however, have indicated that
they  intend to  submit  any  material  change in the  investment  objective  to
shareholders for their approval. The securities in which the Fund may invest are
described in the Prospectus under "How the Fund Invests its Assets."
    

PORTFOLIO TURNOVER
     The Fund cannot accurately  predict its portfolio  turnover rate, but it is
anticipated  that the  annual  turnover  rate  will  generally  not  exceed  25%
(excluding  maturity  of  securities).  The Fund  engages in  portfolio  trading
(including  short-term trading) if it believes that a transaction  including all
costs  will help in  achieving  its  investment  objective  either  directly  by
increasing income or indirectly by enhancing the Fund's net asset value.

                           INVESTMENT RESTRICTIONS

   
     The following investment restrictions have been adopted by the Fund and may
be changed  only by the vote of a  majority  of the  Fund's  outstanding  voting
securities as defined in the Investment Company Act of 1940 (the "1940 Act").
    

     As a matter of fundamental investment policy, the Fund may not:

     (1) With  respect to 75% of its total  assets,  invest  more than 5% of its
total assets in the securities of a single issuer,  or purchase more than 10% of
the outstanding voting securities of a single issuer,  except obligations issued
or guaranteed by the U.S.  Government,  its agencies or  instrumentalitites  and
except securities of other investment companies;

     (2) Borrow  money or issue  senior  securities  except as  permitted by the
Investment Company Act of 1940;

     (3)  Underwrite  or  participate  in the marketing of securities of others,
except insofar as it may technically be deemed to be an underwriter in selling a
portfolio security under circumstances which may require the registration of the
same under the Securities Act of 1933;

     (4)  Purchase  or sell  real  estate,  although  it may  purchase  and sell
securities  which are secured by real estate and  securities of companies  which
invest or deal in real estate;

     (5) Purchase or sell  physical  commodities  or futures  contracts  for the
purchase or sale of physical commodities,  provided that the Fund may enter into
all  types  of  futures  and  forward  contracts  on  currency,  securities  and
securities, economic and other indices and may purchase and sell options on such
futures contracts;

     (6)  Make  loans  to any  person,  except  by (a) the  acquisition  of debt
securities  and making  portfolio  investments,  (b)  entering  into  repurchase
agreements or (c) lending portfolio securities;

     (7) Purchase securities on margin (but the Fund may obtain such short- term
credits  as may be  necessary  for the  clearance  of  purchases  and  sales  of
securities).  The  deposit  or payment by the Fund of  initial,  maintenance  or
variation  margin in connection  with all types of options and futures  contract
transactions is not considered the purchase of a security on margin; or

     (8) Invest 25% or more of its total assets in any single industry (provided
there is no limitation  with respect to obligations  issued or guaranteed by the
U.S. Government or any of its agencies or instrumentalities).
<PAGE>

   
     Notwithstanding  the investment  policies and restrictions of the Fund, the
Fund may invest its assets in an open-end  management  investment  company  with
substantially  the same investment  objective,  policies and restrictions as the
Fund.
    

     The Fund has adopted the following nonfundamental investment policies which
may be changed  by the  Trustees  of the Trust  without  approval  by the Fund's
shareholders. As a matter of nonfundamental policy, the Fund may not: (a) invest
more than 15% of its net assets  (taken at current  value) in the  aggregate  in
securities  for  which  there is no  readily  available  market  and  repurchase
agreements which have a maturity longer than seven days; (b) invest more than 5%
of its total assets (taken at current value) in the securities of issuers which,
including their predecessors,  have been in operation for less than three years;
(c) purchase put or call options on  securities if after such purchase more than
5% of its net assets, as measured by the aggregate of the premiums paid for such
options,  would be invested in such options;  (d) purchase warrants with a value
in excess of 5% of net assets,  or warrants which are not listed on the New York
or  American  Stock  Exchange  with a value in  excess of 2% of the  Fund's  net
assets; (e) make short sales of securities or maintain a short position,  unless
at all times when a short position is open the Fund owns an equal amount of such
securities or securities  convertible into or  exchangeable,  without payment of
any further  consideration,  for  securities  of the same issue as, and equal in
amount to, the securities sold short, and unless not more than 25% of the Fund's
net assets (taken at current  value) is held as collateral for such sales at any
time.  (The  Fund  will  make  such  sales  only for the  purpose  of  deferring
realization of gain or loss for Federal  income tax  purposes);  (f) purchase or
retain  in its  portfolio  any  securities  issued  by an  issuer  any of  whose
officers, directors, trustees or security holder is an officer or Trustee of the
Trust or is a member, officer,  director or trustee of any investment adviser of
the Fund, if after the purchase of the securities of such issuer by the Fund one
or more of such  persons owns  benefically  more than 1/2 of 1% of the shares of
securities  or both (all taken at market  value) of such issuer and such persons
owning more than 1/2 of 1% of such shares or securities together own benefically
more than 5% of such shares or securities  or both (all taken at market  value);
or (g)  purchase  oil,  gas or other  mineral  leases  or  purchase  partnership
interests in oil, gas or other mineral exploration or development programs.

   
     The Fund  has no  current  intention  during  the  coming  year of  lending
portfolio securities,  entering into futures or options contracts,  investing in
other  investment  companies  or  engaging  in  short  sales.  The  Fund has the
authority, pending the investment of uninvested cash in Treasury obligations, to
invest up to 5% of its  assets in  repurchase  agreements  with  respect to U.S.
Treasury  obligations;  however,  the Fund has no current  intention to exercise
that authority.
    

     In order to permit  the sale of shares of the Fund in certain  states,  the
Fund may make commitments  more  restrictive than the policies  described above.
Should  the Fund  determine  that any such  commitment  is no longer in the best
interests  of the Fund and its  shareholders,  it may revoke the  commitment  by
terminating sales of its shares in the state(s) involved.

                            TRUSTEES AND OFFICERS

   
     The  Trustees  and  officers  of the  Trust  are  listed  below.  Except as
indicated,  each  individual  has held the office shown or other  offices in the
same  company for the last five years.  Unless  otherwise  noted,  the  business
address of each Trustee and officer is 24 Federal Street, Boston,  Massachusetts
02110, which is also the address of the Fund's investment  adviser,  Eaton Vance
Management  ("Eaton  Vance"  or the  "Investment  Adviser");  of  Eaton  Vance's
wholly-owned  subsidiary,  Boston  Management  and  Research  ("BMR");  of Eaton
Vance's  parent,  Eaton  Vance  Corp.  ("EVC");  and of Eaton  Vance's and BMR's
trustee,  Eaton Vance,  Inc.  ("EV").  Eaton Vance and EV are both  wholly-owned
subsidiaries of EVC. Those Trustees who are  "interested  persons" of the Trust,
Eaton  Vance,  BMR,  EVC or EV, as defined  in the 1940 Act,  by virtue of their
affiliation with any one or more of the Trust,  Eaton Vance, BMR, EVC or EV, are
indicated by an asterisk(*).

M. DOZIER GARDNER (61), PRESIDENT AND TRUSTEE*
President and Chief  Executive  Officer of Eaton  Vance,  BMR,  EVC and EV and a
   Director of EVC and EV. Director or Trustee and officer of various investment
   companies managed by Eaton Vance or BMR.
    

DONALD R. DWIGHT (64), TRUSTEE
President of Dwight  Partners,  Inc. (a corporate  relations and  communications
   company) founded in 1988; Chairman of the Board of Newspapers of New England,
   Inc., since 1983. Director or Trustee of various investment companies managed
   by Eaton Vance or BMR.
Address: Clover Mill Lane, Lyme, New Hampshire 03768

   
JAMES B. HAWKES (53), VICE PRESIDENT AND TRUSTEE*
Executive Vice  President of Eaton Vance,  BMR, EVC and EV and a Director of EVC
   and EV.  Director  or Trustee  and  officer of various  investment  companies
   managed by Eaton Vance or BMR.  Mr.  Hawkes was elected  Vice  President  and
   Trustee of the Trust on December 16, 1991.

SAMUEL L. HAYES, III (60), TRUSTEE
Jacob H. Schiff Professor of Investment  Banking,  Harvard  University  Graduate
   School of Business Administration.  Director or Trustee of various investment
   companies managed by Eaton Vance or BMR.
Address: Harvard University Graduate School of Business Administration, Soldiers
   Field Road, Boston, Massachusetts 02163

NORTON H. REAMER (59), TRUSTEE
President and Director,  United Asset Management  Corporation (a holding company
   owning institutional  investment management firms).  Chairman,  President and
   Director,  The Regis Fund, Inc. (mutual fund). Director or Trustee of various
   investment   companies   managed  by  Eaton  Vance  or  BMR.
Address: One International Place, Boston, Massachusetts 02110

JOHN L. THORNDIKE (68), TRUSTEE
Director,  Fiduciary  Company  Incorporated.  Director  or  Trustee  of  various
   investment companies managed by Eaton Vance or BMR.
Address: 175 Federal Street, Boston, Massachusetts 02110
    

JACK L. TREYNOR (65), TRUSTEE
Investment  Adviser and  Consultant.  Director or Trustee of various  investment
   companies managed by Eaton Vance or BMR.
Address: 504 Via Almar, Palos Verdes Estates, California 90274

   
SUSAN SCHIFF (34), VICE PRESIDENT
Vice  President  of Eaton  Vance,  BMR and EV.  Officer  of  various  investment
   companies  managed  by Eaton  Vance  or BMR.  Ms.  Schiff  was  elected  Vice
   President of the Trust on February 24, 1992.

