DREYFUS INSTITUTIONAL PREFERRED MONEY MARKET FUND
N-1A EL, 1997-05-05
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        As filed with the Securities and Exchange Commission on May __, 1997
                                                        Registration No. 33-
                     SECURITIES AND EXCHANGE COMMISSION
                           Washington, D.C. 20549

                                  FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933               [X]

     Pre-Effective Amendment No.                                      [__]

     Post-Effective Amendment No. __                                  [__]

                                   and/or

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940       [X]

     Amendment No. __                                                 [__]
                      (Check appropriate box or boxes.)

              DREYFUS INSTITUTIONAL PREFERRED MONEY MARKET FUND
             (Exact Name of Registrant as Specified in Charter)

          c/o The Dreyfus Corporation
          200 Park Avenue, New York, New York          10166
          (Address of Principal Executive Offices)     (Zip Code)

     Registrant's Telephone Number, including Area Code: (212) 922-6000

                            Mark N. Jacobs, Esq.
                               200 Park Avenue
                          New York, New York 10166
                   (Name and Address of Agent for Service)

Approximate Date of Proposed Public Offering:  As soon as practicable after
this Registration Statement is declared effective.

==========================================================================
     Pursuant to Regulation 270.24f-2 under the Investment Company Act of
     1940, the Registrant hereby elects to register an indefinite number of
     shares of beneficial interest.
==========================================================================
     The Registrant hereby amends this registration statement on such date
     or dates as may be necessary to delay its effective date until the
     Registrant shall file a further amendment which specifically states
     that this registration statement shall thereafter become effective in
     accordance with Section 9(a) of the Securities Act of 1933 or until the
     registration statement shall become effective on such date as the
     Commission, acting pursuant to said Section 8(a), may determine.
==========================================================================

              DREYFUS INSTITUTIONAL PREFERRED MONEY MARKET FUND
                Cross-Reference Sheet Pursuant to Rule 495(a)
Items in
Part A of
Form N-1A     Caption                                       Page
_________     _______                                       ____

  1           Cover Page                                     Cover

  2           Synopsis                                       A-2

  3           Condensed Financial Information                *

  4           General Description of Registrant              A-3

  5           Management of the Fund                         A-4

  5(a)        Management's Discussion of Fund's Performance  *

  6           Capital Stock and Other Securities             A-8

  7           Purchase of Securities Being Offered           A-5

  8           Redemption or Repurchase                       A-6

  9           Pending Legal Proceedings                      *

Items in
Part B of
Form N-1A
_________

  10          Cover Page                                     Cover

  11          Table of Contents                              Cover

  12          General Information and History                B-12

  13          Investment Objectives and Policies             B-2

  14          Management of the Fund                         B-5

  15          Control Persons and Principal                  B-5
              Holders of Securities

  16          Investment Advisory and Other                  B-7
              Services

_____________________________________
NOTE:  * Omitted since answer is negative or inapplicable.

              DREYFUS INSTITUTIONAL PREFERRED MONEY MARKET FUND
          Cross-Reference Sheet Pursuant to Rule 495(a) (continued)

Items in
Part B of
Form N-1A     Caption                                      Page
_________     _______                                      _____

  17          Brokerage Allocation                         B-11

  18          Capital Stock and Other Securities           B-12

  19          Purchase, Redemption and Pricing             B-9; B-10
              of Securities Being Offered

  20          Tax Status                                   *

  21          Underwriters                                 B-9

  22          Calculations of Performance Data             B-12

  23          Financial Statements                         *

Items in
Part C of
Form N-1A
_________

  24          Financial Statements and Exhibits            C-1

  25          Persons Controlled by or Under               C-2
              Common Control with Registrant

  26          Number of Holders of Securities              C-2

  27          Indemnification                              C-2

  28          Business and Other Connections of            C-3
              Investment Adviser

  29          Principal Underwriters                       C-9

  30          Location of Accounts and Records             C-12

  31          Management Services                          C-12

  32          Undertakings                                 C-12

_____________________________________
NOTE:  * Omitted since answer is negative or inapplicable.


PROSPECTUS                                              ____________, 1997
DREYFUS INSTITUTIONAL PREFERRED MONEY MARKET FUND
        DREYFUS INSTITUTIONAL PREFERRED MONEY MARKET FUND (THE "FUND") IS AN
OPEN-END, DIVERSIFIED, MANAGEMENT INVESTMENT COMPANY, KNOWN AS A MONEY MARKET
MUTUAL FUND. THE FUND'S INVESTMENT OBJECTIVE IS TO PROVIDE INVESTORS WITH AS
HIGH A LEVEL OF CURRENT INCOME AS IS CONSISTENT WITH THE PRESERVATION OF
CAPITAL AND THE MAINTENANCE OF LIQUIDITY.
        THE DREYFUS CORPORATION WILL SERVE AS THE FUND'S INVESTMENT ADVISER.
        AN INVESTMENT IN THE FUND IS NEITHER INSURED NOR GUARANTEED BY THE
U.S. GOVERNMENT. THERE CAN BE NO ASSURANCE THAT THE FUND WILL BE ABLE TO
MAINTAIN A STABLE NET ASSET VALUE OF $1.00 PER SHARE.
        THIS PROSPECTUS SETS FORTH CONCISELY INFORMATION ABOUT THE FUND THAT
AN INVESTOR SHOULD KNOW BEFORE INVESTING. IT SHOULD BE READ AND RETAINED FOR
FUTURE REFERENCE.
        THE STATEMENT OF ADDITIONAL INFORMATION, DATED _________, 1997, WHICH
MAY BE REVISED FROM TIME TO TIME, PROVIDES A FURTHER DISCUSSION OF CERTAIN
AREAS IN THIS PROSPECTUS AND OTHER MATTERS WHICH MAY BE OF INTEREST TO SOME
INVESTORS. IT HAS BEEN FILED WITH THE SECURITIES AND EXCHANGE COMMISSION AND
IS INCORPORATED HEREIN BY REFERENCE. THE SECURITIES AND EXCHANGE COMMISSION
MAINTAINS A WEB SITE (HTTP://WWW.SEC.GOV) THAT CONTAINS THE STATEMENT OF
ADDITIONAL INFORMATION, MATERIAL INCORPORATED BY REFERENCE, AND OTHER
INFORMATION REGARDING THE FUND. FOR A FREE COPY OF THE STATEMENT OF
ADDITIONAL INFORMATION, WRITE TO THE FUND AT 144 GLENN CURTISS BOULEVARD,
UNIONDALE, NEW YORK 11556-0144, OR CALL 1-800-346-3621.
        MUTUAL FUND SHARES ARE NOT DEPOSITS OF OR OBLIGATIONS OF, OR
GUARANTEED OR ENDORSED BY, ANY BANK, AND ARE NOT FEDERALLY INSURED BY THE
FEDERAL DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD, OR ANY
OTHER AGENCY. ALL MUTUAL FUND SHARES INVOLVE CERTAIN INVESTMENT RISKS,
INCLUDING THE POSSIBLE LOSS OF PRINCIPAL.
TABLE OF CONTENTS

                                                          PAGE
ANNUAL FUND OPERATING EXPENSES..............                2
YIELD INFORMATION...........................                2
DESCRIPTION OF THE FUND.....................                3
MANAGEMENT OF THE FUND......................                4
HOW TO BUY SHARES...........................                5

                                                      PAGE
HOW TO REDEEM SHARES...................                  6
DIVIDENDS, DISTRIBUTIONS AND TAXES.....                  7
GENERAL INFORMATION....................                  8
APPENDIX...............................                  9

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.

  [Page 1]
<TABLE>
<CAPTION>
ANNUAL FUND OPERATING EXPENSES
(as a percentage of average daily net assets)




       <S>                                                                                             <C>
        Management Fees .......................................................................
        Total Fund Operating Expenses..........................................................
</TABLE>
<TABLE>
<CAPTION>
      <S>                                                                 <C>                      <C>
      Example:
        An investor 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:
                                                                          1 YEAR                    3 YEARS
                                                                           $__                        $__
</TABLE>
        THE AMOUNTS LISTED IN THE EXAMPLE SHOULD NOT BE CONSIDERED AS
REPRESENTATIVE OF FUTURE EXPENSES AND ACTUAL EXPENSES MAY
BE GREATER OR LESS THAN THOSE INDICATED. MOREOVER, WHILE THE EXAMPLE ASSUMES
A 5% ANNUAL RETURN, THE FUND'S ACTUAL PERFORMANCE WILL VARY AND MAY RESULT IN
AN ACTUAL RETURN GREATER OR LESS THAN 5%.
        The purpose of the foregoing table is to assist investors in
understanding the costs and expenses to be borne by the Fund, the payment of
which will reduce investors' annual return. The Dreyfus Corporation has
agreed to pay all of the Fund's expenses, except the management fee,
brokerage commissions, taxes, interest, fees and expenses of non-interested
Board members, fees and expenses of independent counsel to the Fund and to
the non-interested Board members, and extraordinary expenses. The Dreyfus Corp
oration also has agreed to reduce its management fee in an amount equal to
the accrued fees and expenses of the non-interested Board members, and fees
and expenses of independent counsel to the Fund and to the non-interested
Board members. See "Management of the Fund."
YIELD INFORMATION
        From time to time, the Fund will advertise its yield and effective
yield. Both yield figures are based on historical earnings and are not
intended to indicate future performance. It can be expected that these yields
will fluctuate substantially. 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 in the advertisement). 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 will be slightly higher than
the yield because of the compounding effect of this assumed reinvestment. The
Fund's yield and effective yield may reflect absorbed expenses pursuant to
any undertaking that may be in effect. See "Management of the Fund."
        Yield information is useful in reviewing the Fund's performance, but
because yields will fluctuate, under certain conditions such information may
not provide a basis for comparison with domestic bank deposits, other
investments which pay a fixed yield for a stated period of time, or other
investment companies which may use a different method of computing yield.
        Comparative performance information may be used from time to time in
advertising or marketing the Fund's shares, including data from Lipper
Analytical Services, Inc., Bank Rate Monitortrademark, IBC's Money Fund
Reporttrademark, Morningstar, Inc. and other industry publications.


