59 WALL STREET TRUST
485BPOS, 1997-10-28
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As filed with the Securities and Exchange Commission on October 28, 1997.
    
Registration No. 33-39020
(The 59 Wall Street U.S. Treasury Money Fund)



                       SECURITIES AND EXCHANGE COMMISSION
                                      
                             Washington, D.C. 20549
                                      

                                   FORM N-1A

            REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
                                         
                         POST-EFFECTIVE AMENDMENT NO. 7

                                      AND
                                          

        REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940
                                         
                                AMENDMENT NO. 36
                                          

                            THE 59 WALL STREET TRUST
                                      
               (Exact name of Registrant as specified in charter)
                                      

                               6 St. James Avenue
                          Boston, Massachusetts 02116
                    (Address of Principal Executive Offices)

                                      
           Registrant's Telephone Number, Including Area Code: (617)423-0800
                                      

                               PHILIP W. COOLIDGE
                                      
                6 St. James Avenue, Boston, Massachusetts 02116
                                      
                    (Name and Address of Agent for Service)

                                    Copy to:
                                      
                         JOHN E. BAUMGARDNER, JR., ESQ.
                                      
                              Sullivan & Cromwell
                                      
                   125 Broad Street, New York, New York 10004
                                      
It is proposed that this filing will become effective (check appropriate box)
   
[X] immediately  upon filing  pursuant to pursuant to paragraph (b)
[ ] on October   , 1997 pursuant to paragraph (b) 
[ ] 60 days after filing  pursuant to paragraph (a) i)
[ ] on (date)  pursuant to paragraph  (a)(i) 
[ ] 75 days afterfiling pursuant to paragraph (a)(ii) 
[ ] on (date) pursuant to paragraph (a)(ii) of rule 485.

If appropriate, check the following box:

    [ ] this post-effective amendment designates a new effective date for a
    previously filed post-effective amendment.

Registrant  has  registered an  indefinite  number of its shares of common stock
pursuant to Rule 24f-2  under the  Investment  Company  Act of 1940.  Registrant
filed the Notice  required by Rule 24f-2 on September 29, 1997, for Registrant's
fiscal year ending June 30, 1997.
    
<PAGE>
                                EXPLANATORY NOTE

   
         This  Amendment  (the  "Amendment")  to the  Registrant's  Registration
Statement  includes a prospectus  (the "U.S.  Treasury  Money Fund  Prospectus")
relating only to The 59 Wall Street U.S.  Treasury  Money Fund (the  "Fund"),  a
series of shares of the  Registrant.  Another series of shares of the Registrant
is being offered by the prospectus  (the "Money Market Fund  Prospectus")  which
was  included  in  Part A of  Amendment  No.  35  ("Amendment  No. 35")  to the
Registrant's  Registration  Statement. A third series of the Registrant is being
offered by the prospectus  (the "Tax Free  Short/Intermediate  Fixed Income Fund
Prospectus")  which was included in Part A of Amendment No. 37 ("Amendment 37")
to the Registrant's  Registration  Statement.  The Amendment does not relate to,
amend or  otherwise  affect the Money  Market  Fund  Prospectus  or the Tax Free
Short/Intermediate  Fixed Income Fund Prospectus,  which are hereby incorporated
by reference from Amendments No. 35 and 37, respectively.
    
<PAGE>

                                     [LOGO]

                            U.S. Treasury Money Fund

                                   PROSPECTUS

                                November 1, 1997

<PAGE>

================================================================================

PROSPECTUS

                   The 59 Wall Street U.S. Treasury Money Fund

                 6 St. James Avenue, Boston, Massachusetts 02116

================================================================================

     The 59 Wall  Street  U.S.  Treasury  Money Fund is an  open-end  investment
company which is a separate  diversified  portfolio of The 59 Wall Street Trust.
Shares of the Fund are offered by this Prospectus.

     The Fund is a type of mutual fund commonly known as a money market fund. It
is designed to be a cost  effective and convenient  means of making  substantial
investments in money market instruments.  The Fund's investment  objective is to
achieve as high a level of current income as is consistent with the preservation
of capital and the maintenance of liquidity.  The net asset value of each of the
Fund's shares is expected to remain constant at $1.00. There can be no assurance
that the investment objective of the Fund will be achieved or that the net asset
value per share will not vary.

     Investments  in the Fund are  neither  insured nor  guaranteed  by the U.S.
Government. Shares of the Fund are not deposits or obligations of, or guaranteed
by, Brown Brothers Harriman & Co., and the shares are not insured by the Federal
Deposit Insurance Corporation or any other federal,  state or other governmental
agency.

     The  Trust  seeks  to  achieve  the  investment  objective  of the  Fund by
investing  only in  short-term  securities  backed as to principal  and interest
payments by the full faith and credit of the United States of America.  Although
investments held for the Fund are issued by the U.S.  Government,  an investment
in the Fund is not insured or guaranteed by the U.S. Government.

     Dividends  from  the  Fund  which  are  derived  from  interest  on  direct
obligations  of the U.S.  Government  are  generally  expected to be exempt from
state and local income taxes in all states.  However,  a shareholder of the Fund
is subject to federal income tax on the dividends and capital gain distributions
received from the Fund.

     Brown  Brothers  Harriman  & Co.  is the  investment  adviser  to,  and the
administrator  and shareholder  servicing agent of the Fund.  Shares of the Fund
are offered at net asset value without a sales charge.

     This Prospectus,  which investors are advised to read and retain for future
reference,   sets  forth  concisely  the  information  about  the  Fund  that  a
prospective  investor  ought to know before  investing.  Additional  information
about the Fund has been filed with the Securities  and Exchange  Commission in a
Statement of Additional Information, dated November 1, 1997. This information is
incorporated  herein by reference and is available  without  charge upon request
from the Fund's  distributor,  59 Wall Street  Distributors,  Inc.,  6 St. James
Avenue, Boston, Massachusetts 02116.

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

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.

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

                The date of this Prospectus is November 1, 1997.

<PAGE>

                               TABLE OF CONTENTS

Expense Table...............................................................   3
Financial Highlights........................................................   4
Investment Objective and Policies...........................................   4
Investment Restrictions.....................................................   6
Purchase of Shares..........................................................   6
Redemption of Shares........................................................   7
Management of the Trust ....................................................   8
Net Asset Value.............................................................  11
Dividends and Distributions.................................................  12
Taxes.......................................................................  12
Description of Shares.......................................................  14
Additional Information .....................................................  15

                          TERMS USED IN THIS PROSPECTUS

Trust ....................................   The 59 Wall Street Trust
Fund .....................................   The 59 Wall Street U.S. Treasury 
                                               Money Fund
Investment Adviser and Administrator......   Brown Brothers Harriman & Co.
Subadministrator..........................   59 Wall Street Administrators, Inc.
                                               ("59 Wall Street Administrators")
Distributor...............................   59 Wall Street Distributors, Inc.
                                               ("59 Wall Street Distributors")
1940 Act..................................   The Investment Company Act of 1940,
                                               as amended.


                                       2
<PAGE>

EXPENSE TABLE
================================================================================

     The following table provides (i) a summary of estimated  expenses  relating
to purchases and sales of shares of the Fund, and the aggregate annual operating
expenses of the Fund,  as a  percentage  of average net assets of the Fund,  and
(ii) an example  illustrating  the dollar cost of such  estimated  expenses on a
$1,000 investment in the Fund.

                        SHAREHOLDER TRANSACTION EXPENSES

       Sales Load Imposed on Purchases.............................. None
       Sales Load Imposed on Reinvested Dividends................... None
       Deferred Sales Load.......................................... None
       Redemption Fee............................................... None

                         ANNUAL FUND OPERATING EXPENSES
                     (as a percentage of average net assets)

       Investment Advisory Fee..................................... 0.15%
       12b-1 Fee................................................... None
       Other Expenses
         Administration Fee ....................................... 0.100%
         Shareholder Servicing/Eligible Institution Fee............ 0.225
         Other Expenses............................................ 0.075   0.40
                                                                    -----  -----
       Total Fund Operating Expenses...............................        0.55%
                                                                           =====

                      Example              1 year   3 years   5 years   10 years
                     ---------             ------   -------   -------   --------
 A shareholder  of the Fund  would pay
   the following  expenses on a $1,000
   investment,  assuming (1) 5% annual                                          
   return,  and (2)  redemption at the                                          
   end of each time period:...........       $6       $18        $31         $69

     The Example  should not be  considered a  representation  of past or future
expenses. Actual expenses may be greater or less than those shown. In connection
with the  Example,  please  note that $1,000 is  currently  less than the Fund's
minimum purchase  requirement.  The purpose of this table is to assist investors
in  understanding  the various costs and expenses that  shareholders of the Fund
bear directly or indirectly.

     For  more  information  with  respect  to  the  expenses  of the  Fund  see
"Management of the Trust" herein.


                                       3
<PAGE>

FINANCIAL HIGHLIGHTS
================================================================================

     The following  information for the five years ended June 30, 1997, has been
audited by Deloitte & Touche LLP, independent auditors.  This information should
be read in conjunction  with the financial  statements and notes thereto,  which
are  incorporated by reference in the Statement of Additional  Information.  The
ratios of  expenses  and net  investment  income to  average  net assets are not
indicative of future ratios.
                                                                  
<TABLE>
<CAPTION>

                                                                                                      For the period
                                                                                                      March 12, 1991        
                                                    For the years ended June 30,                      (commencement        
                             ---------------------------------------------------------------------    of operations)     
                               1997         1996         1995        1994       1993         1992    to June 30, 1991       
                              ------       ------       ------      ------     ------       ------   ----------------
<S>                            <C>          <C>          <C>         <C>        <C>          <C>        <C>  
Net asset value, beginning            
  of period ...............    $1.00        $1.00        $1.00       $1.00      $1.00        $1.00        $1.00
Income from investment                
  operations:                         
  Net investment income ...     0.04         0.05         0.05        0.03       0.03         0.04         0.02
                               ------       ------       ------      ------     ------       ------       ------
Dividends to shareholders             
  from net investment                 
  income ..................    (0.04)       (0.05)       (0.05)      (0.03)     (0.03)       (0.04)       (0.02)
                               ------       ------       ------      ------     ------       ------       ------
Net asset value, end of               
  period ..................    $1.00        $1.00        $1.00       $1.00      $1.00        $1.00        $1.00
                               ======       ======       ======      ======     ======       ======       ======
Total return* .............     4.75%        4.96%        4.67%       2.74%      2.75%        4.48%        5.45%**
Ratios/supplemental data:               
  Net assets, end of period             
    (000's omitted) .......  $160,458    $146,225     $144,969    $141,731    $136,584    $118,706      $70,241
  Ratio of expenses to                  
    average net assets* ...     0.55%        0.56%        0.55%       0.55%       0.55%       0.55%        0.55%**
  Ratio of net investment               
    income to average net               
    assets ................     4.65%        4.78%        4.52%       2.72%       2.70%       4.35%        5.27%**
</TABLE>
                                       
 *   Had the expense  reimbursement  agreement  not been in place,  the ratio of
     expenses to average net assets,  for the years ended June 30,  1996,  1995,
     1994,  1993  and  1992 and the  period  March  12,  1991  (commencement  of
     operations) to June 30, 1991, would have been 0.57%,  0.58%,  0.57%, 0.55%,
     0.56%,  and 0.74%,  respectively.  For the same  periods,  the total return
     would  have  been  4.91%,   4.64%,   2.72%,   2.7  5%,  4.47%,  and  5.26%,
     respectively.  The expense reimbursement  agreement ter minated on February
     1, 1996.

**   Annualized.
                                       
INVESTMENT OBJECTIVE AND POLICIES      
================================================================================

     The  investment  objective  of the  Fund is to  achieve  as high a level of
current  income  as is  consistent  with the  preservation  of  capital  and the
maintenance of liquidity.

     The  investment  objective of the Fund is a  fundamental  policy and may be
changed  only with the  approval  of the  holders of a  "majority  of the Fund's
outstanding  voting  securities" (as defined in the 1940 Act). (See  "Additional
Information" in this Prospectus.)  However,  the investment policies of the Fund
as described below are not fundamental and may be changed without such approval.

     Investments  for the Fund  mature or are  deemed to mature  within 397 days
from the date of purchase and


                                       4
<PAGE>

the average maturity of the investments  held by the Fund (on a  dollar-weighted
basis) is 90 days or less.

     Assets of the Fund are invested only in  securities  backed as to principal
and  interest  payments  by the full faith and  credit of the  United  States of
America.  These  securities  are  issues  of the U.S.  Treasury,  such as bills,
certificates  of  indebtedness,  notes and bonds as well as  unmatured  interest
coupons of U.S. Treasury bonds and notes which have been separated and resold in
a custodial receipt program administered by the U.S. Treasury.

     The Trust  may,  in the  future,  seek to  achieve  the  Fund's  investment
objective  by  investing  all of the Fund's  assets in a  no-load,  diversified,
open-end management  investment company having substantially the same investment
objective as the Fund.  Shareholders  will receive 30 days prior written  notice
with respect to any such investment.