MICHAEL B. TERRY (52), VICE PRESIDENT
Vice  President  of Eaton  Vance,  BMR and EV.  Officer  of  various  investment
   companies managed by Eaton Vance or BMR.

MARK VENEZIA (45), VICE PRESIDENT
Vice  President  of Eaton  Vance,  BMR and EV.  Officer  of  various  investment
   companies managed by Eaton Vance or BMR.

JAMES L. O'CONNOR (49), TREASURER
Vice  President  of Eaton  Vance,  BMR and EV.  Officer  of  various  investment
   companies managed by Eaton Vance or BMR.

THOMAS OTIS (63), SECRETARY
Vice President and Secretary of Eaton Vance, BMR, EVC and EV. Officer of various
   investment companies managed by Eaton Vance or BMR.

JANET E. SANDERS (59), ASSISTANT TREASURER AND ASSISTANT SECRETARY
Vice  President  of Eaton  Vance,  BMR and EV.  Officer  of  various  investment
   companies managed by Eaton Vance or BMR.

JAMES F. ALBAN (33), ASSISTANT TREASURER
Assistant Vice  President of Eaton Vance and EV since January 17, 1992,  and BMR
   since August 11, 1992,  employee of Eaton Vance (since  September  23, 1991).
   Tax Consultant and Audit Senior with Deloitte & Touche  (1987-1991).  Officer
   of various investment  companies managed by Eaton Vance or BMR. Mr. Alban was
   elected Assistant Treasurer of the Trust on December 16, 1991.

JOHN MURPHY (32), ASSISTANT SECRETARY
Assistant  Vice  President  of Eaton  Vance,  EV and BMR  since  March 1,  1994;
   employee of Eaton Vance since March 1993. (State Regulations Supervisor,  The
   Boston Company, 1991-1993 and Registration Specialist,  Fidelity Management &
   Research Co.,  1986-1991.) Officer of various investment companies managed by
   Eaton Vance or BMR. Mr. Murphy was elected  Assistant  Secretary of the Trust
   on March 27, 1995.

     Messrs.  Thorndike (Chairman),  Hayes and Reamer are members of the Special
Committee  of the  Board of  Trustees  of the  Trust.  The  Special  Committee's
functions  include a continuous review of the Trust's  contractual  relationship
with the Investment  Adviser,  making  recommendations to the Trustees regarding
the  compensation  of those  Trustees  who are not  members  of the Eaton  Vance
organization, and making recommendations to the Trustees regarding candidates to
fill  vacancies,  as and when they occur, in the ranks of those Trustees who are
not "interested persons" of the Trust or the Eaton Vance organization.

     Messrs. Treynor (Chairman) and Dwight are members of the Audit Committee of
the Board of  Trustees of the Trust.  The Audit  Committee's  functions  include
making  recommendations  to the Board regarding the selection of the independent
accountants,  and reviewing with such accountants and the Treasurer of the Trust
matters relative to accounting and auditing practices and procedures, accounting
records,  internal  accounting  controls,  and the  functions  performed  by the
custodian, transfer agent and dividend disbursing agent of the Trust.

     The fees and expenses of those Trustees of the Trust who are not members of
the Eaton Vance organization (the  noninterested  Trustees) are paid by the Fund
(and the other series of the Trust).  (The Trustees of the Trust who are members
of the Eaton Vance  organization  receive no compensation from the Fund.) During
the fiscal year ended December 31, 1994, the noninterested Trustees of the Trust
earned the following compensation in their capacities as Trustees from the Trust
and the other funds in the Eaton Vance fund complex (1):
    

                          AGGREGATE           RETIREMENT      TOTAL COMPENSATION
                        COMPENSATION        BENEFIT ACCRUED     FROM TRUST AND
NAME                     FROM FUND        FROM FUND COMPLEX      FUND COMPLEX
- ---                     ------------      -----------------   ------------------
Donald R. Dwight ....      $68(2)             $8,750                $135,000
Samuel L. Hayes, III        65(3)              8,865                 142,500
Norton H. Reamer ....       63                 --0--                 135,000
John L. Thorndike ...       64                 --0--                 140,000
Jack L. Treynor .....       68                 --0--                 140,000

   
- ---------
(1) The Eaton Vance fund complex consists of 201 registered investment companies
    or series thereof.
(2) Includes $3 of deferred compensation.
(3) Includes $3 of deferred compensation.

     Trustees of the Trust who are not affiliated  with the  Investment  Adviser
may  elect to defer  receipt  of all or a  percentage  of their  annual  fees in
accordance with the terms of a Trustees Deferred Compensation Plan (the "Plan").
Under the Plan, an eligible Trustee may elect to have his deferred fees invested
by the Trust in the  shares of one or more  funds in the Eaton  Vance  Family of
Funds,  and the amount paid to the  Trustees  under the Plan will be  determined
based upon the  performance of such  investments.  Deferral of Trustees' fees in
accordance  with the Plan will have a  negligible  effect on the Fund's  assets,
liabilities, and net income per share, and will not obligate the Trust to retain
the services of any Trustee or obligate the Trust to pay any particular level of
compensation to the Trustee.
    

             CONTROL PERSONS AND PRINCIPAL HOLDERS OF SECURITIES

   
     As of March 31, 1995,  the Trustees and officers of the Trust,  as a group,
owned in the aggregate less than 1% of the outstanding shares of the Fund. As of
March 31, 1995, Eaton Vance owned 56.99% of the outstanding  shares of the Fund;
Eaton Vance is a Massachusetts  business trust and a wholly-owned  subsidiary of
EVC. In addition,  as of March 31, 1995,  Jupiter & Co.,  c/o  Investors  Bank &
Trust Co.,  Boston,  MA owned  beneficially  and of record  12.94% of the Fund's
outstanding shares.To the Trust's knowledge,  no other person owned of record or
beneficially 5% or more of the Fund's outstanding shares as of such date.
    

                              INVESTMENT ADVISER

   
     The Fund  engages  Eaton  Vance as its  investment  adviser  pursuant to an
Investment  Advisory  Agreement  dated  February  4,  1991.  Eaton  Vance or its
affiliates  act as  investment  adviser  to  investment  companies  and  various
individual and  institutional  clients with combined assets under  management of
approximately  $15 billion.  Eaton Vance is a wholly-owned  subsidiary of EVC, a
publicly held holding company.
    

     Eaton  Vance,  its  affiliates  and its  predecessor  companies  have  been
managing  assets  of  individuals  and  institutions  since  1924  and  managing
investment  companies  since 1931.  It  maintains  a large staff of  experienced
fixed-income  and equity  investment  professionals  to service the needs of its
clients.  The fixed-income  division focuses on all kinds of taxable investment-
grade and  high-yield  securities,  tax-exempt  investment-grade  and high-yield
securities,  and U.S. Government  securities.  The equity division covers stocks
ranging from blue chip to emerging growth companies.

   
     Eaton Vance manages the  investments and affairs of the Fund subject to the
supervision of the Trust's Board of Trustees.  Eaton Vance furnishes to the Fund
investment  advice  and  assistance,   administrative  services,  office  space,
equipment and personnel, and has arranged for certain members of the Eaton Vance
organization to serve without salary as officers or Trustees of the Trust.

     The Fund pays Eaton Vance as  compensation  under the  Investment  Advisory
Agreement a monthly fee equal to the  aggregate of (a) a daily  asset-based  fee
computed by applying  the annual  asset rate  applicable  to that portion of the
total daily net assets in each  Category as  indicated  below,  plus (b) a daily
income-based  fee computed by applying the daily income rate  applicable to that
portion of the total  daily  gross  income  (which  portion  shall bear the same
relationship  to the total daily gross income on such day as that portion of the
total daily net assets in the same Category  bears to the total daily net assets
on such day) in each Category as indicated  below: 

                                                           ANNUAL       DAILY 
   CATEGORY      DAILY NET ASSETS                        ASSET RATE  INCOME RATE
      1          up to $20 million ....................    0.150%       1.50%
      2          $20 million but less than $40 million     0.200%       2.00%
      3          $40 million but less than $500 million    0.250%       2.50%
      4          $500 million but less than $1 billion     0.225%       2.25%
      5          $1 billion but less than $1.5 billion     0.200%       2.00%
      6          $1.5 billion but less than $2 billion     0.190%       1.90%
      7          $2 billion but less than $3 billion ..    0.180%       1.80%
      8          $3 billion and over ..................    0.170%       1.70%

     As at December 31,  1994,  the Fund had net assets of  $1,175,453.  For the
fiscal year ended December 31, 1994, Eaton Vance would have earned, absent a fee
reduction,  advisory fees of $42,301  (equivalent to 0.22% of the Fund's average
daily net assets for such year).  To enhance  the net income of the Fund,  Eaton
Vance made a reduction of its fee in the full amount and was allocated a portion
of the Fund's operating  expenses in the amount of $31,702.  For the fiscal year
ended December 31, 1993, Eaton Vance would have earned,  absent a fee reduction,
advisory fees of $198,724  (equivalent  to 0.27% of the Fund's average daily net
assets for such year). To enhance the net income of the Fund, Eaton Vance made a
reduction  of its fee in the  amount  of  $73,896.  For the  fiscal  year  ended
December  31,  1992,  Eaton Vance  would have  earned,  absent a fee  reduction,
advisory fees of $773,484  (equivalent  to 0.33% of the Fund's average daily net
assets for such year). To enhance the net income of the Fund, Eaton Vance made a
reduction of its fee in the amount of $232,707.