  [Page 2]

DESCRIPTION OF THE FUND
INVESTMENT OBJECTIVE
          The Fund's investment objective is to provide investors with as
high a level of current income as is consistent with the preservation of
capital and the maintenance of liquidity. It cannot be changed without
approval by the holders of a majority (as defined in the 1940 Act) of the
Fund's outstanding voting shares. There can be no assurance that the Fund's
investment objective will be achieved. Securities in which the Fund invests
may not earn as high a level of current income as long-term or lower quality
securities which generally have less liquidity, greater market risk and more
fluctuation in market value.
MANAGEMENT POLICIES
          The Fund invests in short-term money market obligations, including
securities issued or guaranteed by the U.S. Government or its agencies or
instrumentalities, U.S. dollar denominated time deposits, certificates of
deposit, banker's acceptances and other short-term obligations issued by
domestic banks, foreign subsidiaries or foreign branches of domestic banks,
domestic and foreign branches of foreign banks and thrift institutions,
repurchase agreements, asset-backed securities, and high quality domestic and
foreign commercial paper and other short-term corporate obligations,
including those with floating or variable rates of interest. See
"Appendix_Certain Portfolio Securities." In addition, the Fund is permitted
to lend portfolio securities and enter into reverse repurchase agreements.
See "Appendix_Investment Techniques." During normal market conditions, at
least 25% of the Fund's total assets will be invested in bank obligations.
See "Investment Considerations and Risks" below.
        The Fund seeks to maintain a net asset value of $1.00 per share for
purchases and redemptions. To do so, the Fund uses the amortized cost method
of valuing its securities pursuant to Rule 2a-7 under the 1940 Act, which
Rule includes various maturity, quality, and diversification requirements,
certain of which are summarized below.
        In accordance with Rule 2a-7, the Fund is required to maintain a
dollar-weighted average portfolio maturity of 90 days or less, purchase only
instruments having remaining maturities of 13 months or less and invest only
in U.S. dollar denominated securities determined in accordance with
procedures established by the Fund's Board to present minimal credit risks
and which are rated in one of the two highest rating categories for debt
obligations by at least two nationally recognized statistical rating
organizations (or one rating organization if the instrument was rated only by
one such organization) or, if unrated, are of comparable quality as determined
in accordance with procedures established by the Board. Moreover, the Fund will
purchase only instruments so rated in the highest rating category or, if
unrated, of comparable quality as determined in accordance with procedures
established by the Fund's Board. The nationally recognized statistical rating
organizations currently rating instruments of the type the Fund may purchase
are Moody's Investors Service, Inc., Standard & Poor's Ratings Group, Duff &
Phelps Credit Rating Co., Fitch Investors Service, L.P., IBCA Limited and
IBCA Inc. and Thomson BankWatch, Inc. and their rating criteria are described
in the "Appendix" to the Statement of Additional Information.
        For further information regarding the amortized cost method of
valuing securities, see "Determination of Net Asset Value" in the Statement
of Additional Information. There can be no assurance that the Fund will be
able to maintain a stable net asset value of $1.00 per share.
INVESTMENT CONSIDERATIONS AND RISKS
GENERAL _ The Fund attempts to increase yields by trading to take advantage
of short-term market variations. This policy is expected to result in high
portfolio turnover but should not adversely affect the Fund since the Fund
usually does not pay brokerage commissions when it purchases short-term
obligations. The value of the portfolio securities held by the Fund will vary
inversely to changes in prevailing interest rates. Thus, if interest rates
have increased from the time a security was purchased, such security, if
sold, might be sold at a price less than its cost. Similarly, if interest
rates have declined from the time a security was purchased, such security, if
sold, might be sold at a price greater than its purchase cost. In either
instance, if the security was purchased at face value and held to maturity,
no gain or loss would be realized.

  [Page 3]

BANK SECURITIES _ To the extent the Fund's investments are concentrated in
the banking industry, the Fund will have correspondingly greater exposure to
the risk factors which are characteristic of such investments. Sustained
increases in interest rates can adversely affect the availability or
liquidity and cost of capital funds for a bank's lending activities, and a
deterioration in general economic conditions could increase the exposure to
credit losses. In addition, the value of and the investment return on the
Fund's shares could be affected by economic or regulatory developments in or
related to the banking industry, which industry also is subject to the
effects of competition within the banking industry as well as with other
types of financial institutions. The Fund, however, will seek to minimize its
exposure to such risks by investing only in debt securities which are
determined to be of highest quality.
FOREIGN SECURITIES _ Since the Fund's portfolio may contain securities
issued by foreign subsidiaries or foreign branches of domestic banks,
domestic and foreign branches of foreign banks, and commercial paper issued
by foreign issuers, the Fund may be subject to additional investment risks
with respect to such securities that are different in some respects from
those incurred by a fund which invests only in debt obligations of U.S.
domestic issuers, although such obligations may be higher yielding when
compared to the securities of U.S. domestic issuers. Such risks include
possible future political and economic developments, seizure or
nationalization of foreign deposits, imposition of foreign withholding taxes
on interest income payable on the securities, establishment of exchange
controls, or adoption of other foreign governmental restrictions which might
adversely affect the payment of principal and interest on these securities .
SIMULTANEOUS INVESTMENTS _ Investment decisions for the Fund are made
independently from those of other investment companies advised by The Dreyfus
Corporation. If, however, such other investment companies desire to invest
in, or dispose of, the same securities as the Fund, available investments or
opportunities for sales will be allocated equitably to each investment
company. In some cases, this procedure may adversely affect the size of the
position obtained for or disposed of by the Fund or the price paid or
received by the Fund.
MANAGEMENT OF THE FUND
INVESTMENT ADVISER _ The Dreyfus Corporation, located at 200 Park Avenue,
New York, New York 10166, was formed in 1947 and serves as the Fund's
investment adviser. The Dreyfus Corporation is a wholly-owned subsidiary of
Mellon Bank, N.A., which is a wholly-owned subsidiary of Mellon Bank
Corporation ("Mellon"). As of April 30, 1997, The Dreyfus Corporation managed
or administered approximately $85 billion in assets for approximately 1.7
million investor accounts nationwide.
        The Dreyfus Corporation supervises and assists in the overall
management of the Fund's affairs under a Management Agreement with the Fund,
subject to the overall authority of the Fund's Board in accordance with
Massachusetts law.
        Mellon is a publicly owned multibank holding company incorporated
under Pennsylvania law in 1971 and registered under the Federal Bank Holding
Company Act of 1956, as amended. Mellon provides a comprehensive range of
financial products and services in domestic and selected international
markets. Mellon is among the twenty-five largest bank holding companies in
the United States based on total assets. Mellon's principal wholly-owned
subsidiaries are Mellon Bank, N.A., Mellon Bank (DE) National Association,
Mellon Bank (MD), The Boston Company, Inc., AFCO Credit Corporation and a
number of companies known as Mellon Financial Services Corporations. Through
its subsidiaries, including The Dreyfus Corporation, Mellon managed more than
$___ billion in assets as of March 31, 1997, including approximately $__
billion in proprietary mutual fund assets. As of March 31, 1997, Mellon,
through various subsidiaries, provided non-investment services, such as
custodial or administration services, for more than $___ trillion in assets,
including approximately $__ billion in mutual fund assets.
        Under the terms of the Management Agreement, The Dreyfus Corporation
receives a monthly fee at an annual rate of __ of 1% of the value of the
average daily net assets of the Fund. The Dreyfus Corporation pays all of the
Fund's expenses, except the management fee, brokerage commissions, taxes,
interest, fees and expenses of non-interested Board members, fees and
expenses of independent counsel to the Fund and to the non-interested Board
members and extraordinary expenses. The Dreyfus Corporation also has agreed
to