                                  Risk Factors

     Although  investments held for the Fund are issued by the U.S.  Government,
an investment  in the Fund is not insured or guaranteed by the U.S.  Government.
The portfolio is subject to interest rate risk which causes  fluctuations in the
amount of daily  dividends,  and,  in extreme  cases,  could cause the net asset
value per share of the Fund to deviate from $1.00 per share.  Interest rate risk
refers to the price  fluctuation  of a debt  security  in response to changes in
interest  rates.  In  general,   short-term  securities  have  relatively  small
fluctuations in price in a response to general changes in interest rates.

                               Portfolio Brokerage

     Although the Fund generally holds  investments  until maturity and does not
seek  profits  through  short-term  trading,  it may  dispose  of any  portfolio
security prior to its maturity if it believes such disposition advisable.

     U.S.  Treasury  securities  are generally  traded on a net basis and do not
normally involve either brokerage  commissions or transfer taxes. Where possible
transactions  on  behalf of the Fund are  entered  directly  with the  issuer or
market maker for the  securities  involved.  Purchases  from dealers  serving as
market makers may include a spread  between the bid and asked price.  The policy
of the  Fund  regarding  purchases  and  sales  of  securities  is that  primary
consideration will be given to obtaining the most favorable prices and efficient
executions of  transactions.  In seeking to implement the Fund's  policies,  the
Investment  Adviser effects  transactions with those brokers and dealers who the
Investment Adviser believes provide the most favorable prices and are capable of
providing efficient  executions.  If the Investment Adviser believes such prices
and executions are obtainable  from more than one broker or dealer,  it may give
consideration to placing  portfolio  transactions with those brokers and dealers
who  furnish  research  and  other  services  to the Fund and or the  Investment
Adviser.  Such services may include,  but are not limited to, any one or more of
the following:  information as to the availability of securities for purchase or
sale;  statistical or factual  information or opinions pertaining to investment;
and  appraisals  or  evaluations  of  portfolio   securities.   (See  "Portfolio
Transactions" in the Statement of Additional Information.)

     On those occasions when Brown Brothers Harriman & Co. deems the purchase or
sale of a security to be in the best interests of the Portfolio as well as other
customers,  Brown Brothers Harriman & Co., to the extent permitted by applicable
laws and regulations,  may, but is not obligated to, aggregate the securities to
be sold or purchased  for the Fund with those to be sold or purchased  for other
customers  in  order  to  obtain  best  execution,   including  lower  brokerage
commissions,  if  appropriate.  In such event,  allocation of the  securities so
purchased or sold as well as any expenses  incurred in the  transaction are made
by Brown Brothers Harriman & Co. in the manner it considers to be most equitable
and consistent  with its fiduciary  obligations to its customers,  including the
Fund. In some instances, this procedure might adversely affect the Fund.


                                       5
<PAGE>

INVESTMENT RESTRICTIONS
================================================================================

     The Statement of Additional  Information for the Fund includes a listing of
the  specific  investment   restrictions  which  govern  the  Fund's  investment
policies.  Certain  of these  investment  restrictions  are  deemed  fundamental
policies and may be changed only with the approval of the holders of a "majority
of the Fund's  outstanding  voting securities" (as defined in the 1940 Act) (see
"Additional Information" in this Prospectus). Excluding the investment of all of
the Fund's assets in an open-end  investment company with substantially the same
investment  objective,  policies and restrictions as the Fund, not more than 10%
of the net assets of the Fund may be invested in securities  that are subject to
legal or contractual  restrictions on resale. In addition, money is not borrowed
in an amount in excess of 331/3% of the assets of the Fund.  It is intended that
money will be borrowed only from banks and only either to  accommodate  requests
for the redemption of shares while effecting an orderly liquidation of portfolio
securities or to maintain liquidity in the event of an unanticipated  failure to
complete a portfolio security transaction or other similar situations.

     As a non-fundamental  policy, up to 5% of the Fund's assets may be invested
in  repurchase  agreements  although it is the intention of the Adviser to do so
only when other means of efficiently  investing cash flows are unavailable.  All
repurchase agreement transactions are collateralized by U.S. Treasury securities
and are entered into only with "primary  dealers" (as  designated by the Federal
Reserve Bank of New York) in U.S.  Government  securities.  A shareholder of the
Fund is subject to state and local  income  taxes in most  jurisdictions  on the
portion of  dividends  received  from the Fund which is derived from income from
repurchase agreements. It is the intention of the Investment Adviser to minimize
the portion of the Fund's income which is derived from repurchase  agreements to
the extent practicable.

     The Fund is classified  as  "diversified"  under the 1940 Act,  which means
that at least 75% of its total assets is represented by cash;  securities issued
by the U.S. Government, its agencies and instrumentalities; and other securities
limited  in respect  of any one  company to an amount no greater  than 5% of the
Fund's total assets (other than securities  issued by the U.S.  Government,  its
agencies or instrumentalities).

PURCHASE OF SHARES
================================================================================

     Shares of the Fund are  offered  on a  continuous  basis at their net asset
value  without a sales  charge.  The Trust  reserves the right to determine  the
purchase  orders for Fund shares that it will accept.  Shares of the Fund may be
purchased on any day the New York Stock Exchange is open for regular trading and
New York banks are open for business if the Trust  receives  the purchase  order
and  acceptable  payment  for such  order  prior to 11:00  A.M.,  New York time.
Purchases of Fund shares are then executed at the net asset value per share next
determined  on that same day.  Dividends are earned on the day that the purchase
is executed.

     An investor who has an account with an Eligible  Institution  (see page 10)
or a Financial  Intermediary  (see page 10) may place  purchase  orders for Fund
shares  with  the  Trust   through  that  Eligible   Institution   or  Financial
Intermediary,  which  holds such  shares in its name on behalf of that  customer
pursuant  to   arrangements   made  between  that  customer  and  that  Eligible
Institution  or  Financial  Intermediary.  Each  Eligible  Institution  and each
Financial  Intermediary  may  establish  and  amend  from time to time a minimum
initial and a minimum  subsequent  purchase  requirement  for its  customers.  A
transaction  fee  may be  charged  by an  Eligible  Institution  or a  Financial
Intermediary on the purchase of Fund shares.

   An investor  who does not have an account with an Eligible  Institution  or a
Financial Intermediary must place purchase orders for Fund shares with the Trust


                                       6
<PAGE>

through the Fund's Shareholder Servicing Agent. Such an investor has such shares
held  directly  in  the  investor's  name  on the  books  of  the  Trust  and is
responsible  for arranging for the payment of the purchase  price of Fund shares
to the  Trust's  account at State  Street  Bank and Trust  Company,  the Trust's
custodian  bank.  Such payment  must be in the form of either (a) an  inter-bank
wire transfer of "available  funds" prior to 11:00 A.M., New York time, in which
case a purchase order placed prior to 11:00 A.M., New York time is executed that
day, or (b) a cashier's  check drawn on a U.S.  bank or a check  certified  by a
U.S.  bank,  in which case a purchase  order is executed  after such a check has
been converted into "available" funds, generally the next business day after the
check is received  for the Trust by State Street Bank and Trust  Company.  Brown
Brothers  Harriman  & Co.,  as  the  Fund's  Shareholder  Servicing  Agent,  has
established a minimum initial purchase  requirement for the Fund of $100,000 and
a minimum subsequent purchase requirement for the Fund of $25,000. These minimum
purchase requirements may be amended from time to time.

     Inquiries  regarding  the manner in which  purchases  of Fund shares may be
effected and other  matters  pertaining  to the Fund should be directed to Brown
Brothers Harriman & Co., the Fund's Shareholder Servicing Agent. (See back cover
for address and phone number.)

REDEMPTION OF SHARES
================================================================================

     A redemption request must be received by the Trust prior to 11:00 A.M., New
York time on any day the New York Stock Exchange is open for regular trading and
New York banks are open for  business.  Such a redemption is executed at the net
asset value per share next determined on that same day. Proceeds of a redemption
are paid in "available"  funds  generally on the day the  redemption  request is
executed, and in any event within seven days. A shareholder continues to receive
each daily dividend  declared prior to the day on which a redemption  request is
executed.

     Shares  held by an Eligible  Institution  or a  Financial  Intermediary  on
behalf of a shareholder  must be redeemed  through that Eligible  Institution or
Financial  Intermediary  pursuant to arrangements  made between that shareholder
and  that  Eligible  Institution  or  Financial  Intermediary.   Proceeds  of  a
redemption are paid to that shareholder's  account at that Eligible  Institution
or  Financial  Intermediary.  A  transaction  fee may be charged by an  Eligible
Institution or a Financial Intermediary on the redemption of Fund shares.

     Shares held directly in the name of a shareholder on the books of the Trust
may be redeemed by  submitting a  redemption  request in good order to the Trust
through the Fund's Shareholder  Servicing Agent. (See back cover for address and
phone number.)  Proceeds  resulting  from such  redemption are paid by the Trust
directly to the shareholder.

     A shareholder  redeeming shares should be aware that the net asset value of
the Fund's shares may, in unusual circumstances,  decline below $1.00 per share.
Accordingly, a redemption request may result in payment of a dollar amount which
differs from the number of shares redeemed. (See "Net Asset Value".)

                            Redemptions By the Trust

     The  Fund's  Shareholder  Servicing  Agent  (see  page 10),  each  Eligible
Institution  and each  Financial  Intermediary  (see page 10) may  establish and
amend from time to time for their  respective  customers a minimum account size.
If the value of a  shareholder's  holdings  in the Fund falls  below that amount
because of a redemption of shares,  the  shareholder's  remaining  shares may be
redeemed.  If such remaining  shares are to be redeemed,  the  shareholder is so
notified and is allowed 60 days to make an  additional  investment to enable the
shareholder to meet the minimum  requirement before the redemption is processed.
Brown Brothers  Harriman & Co., as the Fund's  Shareholder  Servicing Agent, has
established a minimum account size of $100,000.


                                       7
<PAGE>

                         Further Redemption Information
 
     In the event a shareholder  redeems all shares held in the Fund at any time
during the month,  all accrued but unpaid dividends are included in the proceeds
of the redemption and future purchases of shares of the Fund by such shareholder
would be subject to the Fund's minimum initial purchase requirements.
 
     An  investor  should  be aware  that  redemptions  from the Fund may not be
processed  if  a  completed  account   application  with  a  certified  taxpayer
identification number has not been received.

     A shareholder's right to receive payment with respect to any redemption may
be suspended or the payment of the redemption proceeds postponed for up to seven
days and for such other  periods as the 1940 Act may  permit.  (See  "Additional
Information" in the Statement of Additional Information.)

MANAGEMENT OF THE TRUST
================================================================================

                              Trustees and Officers

     The Trustees,  in addition to supervising the actions of the Administrator,
Investment Adviser and Distributor of the Fund, as set forth below,  decide upon
matters of general policy.  Because of the services rendered to the Trust by the
Investment Adviser and the Administrator, the Trust itself requires no employees
other  than  its  officers,  none of whom,  other  than  the  Chairman,  receive
compensation  from  the  Fund and all of whom,  other  than  the  Chairman,  are
employed by 59 Wall Street  Administrators.  (See "Trustees and Officers" in the
Statement of Additional Information.)

     The Trustees of the Trust are:

        J.V. Shields, Jr.
          Chairman and Chief Executive Officer of 
             Shields & Company

        Eugene P. Beard
          Vice Chairman-Finance and Operations of 
             The Interpublic Group of Companies

        David P. Feldman
          Chairman and Chief Executive Officer - AT&T 
             Investment Management Corporation

        Alan G. Lowy
          Private Investor

        Arthur D. Miltenberger
          Vice President and Chief Financial Officer of 
             Richard K. Mellon and Sons
                  
                               Investment Adviser

     The  Investment  Adviser  to the Fund is  Brown  Brothers  Harriman  & Co.,
Private Bankers, a New York limited partnership established in 1818. The firm is
subject to  examination  and  regulation by the  Superintendent  of Banks of the
State  of New York and by the  Department  of  Banking  of the  Commonwealth  of
Pennsylvania.  The firm is also subject to  supervision  and  examination by the
Commissioner of Banks of the Commonwealth of Massachusetts.

     Brown  Brothers  Harriman & Co.  provides  investment  advice and portfolio
management  services  to the Fund.  Subject to the  general  supervision  of the
Trust's Trustees,  Brown Brothers Harriman & Co. makes the day-to-day investment
decisions  for the Fund,  places the purchase and sale orders for the  portfolio
transactions of the Fund, and generally  manages the Fund's  investments.  Brown
Brothers Harriman & Co. provides a broad range of investment management services
for  customers in the United  States and abroad.  At June 30,  1997,  it managed
total assets of approximately $25 billion.

     As  compensation  for the services  rendered and related  expenses  such as
salaries of advisory  personnel borne by Brown Brothers Harriman & Co. under the
Investment Advisory  Agreement,  Brown Brothers Harriman & Co. receives from the
Fund an annual fee,  computed daily and payable  monthly,  equal to 0.15% of the
Fund's average daily net assets.  Brown Brothers Harriman & Co.


                                       8
<PAGE>

also receives an annual  administration  fee from the Fund equal to 0.10% of the
Fund's  average  daily net assets and an annual  shareholder  servicing/eligible
institution fee from the Fund equal to 0.225% of the average daily net assets of
the Fund  represented  by shares owned  during the period by customers  for whom
Brown Brothers Harriman & Co. is the holder or agent of record.