     A commitment has been made to a state securities authority that Eaton Vance
will take certain  actions,  if necessary,  so that the Fund's expenses will not
exceed  expense  limitation  requirements  of such state.  The commitment may be
amended or rescinded  by Eaton Vance in response to changes in the  requirements
of the state or for other reasons.
    

     The  Investment  Advisory  Agreement  with  Eaton  Vance  remains in effect
through and  including  February  28,  1996.  It may be  continued  indefinitely
thereafter so long as such  continuance  after  February 28, 1996 is approved at
least  annually  (i) by the  vote  of a  majority  of the  Trustees  who are not
interested  persons  of the Trust or of Eaton  Vance  cast in person at  meeting
specifically  called for the purpose of voting on such  approval and (ii) by the
Board of  Trustees  of the  Trust or by vote of a  majority  of the  outstanding
voting  securities  of the Fund.  The  Agreement  may be  terminated at any time
without  penalty on sixty (60) days' written  notice by the Board of Trustees of
either party, or by vote of the majority of the outstanding voting securities of
the Fund,  and the Agreement will  terminate  automatically  in the event of its
assignment.  The  Agreement  provides  that Eaton  Vance may render  services to
others  and  may  permit   other  fund  clients  and  other   corporations   and
organizations  to use the words "Eaton Vance" in their names. The Agreement also
provides  that,  in  the  absence  of  willful  misfeasance,  bad  faith,  gross
negligence or reckless disregard of obligations or duties under the Agreement on
the part of Eaton  Vance,  Eaton Vance shall not be liable to the Fund or to any
shareholder for any act or omission in the course of or connected with rendering
services or for any losses  sustained  in the  purchase,  holding or sale of any
security.  The Agreement was last approved by the Board of Trustees at a meeting
held on February  21,  1995,  and by the sole  initial  shareholder  of the Fund
(Eaton Vance) on January 10, 1991.

     The Fund  will be  responsible  for all costs and  expenses  not  expressly
stated to be payable by Eaton Vance under the Investment  Advisory  Agreement or
by Eaton Vance  Distributors,  Inc.  under its  Distribution  Agreement with the
Fund.  Such  costs  and  expenses  to be  borne  by the  Fund  include,  without
limitation,  the fees and expenses of the Fund's  custodian and transfer  agent,
including  those incurred for determining the Fund's net asset value and keeping
the Fund's books; expenses of pricing and valuation services;  the cost of share
certificates;  membership dues in investment  company  organizations;  brokerage
commissions and fees;  fees and expenses of registering its shares;  expenses of
reports to shareholders,  proxy statements,  and other expenses of shareholders'
meetings; insurance premiums; printing and mailing expenses; interest, taxes and
corporate  fees;  legal and accounting  expenses;  compensation  and expenses of
Trustees not affiliated with Eaton Vance; and investment advisory fees. The Fund
will also bear expenses incurred in connection with litigation in which the Fund
is a party and the legal  obligation  the Fund may have to indemnify the Trust's
officers and Trustees with respect thereto.

   
     Eaton  Vance and EV are both  wholly-owned  subsidiaries  of EVC.  BMR is a
wholly-owned   subsidiary  of  Eaton  Vance.   Eaton  Vance  and  BMR  are  both
Massachusetts business trusts, and EV is the trustee of Eaton Vance and BMR. The
Directors  of EV are Landon T. Clay,  H. Day  Brigham,  Jr., M. Dozier  Gardner,
James B. Hawkes,  and Benjamin A.  Rowland,  Jr. The Directors of EVC consist of
the same  persons  and John G. L.  Cabot  and  Ralph Z.  Sorenson.  Mr.  Clay is
chairman and Mr. Gardner is president and chief executive  officer of EVC, Eaton
Vance,  BMR and EV. All of the issued and outstanding  shares of Eaton Vance and
EV are owned by EVC. All of the issued and  outstanding  shares of BMR are owned
by Eaton Vance.  All shares of the  outstanding  Voting  Common Stock of EVC are
deposited  in a Voting  Trust which  expires on December  31,  1996,  the Voting
Trustees of which are Messrs.  Clay, Brigham,  Gardner,  Hawkes and Rowland. The
Voting Trustees have unrestricted voting rights for the election of Directors of
EVC. All of the outstanding voting trust receipts issued under said Voting Trust
are  owned  by  certain  of the  officers  of Eaton  Vance  and BMR who are also
officers  and  Directors  of EVC and EV. As of March  31,  1995,  Messrs.  Clay,
Gardner  and Hawkes each owned 24% of such voting  trust  receipts,  and Messrs.
Rowland  and  Brigham  owned 15% and 13%,  respectively,  of such  voting  trust
receipts.  Messrs.  Hawkes, Gardner and Otis who are officers or Trustees of the
Trust,  are also  members of the EVC,  Eaton  Vance,  BMR and EV  organizations.
Messrs.  Alban,  O'Connor,  Murphy,  Terry and  Venezia  and Ms.  Schiff and Ms.
Sanders are officers of the Trust and are also  members of the Eaton Vance,  BMR
and EV  organizations.  Eaton  Vance  will  receive  the  fees  paid  under  the
Investment Advisory Agreement.

     Eaton Vance owns all of the stock of Energex Corporation,  which is engaged
in oil and gas operations.  EVC owns all of the stock of Marblehead Energy Corp.
(which is engaged in oil and gas operations) and 77.3% of the stock of Investors
Bank & Trust Company,  custodian of the Fund, which provides custodial,  trustee
and other  fiduciary  services to  investors,  including  individuals,  employee
benefit  plans,  corporations,  investment  companies,  savings  banks and other
institutions.  In  addition,  Eaton  Vance  owns all of the  stock of  Northeast
Properties,  Inc.,  which is engaged in real estate  investment,  consulting and
management.  EVC owns all of the stock of Fulcrum  Management,  Inc. and MinVen,
Inc.,  which are engaged in the development of precious metal  properties.  EVC,
Eaton Vance, BMR and EV may also enter into other businesses.
    

     EVC and its  affiliates  and their officers and employees from time to time
have transactions with various banks, including the Fund's custodian,  Investors
Bank & Trust Company.  It is Eaton Vance's opinion that the terms and conditions
of such  transactions  were  not and  will  not be  influenced  by  existing  or
potential custodial or other relationships between the Fund and such banks.

                                  CUSTODIAN

   
     Investors  Bank  &  Trust  Company  ("IBT"),  24  Federal  Street,  Boston,
Massachusetts  (a 77.3% owned subsidiary of EVC) acts as custodian for the Fund.
IBT has the custody of all cash and securities of the Fund, maintains the Fund's
general  ledger,  and  computes  the daily per  share net asset  value.  In such
capacity  it  attends  to  details  in  connection  with  the  sale,   exchange,
substitution,  transfer or other dealings with the Fund's investments,  receives
and  disburses  all funds and performs  various  other  ministerial  duties upon
receipt  of  proper  instructions  from the Fund.  IBT  charges  fees  which are
competitive  within  the  industry.  A portion of the fee  relates  to  custody,
bookkeeping and valuation  services and is based upon a percentage of the Fund's
net assets and a portion of the fee relates to activity  charges,  primarily the
number of  portfolio  transactions.  These fees are then reduced by a credit for
cash balances of the particular investment company at the custodian equal to 75%
of the  91-day,  U.S.  Treasury  Bill  auction  rate  applied to the  particular
investment  company's average daily collected  balances for the week. In view of
the ownership of EVC in IBT, the Fund is treated as a self-custodian pursuant to
Rule  17f-2  under  the 1940  Act,  and the  Fund's  investments  held by IBT as
custodian are thus subject to additional  examinations by the Fund's independent
accountants  as called for by such Rule.  During the fiscal year ended  December
31, 1994, the Fund paid IBT $19,248.
    