  [Page 4]

reduce its management fee in an amount equal to the accrued fees and expenses
of the non-interested Board members, and fees and expenses of independent
counsel to the Fund and to the non-interested Board members. From time to
time, The Dreyfus Corporation may waive receipt of its management fee and/or
voluntarily assume certain additional expenses of the Fund, which would have
the effect of lowering the expense ratio of the Fund and increasing yield to
investors. The Fund will not reimburse The Dreyfus Corporation for any
amounts it may waive, nor will the Fund reimburse The Dreyfus Corporation for
any amounts it may assume.
DISTRIBUTOR _ The Fund's distributor is Premier Mutual Fund Services, Inc.
(the "Distributor"), located at 60 State Street, Boston, Massachusetts 02109.
The Distributor's ultimate parent is Boston Institutional Group, Inc.
TRANSFER AND DIVIDEND DISBURSING AGENT AND CUSTODIAN _ Dreyfus Transfer,
Inc., a wholly-owned subsidiary of The Dreyfus Corporation, P.O. Box 9671,
Providence, Rhode Island 02940-9671, is the Fund's Transfer and Dividend
Disbursing Agent (the "Transfer Agent"). The Bank of New York, 90 Washington
Street, New York, New York 10286, is the Fund's Custodian (the "Custodian").
HOW TO BUY SHARES
        The Fund is designed for institutional investors, particularly
colleges and universities for the investment of endowment and other funds.
Fund shares will not be sold to institutions which desire to use the Fund as
a commercial sweep account.
        The minimum initial investment is $1 billion, unless the investor
has, in the opinion of Dreyfus Institutional Services Division, a division of
Dreyfus Service Corporation, adequate intent and availability of funds to
reach a future level of investment of $1 billion. There is no minimum for
subsequent purchases. The initial investment must be accompanied by the
Account Application. Stock certificates are issued only upon the investor's
written request. No certificates are issued for fractional shares. The Fund
reserves the right to reject any purchase order.
        Fund shares may be purchased by wire, by telephone or through a
compatible automated interface or trading system. All payments should be made
in U.S. dollars and, to avoid fees and delays, should be drawn only on U.S.
banks. To place an order by telephone, or to determine whether their computer
facilities are compatible with the Fund's, investors should telephone Dreyfus
Institutional Services Division at one of the telephone numbers listed under
"General Information" in this Prospectus.
        Fund shares are sold on a continuous basis at the net asset value per
share next determined after an order in proper form and Federal Funds (monies
of member banks in the Federal Reserve System which are held on deposit at a
Federal Reserve Bank) are received by the Custodian or by any agent or entity
subject to the direction of such agents. If an investor does not remit
Federal Funds, its payment must be converted into Federal Funds. This usually
occurs within one business day of receipt of a bank wire and within two
business days of receipt of a check drawn on a member bank of the Federal
Reserve System. Checks drawn on banks which are not members of the Federal
Reserve System may take considerably longer to convert into Federal Funds.
Prior to receipt of Federal Funds, the investor's money will not be invested.
        The Fund's net asset value per share is determined as of 5:00 p.m.,
New York time, on each day the New York Stock Exchange or the Transfer Agent
is open for business. Net asset value per share is computed by dividing the
value of the Fund's net assets (i.e., the value of its assets less
liabilities) by the total number of shares outstanding. See "Determination of
Net Asset Value" in the Statement of Additional Information.
        Investors whose orders are placed and payments are received in or
converted into Federal Funds by the Custodian by 12:00 Noon, New York time,
will become effective at the price determined at 5:00 p.m., New York time,
and will receive the dividend declared on such day. Except as described
below, investors whose payments are received in or converted into Federal
Funds after 12:00 Noon, New York time, by the Custodian, will begin to accrue
dividends on the following business day.
        Orders placed with Dreyfus Institutional Services Division in New
York after 12:00 Noon, New York time, but prior to 5:00 p.m., New York time,
and payments for which are received by the Custodian by 6:00 p.m., New York
time, will become effective at the price determined at 5:00 p.m., New York
time, and the shares so purchased will receive the dividend declared on such
day.

  [Page 5]

        Federal regulations require that an investor provide a certified
Taxpayer Identification Number ("TIN") upon opening or
reopening an account. See "Dividends, Distributions and Taxes" and the Fund's
Account Application for further information concerning this requirement.
Failure to furnish a certified TIN to the Fund could subject the shareholder
to a $50 penalty imposed by the Internal Revenue Service (the "IRS").
HOW TO REDEEM SHARES
GENERAL
          Investors may request redemption of their shares at any time and
the shares will be redeemed at the next determined net asset value.
        The Fund imposes no charges when shares are redeemed. Any stock
certificates representing Fund shares being redeemed must be submitted with
the redemption request. The value of the shares redeemed may be more or less
than their original cost, depending upon the Fund's then-current net asset
value.
        If a request for redemption is received in proper form, and
transmitted to the Custodian in New York by 5:00 p.m., New York time, the
proceeds of the redemption, if transfer by wire is requested, ordinarily will
be transmitted in Federal Funds on the same day and the shares will not
receive the dividend declared on that day. If the request is received later
that day in New York, the shares will receive the dividend declared on that
day and the proceeds of redemption, if wire transfer is requested, ordinarily
will be transmitted in Federal Funds on the next business day.
        The Fund ordinarily will make payment for all shares redeemed within
seven days after receipt by Dreyfus Institutional Services Division of a
redemption request in proper form, except as provided by the rules of the
Securities and Exchange Commission.
PROCEDURES
          Investors may redeem Fund shares by wire or telephone, or through a
compatible automated interface or trading system, as described below.
        If an investor selects a telephone redemption privilege (which is
granted automatically unless the investor refuses it), the investor
authorizes the Transfer Agent to act on telephone instructions from any
person representing himself or herself to be an authorized representative of
the investor, and reasonably believed by the Transfer Agent to be genuine.
The Fund will require the Transfer Agent to employ reasonable procedures,
such as requiring a form of personal identification, to confirm that
instructions are genuine and, if they do not follow such procedures, the Fund
or the Transfer Agent may be liable for any losses due to unauthorized or
fraudulent instructions. Neither the Fund nor the Transfer Agent will be liable
for following telephone instructions reasonably believed to be genuine.
        During times of drastic economic or market conditions, investors may
experience difficulty in contacting the Fund or its agents by telephone to
request a redemption or exchange of Fund shares. In such cases, investors
should consider using the other redemption procedures described herein.
REDEMPTION BY WIRE OR TELEPHONE _ Investors may redeem Fund shares by wire
or telephone. The redemption proceeds will be paid by wire transfer.
Investors can redeem shares by telephone by calling one of the telephone
numbers listed under "General Information." The Fund reserves the right to
refuse any request made by wire or telephone and may limit the amount
involved or the number of telephone redemptions. This procedure may be
modified or terminated at any time by the Transfer Agent or the Fund. The
Statement of Additional Information sets forth instructions for redeeming
shares by wire. Shares for which certificates have been issued may not be
redeemed by wire or telephone.
REDEMPTION THROUGH COMPATIBLE AUTOMATED FACILITIES _ The Fund makes
available to institutions the ability to redeem shares through a compatible
automated interface or trading system. Investors desiring to redeem shares in
this manner should call Dreyfus Institutional Services Division at one of the
telephone numbers listed under "General Information" to determine whether
their automated facilities are compatible and to receive instructions for
redeeming shares in this manner.

  [Page 6]

DIVIDENDS, DISTRIBUTIONS AND TAXES
        The Fund ordinarily declares dividends from net investment income on
each day the New York Stock Exchange or the Transfer Agent is open for
business. Fund shares begin earning income dividends on the day the purchase
order is effective. Dividends usually are paid on the last calendar day of
each month, and are automatically reinvested in additional Fund shares at net
asset value or, at the investor's option, paid in cash. The Fund's earnings
for Saturdays, Sundays and holidays are declared as dividends on the
preceding business day. If an investor redeems all shares in its account at
any time during the month, all dividends to which the investor is entitled
are paid along with the proceeds of the redemption. Distributions from net
realized securities gains, if any, generally are declared and paid once a
year, but the Fund may make distributions on a more frequent basis to comply
with the distribution requirements of the Internal Revenue Code of 1986, as
amended (the "Code"), in all events in a manner consistent with the
provisions of the 1940 Act. The Fund will not make distributions from net
realized securities gains unless capital loss carryovers, if any, have been
utilized or have expired. Investors may choose whether to receive
distributions in cash or to reinvest in additional Fund shares at net asset
value. All expenses are accrued daily and deducted before declaration of
dividends to investors.
        Dividends derived from net investment income, together with
distributions from any net realized short-term securities gains and gains
from the sale or other disposition of certain market discount bonds, paid by
the Fund are taxable as ordinary income, whether received in cash or
reinvested in Fund shares, if the owner of Fund shares is a citizen or
resident of the United States. No dividend paid by the Fund will qualify for
the dividends received deduction allowable to certain U.S. corporations.
Distributions from net realized long-term securities gains of the Fund, if
any, generally are taxable as long-term capital gains for Federal income tax
purposes regardless of how long the owner of the Fund shares has held the
shares and whether such distributions are received in cash or reinvested in
additional Fund shares if the owner of Fund shares is a citizen or resident
of the United States. The Code provides that the net capital gain of an
individual generally will not be subject to Federal income tax at a rate in
excess of 28%.
        Dividends derived from net investment income, together with
distributions from net realized short-term securities gains and gains from
the sale or other disposition of certain market discount bonds, paid by the
Fund with respect to Fund shares beneficially owned by a foreign person
generally are subject to U.S. nonresident withholding taxes at the rate of
30%, unless the foreign person claims the benefit of a lower rate specified
in a tax treaty. Distributions from net realized long-term securities gains
paid by the Fund with respect to Fund shares beneficially owned by a foreign
person generally will not be subject to U.S. nonresident withholding tax.
However, such distributions may be subject to backup withholding, as
described below, unless the foreign person certifies his non-U.S. residency
status.
        Notice as to the tax status of dividends and distributions will be
mailed to investors annually. Each investor also will receive periodic
summaries of such investor's account which will include information as to
dividends and distributions from securities gains, if any, paid during the
year.
        Federal regulations generally require the Fund to withhold ("backup
withholding") and remit to the U.S. Treasury 31% of dividends and
distributions from net realized securities gains of the Fund paid to a
shareholder if such shareholder fails to certify either that the TIN
furnished in connection with opening an account is correct, or that such
shareholder has not received notice from the IRS of being subject to backup
withholding as a result of a failure to properly report taxable dividend or
interest income on a Federal income tax return. Furthermore, the IRS may
notify the Fund to institute backup withholding if the IRS determines a
shareholder's TIN is incorrect or if a shareholder has failed to properly
report taxable dividend and interest income on a Federal income tax return.
        A TIN is either the Social Security number or employer identification
number of the record owner of the account. Any tax withheld as a result of
backup withholding does not constitute an additional tax imposed on the
record owner of the account, and may be claimed as a credit on the record
owner's Federal income tax return.
        It is expected that the Fund will qualify as a "regulated investment
company" under the Code so long as   such qualification is in the best
interests of its shareholders. Such qualification relieves the Fund of any
liabili-