     The investment  advisory  services of Brown Brothers  Harriman & Co. to the
Fund are not exclusive  under the terms of the  Investment  Advisory  Agreement.
Brown  Brothers  Harriman & Co. is free to and does render  investment  advisory
services to others, including other registered investment companies.

     Pursuant  to a license  agreement  between  the  Trust  and Brown  Brothers
Harriman & Co. dated August 24,  1989,  as amended as of December 15, 1993,  the
Trust may continue to use in its name "59 Wall Street", the current and historic
address of Brown  Brothers  Harriman & Co. The  agreement  may be  terminated by
Brown Brothers  Harriman & Co. at any time upon written notice to the Trust upon
the  expiration or earlier  termination  of any  investment  advisory  agreement
between  the  Trust or any  investment  company  in which a series  of the Trust
invests all of its assets and Brown Brothers  Harriman & Co.  Termination of the
agreement would require the Trust to change its name and the name of the Fund to
eliminate all reference to "59 Wall Street".

     Pursuant to license  agreements  between Brown Brothers  Harriman & Co. and
each of 59 Wall Street  Administrators  and 59 Wall Street  Distributors (each a
"Licensee"),  dated June 22, 1993 and June 8, 1990, respectively,  each Licensee
may  continue to use in its name "59 Wall  Street",  the  current  and  historic
address of Brown Brothers  Harriman & Co., only if Brown Brothers Harriman & Co.
does not terminate the  respective  license  agreement,  which would require the
Licensee to change its name to eliminate all reference to "59 Wall Street".

                                  Administrator

     Brown  Brothers  Harriman & Co. acts as  Administrator  of the Trust.  (See
"Administrator" in the Statement of Additional Information.)

     In its capacity as Administrator, Brown Brothers Harriman & Co. administers
all aspects of the Trust's  operations subject to the supervision of the Trust's
Trustees except as set forth below under  "Distributor".  In connection with its
responsibilities  as  Administrator  and  at its  own  expense,  Brown  Brothers
Harriman & Co. (i) provides the Trust with the services of persons  competent to
perform such supervisory, administrative and clerical functions as are necessary
in order to provide  effective  administration  of the Trust;  (ii) oversees the
performance of administrative and professional  services to the Trust by others,
including the Fund's Custodian,  Transfer and Dividend  Disbursing Agent;  (iii)
provides  the Trust with  adequate  office  space and  communications  and other
facilities; and (iv) prepares and/or arranges for the preparation,  but does not
pay for, the periodic  updating of the Trust's  registration  statement  and the
Fund's  prospectus,  the printing of such  documents  for the purpose of filings
with the Securities and Exchange Commission and state securities administrators,
and the preparation of tax returns for the Trust and for the Fund and reports to
the Fund's shareholders and the Securities and Exchange Commission.

     For the services  rendered to the Trust and related expenses borne by Brown
Brothers  Harriman  & Co.,  as  Administrator,  Brown  Brothers  Harriman  & Co.
receives from the Fund an annual fee, computed daily and payable monthly,  equal
to 0.10% of the Fund's average daily net assets.

     Pursuant to a  Subadministrative  Services  Agreement  with Brown  Brothers
Harriman & Co., 59 Wall Street  Administrators  performs such  subadministrative
duties for the Trust as are from time to time  agreed upon by the  parties.  The
offices of 59 Wall  Street  Administrators  are located at 6 St.  James  Avenue,
Boston,  Massachusetts  02116. 59 Wall Street  Administrators  is a wholly-owned
subsidiary of Signature  Financial Group,  Inc.  ("SFG").  SFG is not affiliated
with   Brown   Brothers   Harriman   &  Co.  59  Wall   Street   Administrators'
subadministrative  duties may include providing equipment and clerical personnel
necessary for maintaining the  organization of the Trust,  participation  in the
preparation of documents


                                       9
<PAGE>

required  for  compliance  by the Trust with  applicable  laws and  regulations,
preparation  of certain  documents in  connection  with meetings of Trustees and
shareholders of the Trust, and other functions that would otherwise be performed
by the  Administrator as set forth above. For performing such  subadministrative
services,  59 Wall Street  Administrators  receives such compensation as is from
time  to  time  agreed  upon,  but  not in  excess  of the  amount  paid  to the
Administrator from the Fund.

                           Shareholder Servicing Agent

     The Trust has entered into a  shareholder  servicing  agreement  with Brown
Brothers  Harriman & Co.  pursuant  to which Brown  Brothers  Harriman & Co., as
agent for the Fund, among other things:  answers  inquiries from shareholders of
and prospective  investors in the Fund regarding account status and history, the
manner in which  purchases  and  redemptions  of Fund shares may be effected and
certain  other  matters  pertaining  to the Fund;  assists  shareholders  of and
prospective  investors in the Fund in designating and changing dividend options,
account designations and addresses;  and provides such other related services as
the Trust or a shareholder of or prospective investor in the Fund may reasonably
request.  For these  services,  Brown Brothers  Harriman & Co. receives from the
Fund an annual fee,  computed daily and payable monthly,  equal to 0.225% of the
average  daily net assets of the Fund  represented  by shares  owned  during the
period for which payment was being made by  shareholders  who did not hold their
shares with an Eligible Institution.

                            Financial Intermediaries

     From time to time,  the Fund's  Shareholder  Servicing  Agent  enters  into
contracts with banks,  brokers and other  financial  intermediaries  ("Financial
Intermediaries")  pursuant to which a customer of the Financial Intermediary may
place purchase orders for Fund shares through that Financial  Intermediary which
holds  such  shares  in its name on behalf of that  customer.  Pursuant  to such
contract,  each Financial  Intermediary as agent with respect to shareholders of
and  prospective  investors  in the Fund  who are  customers  of that  Financial
Intermediary, among other things: provides necessary personnel and facilities to
establish and maintain certain  shareholder  accounts and records enabling it to
hold,  as agent,  its  customers'  shares in its name or its nominee name on the
shareholder records of the Trust;  assists in processing purchase and redemption
transactions;  arranges for the wiring of funds; transmits and receives funds in
connection  with  customer  orders to  purchase  or  redeem  shares of the Fund;
provides periodic  statements  showing a customer's  account balance and, to the
extent  practicable,  integrates such information  with  information  concerning
other customer  transactions  otherwise  effected with or through it; furnishes,
either  separately  or on an  integrated  basis  with  other  reports  sent to a
customer,  monthly and annual  statements and confirmations of all purchases and
redemptions of Fund shares in a customer's account;  transmits proxy statements,
annual reports,  updated prospectuses and other communications from the Trust to
its  customers;  and  receives,  tabulates  and  transmits to the Trust  proxies
executed by its customers with respect to meetings of  shareholders of the Fund.
For these  services,  the  Financial  Intermediary  receives  such fees from the
Shareholder  Servicing Agent as may be agreed upon from time to time between the
Shareholder Servicing Agent and such Financial Intermediary.

                              Eligible Institutions

     The Trust enters into eligible  institution  agreements with banks, brokers
and other financial institutions pursuant to which that financial institution as
agent for the Trust with respect to shareholders of and prospective investors in
the Fund who are  customers of that  financial  institution  among other things:
provides  necessary  personnel and facilities to establish and maintain  certain
shareholder  accounts and records  enabling it to hold, as agent, its customers'
shares in its name or its nominee name on the shareholder  records of the Trust;
assists in processing  purchase and  redemption  transactions;  arranges for the
wiring of funds; transmits and receives funds in connection with customer orders
to purchase or redeem shares of the Fund; provides periodic statements showing a
customer's  account  balance  and, to the extent  practicable,  integrates  such
information with information  concerning other customer  transactions  otherwise
effected with or


                                       10
<PAGE>

through it;  furnishes,  either  separately or on an integrated basis with other
reports sent to a customer,  monthly and annual  statements and confirmations of
all purchases and redemptions of Fund shares in a customer's account;  transmits
proxy statements,  annual reports, updated prospectuses and other communications
from the Trust to its  customers;  and receives,  tabulates and transmits to the
Trust proxies executed by its customers with respect to meetings of shareholders
of the Fund. For these services,  each financial  institution  receives from the
Fund an annual fee,  computed daily and payable monthly,  equal to 0.225% of the
average  daily net assets of the Fund  represented  by shares  owned  during the
period for which  payment  was being made by  customers  for whom the  financial
institution was the holder or agent of record.
                                   
                                  Distributor

     59 Wall Street Distributors acts as exclusive  Distributor of shares of the
Fund. Its office is located at 6 St. James Avenue, Boston,  Massachusetts 02116.
59 Wall Street  Distributors  is a  wholly-owned  subsidiary of SFG. SFG and its
affiliates currently provide  administration and distribution services for other
registered  investment companies.  The Trust pays for the preparation,  printing
and  filing of copies  of the  Trust's  registration  statement  and the  Fund's
prospectus  as  required  under  federal  and  state   securities   laws.   (See
"Distributor" in the Statement of Additional Information.)

     59 Wall Street  Distributors  holds itself  available  to receive  purchase
orders for Fund shares.

                             Custodian, Transfer and
                            Dividend Disbursing Agent

     State Street Bank and Trust Company  ("State  Street" or the  "Custodian"),
225 Franklin Street,  P.O. Box 351, Boston,  Massachusetts  02110, is the Fund's
Custodian,   Transfer  and  Dividend  Disbursing  Agent.  As  Custodian,  it  is
responsible  for  maintaining   books  and  records  of  the  Fund's   portfolio
transactions and holding the Fund's portfolio  securities and cash pursuant to a
custodian  agreement with the Trust. Cash is held for the Fund in demand deposit
accounts at the Custodian. Subject to the supervision of the Administrator,  the
Custodian maintains the Fund's accounting and portfolio  transaction records and
for each day  computes  the Fund's net asset value,  net  investment  income and
dividend  payable.  As Transfer and Dividend  Disbursing Agent it is responsible
for maintaining the books and records detailing ownership of the Fund's shares.

                              Independent Auditors

     Deloitte & Touche LLP are the independent auditors for the Fund.

NET ASSET VALUE                                               
================================================================================

     The Fund's net asset value per share is determined once daily at 4:00 P.M.,
New York  time on each  day the New  York  Stock  Exchange  is open for  regular
trading and New York banks are open for business.
   
     The  determination  of the  Fund's  net  asset  value  per share is made by
subtracting  from the  value of the total  assets of the Fund the  amount of its
liabilities  and  dividing  the  difference  by the number of shares of the Fund
outstanding at the time the  determination  is made. It is anticipated  that the
net  asset  value  per  share of the Fund will  remain  constant  at  $1.00.  No
assurance can be given that this goal can be achieved.

     The  Portfolio's  assets are valued by using the  amortized  cost method of
valuation.  This method  involves  valuing a security at its cost at the time of
purchase  and  thereafter  assuming a constant  amortization  to maturity of any
discount or premium,  regardless of the impact of fluctuating  interest rates on
the market value of the  instrument.  The market  value of the Fund's  portfolio
securities  fluctuates  on the basis of the  creditworthiness  of the issuers of
such  securities  and on the  levels  of  interest  rates  generally.  While the
amortized cost method provides certainty in valuation,  it may result in periods
when the value so  determined  is higher or lower  than the price the Fund would
receive if the security  were sold.  (See "Net Asset Value" in the  Statement of
Additional Information.)


                                       11
<PAGE>

DIVIDENDS AND DISTRIBUTIONS
================================================================================

     All the Fund's net income and short-term  capital gains and losses, if any,
are declared as a dividend daily and paid monthly.

     Net income of the Fund  consists  of (i)  accrued  interest,  accretion  of
discount and amortization of premium,  (ii) plus net short-term capital gains or
losses realized on sales of portfolio securities of the Fund, and (iii) less the
accrued expenses of the Fund applicable to that dividend period. (See "Net Asset
Value".)

     Determination  of the Fund's net  income is made  immediately  prior to the
determination  of the net asset  value per share at 4:00 P.M.,  New York time on
each day the New York Stock  Exchange is open for  regular  trading and New York
banks are open for  business.  Net income for days other than such business days
is  determined  as of 4:00  P.M.,  New York  time on the  immediately  preceding
business day.  Dividends  declared are payable to  shareholders of record on the
date of determination.  Shares purchased through submission of a purchase order,
prior to 11:00 A.M., New York time on such business day begin earning  dividends
on that  business  day.  Shares  redeemed  do not  qualify for a dividend on the
business day that the redemption is executed. (See "Redemption of Shares".)

     Unless a shareholder  whose shares are held  directly in the  shareholder's
name on the books of the Trust elects to have dividends paid in cash,  dividends
are automatically  reinvested in additional Fund shares without reference to the
minimum  subsequent  purchase  requirement.  Such shareholder who elects to have
dividends paid in cash receives a check in the amount of such dividends.  In the
event a  shareholder  redeems all shares held at any time during the month,  all
accrued but unpaid  dividends are included in the proceeds of the redemption and
future  purchases of shares by such  shareholder  will be subject to the minimum
initial  purchase  requirements.  The Trust  reserves the right to  discontinue,
alter or limit  the  automatic  reinvestment  privilege  at any  time,  but will
provide shareholders prior written notice of any such discontinuance, alteration
or limitation.