                           INDEPENDENT ACCOUNTANTS

   
     Coopers & Lybrand L.L.P., One Post Office Square, Boston, Massachusetts are
the  Fund's  independent  accountants,  providing  audit  services,  tax  return
preparation,  and assistance and consultation with respect to the preparation of
filings with the Securities and Exchange Commission ("SEC").
    

                       DETERMINATION OF NET ASSET VALUE

   
     The Fund's net asset value is determined by the Fund's  custodian (as agent
for the Fund) in the manner  described under "Valuing Fund Shares" in the Fund's
current prospectus.  The Fund will be closed for business and will not price its
shares on the following business holidays: New Year's Day, Presidents' Day, Good
Friday (a New York Stock  Exchange  holiday),  Memorial Day,  Independence  Day,
Labor Day, Thanksgiving Day and Christmas Day.
    

                            INVESTMENT PERFORMANCE

   
     The Fund's  average  annual total return is  determined  by  multiplying  a
hypothetical  initial  purchase order of $1,000 by the average  annual  compound
rate of return (including capital  appreciation/depreciation,  and dividends and
distributions  paid and  reinvested)  for the stated period and  annualizing the
result.  The  calculation  assumes  that all  dividends  and  distributions  are
reinvested at net asset value on the reinvestment dates during the period, and a
complete redemption of the investment at the end of the period.

     The Fund's yield is computed pursuant to a standardized formula by dividing
its net investment  income per share earned during a recent thirty-day period by
the net asset value per share on the last day of the period and  annualizing the
resulting figure.  Net investment income per share is calculated from the yields
to maturity of all debt  obligations in the Fund's portfolio based on prescribed
methods,  reduced by accrued Fund  expenses for the period,  with the  resulting
number being divided by the average daily number of Fund shares  outstanding and
entitled to receive dividends during the period. For the thirty-day period ended
December 31, 1994, the yield of the Fund was 2.22%. If a portion of the expenses
related to the  operation of the Fund had not been  allocated to the  Investment
Adviser, the Fund would have had a lower yield.

     The  table  below  indicates  the  total  return   (capital   changes  plus
reinvestment of all distributions) on a hypothetical investment of $1,000 in the
Fund covering the period from the date of the initial public offering,  February
4, 1991, to December 31, 1994, and the one-year period ended December 31, 1994.

                         VALUE OF A $1,000 INVESTMENT

                                         VALUE OF
INVESTMENT     INVESTMENT    AMOUNT OF   INVESTMENT          TOTAL RETURN
  PERIOD          DATE      INVESTMENT   ON 12/31/94    CUMULATIVE   ANNUALIZED
- --------------------------------------------------------------------------------
Life of the
  Fund**        02/04/91*   $1,000.00     $1,146.26       14.63%        3.56%
1 Year Ended
  12/31/94**    12/13/93    $1,000.00     $1,034.90        3.49%        3.49%
<PAGE>

                              PERCENTAGE CHANGES
                    FEBRUARY 4, 1991 -- DECEMBER 31, 1994
                                        NET ASSET VALUE TO
                                       NET ASSET VALUE WITH
                                   ALL DISTRIBUTIONS REINVESTED
  FISCAL              ------------------------------------------------------
  YEAR                                                         AVERAGE
  ENDED                     ANNUAL          CUMULATIVE          ANNUAL
  -----                     ------          ----------          ------
  12/31/91**                  --               4.90%              --
  12/31/92**                3.15%              8.21%            4.22%
  12/31/93**                2.36%             10.76%            3.58%
  12/31/94**                3.49%             14.63%            3.56%
    

     Past performance is not indicative of future results. Investment return and
principal value will fluctuate; shares, when redeemed, may be worth more or less
than  their  original  cost.

   
- ---------
 * Date of the initial public offering (February 4, 1991).
** If a portion of the  expenses  related to the  operation  of the Fund had not
   been  allocated  to the  Investment  Adviser,  the Fund  would have had lower
   returns.
    

     The Fund's  yield and total  return may be compared to the  Consumer  Price
Index and various domestic,  international and global  securities  indices.  The
Fund's yield and total return and comparisons  with these indices may be used in
advertisements   and  in   information   furnished  to  present  or  prospective
shareholders.

     From time to time evaluations of the Fund's performance made by independent
sources,   e.g.  Lipper  Analytical   Services,   Inc.,   CDA/Weisenberger   and
Morningstar, Inc., may be used in advertisements and in information furnished to
present or prospective shareholders.

     Information used in  advertisements  and in materials  furnished to present
and prospective shareholders may include statements or illustrations relating to
the  appropriateness  of types of  securities  and/or  mutual funds which may be
employed to meet specific financial goals, such as (1) funding  retirement,  (2)
paying for children's education,  and (3) financially  supporting aging parents.
These  three  financial  goals  may be  referred  to in such  advertisements  or
materials as the "Triple Squeeze."

   
                                    TAXES
FEDERAL INCOME TAXES
     See "Distribution and Taxes" in the Fund's current Prospectus.

     Each series of the Trust is treated as a separate entity for Federal income
tax purposes. The Fund has elected to be treated, has qualified,  and intends to
continue to qualify each year as a regulated  investment  company  ("RIC") under
the Internal Revenue Code (the "Code").  Accordingly the Fund intends to satisfy
certain  requirements  relating to sources of its income and  diversification of
its assets and to  distribute  a  sufficient  amount of its  investment  company
taxable income so as to effect such qualification.  The Fund may also distribute
part or all of its net  investment  income  and net  realized  capital  gains in
accordance with the timing requirements  imposed by the Code, so as to reduce or
avoid any Federal  income or excise tax to the Fund. The Fund qualified as a RIC
under the Code for its  taxable  year  ended  December  31,  1994 (see  Notes to
Financial Statements).

     In order to avoid Federal excise tax, the Code requires the Fund distribute
(or be deemed to have distributed) by December 31 of each calendar year at least
98% of its ordinary income (not including  tax-exempt  income) for such year, at
least 98% of the excess of its realized  capital gains over its realized capital
losses, generally computed on the basis of the one-year period ending on October
31 of such year,  after reduction by any available  capital loss  carryforwards,
and 100% of any  income or  capital  gains  from the prior  year (as  previously
computed)  that was not paid out during  such year and on which the Fund paid no
Federal  income  tax.  Under  current  law,  provided  the Fund  qualifies  as a
regulated  investment  company for Federal tax purposes,  the Fund is not liable
for any  income,  corporate  excise  or  franchise  tax in the  Commonwealth  of
Massachusetts.

     Distributions of taxable net investment  income and of excess of net short-
term capital gains over net long-term capital losses are taxable to shareholders
as ordinary  income  whether paid in cash or reinvested  in  additional  shares.
Distributions  of the excess of net long-term  capital gains over net short-term
capital losses  (reduced by any capital losses carried forward from prior years)
are taxable to shareholders as long-term capital gains, whether received in cash
or in additional shares and regardless of the length of time their shares of the
Fund have been held.  Distributions  made by the Fund will not  qualify  for the
dividends-received  deduction for corporations subject to applicable limitations
under the Code.

     Under  the Code,  the  redemption  or  exchange  of  shares of a  regulated
investment  company  normally results in capital gain or loss if such shares are
held as  capital  assets.  Section  1258 of the  Code  recharacterizes  all or a
portion of any  capital  gain from the  disposition  or other  termination  of a
position  held  as  part  of a  "conversion  transaction"  as  ordinary  income.
Conversion  transactions include, among other things, certain transactions which
are marketed or sold as producing a capital gain. Investors should consult their
own tax advisers concerning whether Section 1258 may apply to their transactions
in Fund shares.

     Any loss  realized  upon the  redemption  or exchanges of shares with a tax
holding  period of 6 months or less will be treated as a long-term  capital loss
to the extent of any distribution of net long-term capital gains with respect to
such shares. In addition,  a loss realized on a redemption of Fund shares may be
disallowed  under  certain  "wash  sale"  rules if other  shares of the Fund are
required  within a period  beginning 30 days before and ending 30 days after the
date of such redemption. Any disallowed loss will result in an adjustment to the
shareholder's tax basis in some or all of the other shares acquired.

     Amounts paid by the Fund to individuals and certain other  shareholders who
have not provided the Fund with their correct taxpayer identification number and
certain required  certifications,  as well as shareholders  with respect to whom
the Fund has  received  notification  from the  Internal  Revenue  Service  or a
broker,  may be subject to "backup"  withholding  of Federal income tax from the
Fund's dividends and  distributions  and the proceeds of redemptions  (including
repurchases  and  exchanges),  at  a  rate  of  31%.  An  individual's  taxpayer
identification number is generally his or her social security number.
    