  [Page 7]

ty for Federal income tax to the extent its earnings are distributed in
accordance with applicable provisions of the Code. The Fund is subject to a
non-deductible 4% excise tax, measured with respect to certain undistributed
amounts of taxable investment income and capital gains.
        Each investor should consult its tax adviser regarding specific
questions as to Federal, state or local taxes.
GENERAL INFORMATION
        The Fund is organized as an unincorporated business trust under the
laws of the Commonwealth of Massachusetts, pursuant to an Amended and
Restated Agreement and Declaration of Trust, and has not engaged in active
business to the date of this Prospectus. The Fund is authorized to issue an
unlimited number of shares of beneficial interest, par value $.001 per share.
Each share has one vote.
        Under Massachusetts law, shareholders could, under certain
circumstances, be held liable for the obligations of the Fund. However, the
Fund's Amended and Restated Agreement and Declaration of Trust (the "Trust
Agreement") disclaims shareholder liability for acts or obligations of the
Fund and requires that notice of such disclaimer be given in each agreement,
obligation or instrument entered into or executed by the Fund or its
Trustees. The Trust Agreement provides for indemnification from the Fund's
property for all losses and expenses of any shareholder held personally liable
for the obligations of the Fund. Thus, the risk of a shareholder's incurring
financial loss on account of shareholder liability is limited to
circumstances in which the Fund itself would be unable to meet its
obligations, a possibility which management believes is remote. Upon payment
of any liability incurred by a Fund organized as a Massachusetts business
trust, the shareholder paying such liability will be entitled to reimbursement
 from the general assets of the Fund. The Fund intends to conduct its
operations in such a way so as to avoid, as far as possible, ultimate
liability of its shareholders for liabilities of the Fund. As described under
"Management of the Fund" in the Statement of Additional Information,
ordinarily, the Fund does not hold shareholder meetings; however,
shareholders under certain circumstances may have the right to call a meeting
of shareholders for the purpose of voting to remove Trustees.
        The Transfer Agent maintains a record of each investor's ownership
and sends confirmations and statements of account.
        Shareholder inquiries may be made by writing to the Fund at 144 Glenn
Curtiss Boulevard, Uniondale, New York 11556-0144, or, by calling in New York
State, 1-718-895-1650 or, outside New York State, 1-800-346-3621.

  [Page 8]

APPENDIX
INVESTMENT TECHNIQUES
BORROWING MONEY _ The Fund is permitted to borrow to the extent permitted
under the 1940 Act, which permits an investment company to borrow in an
amount up to 331\3% of the value of its total assets. The Fund currently
intends to borrow money only for temporary or emergency (not leveraging)
purposes in an amount up to 15% of the value of its total assets (including
the amount borrowed) valued at the lesser or cost or market, less liabilities
(not including the amount borrowed) at the time the borrowing is made. While
such borrowings exceed 5% of the value of the Fund's total assets, the Fund
will not make any additional investments. In addition, the Fund may borrow
for investment purposes on a secured basis through entering into reverse
repurchase agreements as described below.
REVERSE REPURCHASE AGREEMENTS _ The Fund may enter into reverse repurchase
agreements with banks, brokers or dealers. Reverse repurchase agreements
involve the transfer by the Fund of an underlying debt instrument in return
for cash proceeds based on a percentage of the value of the security. The
Fund retains the right to receive interest and principal payments on the
security. The Fund will use the proceeds of reverse repurchase agreements
only to make investments which generally either mature or have a demand
feature to resell to the issuer at a date simultaneous with or prior to the
expiration of the reverse repurchase agreement. At an agreed upon future
date, the Fund repurchases the security, at principal, plus accrued interest.
As a result of these transactions, the Fund is exposed to greater potential
fluctuations in the value of its assets and its net asset value per share.
These borrowings will be subject to interest costs which may or may not be
recovered by appreciation of the securities purchased; in certain cases, inter
est costs may exceed the return received on the securities purchased.
LENDING PORTFOLIO SECURITIES _ The Fund may lend securities from its
portfolio to brokers, dealers and other financial institutions needing to
borrow securities to complete certain transactions. The Fund continues to be
entitled to payments in amounts equal to the interest or other distributions
payable on the loaned securities which affords the Fund an opportunity to
earn interest on the amount of the loan and on the loaned securities'
collateral. Loans of portfolio securities may not exceed 331/3% of the value
of the Fund's total assets, and the Fund will receive collateral consisting
of cash or U.S. Government securities which will be maintained at all times
in an amount equal to at least 100% of the current market value of the loaned
securities. Such loans are terminable by the Fund at any time upon specified
notice. The Fund might experience risk of loss if the institution with which
it has engaged in a portfolio loan transaction breaches its agreement with
the Fund.
FORWARD COMMITMENTS _ The Fund may purchase money market instruments on a
forward commitment or when-issued basis, which means that delivery and
payment take place a number of days after the date of the commitment to
purchase. The payment obligation and the interest rate receivable on a
forward commitment or when-issued security are fixed when the Fund enters
into the commitment, but the Fund does not make payment until it receives
delivery from the counterparty. The Fund will commit to purchase such
securities only with the intention of actually acquiring the securities, but
the Fund may sell these securities before the settlement date if it is deemed
advisable. A segregated account of the Fund consisting of permissible liquid
assets at least equal at all times to the amount of the commitments will be
established and maintained at the Fund's custodian bank.
CERTAIN PORTFOLIO SECURITIES
U.S. GOVERNMENT SECURITIES _ The Fund may invest in U.S. Treasury securities
and other securities issued or guaranteed by the U.S. Government or its
agencies or instrumentalities. These securities differ in their interest
rates, maturities and times of issuance. Some obligations issued or
guaranteed by U.S. Government agencies and instrumentalities are supported by
the full faith and credit of the U.S. Treasury; others by the right of the
issuer to borrow from the Treasury; others by discretionary authority of the
U.S. Government to purchase certain obligations of the agency or
instrumentality; and others only by the credit of the agency or
instrumentality. These securities bear fixed, floating or variable rates of
interest. While the U.S. Government currently provides financial support to
such U.S. Government-sponsored agencies or instrumentalities, no assurance
can be given that it will always do so, since it is not so obligated by law.

  [Page 9]

REPURCHASE AGREEMENTS _ The Fund may enter into repurchase agreements with
certain banks and non-bank dealers. In a repurchase agreement, the Fund buys,
and the seller agrees to repurchase, a security at a mutually agreed upon
time and price (usually within seven days). The repurchase agreement thereby
determines the yield during the purchaser's holding period, while the
seller's obligation to repurchase is secured by the value of the underlying
security. Repurchase agreements could involve risks in the event of a default
or insolvency of the other party to the agreement, including possible delays
or restrictions upon the Fund's ability to dispose of the underlying
securities.
BANK OBLIGATIONS _ The Fund may purchase certificates of deposit, time
deposits, bankers' acceptances and other short-term obligations issued by
domestic banks, foreign subsidiaries or foreign branches of domestic banks,
domestic and foreign branches of foreign banks, domestic savings and loan
associations and other banking institutions. With respect to such securities
issued by foreign subsidiaries or foreign branches of domestic banks, and
domestic and foreign branches of foreign banks, the Fund may be subject to
additional investment risks that are different in some respects from those
incurred by a fund which invests only in debt obligations of U.S. domestic
issuers. See "Description of the Fund_Investment Considerations and
Risks_Foreign Securities."
        Certificates of deposit are negotiable certificates evidencing the
obligation of a bank to repay funds deposited with it for a specified period
of time.
        Time deposits are non-negotiable deposits maintained in a banking
institution for a specified period of time (in no event longer than seven
days) at a stated interest rate.
        Bankers' acceptances are credit instruments evidencing the obligation
of a bank to pay a draft drawn on it by a customer. These instruments reflect
the obligation both of the bank and the drawer to pay the face amount of the
instrument upon maturity. The other short-term obligations may include
uninsured, direct obligations bearing fixed, floating or variable interest
rates.
COMMERCIAL PAPER _ Commercial paper consists of short-term, unsecured
promissory notes issued to finance short-term credit needs. The commercial
paper purchased by the Fund will consist only of direct obligations issued by
domestic and foreign entities. The other corporate obligations in which the
Fund may invest consist of high quality, U.S. dollar denominated short-term
bonds and notes (including variable amount master demand notes).
FLOATING AND VARIABLE RATE OBLIGATIONS _ The Fund may purchase floating and
variable rate demand notes and bonds, which are obligations ordinarily having
stated maturities in excess of 13 months, but which permit the holder to
demand payment of principal at any time, or at specified intervals not
exceeding 13 months, in each case upon not more than 30 days' notice.
Variable rate demand notes include master demand notes which are obligations
that permit the Fund to invest fluctuating amounts, at varying rates of
interest, pursuant to direct arrangements between the Fund, as lender, and
the borrower. These obligations permit daily changes in the amounts borrowed.
Because these obligations are direct lending arrangements between the lender
and borrower, it is not contemplated that such instruments generally will be
traded, and there generally is no established secondary market for these
obligations, although they are redeemable at face value, plus accrued
interest. Accordingly, where these obligations are not secured by letters of
credit or other credit support arrangements, the Fund's right to redeem is
dependent on the ability of the borrower to pay principal and interest on
demand.
ASSET-BACKED SECURITIES _ The asset-backed securities in which the Fund may
invest are securities issued by special purpose entities whose primary assets
consist of a pool of mortgages, loans, receivables or other assets. Payment
of principal and interest may depend largely on the cash flows generated by
the assets backing the securities and in certain cases, supported by letters
of credit, surety bonds or other forms of credit or liquidity enhancements.
The value of these asset-backed securities also may be affected by the
creditworthiness of the servicing agent for the pool of assets, the originator
of the loans or receivables or the financial institutions providing the credit
support.
ILLIQUID SECURITIES _ The Fund may invest up to 10% of the value of its net
assets in securities as to which a liquid trading market does not exist,
provided such investments are consistent with the Fund's investment
objective. Such securities may include securities that are not readily
marketable, such as certain securities that