     Each Eligible Institution and each Financial Intermediary may establish its
own policy with respect to the  reinvestment  of dividends  in  additional  Fund
shares.

TAXES
================================================================================

     Each year, the Trust intends to continue to qualify the Fund and elect that
the Fund be treated  as a  separate  "regulated  investment  company"  under the
Internal Revenue Code of 1986, as amended.  Accordingly, the Fund is not subject
to federal  income taxes on its net income and  realized net capital  gains that
are distributed to its shareholders.  A 4% non-deductible  excise tax is imposed
on the Fund to the extent that certain  distribution  requirements  for the Fund
for each  calendar  year are not met. The Trust intends to continue to meet such
requirements.

     Dividends of net income (as defined under  "Dividends  and  Distributions")
and net short-term  capital gains,  if any, are taxable to  shareholders  of the
Fund as ordinary  income,  whether such dividends are paid in cash or reinvested
in   additional   shares.   These   distributions   are  not  eligible  for  the
dividends-received deduction allowed to corporate shareholders.

   Under U.S. Treasury regulations,  the Trust and each Eligible Institution are
required to withhold and remit to the U.S. Treasury a portion (31%) of dividends
and capital gains  distributions on the accounts of those  shareholders who fail
to provide a correct taxpayer  identification number (Social Security Number for
individuals)  or to make required  certifications,  or who have been notified by
the  Internal  Revenue  Service  that  they are  subject  to such  withholdings.
Prospective investors should submit an IRS Form W-9 to avoid such withholding.

                              State and Local Taxes

     Assets  of the  Fund  are  invested  in  direct  obligations  of  the  U.S.
Government, the interest from which is


                                       12
<PAGE>
 
specifically  exempted  from state and local income taxes when held  directly by
taxpayers.  All states by  legislation  or  regulation  allow the  character  of
interest  income from direct  obligations of the U.S.  Government  received by a
regulated  investment company organized as a series of a Massachusetts  business
trust, such as the Fund, to pass through to shareholders. However, a shareholder
of the Fund is subject to state and local income taxes in most  jurisdictions on
the portion of  dividends  received  from the Fund which is derived  from income
from  repurchase  agreements.  It is the intention of the Investment  Adviser to
minimize  the  portion of the Fund's  income  which is derived  from  repurchase
agreements to the extent  practicable.  The Trust intends to advise shareholders
of the  proportion  of the Fund's  dividends  which is derived from  interest on
direct obligations of the U.S. Government.

     Dividends  paid from the Fund which are  derived  from  interest  on direct
obligations  of the U.S.  Government  are  generally  expected to be exempt from
income taxation in the District of Columbia and the following states:

   Alabama                Louisiana                 North Dakota      
   Arizona                Maine                     Ohio
   Arkansas               Maryland                  Oklahoma
   Colorado               Massachusetts             Oregon
   Delaware               Michigan                  Pennsylvania
   Dist. Columbia         Minnesota                 Rhode Island
   Georgia                Missouri                  South Carolina
   Hawaii                 Mississippi               Tennessee
   Idaho                  Montana                   Utah
   Illinois               Nebraska                  Vermont
   Indiana                New Hampshire             Virginia
   Iowa                   New Jersey                West Virginia
   Kansas                 New Mexico                Wisconsin.
   Kentucky               North Carolina      
                                        
     Such dividends are also generally expected to be so exempt in the following
states provided that a certain  minimum  percentage of the Fund's assets consist
of direct  obligations of the U.S.  Government.  It is the Trust's  intention to
meet these minimum percentage requirements, none of which is greater than 80%.

   California             Connecticut               New York.
                                   
         There is currently no state income tax in the following states:

   Alaska                 South Dakota              Washington
   Florida                Texas                     Wyoming.
   Nevada

     Shareholders are urged to consult their tax advisors regarding the possible
exclusion  for state and local  income tax  purposes of the portion of dividends
paid from the Fund which is derived from interest on direct  obligations  of the
U.S. Government.
                   
                                Foreign Investors

     The Fund is designed for  investors  who are either  citizens of the United
States or aliens subject to United States income tax. Prospective  investors who
are not citizens of the United  States and who are not aliens  subject to United
States  income tax are subject to United  States  withholding  tax on the entire
amount of all dividends. Therefore, such investors should not invest in the Fund
since alternative  investments in money market  instruments would not be subject
to United States withholding tax.

                                Other Information

     Annual notification as to the tax status of capital gains distributions, if
any, is provided to  shareholders  shortly  after June 30, the end of the Fund's
fiscal year. Additional tax information is mailed to shareholders in January.

     This tax  discussion is based on the tax laws and  regulations in effect on
the date of this  Prospectus,  however such laws and  regulations are subject to
change.  Shareholders  and prospective  investors are urged to consult their tax
advisors   regarding   specific   questions   relevant   to   their   particular
circumstances.


                                       13
<PAGE>

DESCRIPTION OF SHARES                                                           
================================================================================

     The Trust is an open-end management investment company organized on June 7,
1983, as an unincorporated  business trust under the laws of the Commonwealth of
Massachusetts.   Its  offices  are  located  at  6  St.  James  Avenue,  Boston,
Massachusetts 02116; its telephone number is (617) 423-0800.

     Pursuant to the Trust's  Declaration of Trust, the Trustees have authorized
the issuance of an unlimited number of full and fractional shares of each series
of the Trust,  one of which is the Fund.  The Trustees may divide or combine the
shares into a greater or lesser number of shares  without  thereby  changing the
proportionate beneficial interest in the Trust and may authorize the creation of
additional  series  of  shares,  the  proceeds  of which  would be  invested  in
separate,  independently  managed portfolios.  Currently there are two series in
addition to the Fund.

     The Trustees themselves have the power to alter the number and the terms of
office of the Trustees,  to lengthen their own terms,  or to make their terms of
unlimited duration subject to certain removal  procedures,  and to appoint their
own  successors;  provided  that at least  two-thirds  of the Trustees have been
elected by the shareholders.

     Each share of the Fund  represents  an equal  proportional  interest in the
Fund with each other  share.  Upon  liquidation  of the Fund,  shareholders  are
entitled  to  share  pro  rata in the  net  assets  of the  Fund  available  for
distribution to shareholders.

     Shareholders  of the Fund are  entitled  to a full vote for each full share
held and to a  fractional  vote for  fractional  shares.  The  voting  rights of
shareholders are not cumulative. Shares have no preemptive or conversion rights.
The rights of redemption are described elsewhere herein.  Shares when issued are
fully paid and nonassessable,  except as set forth below. It is the intention of
the Trust not to hold meetings of shareholders  annually.  The Trustees may call
meetings of  shareholders  for action by shareholder  vote as may be required by
the 1940 Act or as may be  permitted  by the  Declaration  of Trust or  By-Laws.
Shareholders  have under  certain  circumstances  (e.g.,  upon  application  and
submission of certain specified  documents to the Trustees by a specified number
of shareholders) the right to communicate with other  shareholders in connection
with  requesting  a meeting of  shareholders  for the purpose of removing one or
more Trustees.  Shareholders  also have the right to remove one or more Trustees
without  a  meeting  by a  declaration  in  writing  by a  specified  number  of
shareholders.

     The By-Laws of the Trust provide that the presence in person or by proxy of
the  holders  of record of one half of the  shares of the Fund  outstanding  and
entitled  to vote  thereat  shall  constitute  a quorum at all  meetings of Fund
shareholders,  except as  otherwise  required  by  applicable  law.  The By-Laws
further  provide that all questions  shall be decided by a majority of the votes
cast at any such  meeting  at which a quorum is  present,  except  as  otherwise
required by applicable law.

     The  Declaration of Trust provides that, at any meeting of  shareholders of
the  Fund,  each  Eligible  Institution  may vote any  shares  as to which  that
Eligible  Institution  is the  agent of  record  and  which  are  otherwise  not
represented in person or by proxy at the meeting,  proportionately in accordance
with the votes  cast by  holders  of all  shares  otherwise  represented  at the
meeting in person or by proxy as to which that Eligible Institution is the agent
of record. Any shares so voted by an Eligible Institution are deemed represented
at the meeting for purposes of quorum requirements.

     The  Trust is an  entity  of the type  commonly  known as a  "Massachusetts
business trust". Under Massachusetts law,  shareholders of such a business trust
may, under certain circumstances,  be held personally liable as partners for its
obligations. However, the risk of a shareholder incurring financial loss because
of shareholder  liability is limited to  circumstances  in which both inadequate
insurance existed and the Trust itself was unable to meet its obligations.


                                       14
<PAGE>

ADDITIONAL INFORMATION
================================================================================

     As used in this  Prospectus,  the term "majority of the Fund's  outstanding
voting  securities" (as defined in the 1940 Act) currently means the vote of (i)
67% or more of the Fund's  shares  present at a meeting,  if the holders of more
than 50% of the outstanding  voting securities of the Fund are present in person
or represented by proxy; or (ii) more than 50% of the Fund's  outstanding voting
securities, whichever is less.

     Fund  shareholders   receive  semi-annual   reports  containing   unaudited
financial  statements and annual reports containing financial statements audited
by independent auditors.

     The Fund's "yield" and  "effective  yield" may be used from time to time in
shareholder  reports or other  communications  to  shareholders  or  prospective
investors.  Both yield  figures  are based on  historical  earnings  and are not
intended to indicate future performance. Performance information may include the
Fund's  investment  results  and/or  comparisons  of its  investment  results to
various  unmanaged  indexes (such as the 1-month LIBOR) and to  investments  for
which reliable performance data is available.  Performance  information may also
include  comparisons  to  averages,  performance  rankings or other  information
prepared  by  recognized  mutal fund  statistical  services.  To the extent that
unmanaged indexes are so included, the same indexes will be used on a consistent
basis.  The  Fund's  investment  results  as  used in  such  communications  are
calculated in the manner set forth below.

     The "yield" of the Fund refers to the income  generated by an investment in
the Fund over a seven-day  period (which period will be stated).  This income is
then  "annualized".  That is, the amount of income  generated by the  investment
during that week is assumed to be generated  each week over a 52-week period and
is shown as a percentage of the investment.  The "effective yield" is calculated
similarly but, when  annualized,  the income earned by an investment in the Fund
is assumed to be reinvested.  The "effective  yield" is slightly higher than the
"yield" because of the compounding effect of this assumed reinvestment.

     This Prospectus omits certain of the information contained in the Statement
of  Additional  Information  and  the  Registration  Statement  filed  with  the
Securities and Exchange Commission.  The Statement of Additional Information may
be obtained from 59 Wall Street Distributors without charge and the Registration
Statement  may be obtained  from the  Securities  and Exchange  Commission  upon
payment of the fee prescribed by the Rules and Regulations of the Commission.


                                       15
<PAGE>

The 59 Wall Street Trust

Investment Adviser and
  Administrator
Brown Brothers Harriman & Co.
59 Wall Street
New York, New York  10005

Distributor
59 Wall Street Distributors, Inc.
6 St. James Avenue
Boston, Massachusetts  02116

Shareholder Servicing Agent
Brown Brothers Harriman & Co.
59 Wall Street
New York, New York  10005
(800) 625-5759


     No dealer,  salesman or any other  person has been  authorized  to give any
information or to make any  representations,  other than those contained in this
Prospectus and the Statement of Additional  Information,  in connection with the
offer contained in this Prospectus, and if given or made, such other information
or  representations  must not be relied  upon as having been  authorized  by the
Trust or the  Distributor.  This  Prospectus does not constitute an offer by the
Trust or by the Distributor to sell or the  solicitation of any offer to buy any
of the securities offered hereby in any jurisdiction to any person to whom it is
unlawful  for  the  Trust  or  the  Distributor  to  make  such  offer  in  such
jurisdiction.


















<PAGE>
                       STATEMENT OF ADDITIONAL INFORMATION


                   THE 59 WALL STREET U.S. TREASURY MONEY FUND

                 6 ST. JAMES AVENUE, BOSTON, MASSACHUSETTS 02116

         The 59 Wall Street U.S. Treasury Money Fund (the "Fund") is a separate
portfolio of The 59 Wall Street Trust (the "Trust"), a management investment
company registered under the Investment Company Act of 1940, as amended (the
"1940 Act"). The Fund is a type of mutual fund commonly known as a money market
fund. The Fund is designed to be a cost effective and convenient means of making
substantial investments in money market instruments. The Fund's investment
objective is to achieve as high a level of current income as is consistent with
the preservation of capital and the maintenance of liquidity. There can be no
assurance that the investment objective of the Fund will be achieved.

         The Trust pursues the investment objective of the Fund by investing in
short-term obligations backed as to principal and interest payments by the full
faith and credit of the United States of America. Although investments held for
the Fund are issued by the U.S. Government, an investment in the Fund is not
insured or guaranteed by the U.S.
Government.

   
         Brown Brothers Harriman & Co. is the investment adviser of the Fund
(the "Investment Adviser"). This Statement of Additional Information is not a
prospectus and should be read in conjunction with the Prospectus dated November
1, 1997, a copy of which may be obtained from the Trust at the address noted
above.
    