     Non-resident  alien individuals and certain foreign  corporations and other
foreign entities  generally will be subject to a U.S.  withholding tax at a rate
of 30% on the Fund's  distributions  from its ordinary  income and the excess of
its net short-term  capital gain over its net long-term capital loss, unless the
tax is reduced or eliminated by an applicable tax treaty. Distributions from the
excess of the Fund's net long-term capital gain over its net short- term capital
loss  received  by such  shareholders  and  any  gain  from  the  sale or  other
disposition of shares of the Fund generally will not be subject to U.S.  Federal
income taxation,  provided that non-resident  alien status has been certified by
the  shareholder.  Different U.S. tax consequences may result if the shareholder
is engaged in a trade or business in the United States, is present in the United
States for a sufficient  period of time during a taxable year to be treated as a
U.S. resident, or fails to provide any required certifications  regarding status
as a non-resident alien investor.  Foreign shareholders should consult their tax
advisers regarding the U.S. and foreign tax consequences of an investment in the
Fund.

     Special tax rules apply to Individual  Retirement  Accounts ("IRAs") and to
other retirement  plans, and persons investing through such plans should consult
their tax advisers for more information. The deductibility of such contributions
may be restricted or eliminated for particular shareholders.

   
     The foregoing  discussion does not address the special tax rules applicable
to certain classes of investors,  such as IRAs and other retirement  plans, tax-
exempt entities,  insurance companies and financial  institutions.  Shareholders
should consult their own tax advisers with respect to special tax rules that may
apply in their particular situations, as well as the state, local or foreign tax
consequences of investing in the Fund.

                            PRINCIPAL UNDERWRITER

     Under  the  Distribution   Agreement  the  Principal  Underwriter  acts  as
principal  in selling  shares of the Fund.  The  expense of  printing  copies of
prospectuses  used to offer shares to  Authorized  Firms or investors  and other
selling literature and of advertising is borne by the Principal Underwriter. The
fees and expenses of qualifying and registering  and maintaining  qualifications
and  registrations of the Fund and its shares under Federal and state securities
laws  are  borne by the  Fund.  In  addition,  the Fund  makes  payments  to the
Principal  Underwriter  pursuant to its  Distribution  Plan as  described in the
Fund's current Prospectus.  The Distribution  Agreement is renewable annually by
the Trust's Board of Trustees  (including a majority of its Trustees who are not
interested  persons  of the Fund and who have no  direct or  indirect  financial
interest in the operation of the Fund's  Distribution  Plan or the  Distribution
Agreement),  may be  terminated on sixty days' notice either by such Trustees or
by vote of a majority of the outstanding voting securities of the Fund or on six
months' notice by the Principal  Underwriter,  and is  automatically  terminated
upon assignment.  The Principal  Underwriter  distributes Fund shares on a "best
efforts"  basis  under which it is required to take and pay for only such shares
as may be sold.
    

                              DISTRIBUTION PLAN

   
     The  Distribution  Plan (the "Plan") is described in the  Prospectus and is
designed  to meet  the  requirements  of Rule  12b-1  under  the 1940  Act.  The
following supplements the discussion of the Plan contained in the Prospectus.

     The Plan remains in effect  through and  including  April 28, 1996 and from
year to year  thereafter,  provided such  continuance is approved  annually by a
vote of both a majority of (i) those Trustees who are not interested  persons of
the Trust and who have no direct or indirect financial interest in the operation
of the Plan or any agreements related to it (the "Rule 12b-1 Trustees") and (ii)
all of the Trustees  then in office,  cast in person at a meeting (or  meetings)
called for the purpose of voting on this Plan. The Plan may be terminated at any
time  by vote of the  Rule  12b-1  Trustees  or by a vote of a  majority  of the
outstanding  voting  securities  of the  Fund.  The Plan may not be  amended  to
increase  materially the amount to be spent for the services  described  therein
without approval of the shareholders of the Fund, and all material amendments of
the Plan must also be approved by the Trustees as required by Rule 12b-1.

     Under the Plan the President or a Vice President of the Trust shall provide
to the  Trustees  for  their  review,  and the  Trustees  shall  review at least
quarterly,  a  written  report  of the  amount  expended  under the Plan and the
purposes for which such  expenditures  were made.  The Plan may be terminated at
any time  without  payment of any penalty by vote of the Rule 12b- 1 Trustees or
by a vote of a  majority  of the  outstanding  voting  securities  of the  Fund.
Pursuant to such Rule, the Plan has been approved by the Fund's shareholders and
by the Trustees, including a majority of the Rule 12b-1 Trustees.

     During the fiscal year ended  December 31,  1994,  the Fund paid $47,483 in
distribution fees to the Principal  Underwriter and the Principal Underwriter in
turn paid $42,774 of this amount to  Authorized  Firms or others as described in
the  Prospectus  and used the balance of $4,709 to  compensate  employees of the
Principal  Underwriter  and its  affiliates  and to defray part of its  expenses
associated with distributing shares of the Fund.

     So long as the Plan is in effect,  the selection and nomination of Trustees
who are not interested persons of the Trust shall be committed to the discretion
of the  Trustees  who  are  not  such  interested  persons.  The  Trustees  have
determined that in their judgment there is a reasonable likelihood that the Plan
will benefit the Fund and its shareholders.
    

                       PORTFOLIO SECURITY TRANSACTIONS

     Decisions concerning the execution of Fund portfolio security transactions,
including the selection of the market and the executing  firm, are made by Eaton
Vance. Eaton Vance is also responsible for the execution of transactions for all
other accounts managed by it.

   
     Eaton Vance places the portfolio  security  transactions of the Fund and of
all other accounts managed by it for execution with many firms. Eaton Vance uses
its best  efforts to obtain  execution  of portfolio  security  transactions  at
prices which are  advantageous  to the Fund and (when a disclosed  commission is
being  charged) at  reasonably  competitive  commission  rates.  In seeking such
execution,  Eaton Vance will use its best judgment in evaluating  the terms of a
transaction,  and will give  consideration to various relevant factors including
without  limitation the size and type of the transaction,  the general execution
and operational  capabilities of the executing firm, the nature and character of
the  market  for the  security,  the  confidentiality,  speed and  certainty  of
effective execution required for the transaction,  the reputation,  reliability,
experience  and  financial  condition  of the firm,  the value  and  quality  of
services rendered by the firm in other  transactions,  and the reasonableness of
the  commission  or spread,  if any. The U.S.  Treasury  bills,  notes and bonds
purchased  and sold by the Fund are  generally  traded  in the  over-the-counter
market on a net basis  (i.e.,  without  commission)  through  dealers  and banks
acting  for their own  account  rather  than as  brokers,  and the Fund may also
acquire such obligations in the periodic  auctions of the U.S.  Treasury.  Firms
acting for their own account attempt to profit from such  transactions by buying
at the bid price and selling at a higher asked price for such  obligations,  and
the  difference  between such prices is  customarily  referred to as the spread.
While  it is  anticipated  that  the Fund  will  not pay  significant  brokerage
commissions in connection with such portfolio security transactions, on occasion
it may be  necessary  or  appropriate  to purchase or sell a security  through a
broker  on an  agency  basis,  in which  case the Fund  will  incur a  brokerage
commission.  Although spreads or commissions on portfolio security  transactions
will, in the judgment of Eaton Vance,  be reasonable in relation to the value of
the services provided, spreads or commissions exceeding those which another firm
might charge may be paid to firms who were selected to execute  transactions  on
behalf of the Fund and Eaton Vance's  other clients for providing  brokerage and
research services to Eaton Vance.
    

     As authorized in Section  28(e) of the  Securities  Exchange Act of 1934, a
broker or dealer who executes a portfolio  transaction on behalf of the Fund may
receive a  commission  which is in excess of the  amount of  commission  another
broker or dealer  would have charged for  effecting  that  transaction  if Eaton
Vance  determines in good faith that such  commission was reasonable in relation
to the value of the brokerage and research services provided. This determination
may be made on the basis of either that  particular  transaction or on the basis
of  overall  responsibilities  which  Eaton  Vance and its  affiliates  have for
accounts  over which they  exercise  investment  discretion.  In making any such
determination,  Eaton Vance will not attempt to place a specific dollar value on
the brokerage and research services provided or to determine what portion of the
commission  should be related to such services.  Brokerage and research services
may include advice as to the value of securities,  the advisability of investing
in,  purchasing,  or selling  securities,  and the availability of securities or
purchasers or sellers of securities;  furnishing analyses and reports concerning
issuers, industries, securities, economic factors and trends, portfolio strategy
and  the  performance  of  accounts;   effecting  securities   transactions  and
performing functions incidental thereto (such as clearance and settlement);  and
the "Research Services" referred to in the next paragraph.