  [Page 10]

are subject to legal or contractual restrictions on resale, and repurchase
agreements providing for settlement in more than seven days after notice. As
to these securities, the Fund is subject to a risk that should the Fund
desire to sell them when a ready buyer is not available at a price the Fund
deems representative of their value, the value of the Fund's net assets could
be adversely affected.
        NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY
REPRESENTATIONS OTHER THAN THOSE CONTAINED IN THIS PROSPECTUS AND IN THE
FUND'S OFFICIAL SALES LITERATURE IN CONNECTION WITH THE OFFER OF THE FUND'S
SHARES, AND, IF GIVEN OR MADE, SUCH OTHER INFORMATION OR REPRESENTATIONS MUST
NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY THE FUND. THIS PROSPECTUS
DOES NOT CONSTITUTE AN OFFER IN ANY STATE IN WHICH, OR TO ANY PERSON TO WHOM,
SUCH OFFERING MAY NOT LAWFULLY BE MADE.

  [Page 11]


PROSPECTUS
Dreyfus
Institutional
Preferred
Money Market
Fund
Copy Rights 1997 Dreyfus Service Corporation
                                          719p000097

  [Page 12]




        DREYFUS INSTITUTIONAL PREFERRED MONEY MARKET FUND
                              PART B
              (STATEMENT OF ADDITIONAL INFORMATION)
                                             , 1997



     This Statement of Additional Information, which is not a prospectus,
supplements and should be read in conjunction with the current Prospectus
for Dreyfus Institutional Preferred Money Market Fund (the "Fund"), dated
, 1997, as it may be revised from time to time.  To obtain a copy of the
Fund's Prospectus, please write to the Fund at 144 Glenn Curtiss Boulevard,
Uniondale, New York 11556-0144, or call the following numbers:

          In New York State -- Call 1-718-895-1650
          Outside New York State -- Call Toll Free 1-800-346-3621

     The Dreyfus Corporation (the "Manager") serves as the Fund's investment
adviser.

     Premier Mutual Fund Services, Inc. (the "Distributor") serves as the
distributor of the Fund's shares.

                        TABLE OF CONTENTS
                                                            Page

Investment Objective and Management Policies................B-2
Management of the Fund......................................B-5
Management Agreement........................................B-7
How to Buy Shares...........................................B-9
How to Redeem Shares........................................B-9
Determination of Net Asset Value............................B-10
Dividends, Distributions and Taxes..........................B-11
Portfolio Transactions......................................B-11
Yield Information...........................................B-12
Information About the Fund..................................B-12
Transfer and Dividend Disbursing Agent, Custodian,
  Counsel and Independent Auditors..........................B-13
Appendix....................................................B-14
Financial Statement.........................................B-
Report of Independent Auditors..............................B-

           INVESTMENT OBJECTIVE AND MANAGEMENT POLICIES

     The following information supplements and should be read in conjunction
with the sections in the Fund's Prospectus entitled "Description of the
Fund" and "Appendix."

Portfolio Securities

     Bank Obligations.  Domestic commercial banks organized under Federal
law are supervised and examined by the Comptroller of the Currency and are
required to be members of the Federal Reserve System and to have their
deposits insured by the Federal Deposit Insurance Corporation (the "FDIC").
Domestic banks organized under state law are supervised and examined by
state banking authorities but are members of the Federal Reserve System only
if they elect to join.  In addition, state banks whose certificates of
deposit ("CDs") may be purchased by the Fund are insured by the Bank
Insurance Fund administered by the FDIC (although such insurance may not be
of material benefit to the Fund, depending on the principal amount of the
CDs of each bank held by the Fund) and are subject to Federal examination
and to a substantial body of Federal law and regulation.  As a result of
Federal or state laws and regulations, domestic branches of domestic banks
whose CDs may be purchased by the Fund are, among other things, generally
required to maintain specified levels of reserves, are limited in the
amounts which they can loan to a single borrower and are subject to other
regulation designed to promote financial soundness.  However, not all of
such laws and regulations apply to the foreign branches of domestic banks.

     Obligations of foreign branches of domestic banks, foreign subsidiaries
of domestic banks and domestic and foreign branches of foreign banks, such
as CDs and time deposits ("TDs"), may be general obligations of the parent
banks in addition to the issuing branch, or may be limited by the terms of a
specific obligation and governmental regulation.  Such obligations are
subject to different risks than are those of domestic banks.  These risks
include foreign economic and political developments, foreign governmental
restrictions that may adversely affect payment of principal and interest on
the obligations, foreign exchange controls and foreign withholding and other
taxes on interest income.  Foreign branches and subsidiaries are not
necessarily subject to the same or similar regulatory requirements that
apply to domestic banks, such as mandatory reserve requirements, loan
limitations, and accounting, auditing and financial recordkeeping
requirements.  In addition, less information may be publicly available about
a foreign branch of a domestic bank or about a foreign bank than about a
domestic bank.

     Obligations of United States branches of foreign banks may be general
obligations of the parent bank in addition to the issuing branch, or may be
limited by the terms of a specific obligation or by Federal or state
regulation as well as governmental action in the country in which the
foreign bank has its head office.  A domestic branch of a foreign bank with
assets in excess of $1 billion may or may not be subject to reserve
requirements imposed by the Federal Reserve System or by the state in which
the branch is located if the branch is licensed in that state.

     In addition, Federal branches licensed by the Comptroller of the
Currency and branches licensed by certain states ("State Branches") may be
required to: (1) pledge to the regulator, by depositing assets with a
designated bank within the state, a certain percentage of their assets as
fixed from time to time by the appropriate regulatory authority; and (2)
maintain assets within the state in an amount equal to a specified
percentage of the aggregate amount of liabilities of the foreign bank
payable at or through all of its agencies or branches within the state.  The
deposits of Federal and State Branches generally must be insured by the FDIC
if such branches take deposits of less than $100,000.

     In view of the foregoing factors associated with the purchase of CDs
and TDs issued by foreign branches of domestic banks, by foreign
subsidiaries of domestic banks, by foreign branches of foreign banks or by
domestic branches of foreign banks, the Manager carefully evaluates such
investments on a case-by-case basis.

     The Fund may purchase CDs issued by banks, savings and loan
associations and similar thrift institutions with less than $1 billion in
assets, whose deposits are insured by the FDIC, provided the Fund purchases
any such CD in a principal amount of not more than $100,000, which amount
would be fully insured by the Bank Insurance Fund or the Savings Association
Insurance Fund administered by the FDIC.  Interest payments on such a CD are
not so insured.  The Fund will not own more than one such CD per such
issuer.

     Repurchase Agreements.  The Fund's custodian will have custody of, and
will hold in a segregated account, securities acquired by the Fund under a
repurchase agreement.  Repurchase agreements are considered by the staff of
Securities and Exchange Commission to be loans by the Fund.  In an attempt
to reduce the risk of incurring a loss on a repurchase agreement, the Fund
will enter into repurchase agreements only with domestic banks with total
assets in excess of $1 billion, or primary government securities dealers
reporting to the Federal Reserve Bank of New York, with respect to
securities of the type in which the Fund may invest, and will require that
additional securities be deposited with it if the value of the securities
purchased should decrease below the resale price.

     Illiquid Securities.  Where a substantial market of qualified
institutional buyers develops for certain restricted securities purchased by
the Fund pursuant to Rule 144A under the Securities Act of 1933, as amended,
the Fund intends to treat such securities as liquid securities in accordance
with procedures approved by the Fund's Board.  Because it is not possible to
predict with assurance how the market for restricted securities pursuant to
Rule 144A will develop, the Fund's Board has directed the Manager to monitor
carefully the Fund's investments in such securities with particular regard
to trading activity, availability of reliable price information and other
relevant information.  To the extent that, for a period of time, qualified
institutional buyers cease purchasing restricted securities pursuant to Rule
144A, the Fund's investing in such securities may have the effect of
increasing the level of illiquidity in the Fund's portfolio during such
period.

Management Policies

     Lending Portfolio Securities.  In connection with its securities
lending transactions, the Fund may return to the borrower and/or a third
party, which is unaffiliated with the Fund, and which is acting as a
"placing broker," a part of the interest earned from the investment of
collateral received for securities loaned.

     The Securities and Exchange Commission currently requires that the
following conditions must be met whenever portfolio securities are loaned:
(1) the Fund must receive at least 100% cash collateral from the borrower;
(2) the borrower must increase such collateral whenever the market value of
the securities rises above the level of such collateral; (3) the Fund must
be able to terminate the loan at any time; (4) the Fund must receive
reasonable interest on the loan, as well as any interest or other
distributions payable on the loaned securities, and any increase in market
value; and (5) the Fund may pay only reasonable custodian fees in connection
with the loan.