                                TABLE OF CONTENTS

   
                                                             CROSS-REFERENCE TO
                                            PAGE             PAGE IN PROSPECTUS

Investment Objective and Policies            2                   4-5
Investment Restrictions                      3                     6
Trustees and Officers                        5                     8
Investment Adviser                           8                   8-9
Administrators                               9                     9
Distributor                                  9                    11
Net Asset Value                             10                    12
Computation of Performance                  11                    15
Federal Taxes                               12                 12-13
Massachusetts Trust                         12                    14
Portfolio Transactions                      14                     5
Additional Information                      15                    15
Financial Statements                        16                     4
    
   
             THE DATE OF THIS STATEMENT OF ADDITIONAL INFORMATION IS
                               NOVEMBER 1, 1997.
    


<PAGE>



INVESTMENT OBJECTIVE AND POLICIES

         The following supplements the information contained in the Prospectus
concerning the investment objective, policies and techniques of the Fund.

         TREASURY RECEIPTS. Assets of the Fund are not invested in stripped
securities issued by any entity other than the U.S. Treasury.

         REPURCHASE AGREEMENTS. Repurchase agreements may be entered into only
with a "primary dealer" (as designated by the Federal Reserve Bank of New York)
in U.S. Government securities. This is an agreement in which the seller (the
"Lender") of a security agrees to repurchase from the Fund the security sold at
a mutually agreed upon time and price. As such, it is viewed as the lending of
money to the Lender. The resale price normally is in excess of the purchase
price, reflecting an agreed upon interest rate. The rate is effective for the
period of time assets of the Fund are invested in the agreement and is not
related to the coupon rate on the underlying security. The period of these
repurchase agreements is usually short, from overnight to one week, and at no
time will assets of the Fund be invested in a repurchase agreement with a
maturity of more than one year. The securities which are subject to repurchase
agreements, however, may have maturity dates in excess of one year from the
effective date of the repurchase agreement. The Fund always receives as
collateral securities which are issued or guaranteed by the U.S. Government, its
agencies or instrumentalities. Collateral is marked to the market daily and have
a market value including accrued interest at least equal to 100% of the dollar
amount invested on behalf of the Fund in each agreement along with accrued
interest. Payment for such securities is made for the Fund only upon physical
delivery or evidence of book entry transfer to the account of State Street Bank
and Trust Company (the "Custodian"). If the Lender defaults, the Fund might
incur a loss if the value of the collateral securing the repurchase agreement
declines and might incur disposition costs in connection with liquidating the
collateral. In addition, if bankruptcy proceedings are commenced with respect to
the Lender, realization upon the collateral on behalf of the Fund may be delayed
or limited in certain circumstances. A repurchase agreement with more than seven
days to maturity may not be entered into for the Fund if, as a result, more than
10% of the market value of the Fund's total assets would be invested in such
repurchase agreements together with any other investment being held for the Fund
for which market quotations are not readily available.

         REVERSE REPURCHASE AGREEMENTS. Reverse repurchase agreements may also
be entered into for the Fund, although the current intention is not to do so.

         LOANS OF PORTFOLIO SECURITIES. Securities of the Fund may be loaned if
such loans would be secured continuously by cash or equivalent collateral or by
an irrevocable letter of credit in favor of the Fund at least equal at all times
to 100% of the market value of the securities loaned plus accrued income. While
such securities are on loan, the borrower pays the Fund any income accruing
thereon, and cash collateral may be invested for the Fund,

                                                         2

<PAGE>



thereby earning additional income. All or any portion of interest earned on
invested collateral may be paid to the borrower. Loans are subject to
termination by the Trust in the normal settlement time, currently three business
days after notice, or by the borrower on one day's notice. Borrowed securities
are returned when the loan is terminated. Any appreciation or depreciation in
the market price of the borrowed securities which occurs during the term of the
loan inures to the Fund and its shareholders. Reasonable finders' and custodial
fees may be paid in connection with a loan. In addition, all facts and
circumstances, including the creditworthiness of the borrowing financial
institution, are considered before a loan is made and no loan is made in excess
of one year. There is the risk that a borrowed security may not be returned to
the Fund. Securities of the Fund are not loaned to Brown Brothers Harriman & Co.
or to any affiliate of the Trust or Brown Brothers Harriman & Co.

INVESTMENT RESTRICTIONS

   
         The Fund is operated under the following investment restrictions which
are deemed fundamental policies and may be changed only with the approval of the
holders of a "majority of the Fund's outstanding voting securities" (as defined
in the 1940 Act) (see "Additional Information").
    

         Except that the Trust may invest all of the Fund's assets in an
open-end investment company with substantially the same investment objective,
policies and restrictions as the Fund, the Trust, with respect to the Fund, may
not:

   
         (1) borrow money or mortgage or hypothecate its assets, except that in
an amount not to exceed 1/3 of the current value of its net assets, it may
borrow money as a temporary measure for extraordinary or emergency purposes and
enter into repurchase agreements, and except that it may pledge, mortgage or
hypothecate not more than 1/3 of such assets to secure such borrowings (it is
intended that money be borrowed only from banks and only either to accommodate
requests for the redemption of Fund shares while effecting an orderly
liquidation of portfolio securities or to maintain liquidity in the event of an
unanticipated failure to complete a portfolio security transaction or other
similar situations) or reverse repurchase agreements, and except that assets may
be pledged to secure letters of credit solely for the purpose of participating
in a captive insurance company sponsored by the Investment Company Institute;
    

         (2) purchase any security or evidence of interest therein on margin,
except that such short-term credit as may be necessary for the clearance of
purchases and sales of securities may be obtained;

         (3) write, purchase or sell any put or call option or any combination
thereof;


                                                         3

<PAGE>



   
         (4) underwrite securities issued by other persons except insofar as it
may technically be deemed an underwriter under the Securities Act of 1933, as
amended in selling a portfolio security;
    

         (5) make loans to other persons except (a) through the lending of its
portfolio securities and provided that any such loans not exceed 30% of its
total assets (taken at market value), (b) through the use of repurchase
agreements or the purchase of short-term obligations and provided that not more
than 10% of its total assets are invested in repurchase agreements maturing in
more than seven days, or (c) by purchasing, subject to the limitation in
paragraph 6 below, a portion of an issue of debt securities of types commonly
distributed privately to financial institutions, for which purposes the purchase
of a portion of an issue of debt securities which are part of an issue to the
public shall not be considered the making of a loan;

         (6) knowingly invest in securities which are subject to legal or
contractual restrictions on resale (other than repurchase agreements maturing in
not more than seven days) if, as a result thereof, more than 10% of the its
total assets (taken at market value) would be so invested (including repurchase
agreements maturing in more than seven days);

         (7) purchase or sell real estate (including limited partnership
interests but excluding securities secured by real estate or interests therein),
interests in oil, gas or mineral leases, commodities or commodity contracts in
the ordinary course of business (the freedom of action to hold and to sell real
estate acquired as a result of the ownership of securities is reserved);

         (8) make short sales of securities or maintain a short position, unless
at all times when a short position is open it 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 and equal in amount
to, the securities sold short, and unless not more than 10% of its net assets
(taken at market value) is represented by such securities, or securities
convertible into or exchangeable for such securities, at any one time (it is the
present intention of management to make such sales only for the purpose of
deferring realization of gain or loss for federal income tax purposes);

         (9) concentrate its investments in any particular industry, but if it
is deemed appropriate for the achievement of its investment objective, up to 25%
of its assets, at market value at the time of each investment, may be invested
in any one industry; or

         (10) issue any senior security (as that term is defined in the 1940
Act) if such issuance is specifically prohibited by the 1940 Act or the rules
and regulations promulgated thereunder.

         STATE AND FEDERAL RESTRICTIONS. In order to comply with certain state
and federal statutes and policies the Fund may not as a matter of operating
policy (except that the Fund

                                                         4

<PAGE>



   
may invest all of the Fund's assets in an open-end investment company with
substantially the same investment objective, policies and restrictions as the
Fund): (i) purchase securities of any investment company if such purchase at the
time thereof would cause more than 10% of its total assets (taken at the greater
of cost or market value) to be invested in the securities of such issuers or
would cause more than 3% of the outstanding voting securities of any such issuer
to be held; or (ii) invest more than 10% of its net assets (taken at the greater
of cost or market value) in restricted securities. These policies are not
fundamental and may be changed without shareholder approval in response to
changes in the various state and federal requirements.
    

         PERCENTAGE AND RATING RESTRICTIONS. If a percentage or rating
restriction on investment or utilization of assets set forth above or referred
to in the Prospectus is adhered to at the time an investment is made or assets
are so utilized, a later change in percentage resulting from changes in the
value of the portfolio securities or a later change in the rating of a portfolio
security is not considered a violation of policy.



                                                         5

<PAGE>

                             TRUSTEES AND OFFICERS


   
         The Trustees and executive officers of the Trust, their principal
occupations during the past five years (although their titles may have varied
during the period) and business addresses are:
    

                              TRUSTEES OF THE TRUST

   
         J.V. SHIELDS, JR.* - Chairman of the Board and Trustee; Director of The
59 Wall Street Fund, Inc.; Managing Director, Chairman and Chief Executive
Officer of Shields & Company; Chairman and Chief Executive Officer of Capital
Management Associates, Inc.; Director of Flowers Industries, Inc.(1) His
business address is Shields & Company, 140 Broadway, New York, NY 10005.
    

         EUGENE P. BEARD** - Trustee; Director of The 59 Wall Street Fund, Inc.
(since April 1993); and Vice Chairman - Finance and Operations of The
Interpublic Group of Companies. His business address is The Interpublic Group of
Companies, Inc., 1271 Avenue of the Americas, New York, NY 10020.

   
         DAVID P. FELDMAN** - Trustee; Director of The 59 Wall Street Fund,
Inc.; Retired; Chairman and Chief Executive Officer - AT&T Investment Management
Corporation; Director of Dreyfus Mutual Funds, Equity Fund of Latin America, New
World Balanced Fund, India Magnum Fund, and U.S. Prime Properties Inc.; Trustee
of Corporate Property Investors. His business address is 3 Tall Oaks Drive,
Warren, NJ 07059.

         ALAN G. LOWY** - Trustee; Director of The 59 Wall Street Fund, Inc.
(since April 1993); Secretary of the Los Angeles County Board of Investments
(prior to March 1995). His business address is 4111 Clear Valley Drive, Encino,
CA 91436.

         ARTHUR D. MILTENBERGER** - Trustee; Director of The 59 Wall Street
Fund, Inc.; Vice President and Chief Financial Officer of Richard K. Mellon and
Sons; Treasurer of Richard King Mellon Foundation; Director of Vought Aircraft
Corporation (prior to September 1994), Caterair International (prior to April
1994); Member of Advisory Committee of Carlyle Group and Pittsburgh Seed Fund
and Valuation Committee of Morgenthaler Venture Funds(2). His business address
is Richard K. Mellon and Sons, P.O. Box RKM, Ligonier, PA 15658.
    

                              OFFICERS OF THE TRUST

         PHILIP W. COOLIDGE - President; Chief Executive Officer and President
of Signature Financial Group, Inc. ("SFG"), 59 Wall Street Distributors, Inc.
("59 Wall Street Distributors") and 59 Wall Street Administrators, Inc. ("59
Wall Street Administrators") (since June 1993).

                                                         6

<PAGE>




         JAMES E. HOOLAHAN - Vice President; Senior Vice President of SFG.

         JOHN R. ELDER - Treasurer; Vice President of SFG (since April 1995);
Treasurer of Phoenix Family of Funds (prior to April 1995).

   
         LINDA T. GIBSON - Secretary, Vice President and Assistant Secretary of
SFG (since June 1991); Assistant Secretary of 59 Wall Street Distributors and 59
Wall Street Administrators (since June 1993).
    

         MOLLY S. MUGLER - Assistant Secretary; Legal Counsel and Assistant
Secretary of SFG; Assistant Secretary of 59 Wall Street Distributors and 59 Wall
Street Administrators (since June 1993).

   
         CHRISTINE A. DRAPEAU - Assistant Secretary; Assistant Vice President of
SFG (since January 1996); Paralegal and Compliance Officer, various financial
companies (July 1992 to January 1996); Graduate Student, Bentley College (prior
to December 1994).
    
- ----------------------

*     Mr. Shields is an "interested person" of the Trust because of his 
      affiliation with a registered broker-dealer.

**    These Trustees are members of the Audit Committee of the Trust.

(1)   Shields & Company, Capital Management Associates, Inc. and Flowers 
      Industries, Inc., with which Mr. Shields is associated, are a registered 
      broker-dealer and a member of the New York Stock Exchange, a registered 
      investment adviser, and a diversified food company, respectively.

   
(2)   Richard K. Mellon and Sons, Richard King Mellon Foundation, Vought
      Aircraft Corporation, Caterair International, The Carlyle Group and
      Morgenthaler Venture Funds, with which Mr. Miltenberger is or has been
      associated, are a private foundation, a private foundation, a business
      development firm, an aircraft manufacturer, an airline food services
      company, a merchant bank, and a venture capital partnership, respectively.

         Each Trustee and officer listed above holds the equivalent position
with The 59 Wall Street Fund, Inc. The address of each officer is 6 St. James
Avenue, Boston, Massachusetts 02116. Messrs. Coolidge, Hoolahan, and Elder, and
Mss. Gibson, Mugler and Drapeau also hold similar positions with other
investment companies for which affiliates of 59 Wall Street Distributors serve
as the principal underwriter.
    