     It is a  common  practice  in the  investment  advisory  industry  for  the
advisers of investment  companies,  institutions  and other investors to receive
research,  statistical  and  quotation  services,  data,  information  and other
services,  products and materials  which assist such advisers in the performance
of their investment  responsibilities  ("Research Services") from broker-dealers
which execute  portfolio  transactions for the clients of such advisers and from
third parties with which such broker-dealers have arrangements.  Consistent with
this practice,  Eaton Vance receives  Research Services from many broker- dealer
firms with which Eaton Vance places the Fund's  portfolio  transactions and from
third parties with which these broker-dealers have arrangements.  These Research
Services include such matters as general  economic and market reviews,  industry
and company  reviews,  evaluations  of securities  and portfolio  strategies and
transactions,  recommendations  as to the  purchase and sale of  securities  and
other portfolio transactions,  financial, industry and trade publications,  news
and  information  services,  pricing and quotation  equipment and services,  and
research  oriented computer  hardware,  software,  data bases and services.  Any
particular  Research  Service  obtained  through a broker-dealer  may be used by
Eaton Vance in connection  with client  accounts other than those accounts which
pay commissions to such broker-dealer.  Any such Research Service may be broadly
useful and of value to Eaton Vance in rendering  investment advisory services to
all or a significant  portion of its clients,  or may be relevant and useful for
the management of only one client's  account or of a few clients'  accounts,  or
may be  useful  for the  management  of  merely a segment  of  certain  clients'
accounts, regardless of whether any such account or accounts paid commissions to
the broker-dealer through which such Research Service was obtained. The advisory
fee paid by the Fund is not reduced  because Eaton Vance  receives such Research
Services.  Eaton Vance evaluates the nature and quality of the various  Research
Services  obtained  through   broker-dealer   firms  and  attempts  to  allocate
sufficient commissions to such firms to ensure the continued receipt of Research
Services  which Eaton Vance  believes  are useful or of value to it in rendering
investment advisory services to its clients.

     Subject to the  requirement  that Eaton Vance shall use its best efforts to
seek to execute Fund portfolio security  transactions at advantageous prices and
at reasonably competitive commission rates or spreads, Eaton Vance is authorized
to consider as a factor in the  selection  of any  broker-dealer  firm with whom
Fund  portfolio  orders  may be  placed  the fact  that such firm has sold or is
selling shares of the Fund or of other investment  companies  sponsored by Eaton
Vance. This policy is not inconsistent  with a rule of the National  Association
of Securities Dealers,  Inc., which rule provides that no firm which is a member
of the  Association  shall favor or disfavor the  distribution  of shares of any
particular  investment company or group of investment  companies on the basis of
brokerage commissions received or expected by such firm from any source.

     Securities  considered as investments  for the Fund may also be appropriate
for other investment  accounts  managed by Eaton Vance or its affiliates.  Eaton
Vance will attempt to allocate equitably  portfolio security  transactions among
the Fund and the portfolios of its other investment  accounts whenever decisions
are  made to  purchase  or sell  securities  by the Fund and one or more of such
other accounts simultaneously.  In making such allocations,  the main factors to
be  considered  are the  respective  investment  objectives of the Fund and such
other  accounts,  the  relative  size  of  portfolio  holdings  of the  same  or
comparable  securities,  the availability of cash for investment by the Fund and
such accounts, the size of investment commitments generally held by the Fund and
such  accounts  and the  opinions of the persons  responsible  for  recommending
investments  to the Fund and such accounts.  While this  procedure  could have a
detrimental  effect on the price or amount of the  securities  available  to the
Fund from time to time,  it is the opinion of the Board of Trustees of the Trust
that the  benefits  available  from the Eaton Vance  organization  outweigh  any
disadvantage that may arise from exposure to simultaneous transactions.

   
     During the fiscal year ended  December 31, 1994,  the Fund's  purchases and
sales  of  portfolio  securities  were  with  major  dealers  in  U.S.  Treasury
obligations. The prices for which securities are purchased from and sold to such
dealers usually include an undisclosed dealer spread. The Fund paid no brokerage
commissions  for the fiscal  years ended  December  31,  1994,  1993 and 1992 on
portfolio securities transactions.

                              OTHER INFORMATION

     Eaton Vance,  pursuant to the Investment Advisory  Agreement,  controls the
use of the Fund's name and may use the words "Eaton Vance" in other  connections
and for other  purposes.  Eaton Vance may require the Fund or the Trust to cease
using such words in its name if Eaton Vance or any other subsidiary or affiliate
of EVC ceases to act as investment adviser of the Fund.

     As permitted by  Massachusetts  law,  there will normally be no meetings of
shareholders for the purpose of electing  Trustees unless and until such time as
less than a  majority  of the  Trustees  holding  office  have been  elected  by
shareholders.  In  such  an  event  the  Trustees  then in  office  will  call a
shareholders'  meeting for the  election of Trustees.  Except for the  foregoing
circumstances  and unless  removed by action of the  shareholders  in accordance
with the Trust's  By-Laws,  the Trustees  shall  continue to hold office and may
appoint successor Trustees.

     The Trust's Amended and Restated Declaration of Trust may be amended by the
Trustees  when  authorized  by  vote of a  majority  of the  outstanding  voting
securities of the Trust,  the  financial  interests of which are affected by the
amendment. The Trustees may also amend the Declaration of Trust without the vote
or consent of  shareholders  to change the name of the Trust or any series or to
make  such  other  changes  as do not have a  materially  adverse  effect on the
financial  interests of  shareholders or if they deem it necessary to conform it
to applicable  Federal or state laws or regulations.  The Trust or any series or
class thereof may be terminated by: (1) the  affirmative  vote of the holders of
not less than  two-thirds of the shares  outstanding and entitled to vote at any
meeting of shareholders of the Trust or the appropriate series or class thereof,
or by an instrument or instruments in writing without a meeting, consented to by
the  holders  of  two-thirds  of the  shares  of the  Trust or a series or class
thereof,  provided,  however,  that, if such  termination  is recommended by the
Trustees,  the vote of a majority of the  outstanding  voting  securities of the
Trust or a series or class thereof  entitled to vote thereon shall be sufficient
authorization;  or (2) by means of an instrument in writing signed by a majority
of the Trustees, to be followed by a written notice to shareholders stating that
a majority of the Trustees has determined that the  continuation of the Trust or
series or a class thereof is not in the best interest of the Trust,  such series
or class or of their respective shareholders.

     The  Declaration  of Trust  further  provides that the Trustees will not be
liable for errors of judgment  or  mistakes  of fact or law;  but nothing in the
Declaration of Trust protects a Trustee  against any liability to which he would
otherwise  be  subject  by reason  of  willful  misfeasance,  bad  faith,  gross
negligence,  or reckless  disregard of the duties involved in the conduct of his
office.  In addition,  the By-Laws of the Trust  provide that no natural  person
shall  serve as a Trustee of the Trust  after the  holders of record of not less
than two-thirds of the outstanding  shares have declared that he be removed from
office either by  declaration  in writing filed with the custodian of the assets
of the Trust or by votes cast in person or by proxy at a meeting  called for the
purpose.  The By-Laws  also  provide that the  Trustees  shall  promptly  call a
meeting of shareholders  for the purpose of voting upon a question of removal of
a Trustee when  requested so to do by the record holders of not less than 10 per
centum of the outstanding shares.

     The right to redeem can be  suspended  and the  payment  of the  redemption
price  deferred  when the New York  Stock  Exchange  is closed  (other  than for
customary  weekend and holiday  closings),  during  periods  when trading on the
Exchange is  restricted  as  determined  by the SEC, or during any  emergency as
determined  by the SEC which makes it  impracticable  for the Fund to dispose of
its  securities  or value its assets,  or during any other  period  permitted by
order of the SEC for the protection of investors.
    

<PAGE>
- --------------------------------------------------------------------------
- --------------------------------------------------------------------------
                            PORTFOLIO OF INVESTMENTS
                               DECEMBER 31, 1994
- ---------------------------------------------------------------------------
               U.S. TREASURY OBLIGATION -- 101.7%
- ---------------------------------------------------------------------------
                                        PRINCIPAL
SECURITY                                 AMOUNT                  VALUE
- ---------------------------------------------------------------------------
U.S. Treasury Bill, 5.088%, 2/2/95     $1,200,000               $1,195,440
                                                                ----------
  TOTAL U.S. TREASURY OBLIGATIONS,
      AND TOTAL INVESTMENTS
      (identified cost, $1,194,647)                             $1,195,440
  OTHER ASSETS,
      LESS LIABILITIES --(1.7)%                                    (19,987)
                                                                ----------
  NET ASSETS -- 100.0%                                          $1,175,453
                                                                ==========

The accompanying Notes are an integral part of the Financial Statements

<PAGE>
- ---------------------------------------------------------------------------
                              FINANCIAL STATEMENTS
                      STATEMENT OF ASSETS AND LIABILITIES
- ---------------------------------------------------------------------------
                               December 31, 1994
- ---------------------------------------------------------------------------
ASSETS:
    Investments, at value (Note 1A)
      (identified cost, $1,194,647)                             $1,195,440
    Cash                                                            51,228
    Receivable from Investment Adviser                              44,164
    Deferred organization expenses (Note 1D)                        12,205
                                                                ----------
        Total assets                                            $1,303,037
LIABILITIES:
    Payable for Fund shares redeemed              $112,645
    Accrued expenses                                14,939
                                                  --------
        Total liabilities                                          127,584
                                                                ----------
NET ASSETS for 20,434 shares of
beneficial interest outstanding                                 $1,175,453
                                                                ==========
SOURCES OF NET ASSETS:
    Paid-in capital                                             $1,178,476
    Accumulated net realized loss on investment
      transactions (identified cost basis)                          (3,816)
    Net unrealized appreciation of investments
      (identified cost basis)                                          793
                                                                ----------
        Total                                                   $1,175,453
                                                                ==========