     Reverse Repurchase Agreements.  To the extent the Fund enters into a
reverse repurchase agreement, the Fund will maintain in a segregated account
consisting of permissible liquid assets at least equal to the aggregate
amount of its reverse repurchase obligations, plus accrued interest, in
certain cases, in accordance with releases promulgated by the Securities and
Exchange Commission. The Securities and Exchange Commission views reverse
repurchase transactions as collateralized borrowings by the Fund, and
pursuant to the Investment Company Act of 1940, as amended (the "1940 Act"),
the Fund must maintain continuous asset coverage (that is, total assets
including borrowings, less liabilities exclusive of borrowings) of 300% of
the amount borrowed.  If the required coverage should decline as a result of
market fluctuations or other reasons, the Fund may be required to sell some
of its portfolio securities within three days to reduce the amount of its
borrowings and restore the 300% asset coverage, even though it may be
disadvantageous from an investment standpoint to sell securities at that
time.

     Forward Commitments.  Securities purchased on a forward commitment or
when-issued basis are subject to changes in value (generally changing in the
same way, i.e., appreciating when interest rates decline and depreciating
when interest rates rise) based upon the public's perception of the
creditworthiness of the issuer and changes, real or anticipated, in the
level of interest rates. Securities purchased on a forward commitment or
when-issued basis may expose the Fund to risks because they may experience
such fluctuations prior to their actual delivery.  Purchasing securities on
a when-issued basis can involve the additional risk that the yield available
in the market when the delivery takes place actually may be higher than that
obtained in the transaction itself.  Purchasing securities on a forward
commitment or when-issued basis when the Fund is fully or almost fully
invested may result in greater potential fluctuation in the value of the
Fund's net assets and its net asset value per share.

Investment Restrictions

     The Fund has adopted the investment restrictions numbered 1 through 9
as fundamental policies, which cannot be changed without approval by the
holders of a majority (as defined in the 1940 Act) of the Fund's outstanding
voting shares.  Investment restrictions numbered 10 and 11 are not
fundamental policies and may be changed by vote of a majority of the Fund's
Board members at any time.  The Fund may not:

     1.   Invest in commodities.

     2.   Borrow money, except to the extent permitted under the 1940 Act, which
currently limits borrowing to up to 33 1/3 % of the value of the
Fund's total assets.

     3.   Purchase or sell securities on margin.

     4.   Issue any senior security (as such term is defined in Section 18(f) of
the 1940 Act).

     5.   Act as underwriter of securities of other issuers, except to the
extent the Fund may be deemed an underwriter under the Securities Act of
1933, as amended, by virtue of disposing of portfolio securities.

     6.   Purchase, hold or deal in real estate, or oil, gas, or other mineral
leases or exploration or development programs, but the Fund may
purchase and sell securities that are secured by real estate or issued by
companies that invest in or deal in real estate.

     7.   Make loans to others except through the purchase of debt obligations
and the entry into repurchase agreements.  However, the Fund may lend its
portfolio securities in an amount not to exceed 33-1/3% of the
value of its total assets.  Any loans of portfolio securities will be made
according to guidelines established by the Securities and Exchange
Commission and the Fund's Board.

     8.   Invest more than 5% of its assets in the obligations of any one
issuer, except that up to 25% of the value of the Fund's total assets may be
invested without regard to any such limitations.

     9.   Invest less than 25% of its total assets in securities issued by banks
or invest more than 25% in the securities of issuers in any other industry,
provided that there shall be no limitation on the purchase of obligations issued
or guaranteed by the U.S. Government, its agencies or instrumentalities.
Notwithstanding the foregoing, for temporary defensive purposes the Fund may
invest less than 25% of its assets in bank
obligations.

     10.  Pledge, mortgage, hypothecate or otherwise encumber its assets, except
to the extent necessary to secure permitted borrowings and to the
extent related to the deposit of assets in escrow in connection with the
purchase of securities on a when-issued or forward commitment basis.

     11.  Enter into repurchase agreements providing for settlement in more than
seven days after notice or purchase securities which are illiquid if,
in the aggregate, more than 10% of the value of the Fund's net assets would
be so invested.

     If a percentage restriction is adhered to at the time of investment, a
later increase or decrease in percentage resulting from a change in values
or assets will not constitute a violation of that restriction.

                      MANAGEMENT OF THE FUND

     Board members and officers of the Fund, together with information as to
their principal business occupations during at least the last five years,
are shown below.

Board Members of the Fund

     [TBD]

     Ordinarily, meetings of shareholders for the purpose of electing Board
members will not be held unless and until such time as less than a majority
of the Board members holding office have been elected by shareholders, at
which time the Board members then in office will call a shareholders'
meeting for the election of board members.  Under the 1940 Act, shareholders
of record of not less than two-thirds of the outstanding shares of the Fund
may remove a Board member through a declaration in writing or by vote cast
in person or by proxy at a meeting called for that purpose.  The Board
members will call a meeting of shareholders for the purpose of voting upon
the question of removal of any such board member when requested in writing
to do so by the shareholders of record of not less than 10% of the Fund's
outstanding shares.

     Board members are entitled to receive an annual retainer and a per meeting
fee and reimbursement for their expenses.  Emeritus Board members are entitled
to receive an annual retainer and a per meeting fee of one-half the amount paid
to them as Board members.  The Chairman of the Board receives an additional 25%
of the amount paid to Board members.  The aggregate estimated amount of
compensation to be paid to each Board member by the Fund for the fiscal year
ending _________, 1997, and by all other funds in the Dreyfus Family of Funds
for which such person is a Board member (the number of which is set forth in
parenthesis next to each Board member's total compensation for the year ended
December 31, 1996, is as follows:

                         Aggregate Estimated           Total Compensation From
Name of Board            Compensation from             Fund and Fund Complex
Member                   Fund                          Paid to Board Member


 [TBD]

Officers of the Fund

MARIE E. CONNOLLY, President, Treasurer, and Trustee.  President, Chief
     Executive Officer, and a Director of the Distributor, and an officer
     of other investment companies advised or administered by the Manager.
     From December 1991 to July 1994, she was President and Chief
     Compliance Officer of Funds Distributor, Inc., the ultimate parent of
     which is Boston Institutional Group, Inc.  She is 38 years old.

JOHN E. PELLETIER, Vice President and Secretary.  Senior Vice President -
     General Counsel of the Distributor and an officer of other investment
     companies advised or administered by the Manager.  From February 1992
     to July 1994, he served as Counsel for The Boston Company Advisors,
     Inc.  He is 32 years old.

ELIZABETH A. KEELEY, Vice President and Assistant Secretary.  Assistant
     Vice President of the Distributor since ______, and an officer of
     other investment companies advised or administered by the Manager.
     She is 26 years old.

DOUGLAS C. CONROY,  Vice President and Assistant Secretary.  Supervisor of
     Treasury Services and Administration of Funds Distributor, Inc., and
     an officer of other investment companies advised or administered by
     the Manager.  From April 1993 to January 1995, he was a Senior Fund
     Accountant for Investors Bank & Trust Company.  From December 1991 to
     March 1993, he was employed as a Fund Accountant at The Boston
     Company, Inc.  He is 27 years old.

MARK A. KARPE, Vice President and Assistant Secretary.  Senior Paralegal of
     the Distributor and an officer of other investment companies advised or
     administered by the Manager.  Prior to August 1993, he was employed as
     an Associate Examiner at the National Association of Securities
     Dealers, Inc.  He is 27 years old.

RICHARD W. INGRAM, Vice President and Assistant Treasurer.  Senior Vice
     President and Director of Client Services and Treasury Operations of
     Funds Distributor, Inc. and an officer of other investment companies
     advised or administered by the Manager.  From March 1994 to November
     1995, he was Vice President and Division Manager for First Data
     Investor Services Group.  From 1989 to 1994, he was Vice President,
     Assistant Treasurer and Tax Director of Mutual Funds of The Boston
     Company, Inc.  He is 40 years old.

MARY A. NELSON, Vice President and Assistant Treasurer.  Vice President
     and Manager of Treasury Services and Administration of Funds
     Distributor, Inc. and an officer of other investment companies
     advised or administered by the Manager.  From September 1989 to July
     1994, she was an Assistant Vice President and Client Manager for The
     Boston Company, Inc.  She is 32 years old.

JOSEPH F. TOWER, III, Vice President and Assistant Treasurer.  Senior Vice
     President, Treasurer, and Chief Financial Officer of the Distributor
     and an officer of other investment companies advised or administered
     by the Manager.  From 1988 to August 1994, he was employed by The
     Boston Company, Inc. where he held various manager positions in the
     Corporate Finance and Treasury areas.  He is 33 years old.

MICHAEL S. PETRUCELLI.  Vice President and Assistant Treasurer.  Director
     of Strategic Client Initiatives for Funds Distributor, Inc. and an
     officer of other investment companies advised or administered by the
     Manager.  From December 1989 through November 1996, he was employed
     by GE Investments where he held various financial, business
     development and compliance positions.  He is 35 years old.

     The address of each officer of the Fund is 200 Park Avenue, New York,
New York 10166.

                      MANAGEMENT AGREEMENT

     The following information supplements and should be read in
conjunction with the section in the Fund's Prospectus entitled "Management
of the Fund."

     The Manager provides management services pursuant to the Management
Agreement (the "Agreement") dated            , 1997, with the Fund, which
is subject to annual approval by (i) the Fund's Board or (ii) vote of a
majority (as defined in the 1940 Act) of the outstanding voting securities
of the Fund, provided that in either event the continuance also is
approved by a majority of the Board members who are not "interested
persons" (as defined in the 1940 Act) of the Fund or the Manager, by vote
cast in person at a meeting called for the purpose of voting on such
approval.  The Agreement is terminable without penalty on 60 days notice
by the Fund's Board or by vote of the holders of a majority of the Fund's
shares or, on not less than 90 days' notice, by the Manager.  The
Agreement will terminate automatically in the event of its assignment (as
defined in the 1940 Act).