         Except for Mr. Shields, no Trustee is an "interested person" of the
Trust as that term is defined in the 1940 Act.


                                                         7

<PAGE>



      The Trustees of the Trust receive a base annual fee of $15,000 (except the
Chairman who receives a base annual fee of $20,000) which is paid jointly by all
series of the Trust and The 59 Wall Street Fund, Inc. and allocated among the
series based upon their respective net assets. In addition, each series which
has commenced operations pays an annual fee to each Trustee of $1,000.

   
<TABLE>
<CAPTION>
<S>                         <C>                        <C>              <C>               <C>    
                                                       
                                                     Pension or                            Total
                                                     Retirement                            Compensation
                           Aggregate                 Benefits Accrued  Estimated Annual    from the Trust
Name of Person,            Compensation              as Part of        Benefits upon       and Fund Complex*
POSITION                   FROM THE TRUST            FUND EXPENSES     RETIREMENT          PAID TO TRUSTEES
- --------------            --------------            ----------------  ----------------    ----------------

J.V. Shields, Jr.,         $17,646                   none                  none                $30,000
Trust

Eugene P. Beard,           $13,985                   none                  none                 25,000
Trustee

David P. Feldman,          $13,985                   none                  none                 25,000
Trustee

Alan G. Lowy,              $13,985                  none                  none                  25,000
Trustee

Arthur D. Miltenberger,    $13,985                 none                   none                  25,000
Trustee

<FN>


* The Fund Complex consists of the Trust and The 59 Wall Street Fund, Inc. 
which currently consists of seven series.
</FN>
</TABLE>

    

      By virtue of the responsibilities assumed by Brown Brothers Harriman & Co.
under the Investment Advisory Agreement and the Administration Agreement (see
"Investment Adviser" and "Administrator"), the Trust itself requires no
employees other than its officers, and none of its officers devote full time to
the affairs of the Trust or, other than the Chairman, receive any compensation
from the Fund.



                                                                 8

<PAGE>



   
      As of September 30, 1997, the Trust's Trustees and officers as a group
owned less than 1% of the Fund's outstanding shares of the Trust. At the close
of business on that date, no person, to the knowledge of management, owned
beneficially more than 5% of the outstanding shares of the Fund except American
Saw and Manufacturing Co. owned 8,681,244 (5.62%) c/o Brown Brothers Harriman &
Co., 59 Wall Street, New York, New York 10005 and BBH Trust Company of Texas
Penelope S. More and Christopher J. Straus Co. - Trustees and Thomas H. Clynes
Jr. California Ancillary Trustee of the Robert K. Straus Trust owned 11,466,178
(7.42%) shares of the Fund c/o Brown Brothers Harriman Trust Company of Texas,
2001 Ross Avenue, Dallas, Texas 75201. As of that date, the Partners of Brown
Brothers Harriman & Co. and their immediate families owned 908,558 (0.58%)
shares of the Fund. Brown Brothers Harriman & Co. and its affiliates separately
were able to direct the disposition of an additional 31,702,602 (20.51%) shares
of the Fund, as to which Brown Brothers Harriman & Co. disclaims beneficial
ownership.
    

INVESTMENT ADVISER

      Under its Investment Advisory Agreement with the Trust, subject to the
general supervision of the Trust's Trustees and in conformance with the stated
policies of the Fund, Brown Brothers Harriman & Co. provides investment advice
and portfolio management services to the Fund. In this regard, it is the
responsibility of Brown Brothers Harriman & Co. to make the day-to-day
investment decisions for the Fund, to place the purchase and sale orders for
portfolio transactions of the Fund and to manage, generally, the Fund's
investments.

   
      The Investment Advisory Agreement between Brown Brothers Harriman & Co.
and the Trust is dated February 12, 1991, as amended and restated November 1,
1993 and remains in effect for two years from such date and thereafter, but only
as long as the agreement is specifically approved annually (i) by a vote of the
holders of a "majority of the Fund's outstanding voting securities" (as defined
in the 1940 Act) or by the Trust's Trustees, and (ii) by a vote of a majority of
the Trustees of the Trust who are not parties to the Investment Advisory
Agreement or "interested persons" (as defined in the 1940 Act) of the Trust
("Independent Trustees"), cast in person at a meeting called for the purpose of
voting on such approval. The Investment Advisory Agreement was most recently
approved by the Independent Trustees on December 18 , 1996. The Investment
Advisory Agreement terminates automatically if assigned and is terminable at any
time without penalty by a vote of a majority of the Trustees of the Trust or by
a vote of the holders of a "majority of the Fund's outstanding voting
securities" (as defined in the 1940 Act) on 60 days' written notice to Brown
Brothers Harriman & Co. and by Brown Brothers Harriman & Co. on 90 days' written
notice to the Trust (see "Additional Information").

      The investment advisory fee paid to the Investment Adviser is calculated
daily and paid monthly at an annual rate equal to 0.15% of the Fund's average
daily net assets. Prior to November 1, 1993, the investment advisory fee was an
annual rate equal to 0.40% of the Fund's average daily net assets. For the
fiscal years ended June 30, 1997, 1996 and 1995 , the Fund incurred $286,522,
$239,680 and $177,219 , respectively, for advisory services.
    

      The Glass-Steagall Act prohibits certain financial institutions from
engaging in the business of underwriting, selling or distributing securities and
from sponsoring, organizing or controlling a registered open-end investment
company continuously engaged in the issuance of its shares, such as the Fund.
There is presently no controlling precedent prohibiting

                                                                 9

<PAGE>



financial institutions such as Brown Brothers Harriman & Co. from performing
investment advisory, administrative or shareholder servicing/eligible
institution functions. If Brown Brothers Harriman & Co. were to terminate its
Investment Advisory Agreement with the Fund or were prohibited from acting in
such capacity, it is expected that the Trustees would recommend to the
shareholders that they approve a new investment advisory agreement for the Fund
with another qualified adviser. If Brown Brothers Harriman & Co. were to
terminate its Shareholder Servicing Agreement, Eligible Institution Agreement or
Administration Agreement with the Trust or were prohibited from acting in any
such capacity, its customers would be permitted to remain shareholders of the
Trust and alternative means for providing shareholder services or administrative
services, as the case may be, would be sought. In such event, although the
operation of the Trust might change, it is not expected that any shareholders
would suffer any adverse financial consequences. However, an alternative means
of providing shareholder services might afford less convenience to shareholders.

ADMINISTRATOR

   
      The Administration Agreement between the Trust and Brown Brothers Harriman
& Co. (dated November 1, 1993) will remain in effect for two years from such
date and thereafter, but only so long as such agreement is specifically approved
at least annually in the same manner as the Investment Advisory Agreement (see
"Investment Adviser"). The Independent Trustees of the Trust most recently
approved the Trust's Administration Agreement on December 18, 1996. The
agreement will terminate automatically if assigned by either party thereto and
is terminable at any time without penalty by a vote of a majority of the
Trustees of the Trust or by a vote of the holders of a "majority of the
outstanding voting securities" (as defined in the 1940 Act) of the Trust (see
"Additional Information"). The Administration Agreement is terminable by the
Trust's Trustees or shareholders of the Trust on 60 days' written notice to
Brown Brothers Harriman & Co. and by Brown Brothers Harriman & Co. on 90 days'
written notice to the Trust.

      The administrative fee paid to Brown Brothers Harriman & Co. is calculated
daily and payable monthly at an annual rate equal to 0.10% of the Fund's average
daily net assets. Prior to November 1, 1993, 59 Wall Street Distributors served
as administrator for the Trust and was paid an annual rate equal to 0.05% of the
Fund's average daily net assets. For the fiscal years ended June 30, 1997, 1996
and 1995 , the Fund incurred $191,014, $159,787 and $118,146 , respectively, for
administrative services.
    

DISTRIBUTOR

   
      The Distribution Agreement (dated August 31, 1990) between the Trust and
59 Wall Street Distributors remains in effect indefinitely, but only so long as
such agreement is specifically approved at least annually in the same manner as
the Investment Advisory Agreement (see "Investment Adviser"). The Distribution
Agreement was most recently approved by the Independent Trustees of the Trust on
February 18, 1997. The agreement terminates automatically if assigned by either
party thereto and is terminable with respect to the Fund at any time without
penalty by a vote of a majority of the Trustees of the Trust or by a vote of the
holders of a "majority of the Fund's outstanding voting securities" (as defined
in the 1940 Act) (see "Additional Information"). The Distribution Agreement is
terminable with respect to the Fund by the Trust's Trustees or shareholders of
the Fund on 60 days' written notice to 59 Wall Street Distributors. The
agreement is terminable by 59 Wall Street Distributors on 90 days' written
notice to the Trust.
    


                                                                 10

<PAGE>



NET ASSET VALUE

   
      The net asset value of each of the Fund's shares is determined each day
the New York Stock Exchange is open for regular trading and New York banks are
open for business. (As of the date of this Statement of Additional Information,
such Exchange and banks are so open every weekday except for the following
holidays: New Year's Day, Martin Luther King, Jr. Day, Presidents' Day, Good
Friday, Memorial Day, Independence Day, Labor Day, Columbus Day, Veterans Day,
Thanksgiving Day and Christmas.) This determination of net asset value of each
share of the Fund is made once during each such day as of the close of regular
trading on such Exchange by subtracting from the value of the Fund's total
assets the amount of its liabilities and dividing the difference by the number
of shares of the Fund outstanding at the time the determination is made. It is
anticipated that the net asset value of each share of the Fund will remain
constant at $1.00 and, although no assurance can be given that it will be able
to do so on a continuing basis, the Trust employs specific investment policies
and procedures to accomplish this result.
    

      Pursuant to a rule of the Securities and Exchange Commission, an
investment company may use the amortized cost method of valuation subject to
certain conditions and the determination that such method is in the best
interests of its shareholders. The use of amortized cost valuations for the Fund
is subject to the following conditions: (i) as a particular responsibility
within the overall duty of care owed to the Fund's shareholders, the Trustees
have established procedures reasonably designed, taking into account current
market conditions and the Fund's investment objective, to stabilize the net
asset value per share as computed for the purpose of distribution and redemption
at $1.00 per share; (ii) the procedures include periodic review by the Trustees,
as they deem appropriate and at such intervals as are reasonable in light of
current market conditions, of the relationship between the net asset value per
share using amortized cost and the net asset value per share based upon
available indications of market value with respect to such portfolio securities;
(iii) the Trustees will consider what steps, if any, should be taken if a
difference of more than 1/2 of 1% occurs between the two methods of valuation;
and (iv) the Trustees will take such steps as they consider appropriate, such as
changing the dividend policy, shortening the average portfolio maturity,
realizing gains or losses, establishing a net asset value per share by using
available market quotations, or reducing the value of the Fund's outstanding
shares, to minimize any material dilution or other unfair results which might
arise from differences between the two methods of valuation.

      Such conditions also generally require that: (i) investments for the Fund
be limited to instruments which the Trustees determine present minimal credit
risks and which are of high quality as determined by any nationally recognized
statistical rating organization that is not an affiliated person of the issuer
of, or any issuer, guarantor or provider of credit support for, the instrument,
or, in the case of any instrument that is not so rated, is of comparable quality
as determined by the Investment Adviser under the general supervision of the
Trustees; (ii) a dollar-weighted average portfolio maturity of not more than 90
days be maintained appropriate to the Fund's objective of maintaining a stable
net asset value of $1.00 per share and no instrument is purchased with a
remaining maturity of more than 13 months; (iii) the Fund's available cash will
be invested in such a manner as to reduce such maturity to 90 days or less as
soon as is reasonably practicable, if the disposition of a portfolio security
results in a dollar-weighted average portfolio maturity of more than 90 days;
and (iv) no more than 5% of the Fund's total assets may be invested in the
securities of any one issuer (other than U.S. Government securities).


                                                                 11

<PAGE>



      It is expected that the Fund will have a positive net income at the time
of each determination thereof. If for any reason the Fund's net income is a
negative amount, which could occur, for instance, upon default by an issuer of a
portfolio security, the Fund would first offset the negative amount with respect
to each shareholder account from the dividends declared during the month with
respect to those accounts. If and to the extent that negative net income exceeds
declared dividends at the end of the month, the Fund would reduce the number of
outstanding Fund shares by treating each shareholder as having contributed to
the capital of the Fund that number of full and fractional shares in his or her
account which represents his or her share of the amount of such excess. Each
shareholder would be deemed to have agreed to such contribution in these
circumstances by his or her investment in the Fund.

COMPUTATION OF PERFORMANCE

   
      The current and effective yields of the Fund may be used from time to time
in shareholder reports or other communications to shareholders or prospective
investors. Seven-day current yield is computed by dividing the net change in
account value (exclusive of capital changes) of a hypothetical pre-existing
account having a balance of one share at the beginning of a seven-day calendar
period by the value of that account at the beginning of that period, and
multiplying the return over the seven-day period by 365/7. For purposes of the
calculation, net change in account value reflects the value of additional shares
purchased with dividends from the original share and dividends declared on both
the original share and any such additional shares, but does not reflect realized
gains or losses or unrealized appreciation or depreciation. The Fund's current
yield for the seven-day calendar period ended June 30, 1997 was 4.65%. In
addition, the Trust may use an effective annualized yield quotation for the Fund
computed on a compounded basis by adding 1 to the base period return (calculated
as described above), raising the sum to a power equal to 365/7, and subtracting
1 from the result. Based upon this latter method, the Fund's effective
annualized yield for the seven-day calendar period ended June 30, 1997 was
4.76%.
    