NET ASSET VALUE AND REDEMPTION PRICE PER SHARE
    ($1,175,453 / 20,434 shares of capital
       stock outstanding)                                           $57.52
                                                                    ======

The accompanying Notes are an integral part of the Financial Statements
<PAGE>


                            STATEMENT OF OPERATIONS
- ---------------------------------------------------------------------------
                      For the Year Ended December 31, 1994
- ---------------------------------------------------------------------------
INVESTMENT INCOME:
    Interest income                                                $723,193
    Expenses --
      Investment adviser fee (Note 4)                  $ 42,301
      Trustees' compensation (Note 4)                       771
      Custodian fee (Note 4)                             19,248
      Distribution expenses (Note 5)                     47,011
      Legal and accounting fees                          27,590
      Printing and postage                               20,527
      Registration fees                                  18,355
      Amortization of organization
        expenses (Note 1D)                               17,542
      Professional fees                                  16,500
      Transfer and dividend disbursing
        agent fees                                       12,000
      Miscellaneous                                      10,892
                                                       --------
          Total expenses                               $232,737
      Deduct --
        Reduction of investment
           adviser fee (Note 4)            $42,301
        Allocation of expenses to
           Investment Adviser (Note 4)      31,702       74,003
                                           -------     --------
          Net expenses                                              158,734
                                                                   --------
              Net investment income                                $564,459

  REALIZED AND UNREALIZED GAIN ON INVESTMENTS:
    Net realized gain on investment
       transactions (identified cost basis)            $ 41,684
    Change in unrealized appreciation
       of investments                                       880
                                                       --------
          Net realized and unrealized
             gain on investments                                     42,564
                                                                   --------
              Net increase in net assets
                 resulting from operations                         $607,023
                                                                   ========

The accompanying Notes are an integral part of the Financial Statements

<PAGE>
FINANCIAL STATEMENTS (Continued)

- ---------------------------------------------------------------------------
                       STATEMENT OF CHANGES IN NET ASSETS
- ---------------------------------------------------------------------------
                                                 YEAR ENDED DECEMBER 31,
                                              -----------------------------
                                                 1994              1993
                                              ----------        -----------

INCREASE (DECREASE) IN NET ASSETS:
  From operations --
    Net investment income                     $  564,459       $ 1,767,828
    Net realized gain (loss) on
       investment transactions                    41,684           (45,501)
    Change in unrealized appreciation
       (depreciation) of investments                 880            (8,634)
                                              ----------       -----------
        Increase in net assets
           from operations                    $  607,023       $ 1,713,693
  Net decrease in net assets from Fund
     share transactions (Note 2)              (1,174,981)       (4,887,313)
                                              ----------       -----------
            Net decrease in net assets        $ (567,958)      $(3,173,620)

  NET ASSETS:
    At beginning of year                       1,743,411         4,917,031
                                              ----------       -----------
    At end of year                            $1,175,453       $ 1,743,411
                                              ==========       ===========

The accompanying Notes are an integral part of the Financial Statements

<PAGE>
                              FINANCIAL HIGHLIGHTS
<TABLE>
<CAPTION>
- ---------------------------------------------------------------------------
                                            YEAR ENDED DECEMBER 31,
                                     ------------------------------------
                                      1994     1993     1992     1991<F1>
                                     ------   ------   ------   ------
<S>                                  <C>      <C>      <C>       <C>
NET ASSET VALUE, beginning of year   $55.58   $54.30   $52.64    $50.18
                                     ------   ------   ------    ------
INCOME FROM OPERATIONS:
  Net investment income              $ 1.80   $ 1.34   $ 1.61    $ 2.15
  Net realized and unrealized gain
     (loss) on investments             0.14    (0.06)    0.05      0.31
                                     ------   ------   ------    ------
    Total income from operations     $ 1.94   $ 1.28   $ 1.66    $ 2.46
                                     ------   ------   ------    ------
NET ASSET VALUE, end of year         $57.52   $55.58   $54.30    $52.64
                                     ======   ======   ======    ======
TOTAL RETURN<F2>                      3.49%    2.36%    3.15%     4.90%
RATIOS/SUPPLEMENTAL DATA:
    Net assets, end of year (000's
       omitted)                      $1,175   $1,743   $4,917  $100,976
    Ratio of expenses to average
       net assets<F4>                 0.60%    0.60%    0.60%     0.60%<F3>
    Ratio of net investment income
       to average net assets<F4>      2.97%    2.48%    3.01%     4.66%<F3>
<FN>
<F1>Period  from the date of initial  public  offering,  February  4,  1991,  to
    December  31, 1991.  For the period from the start of business,  January 11,
    1991, to February 3, 1991, net investment income aggregating $0.18 per share
    ($367) was earned by the Fund. The financial  highlights for the period were
    audited by the Fund's previous auditors.
<F2>Total investment  return is calculated  assuming a purchase at the net asset
    value on the first day and a sale at the net asset  value on the last day of
    each period reported. Dividends and distributions, if any, are assumed to be
    reinvested at the net asset value on the payable date.
<F3>Computed on an annualized basis.
<F4>The expenses related to the operation of the Fund reflect a reduction of the
    investment  adviser fee and an  allocation  of  expenses  to the  Investment
    Adviser. Had such action not been taken, net investment income per share and
    the ratios would have been as follows:

    NET INVESTMENT INCOME PER SHARE   $ 1.56   $ 1.28   $ 1.56   $ 2.07
                                      ======   ======   ======   ======
    RATIOS (As a percentage
        of average net assets):
        Expenses                       1.23%    0.70%    0.70%    0.78%<F1>
                                      ======   ======   ======   ======

        Net investment income          2.58%    2.38%    3.11%    4.49%<F1>
                                      ======   ======   ======   ======
</FN>
Note:  Certain of the per share amounts have been computed  using average shares
outstanding.
</TABLE>

The accompanying Notes are an integral part of the Financial Statements

<PAGE>

- ------------------------------------------------------------------------------
                        NOTES TO FINANCIAL STATEMENTS
- ------------------------------------------------------------------------------
(1) SIGNIFICANT ACCOUNTING POLICIES
Eaton  Vance  Short-Term  Treasury  Fund (the  Fund) is a series of Eaton  Vance
Government  Obligations  Trust (the  Trust).  The Trust is an entity of the type
commonly known as a  Massachusetts  business  trust and is registered  under the
Investment  Company  Act  of  1940,  as  amended,  as  a  diversified,  open-end
management  investment  company.  The  following  is a  summary  of  significant
accounting policies  consistently followed by the Fund in the preparation of its
financial  statements.  The policies are in conformity  with generally  accepted
accounting principles.

A. INVESTMENT  VALUATIONS - Debt  securities,  including  listed  securities and
securities for which price quotations are available,  will normally be valued on
the basis of  market  valuations  furnished  by a  pricing  service.  Short-term
obligations and money market  securities  maturing in 60 days or less are valued
at amortization cost, which approximates  value. Other assets are valued at fair
value using methods determined in good faith by the Trustees.

B. INCOME - Interest  income is determined on the basis of interest  accrued and
discount earned, adjusted for amortization of discount when required for federal
income tax purposes.

C. FEDERAL  TAXES - The Fund's  policy is to comply with the  provisions  of the
Internal Revenue Code available to regulated investment  companies.  The Fund is
not  subject to Federal  income or excise  tax to the extent it  distributes  to
shareholders  each year its taxable net income,  including any net realized gain
on investments in accordance with the timing  requirements  imposed by the Code.
Accordingly,  no  provision  for federal  income or excise tax is  neessary.  At
December 31, 1994, the Fund, for federal income tax purposes, had a capital loss
carryover of $3,816,  which will reduce the Fund's  taxable  income arising from
future net  realized  gain on  investment  transactions,  if any,  to the extent
permitted by the Internal  Revenue Code,  and thus will reduce the amount of the
distributions to shareholders  which would otherwise be necessary to relieve the
Fund of any  liability  for federal  income or excise  tax.  Such  capital  loss
carryover  will expire on December 31, 2001.  The Fund intends on its tax return
to treat as a distribution of net investment  income and realized  capital gains
the  portion  of  redemption  proceeds  paid  to  redeeming   shareholders  that
represents  their share of the Fund's  undistributed  income and gains.  For the
year ended December 31, 1994, the Fund utilized earnings and profits distributed
to  shareholders  on  redemptions of Fund shares as a part of the dividends paid
deduction for income tax  purposes.  For the year ended  December 31, 1994,  the
Fund  reclassified   $564,459  from   undistributed  net  investment  income  to
additional paid-in capital in connection with the dividend paid deduction.  This
practice,  which  involves  the use of  equalization  accounting,  will have the
effect of  reducing  the amount of income and gains that the Fund is required to
distribute  as a dividend to  shareholders  each year in order to avoid  federal
income and excise tax.