     The following persons are officers and/or directors of the Manager:
W. Keith Smith, Chairman of the Board; Christopher M. Condron, President,
Chief Executive Officer, Chief Operating Officer and a director; Stephen
E. Canter, Vice Chairman, Chief Investment Officer and a director;
Lawrence S. Kash, Vice Chairman-Distribution and a director; William T.
Sandalls, Jr., Vice President and Chief Financial Officer; Mark N. Jacobs,
Vice President, General Counsel and Secretary; Patrice M. Kozklowski, Vice
President--Corporate Communications; Mary Beth Leibig, Vice President--
Human Resources; Jeffrey N. Nachman, Vice President-Mutual Fund
Accounting; Andrew S. Wasser, Vice President-Information Systems; William
V. Healey, Assistant Secretary; and Mandell L. Berman, Burton C. Borgelt,
and Frank V. Cahouet, directors.

     The Manager manages the Fund's portfolio of investments in accordance
with the stated policies of the Fund, subject to the approval of the
Fund's Board.  The Manager is responsible for investment decisions, and
provides the Fund with portfolio managers who are authorized by the Board
to execute purchases and sales of securities.  The Fund's portfolio
managers are Bernard W. Kiernan, Jr., Patricia A. Larkin, and Thomas
Riordan.  The Manager also maintains a research department with a
professional staff of securities analysts who provide research services
for the Fund as well as for other funds advised by the Manager.

     The Manager maintains office facilities on behalf of the Fund and
furnishes statistical and research data, clerical help, accounting, data
processing, bookkeeping and internal auditing and certain other required
services to the Fund.  The Manager also may make such advertising and
promotional expenditures, using its own resources, as it from time to time
deems appropriate.

     Expenses.  All expenses incurred in the operation of the Fund are
borne by the Manager, except the management fee, taxes, interest,
brokerage fees and commissions, if any, fees and expenses of non-
interested Board members, fees and expenses of independent counsel to the
Fund and to the non-interested Board members, and any extraordinary
expenses.

     As compensation for Manager's services, the Fund has agreed to pay
the Manager a monthly fee at the annual rate of            of 1% of the
value of the Fund's average daily net assets. All fees and expenses are
accrued daily and deducted before declaration of dividends to
shareholders.  Dreyfus has agreed to reduce its management fee in an
amount equal to the accrued fees and expenses of the non-interested Board
members, and the fees and expenses of independent counsel to the Fund and
to the non-interested Board members.

     The aggregate of the fees payable to the Manager is not subject to
reduction as the value of the Fund's net assets increases.

                       HOW TO BUY SHARES

     The following information supplements and should be read in
conjunction with the section in the Fund's Prospectus entitled "How to Buy
Shares."

     The Distributor.  The Distributor serves as the Fund's distributor on
a best efforts basis pursuant to an agreement which is renewable annually.
The Distributor also acts as distributor for the other funds in the
Dreyfus Family of Funds and for certain other investment companies.

     Using Federal Funds.  Dreyfus Transfer, Inc., the Fund's transfer and
dividend disbursing agent (the "Transfer Agent"), or the Fund may attempt
to notify the investor upon receipt of checks drawn on banks that are not
members of the Federal Reserve System as to the possible delay in
conversion into Federal Funds and may attempt to arrange for a better
means of transmitting the money.

                      HOW TO REDEEM SHARES

     The following information supplements and should be read in
conjunction with the section in the Fund's Prospectus entitled "How to
Redeem Shares."

     Redemption by Wire or Telephone.  By using this procedure, the
investor authorizes the Transfer Agent to act on wire or telephone
redemption instructions from any person representing himself or herself to
be an authorized representative of the investor, and reasonably believed
by the Transfer Agent to be genuine.  Ordinarily, the Fund will initiate
payment for shares redeemed pursuant to this procedure on the same
business day if Dreyfus Institutional Services Division receives the
redemption request in proper form in New York by 5:00 p.m., New York time,
otherwise the Fund will initiate payment on the next business day.
Redemption proceeds will be transferred by Federal Reserve wire only to a
bank that is a member of the Federal Reserve System.

     Investors with access to telegraphic equipment may wire redemption
requests to the Transfer Agent by employing the following transmittal code
which may be used for domestic or overseas transmission:

                                        Transfer Agent's
     Transmittal Code                   Answer Back Sign
         144295                         144295 TSSG PREP

     Investors who do not have direct access to telegraphic equipment may
have the wire transmitted by contacting a TRT Cables operator at 1-800-654-
7171, toll free.  Investors should advise the operator that the above
transmittal code must be used and should inform the operator of the
Transfer Agent's answer back sign.

     Redemption Commitment.  The Fund has committed itself to pay in cash
all redemption requests by any shareholders of record, limited in amount
during any 90-day period to the lesser of $250,000 or 1% of the value of
the Fund's net assets at the beginning of such period. Such commitment is
irrevocable without the prior approval of the Securities and Exchange
Commission.  In the case of requests for redemption in excess of such
amount, the Fund's Board reserves the right to make payments in whole or
in part in securities (which may include non-marketable securities) or
other assets of the Fund in case of an emergency or any time a cash
distribution would impair the liquidity of the Fund to the detriment of
the existing shareholders.  In such event, the securities would be valued
in the same manner as the Fund's portfolio is valued. If the recipient
sold such securities, brokerage charges might be incurred.

     Suspension of Redemptions.  The right of redemption may be suspended
or the date of payment postponed (a) during any period when the New York
Stock Exchange is closed (other than customary weekend and holiday
closings), (b) when trading in the markets the Fund ordinarily utilizes is
restricted, or when an emergency exists as determined by the Securities
and Exchange Commission so that disposal of the Fund's investments or
determination of its net asset value is not reasonably practicable, or (c)
for such other periods as the Securities and Exchange Commission by order
may permit to protect the Fund's investors.

                DETERMINATION OF NET ASSET VALUE

     The following information supplements and should be read in
conjunction with the section in the Fund's Prospectus entitled "How to Buy
Shares."

     Amortized Cost Pricing.  The valuation of the Fund's portfolio
securities is based upon their amortized cost which does not take into
account unrealized capital gains or losses.  This involves valuing an
instrument at its cost 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.  While
this method provides certainty in valuation, it may result in periods
during which value, as determined by amortized cost, is higher or lower
than the price the Fund would receive if it sold the instrument.

     The Fund's Board has established, as a particular responsibility
within the overall duty of care owed to the Fund's investors, procedures
reasonably designed to stabilize the Fund's price per share as computed
for the purpose of purchases and redemptions at $1.00.  Such procedures
include review of the Fund's portfolio holdings by the Fund's Board, at
such intervals as it deems appropriate, to determine whether the Fund's
net asset value per share calculated by using available market quotations
or market equivalents deviates from $1.00 per share based on amortized
cost.  In such review, investments for which market quotations are readily
available will be valued at the most recent bid price or yield equivalent
for such securities or for securities of comparable maturity, quality and
type, as obtained from one or more of the major market makers for the
securities to be valued.  Other investments and assets will be valued at
fair value as determined in good faith by the Fund's Board.

     The extent of any deviation between the Fund's net asset value based
upon available market quotations or market equivalents and $1.00 per share
based on amortized cost will be examined by the Fund's Board.  If such
deviation exceeds 1/2 of 1%, the Fund's Board will consider promptly what
action, if any, will be initiated.  In the event the Fund's Board
determines that a deviation exists which may result in material dilution
or other unfair results to investors or existing shareholders, it has
agreed to take such corrective action as it regards as necessary and
appropriate including:  selling portfolio instruments prior to maturity to
realize capital gains or losses or to shorten average portfolio maturity;
withholding dividends or paying distributions from capital or capital
gains; redeeming shares in kind; or establishing a net asset value by
using available market quotations or market equivalents.

     New York Stock Exchange Closings.  The following are the holidays (as
observed) on which the New York Stock Exchange currently is closed:  New
Year's Day, Presidents' Day, Good Friday, Memorial Day, Independence Day,
Labor Day, Thanksgiving and Christmas.

               DIVIDENDS, DISTRIBUTIONS AND TAXES

     The following information supplements and should be read in
conjunction with the section in the Fund's Prospectus entitled "Dividends,
Distributions and Taxes."

     Ordinarily, gains and losses realized from portfolio transactions
will be treated as capital gain or loss.  However, all or a portion of any
gain realized from the sale or other disposition of certain market
discount bonds will be treated as ordinary income under Section 1276 of
the Internal Revenue Code of 1986, as amended.

                     PORTFOLIO TRANSACTIONS

     Portfolio securities ordinarily are purchased directly from the
issuer or from an underwriter or a market maker for the securities.
Usually no brokerage commissions will be paid by the Fund for such
purchases.  Purchases from underwriters of portfolio securities may
include a concession paid by the issuer to the underwriter and the
purchase price paid to, and sales price received from, market makers for
the securities may reflect the spread between the bid and asked price.

     Transactions will be allocated to various dealers by the Fund's
portfolio managers in their best judgment.  The primary consideration will
be prompt and effective execution of orders at the most favorable price.
Subject to that primary consideration, dealers may be selected for
research, statistical or other services to enable the Manager to
supplement its own research and analysis with the views and information of
other securities firms and may be selected based upon their sales of Fund
shares.

     Research services furnished by brokers through which the Fund will
effect securities transactions may be used by the Manager in advising
other funds it advises and, conversely, research services furnished to the
Manager by brokers in connection with other funds the Manager advises may
be used by the Manager in advising the Fund.  Although it is not possible
to place a dollar value on these services, it is the opinion of the
Manager that the receipt and study of such services should not reduce the
overall expenses of its research department.