      The yield should not be considered a representation of the yield of the
Fund in the future since the yield is not fixed. Actual yields depend on the
type, quality and maturities of the investments held for the Fund, changes in
interest rates on investments, and the Fund's expenses during the period.

      Yield information may be useful for reviewing the performance of the Fund
and for providing a basis for comparison with other investment alternatives.
However, unlike bank deposits or other investments which pay a fixed yield for a
stated period of time, the Fund's yield does fluctuate, and this should be
considered when reviewing performance or making comparisons.

FEDERAL TAXES

      Each year, the Trust intends to continue to qualify the Fund and elect
that the Fund be treated as a separate "regulated investment company" under
Subchapter M of the Internal Revenue Code of 1986, as amended (the "Code").
Under Subchapter M of the Code the Fund is not subject to federal income taxes
on amounts distributed to shareholders.

      Qualification as a regulated investment company under the Code requires,
among other things, that (a) at least 90% of the Fund's annual gross income,
without offset for losses from the sale or other disposition of securities, be
derived from interest, payments with

                                                                 12

<PAGE>



respect to securities loans, dividends and gains from the sale or other
disposition of securities or other income derived with respect to its business
of investing in such securities; (b) less than 30% of the Fund's annual gross
income be derived from gains (without offset for losses) from the sale or other
disposition of securities held for less than three months; and (c) the holdings
of the Fund be diversified so that, at the end of each quarter of its fiscal
year, (i) at least 50% of the market value of the Fund's assets be represented
by cash, U.S. Government securities and other securities limited in respect of
any one issuer to an amount not greater than 5% of the Fund's assets and 10% of
the outstanding voting securities of such issuer, and (ii) not more than 25% of
the value of the Fund's assets be invested in the securities of any one issuer
(other than U.S. Government securities). In addition, in order not to be subject
to federal income tax, at least 90% of the Fund's net investment income and net
short-term capital gains earned in each year must be distributed to the Fund's
shareholders.

      To maintain a constant $1.00 per share net asset value, the Trustees may
direct that the number of outstanding shares be reduced pro rata. If this
adjustment is made, it will reflect the lower market value of portfolio
securities and not realized losses.

MASSACHUSETTS TRUST

      The Trust's Declaration of Trust permits the Trust's Board of Trustees to
issue an unlimited number of full and fractional shares of beneficial interest
and to divide or combine the shares into a greater or lesser number of shares
without thereby changing the proportionate beneficial interests in the Trust.
Each Fund share represents an equal proportionate interest in the Fund with each
other share. Upon liquidation or dissolution of the Fund, the Fund's
shareholders are entitled to share pro rata in the Fund's net assets available
for distribution to its shareholders. Shares of each series participate equally
in the earnings, dividends and assets of the particular series. Shares of each
series are entitled to vote separately to approve advisory agreements or changes
in investment policy, but shares of all series vote together in the election or
selection of Trustees, principal underwriters and auditors for the Trust. Upon
liquidation or dissolution of the Trust, the shareholders of each series are
entitled to share pro rata in the net assets of their respective series
available for distribution to shareholders. The Trust reserves the right to
create and issue additional series of shares. The Trust currently consists of
three series.

      Shareholders are entitled to one vote for each share held on matters on
which they are entitled to vote. Shareholders in the Trust do not have
cumulative voting rights, and shareholders owning more than 50% of the
outstanding shares of the Trust may elect all of the Trustees of the Trust if
they choose to do so and in such event the other shareholders in the Trust would
not be able to elect any Trustee. The Trust is not required and has no current
intention to hold meetings of shareholders annually but the Trust will hold
special meetings of shareholders when in the judgment of the Trust's Trustees it
is necessary or desirable to submit matters for a shareholder vote. Shareholders
have under certain circumstances (E.G., upon application and submission of
certain specified documents to the Trustees by a specified number of
shareholders) the right to communicate with other shareholders in connection
with requesting a meeting of shareholders for the purpose of removing one or
more Trustees. Shareholders also have the right to remove one or more Trustees
without a meeting by a declaration in writing by a specified number of
shareholders. No material amendment may be made to the Trust's Declaration of
Trust without the affirmative vote of the holders of a majority of its
outstanding shares. Shares have no preference, pre-emptive, conversion or

                                                                 13

<PAGE>



similar rights. Shares, when issued, are fully paid and non-assessable, except
as set forth below. The Trust may enter into a merger or consolidation, or sell
all or substantially all of its assets, if approved by the vote of the holders
of two-thirds of its outstanding shares, except that if the Trustees of the
Trust recommend such sale of assets, the approval by vote of the holders of a
majority of the Trust's outstanding shares will be sufficient. The Trust may
also be terminated upon liquidation and distribution of its assets, if approved
by the vote of the holders of two-thirds of its outstanding shares.

      Stock certificates are not issued by the Trust.

      The Trust is an entity of the type commonly known as a "Massachusetts
business trust". Under Massachusetts law, shareholders of such a business trust
may, under certain circumstances, be held personally liable as partners for its
obligations and liabilities. However, the Declaration of Trust contains an
express disclaimer of shareholder liability for acts or obligations of the Trust
and provides for indemnification and reimbursement of expenses out of Trust
property for any shareholder held personally liable for the obligations of the
Trust. The Declaration of Trust also provides that the Trust shall maintain
appropriate insurance (for example, fidelity bonding and errors and omissions
insurance) for the protection of the Trust, its shareholders, Trustees,
officers, employees and agents covering possible tort and other liabilities.
Thus, the risk of a shareholder's incurring financial loss because of
shareholder liability is limited to circumstances in which both inadequate
insurance existed and the Trust itself was unable to meet its obligations.

      The Declaration of Trust further provides that obligations of the Trust
are not binding upon the Trustees individually but only upon the property of the
Trust and that the Trustees are not liable for any action or failure to act, but
nothing in the Declaration of Trust protects a Trustee against any liability to
which he would otherwise be subject by reason of wilful misfeasance, bad faith,
gross negligence, or reckless disregard of the duties involved in the conduct of
his office.

      The Trust may, in the future, seek to achieve the Fund's investment
objective by investing all of the Fund's investable assets in a no-load,
diversified, open-end management investment company having substantially the
same investment objective as those applicable to the Fund. In such event, the
Fund would no longer directly require investment advisory services and therefore
would pay no investment advisory fees. Further, the administrative services fee
paid from the Fund would be reduced. At a shareholder's meeting held on
September 23, 1993, the Fund's shareholders approved changes to the investment
restrictions of the Fund to authorize such an investment. Such an investment
would be made only if the Trustees believe that the aggregate per share expenses
of the Fund and such other investment company would be less than or
approximately equal to the expenses which the Fund would incur if the Trust were
to continue to retain the services of an investment adviser for the Fund and the
assets of the Fund were to continue to be invested directly in portfolio
securities.

      It is expected that the investment in another investment company will have
no preference, preemptive, conversion or similar rights, and will be fully paid
and non-assessable. It is expected that the investment company will not be
required to hold annual meetings of investors, but will hold special meetings of
investors when, in the judgment of its trustees, it is necessary or desirable to
submit matters for an investor vote. It is expected that each investor will be
entitled to a vote in proportion to the share of its investment in such
investment company. Except as described below, whenever the Trust is requested
to vote on matters pertaining to the investment company, the Trust would hold a
meeting of the Fund's

                                                                 14

<PAGE>



shareholders and would cast its votes on each matter at a meeting of investors
in the investment company proportionately as instructed by the Fund's
shareholders.

      However, subject to applicable statutory and regulatory requirements, the
Trust would not request a vote of the Fund's shareholders with respect to (a)
any proposal relating to the investment company in which the Fund's assets were
invested, which proposal, if made with respect to the Fund, would not require
the vote of the shareholders of the Fund, or (b) any proposal with respect to
the investment company that is identical, in all material respects, to a
proposal that has previously been approved by shareholders of the Fund.

PORTFOLIO TRANSACTIONS

      Brown Brothers Harriman & Co., as Investment Adviser, places orders for
all purchases and sales of portfolio securities, enters into repurchase and
reverse repurchase agreements and executes loans of portfolio securities.
Fixed-income securities are generally traded at a net price with dealers acting
as principal for their own account without a stated commission. The price of the
security usually includes a profit to the dealer. In underwritten offerings,
securities are purchased at a fixed price which includes an amount of
compensation to the underwriter, generally referred to as the underwriter's
concession or discount. On occasion, certain money market instruments may be
purchased directly from an issuer, in which case no commissions or discounts are
paid.

      On those occasions when Brown Brothers Harriman & Co. deems the purchase
or sale of a security to be in the best interests of the Fund as well as other
customers, Brown Brothers Harriman & Co., to the extent permitted by applicable
laws and regulations, may, but is not obligated to, aggregate the securities to
be sold or purchased for the Fund with those to be sold or purchased for other
customers in order to obtain best execution, including lower brokerage
commissions, if appropriate. In such event, allocation of the securities so
purchased or sold as well as any expenses incurred in the transaction are made
by Brown Brothers Harriman & Co. in

                                                                 15

<PAGE>



the manner it considers to be most equitable and consistent with its fiduciary
obligations to its customers, including the Fund. In some instances, this
procedure might adversely affect the Fund.

ADDITIONAL INFORMATION

   
      As used in this Statement of Additional Information and the Prospectus,
the term "majority of the Fund's outstanding voting securities" (as defined in
the 1940 Act) currently means the vote of (i) 67% or more of the Fund's shares
present at a meeting, if the holders of more than 50% of the outstanding voting
securities of the Fund are present in person or represented by proxy; or (ii)
more than 50% of the Fund's outstanding voting securities, whichever is less.
    

      Fund shareholders receive semi-annual reports containing unaudited
financial statements and annual reports containing financial statements audited
by the independent auditors.

      A shareholder's right to receive payment with respect to any redemption
may be suspended or the payment of the redemption proceeds postponed: (i) during
periods when the New York Stock Exchange is closed for other than weekends and
holidays or when regular trading on such Exchange is restricted as determined by
the Securities and Exchange Commission by rule or regulation, (ii) during
periods in which an emergency exists which causes disposal of, or evaluation of
the net asset value of, the Fund's portfolio securities to be unreasonable or
impracticable, or (iii) for such other periods as the Securities and Exchange
Commission may permit.

      With respect to the securities offered by the Prospectus, this Statement
of Additional Information and the Prospectus do not contain all the information
included in the Registration Statement filed with the Securities and Exchange
Commission under the Securities Act of 1933. Pursuant to the rules and
regulations of the Securities and Exchange Commission, certain portions have
been omitted. The Registration Statement including the exhibits filed therewith
may be examined at the office of the Securities and Exchange Commission in
Washington, D.C.

      Statements contained in this Statement of Additional Information and the
Prospectus concerning the contents of any contract or other document are not
necessarily complete, and in each instance, reference is made to the copy of
such contract or other document filed as an exhibit to the Registration
Statement. Each such statement is qualified in all respects by such reference.

      A copy of the Declaration of Trust establishing the Trust is on file in
the office of the Secretary of the Commonwealth of Massachusetts.

FINANCIAL STATEMENTS

   
      The Annual Report of the Fund dated June 30, 1997 has been filed with the
Securities and Exchange Commission pursuant to Section 30(b) of the 1940 Act and
Rule 30b2-1 thereunder and is hereby incorporated herein by reference. A copy of
the Annual Report will be provided, without
    

WS5039J
                                                                 16

<PAGE>



charge, to each person receiving this Statement of Additional Information.



   
 WS5039J
    


<PAGE>

                                    PART C
                               OTHER INFORMATION

ITEM 24.  FINANCIAL STATEMENTS AND EXHIBITS.

(a)      Financial Statements:

         Financial  Statement included in the Prospectus  constituting Part A of
this Registration Statement:

   
                  Financial  Highlights  for each of the  years in the five year
                  period ended June 30, 1997.
    

         Financial   Statements incorporated by reference in the Statement of
Additional Information constituting Part B of this Registration Statement:

   
                  Statement of Assets and Liabilities at June 30, 1997.
                  Statement of Operations for the year ended June 30, 1997.
                  Statement of  Changes  in Net Assets for the years  ended June
                    30, 1996 and June 30, 1997.
                  Financial  Highlights  for each of the  years in the five year
                    period ended June 30, 1997.
                  Notes to Financial Statements.
                  Independent Auditors' Report.
    