D.  DEFERRED  ORGANIZATION  EXPENSES - Costs  incurred by the Fund in connection
with its organization,  including registration costs, are being amortized on the
straight-line  basis through  February 1996. E. OTHER - Investment  transactions
are accounted for on the date the investments  are purchased or sold.  Dividends
to shareholders are recorded on the ex-dividend date.

E. OTHER - Investment transactions are accounted for on the date the investments
are purchased or sold. Dividends to shareholders are recorded on the ex-dividend
date.

<PAGE>
      -----------------------------------------------------------------
(2) SHARES OF BENEFICIAL INTEREST
The  Declaration  of Trust permits the Trustees to issue an unlimited  number of
full and fractional shares of beneficial interest (without par value).
Transactions in Fund shares were as follows:
<TABLE>
<CAPTION>

                                                         YEAR ENDED DECEMBER 31,
                                  -----------------------------------------------------------------------
                                                 1994                                 1993
                                  ----------------------------------   ----------------------------------
                                        SHARES            AMOUNT            SHARES             AMOUNT
                                      ----------       -------------       ----------       -------------
<S>                                    <C>             <C>                  <C>             <C>
  Sales                                4,306,765       $ 242,492,314        8,500,273       $ 466,141,165
  Redemptions                         (4,317,699)       (243,667,295)      (8,559,462)       (471,028,478)
                                      ----------       -------------       ----------       -------------
      Net decrease                       (10,934)      $  (1,174,981)         (59,189)      $  (4,887,313)
                                      ----------       -------------       ----------       -------------
                                      ----------       -------------       ----------       -------------
</TABLE>
<PAGE>
 ----------------------------------------------------------------------------

(3) PURCHASES AND SALES OF INVESTMENTS
Purchases  and  sales  (including  maturities)  of U.S.  Government  Securities,
aggregated $352,033,834 and $353,299,573, respectively.

- ------------------------------------------------------------------------------

(4) INVESTMENT ADVISER FEE AND OTHER TRANSACTIONS WITH AFFILIATES
The  investment  adviser  fee is  earned  by  Eaton  Vance  Management  (EVM) as
compensation  for management and investment  advisory  services  rendered to the
Fund.  The fee is based upon a  percentage  of average  daily net assets  plus a
percentage  of gross  income  (i.e.,  income  other than gains from the sales of
securities).  For the year ended  December 31, 1994,  the fee was  equivalent to
0.22% (annualized) of the Fund's average net assets and amounted to $42,301.  To
enhance the net income of the Fund, EVM made a preliminary  reduction of its fee
in the amount of $42,301 and $31,702 of the expenses related to the operation of
the Fund were  allocated  to EVM.  Except as to Trustees of the Fund who are not
members of EVM's  organization,  officers and Trustees receive  remuneration for
their services to the Fund out of such investment adviser fee. The custodian fee
is paid to Investors  Bank & Trust Company  (IBT),  an affiliate of EVM, for its
services as  custodian of the Fund.  Pursuant to the  custodian  agreement,  IBT
receives a fee  reduced by credits  which are  determined  based on the  average
daily cash  balances the Fund  maintains  with IBT.  Certain of the officers and
Trustees  of  the  Fund  are  officers  and   directors/trustees  of  the  above
organizations.

 ----------------------------------------------------------------------------

(5) DISTRIBUTION PLAN
The Fund has adopted a  Distribution  Plan (the  "Plan")  pursuant to Rule 12b-1
under the  Investment  Company Act of 1940. The Plan provides that the Fund will
pay  the  Principal  Underwriter,  Eaton  Vance  Distributors,   Inc.  (EVD),  a
subsidiary  of EVM,  a  quarterly  distribution  fee equal to 0.25% on an annual
basis of the  Fund's  average  daily net  assets.  EVD may pay up to the  entire
amount of the  distribution  fee to Authorized  Firms for providing  services to
shareholders.  The Plan is designed to compensate EVD and the  Authorized  Firms
through which the Fund's shares are distributed. For the year ended December 31,
1994 the Fund paid $47,011 in  distribution  fees to EVD, and EVD in turn paid a
substantial portion of this amount to Authorized Firms.

 ----------------------------------------------------------------------------

(6) LINE OF CREDIT
The  Fund  participates  with  other  funds  managed  by EVM  in a $120  million
unsecured line of credit agreement with a bank. The line of credit consists of a
$20  million  committed  facility  and a $100  million  discretionary  facility.
Borrowings will be made by the Fund solely to facilitate the handling of unusual
and/or unanticipated  short-term cash requirements.  Interest is charged to each
fund based on its  borrowings  at an amount  above  either  the bank's  adjusted
certificate of deposit rate, a variable adjusted certificate of deposit rate, or
a federal funds effective rate. In addition, a fee computed at an annual rate of
1/4 of 1% on the $20 million committed  facility and on the daily unused portion
of the $100 million discretionary  facility is allocated among the participating
funds  at the  end of each  quarter.  The  Fund  did not  have  any  significant
borrowings or allocated fees during the year.

- ------------------------------------------------------------------------------

(7) FEDERAL INCOME TAX BASIS OF INVESTMENTS
The cost and unrealized  appreciation/depreciation  in value of the  investments
owned at December 31, 1994,  as computed on a federal  income tax basis,  are as
follows:

Aggregate cost                                                        $1,194,647
                                                                       ---------
                                                                       ---------
Gross unrealized appreciation                                         $      793
Gross unrealized depreciation                                             --
                                                                       ---------
      Net unrealized appreciation                                     $      793
                                                                       ---------
                                                                       ---------
<PAGE>
- -----------------------------------------------------------------------------
                       INDEPENDENT ACCOUNTANTS' REPORT
 ----------------------------------------------------------------------------
To the Trustees and  Shareholders of
Eaton Vance Government  Obligations  Trust;
Short-Term Treasury Fund series:

We have audited the  accompanying  statement of assets and  liabilities of Eaton
Vance  Short-Term  Treasury  Fund (one of the series  constituting  Eaton  Vance
Government  Obligations  Trust),  including  the  investment  portfolio,  as  of
December  31, 1994 and the related  statement  of  operations  for the year then
ended,  the  statement of changes in net assets for each of the two years in the
period then ended and the  financial  highlights  for each of the three years in
the period then ended. These financial  statements and financial  highlights are
the responsibility of the Fund's management. Our responsibility is to express an
opinion on these  financial  statements  and financial  highlights  based on our
audits. The financial  highlights for the period from January 11, 1991 (start of
business) to December 31, 1991 presented herein,  were audited by other auditors
whose report dated January 24, 1992,  expressed an  unqualified  opinion on such
financial highlights.

We  conducted  our  audits  in  accordance  with  generally   accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable  assurance  about  whether the  financial  statements  and  financial
highlights are free of material misstatement.  An audit includes examining, on a
test basis,  evidence  supporting  the amounts and  disclosures in the financial
statements.  Our  procedures  included  confirmation  of securities  owned as of
December 31, 1994 by  correspondence  with the custodian  and brokers.  An audit
also includes assessing the accounting principles used and significant estimates
made by  management,  as well as  evaluating  the  overall  financial  statement
presentation.  We believe  that our audits  provide a  reasonable  basis for our
opinion.

In our opinion,  the financial  statements and financial  highlights referred to
above present fairly, in all material  respects,  the financial  position of the
Eaton Vance Short-Term Treasury Fund as of December 31, 1994, the results of its
operations for the year then ended and the changes in its net assets for each of
the two years in the period then ended and the financial  highlights for each of
the three years in the period then ended, in conformity with generally  accepted
accounting principles.
                                                        COOPERS & LYBRAND L.L.P.

Boston, Massachusetts
February 3, 1995
<PAGE>
INVESTMENT ADVISER
Eaton Vance Management
24 Federal Street
Boston, MA 02110

PRINCIPAL UNDERWRITER
Eaton Vance Distributors, Inc.
24 Federal Street
Boston, MA 02110
(800) 225-6265

CUSTODIAN
Investors Bank & Trust Company
24 Federal Street
Boston, MA 02110

TRANSFER AGENT
The Shareholder Services Group, Inc.
BOS725
P.O. Box 1559
Boston, MA 02104
(800) 262-1122

INDEPENDENT ACCOUNTANTS
Coopers & Lybrand L.L.P.
One Post Office Square
Boston, MA 02109

EATON VANCE SHORT-TERM
TREASURY FUND
24 FEDERAL STREET
BOSTON, MA 02110
                      TYSAI



                                  EATON VANCE
                                   SHORT-TERM
                                 TREASURY FUND

                                  STATEMENT OF
                                   ADDITIONAL
                                  INFORMATION

                                  MAY 1, 1995



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