(b)      Exhibits:

1(a)     Amended and Restated Declaration of Trust of the
         Registrant (10)
1(b)     Designation of Series of The 59 Wall Street U.S. Treasury Money
         Fund (10)
1(c)     Designation of Series of The 59 Wall Street Tax Free Short/Intermediate
         Fixed Income Fund (10)
2        By-Laws of the Registrant (10)
3        Not Applicable
4        Not Applicable
5(a)     Advisory Agreement with respect to The 59 Wall Street Money
         Market Fund (7)
 (b)     Advisory Agreement with respect to The 59 Wall Street U.S.
         Treasury Money Fund (10)
 (c)     Advisory Agreement with respect to The 59 Wall Street Tax
         Free Short/Intermediate Fixed Income Fund (8)
6        Distribution Agreement (2)
7        Not Applicable
8(a)     Custody Agreement (1)
 (b)     Transfer Agency Agreement (1)
9(a)     Amended and Restated Administration Agreement (9)
 (b)     Subadministrative Services Agreement (9)
 (c)     License Agreement (2)
 (d)     Shareholder Servicing Agreement (9)
 (e)     Eligible Institution Agreement (9)
 (f)     Form of Expense Reimbursement Agreement with respect to
         The 59 Wall Street Money Market Fund (6)
 (g)     Form of Expense Reimbursement Agreement with respect to
         The 59 Wall Street U.S. Treasury Money Fund (6)
 (h)     Form of Expense Reimbursement Agreement with respect to
         The 59 Wall Street Tax Free Short/Intermediate Fixed Income
         Fund (7)
10       Opinion of Counsel (including consent) (1)
11       Consent of independent auditors (11)
12       Not Applicable
13       Purchase Agreement (1)
14       Not Applicable
15       Not Applicable
16(a)    Schedule of Computation of Performance Quotations
           with respect to The 59 Wall Street Money Market Fund (5) 
  (b)   Schedule of Computation of Performance Quotations
          with respect to The 59 Wall Street U.S. Treasury Money
          Fund (6)
  (c)   Schedule of Computation of Performance Quotations with
          respect to The 59 Wall Street Tax Free
          Short/Intermediate Fixed Income Fund (4)
17      Financial Data Schedule. (11)

(1)      Filed with Amendment No. 1 to this Registration Statement
         on October 28, 1983.
(2)      Filed with Amendment No. 10 to this Registration Statement
         on August 31, 1990.
(3)      Filed with Amendment No. 11 to this Registration Statement
         on February 14, 1991.
(4)      Filed with Amendment No. 14 to this Registration Statement
         on June 15, 1992.
(5)      Filed with Amendment No. 15 to this Registration Statement
         on October 27, 1992.
(6)      Filed with Amendment No. 16 to this Registration Statement
         on October 27, 1992.
(7)      Filed with Amendment No. 17 to this Registration Statement
         on September 3, 1993.
(8)      Filed with Amendment No. 18 to this Registration Statement
         on September 3, 1993.
(9)      Filed with Amendment No. 19 to this Registration Statement
         on September 3, 1993.
(10)     Filed with Amendment No. 30 to this Registration Statement
         on October 27, 1995.
(11)     Filed herewith.

ITEM 25.          PERSONS CONTROLLED BY OR UNDER COMMON CONTROL WITH
                  REGISTRANT.


         See "Trustees and Officers" in the Statement of Additional  Information
filed as part of this Registration Statement.

ITEM 26.          NUMBER OF HOLDERS OF SECURITIES (September 30, 1997).


                 Title of Class                      Number of Record Holders
                                                      
   
            Shares of Beneficial Interest                    
    (The 59 Wall Street Money Market Fund)                     3,603

            Shares of Beneficial Interest                      
 (The 59 Wall Street U.S. Treasury Money Fund)                   614

            Shares of Beneficial Interest                      
 (The 59 Wall Street Tax Free Short/Intermediate
                Fixed Income Fund)                               314
    

ITEM 27.          INDEMNIFICATION.

         As permitted by Section 17(h) of the Investment Company Act of 1940, as
amended  (the "1940  Act"),  and  pursuant  to Article  VII of the  Registrant's
By-Laws,  officers,  Trustees,  employees  and agents of the  Registrant  may be
indemnified  against certain  liabilities in connection with the Registrant.  As
permitted  by  Section  17(i) of the 1940  Act,  pursuant  to  Section  5 of the
Distribution  Agreement,  59 Wall Street  Distributors,  Inc., as Distributor of
shares of each series of the  Registrant,  may be  indemnified  against  certain
liabilities which it may incur. Such Article VII of the By-Laws and Section 5 of
the  Distribution  Agreement  are  hereby  incorporated  by  reference  in their
entirety.

         Insofar as indemnification for liabilities arising under the Securities
Act of 1933, as amended (the "Act"), may be permitted to Trustees,  officers and
controlling persons of the Registrant and the principal  underwriter pursuant to
the foregoing provisions,  or otherwise, the Registrant has been advised that in
the opinion of the Securities and Exchange  Commission such  indemnification  is
against public policy as expressed in the Act and is, therefore,  unenforceable.
In the event that a claim for  indemnification  against such liabilities  (other
than the payment by the  Registrant  of expenses  incurred or paid by a Trustee,
officer of controlling person of the Registrant or the principal  underwriter in
connection  with the  successful  defense of any action,  suit or proceeding) is
asserted against the Registrant by such Trustee,  officer or controlling  person
or the principal underwriter in connection with the securities being registered,
the  Registrant  will,  unless in the opinion of its counsel the matter has been
settled by controlling precedent,  submit to a court of appropriate jurisdiction
the question of whether such  indemnification  by it is against public policy as
expressed  in the Act and will be  governed  by the final  adjudication  of such
issue.
<PAGE>

ITEM 28.          BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER.

         The investment  adviser of the  Registrant's  Money Market Fund,  Brown
Brothers Harriman & Co. ("BBH & Co."), is a New York limited partnership.  BBH &
Co.  conducts a general  banking  business and is a member of the New York Stock
Exchange, Inc. 

         To the  knowledge of the  Registrant,  none of the general  partners or
officers of BBH & Co. is engaged in any other business, profession,  vocation or
employment of a substantial nature.

ITEM 29.          PRINCIPAL UNDERWRITERS.

         (a)      59 Wall Street Distributors, Inc. ("59 Wall Street
                  Distributors") and its affiliates also serve as
                  administrator and/or distributor to other registered
                  investment companies.

         (b)      Set forth below are the names, principal business
                  addresses and positions of each Director and officer of
                  59 Wall Street Distributors.  The principal business
                  address of these individuals is c/o 59 Wall Street
                  Distributors, Inc., 6 St. James Avenue, Boston, MA
                  02116.  Unless otherwise specified, no officer or
                  Director of 59 Wall Street Distributors serves as an
                  officer or Trustee of the Registrant.
   
PHILIP W. COOLIDGE:  President,  Chief Executive Officer and Director of 59 Wall
Street Distributors. President of Registrant.

JOHN R. ELDER:  Assistant Treasurer of 59 Wall Street Distributors.  Treasurer
of the Registrant.

JOAN R.  GULINELLO:  Secretary  of 59 Wall Street  Distributors.

LINDA T. GIBSON: Assistant Secretary of 59 Wall Street Distributors. Secretary
of the Registrant.

MOLLY S. MUGLER:  Assistant Secretary of 59 Wall Street Distributors.  Assistant
Secretary of Registrant.

CHRISTINE A. DRAPEAU: Assistant Secretary of the Registrant.

SUSAN JAKUBOSKI: Assistant Treasurer of 59 Wall Street Distributors.

ROBERT G. DAVIDOFF: Director of 59 Wall Street Distributors; CMNY Capital, L.P.,
135 East 57th Street, New York, NY 10022.

DONALD S. CHADWICK: Director of 59 Wall Street Distributors; 4609 Bayard Street,
Apartment 411, Pittsburgh, PA 15213.

LEEDS  HACKETT:  Director of 59 Wall  Street  Distributors;  Hackett  Associates
Limited, 1260 Avenue of the Americas, 12th Floor, New York, NY 10020.

LAURENCE B. LEVINE: Director of 59 Wall Street Distributors;  Blair Corporation,
250 Royal Palm Way, Palm Beach, FL 33480.

    
         (c) Not Applicable.

ITEM 30.          LOCATION OF ACCOUNTS AND RECORDS.

         All accounts,  books and other  documents  required to be maintained by
Section  31(a) of the 1940 Act and the Rules  thereunder  are  maintained at the
offices of:

         The 59 Wall Street Trust
         59 Wall Street Distributors, Inc.
         59 Wall Street Administrators, Inc.
         6 St. James Avenue
         Boston, MA 02116

         Brown Brothers Harriman & Co.
         59 Wall Street
         New York, NY 10005

         State Street Bank and Trust Company
         1776 Heritage Drive
         North Quincy, MA 02171

ITEM 31.          MANAGEMENT SERVICES.

         Other than as set forth under the caption  "Management of the Trust" in
the Prospectus constituting Part A of this Registration Statement, Registrant is
not a party to any management-related service contract.

ITEM 32.          UNDERTAKINGS.

         (a)      If the  information  called  for by Item  5A of  Form  N-1A is
                  contained in the latest  annual  report to  shareholders,  the
                  Registrant  shall  furnish each person to whom a prospectus is
                  delivered with a copy of the Registrant's latest annual report
                  to shareholders upon request and without charge.
<PAGE>
   
                                   SIGNATURES

         Pursuant  to the  requirements  of the  Securities  Act of 1933 and the
Investment  Company Act of 1940, the Registrant  certifies that it meets all the
requirements  for  effectiveness  of  this   Post-Effective   Amendment  to  its
Registration Statement on Form N-1A ("Registration  Statement") pursuant to Rule
485(b) under the  Securities  Act of 1933 and has duly caused this  amendment to
its  Registration  Statement  to be  signed on its  behalf  by the  undersigned,
thereto  duly  authorized,  in the City of New York and State of New York on the
28th day of October, 1997.

THE 59 WALL STREET TRUST

By /s/PHILIP W. COOLIDGE
   (Philip W. Coolidge, President)

         Pursuant  to the  requirements  of the  Securities  Act of  1933,  this
Registration  Statement  has been signed below by the  following  persons in the
capacities and on the dates indicated.

Signature                         Title                            Date


                                  Trustee and
/s/JOSEPH V. SHIELDS, JR.         Chairman of the Board        October 28, 1997
(J.V. Shields, Jr.)

                                  President (Principal
/s/PHILIP W. COOLIDGE             Executive Officer)           October 28, 1997
(Philip W. Coolidge)


/s/EUGENE P. BEARD                Trustee                      October 28, 1997
(Eugene P. Beard)


/s/DAVID P. FELDMAN               Trustee                      October 28, 1997
(David P. Feldman)


/s/ARTHUR D. MILTENBERGER         Trustee                      October 28, 1997
(Arthur D. Miltenberger)


/s/ALAN G. LOWY                   Trustee                      October 28, 1997
(Alan G. Lowy)

                                  Treasurer                
/s/ JOHN R. ELDER                 (Principal Financial and
(John R.Elder)                    Principal Accounting 
                                  Officer)                     October 28, 1997
 
    


<PAGE>

                               INDEX TO EXHIBITS


Exhibit No.            Description of Exhibit


EX-99.B11              Consent of independent auditors

EX-99.B27              Financial Data Schedule



                                                               EXHIBIT 11

Independent Auditors' Consent

We consent to the use in this Post-Effective Amendment No. 7 to Registration
Statement (No. 33-39020) of The 59 Wall Street U.S. Treasury Money Fund (a
series of The 59 Wall Street Trust) of our report dated August 15, 1997
incorporated by reference in the Statement of Additional Information, which is a
part of such Registration Statement, and to the reference to us under the
heading "Financial Highlights" appearing in the Prospectus, which is also a part
of such Registration Statement.

/s/DELOITTE & TOUCHE LLP

Boston, Massachusetts
October 28, 1997


<TABLE> <S> <C>

<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information extracted from the 59 Wall
Street Trust Annual Report, dated 6/30/97 and is qualified in its entirety by
reference to such Annual Report.
</LEGEND>
<CIK> 0000722575
<NAME> THE 59 WALL STREET TRUST
<SERIES>
   <NUMBER> 2
   <NAME> THE 59 WALL STREET U.S. TREASURY MONEY FUND
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          JUN-30-1997
<PERIOD-END>                               JUN-30-1997
<INVESTMENTS-AT-COST>                      157,596,396
<INVESTMENTS-AT-VALUE>                     157,596,396
<RECEIVABLES>                                2,962,973
<ASSETS-OTHER>                                  18,127
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                             160,577,496
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                      119,206
<TOTAL-LIABILITIES>                            119,206
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                   160,458,290
<SHARES-COMMON-STOCK>                      160,458,290
<SHARES-COMMON-PRIOR>                      146,224,610
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                             0
<NET-ASSETS>                               146,224,610
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                            9,915,980
<OTHER-INCOME>                                       0
<EXPENSES-NET>                               1,040,831
<NET-INVESTMENT-INCOME>                      8,875,149
<REALIZED-GAINS-CURRENT>                             0
<APPREC-INCREASE-CURRENT>                            0
<NET-CHANGE-FROM-OPS>                        8,875,149
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                    8,875,149
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                    916,086,152
<NUMBER-OF-SHARES-REDEEMED>                905,667,722
<SHARES-REINVESTED>                          3,815,250
<NET-CHANGE-IN-ASSETS>                      14,233,680
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                          286,522
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                              1,044,832
<AVERAGE-NET-ASSETS>                       174,778,057
<PER-SHARE-NAV-BEGIN>                             1.00
<PER-SHARE-NII>                                   0.04
<PER-SHARE-GAIN-APPREC>                              0
<PER-SHARE-DIVIDEND>                              0.04
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               1.00
<EXPENSE-RATIO>                                   0.55
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>


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