                       YIELD INFORMATION

     The following information supplements and should be read in
conjunction with the section in the Prospectus entitled "Yield
Information."

     Yield is computed in accordance with a standardized method which
involves determining the net change in the value of a hypothetical
pre-existing fund account having a balance of one share at the beginning
of a seven calendar day period for which yield is to be quoted, dividing
the net change by the value of the account at the beginning of the period
to obtain the base period return, and annualizing the results (i.e.,
multiplying the base period return by 365/7).  The net change in the value
of the account reflects the value of additional shares purchased with
dividends declared on the original share and any such additional shares
and fees that may be charged to the shareholder's account, in proportion
to the length of the base period and the fund's average account size, but
does not include realized gains and losses or unrealized appreciation and
depreciation.  Effective yield is computed by adding 1 to the base period
return (calculated as described above), raising that sum to a power equal
to 365 divided by 7, and subtracting 1 from the result.

     Yields will fluctuate and are not necessarily representative of
future results.  Each investor should remember that yield is a function of
the type and quality of the instruments in the portfolio, portfolio
maturity and operating expenses.  An investor's principal in the Fund is
not guaranteed.  See "Determination of Net Asset Value" for a discussion
of the manner in which the Fund's price per share is determined.

     In early 1974, the Manager commenced offering the first money market
fund to be widely offered on a retail basis, Dreyfus Liquid Assets, Inc.
Money market mutual funds have subsequently grown into a trillion dollar
industry.  Currently, the Manager manages approximately $28 billion in
money market funds designed exclusively for institutional investors.

                   INFORMATION ABOUT THE FUND

     The following information supplements and should be read in
conjunction with the section in the Fund's Prospectus entitled "General
Information."

     A Fund share has one vote and, when issued and paid for in accordance
with the terms of the offering, is fully paid and nonassessable.  Fund
shares are of one class and have equal rights as to dividends and in
liquidation.  Shares have no preemptive, subscription or conversion
rights, and are freely transferable.

     The Fund will send annual and semi-annual financial statements to all
its shareholders.



   TRANSFER AND DIVIDEND DISBURSING AGENT, CUSTODIAN, COUNSEL
                    AND INDEPENDENT AUDITORS

     Dreyfus Transfer, Inc., a wholly-owned subsidiary of the Manager,
P.O. Box 9671, Providence, Rhode Island  02940-9671, is the Fund's
transfer and dividend disbursing agent.  Under a transfer agency agreement
with the Fund, the Transfer Agent will arrange for the maintenance of
shareholder account records for the Fund, the handling of certain
communications between shareholders and the Fund and the payment of
dividends and distributions payable by the Fund.  For these services, the
Transfer Agent will receive a monthly fee computed on the basis of the
number of shareholder accounts it maintains for the Fund during the month,
and is reimbursed for certain out-of-pocket expenses.

     The Bank of New York, 90 Washington Street, New York, New York 10286,
acts as custodian of the Fund's investments.

     Stroock & Stroock & Lavan LLP, 180 Maiden Lane, New York, New York
10038-4982, as counsel for the Fund, has rendered its opinion as to
certain legal matters regarding the due authorization and valid issuance
of the shares being sold pursuant to the Fund's Prospectus.

     Ernst & Young LLP, 787 Seventh Avenue, New York, New York 10019,
independent auditors, have been selected as auditors of the Fund.
                            APPENDIX

     Descriptions of the highest commercial paper, bond and other short-
and long-term rating categories assigned by Standard & Poor's Ratings
Group ("S&P"), Moody's Investors Service, Inc. ("Moody's"), Fitch
Investors Service, L.P. ("Fitch"), Duff & Phelps Credit Rating Co.
("Duff"), IBCA Limited and IBCA Inc. ("IBCA") and Thomson BankWatch, Inc.
("BankWatch"):

Commercial Paper Ratings and Short-Term Ratings

     The designation A-1 by S&P indicates that the degree of safety
regarding timely payment is either overwhelming or very strong.  Those
issues determined to possess overwhelming safety characteristics are
denoted with a plus sign (+) designation.

     The rating Prime-1 (P-1) is the highest commercial paper rating
assigned by Moody's.  Issuers of P-1 paper must have a superior capacity
for repayment of short-term promissory obligations, and ordinarily will be
evidenced by leading market positions in well established industries, high
rates of return on funds employed, conservative capitalization structures
with moderate reliance on debt and ample asset protection, broad margins
in earnings coverage of fixed financial charges and high internal cash
generation, and well established access to a range of financial markets
and assured sources of alternate liquidity.

     The rating Fitch-1 (Highest Grade) is the highest commercial paper
rating assigned by Fitch.  Paper rated Fitch-1 is regarded as having the
strongest degree of assurance for timely payment.

     The rating Duff-1 is the highest commercial paper rating assigned by
Duff.  Paper rated Duff-1 is regarded as having very high certainty of
timely payment with excellent liquidity factors which are supported by
ample asset protection.  Risk factors are minor.

     The designation A1 by IBCA indicates that the obligation is supported
by a very strong capacity for timely repayment.  Those obligations rated
A1+ are supported by the highest capacity for timely repayment.

     The rating TBW-1 is the highest short-term obligation rating assigned
by BankWatch.  Obligations rated TBW-1 are regarded as having the
strongest capacity for timely repayment.

Bond Ratings and Long-Term Ratings

     Bonds rated AAA are considered by S&P to be the highest grade
obligation and possess an extremely strong capacity to pay principal and
interest.

     Bonds rated Aaa are judged by Moody's to be of the best quality.
Bonds rated Aa by Moody's are judged by Moody's to be of high quality by
all standards and, together with the Aaa group, they comprise what are
generally known as high-grade bonds.

     Bonds rated AAA by Fitch are judged by Fitch to be strictly high
grade, broadly marketable and suitable for investment by trustees and
fiduciary institutions and liable to but slight market fluctuation other
than through changes in the money rate.  The prime feature of an AAA bond
is a showing of earnings several times or many times interest
requirements, with such stability of applicable earnings that safety is
beyond reasonable question whatever changes occur in conditions.

     Bonds rated AAA by Duff are considered to be of the highest credit
quality.  The risk factors are negligible, being only slightly more than
U.S. Treasury debt.

     Obligations rated AAA by IBCA have the lowest expectation of
investment risk.  Capacity for timely repayment of principal and interest
is substantial, such that adverse changes in business, economic or
financial conditions are unlikely to increase investment risk
significantly.  Obligations rated AA by IBCA have a very low expectation
of investment risk.  Capacity for timely repayment of principal and
interest is substantial.  Adverse changes in business, economic or
financial conditions may increase investment risk albeit not very
significantly.

     IBCA also assigns a rating to certain international and U.S. banks.
An IBCA bank rating represents IBCA's current assessment of the strength
of the bank and whether such bank would receive support should it
experience difficulties.  In its assessment of a bank, IBCA uses a dual
rating system comprised of Legal Ratings and Individual Ratings.  In
addition, IBCA assigns banks long- and short-term ratings as used in the
corporate ratings discussed above.  Legal Ratings, which range in
gradation from 1 through 5, address the question of whether the bank would
receive support provided by central banks or shareholders if it
experienced difficulties, and such ratings are considered by IBCA to be a
prime factor in its assessment of credit risk.  Individual Ratings, which
range in gradations from A through E, represent IBCA's assessment of a
bank's economic merits and address the question of how the bank would be
viewed if it were entirely independent and could not rely on support from
state authorities or its owners.

     In addition to ratings of short-term obligations, BankWatch assigns a
rating to each issuer it rates, in gradations of A through E.  BankWatch
examines all segments of the organization including, where applicable, the
holding company, member banks or associations, and other subsidiaries.  In
those instances where financial disclosure is incomplete or untimely, a
qualified rating (QR) is assigned to the institution.  BankWatch also
assigns, in the case of foreign banks, a country rating which represents
an assessment of the overall political and economic stability of the
country in which the bank is domiciled.




              DREYFUS INSTITUTIONAL PREFERRED MONEY MARKET FUND

                          PART C. OTHER INFORMATION
                          _________________________


Item 24.  Financial Statements and Exhibits. - List
_______   _________________________________________

 (a) Financial Statements:

          (1)  Statement of Assets and Liabilities as of May ___, 1997*

          (2)  Report of Ernst & Young LLP, Independent Auditors, dated May
               ___, 1997*

 (b)      Exhibits:

          (1)  Amended and Restated Agreement and Declaration of Trust.*

          (2)  By-Laws.*

          (5)  Management Agreement.*

          (6)  Distribution Agreement.*

          (8)  Custody Agreement.*

          (10) Opinion and Consent of Registrant's counsel.*

          (11) Consent of Independent Auditors.*


          Other Exhibits
          _____________

          (a)  Powers of Attorney.*

          (b)  Certificate of Secretary.*

______________________________________
*         To be filed by Amendment.



Item 25.  Persons Controlled by or under Common Control with Registrant.
_______   ______________________________________________________________

          Not Applicable

Item 26.  Number of Holders of Securities.
_______   ________________________________

            (1)                                   (2)

          Title of Class                    Number of Record Holders
          ______________                    _____________________________

          Shares of Beneficial
          Interest
          (Par value $.001/Share)                      1

Item 27.    Indemnification
_______     _______________

            Reference is made to Article EIGHTH of the Registrant's Amended
and Restated Declaration of Trust, to be filed as Exhibit 1 hereto.  The
application of these provisions is limited by Article 10 of the Registrant's
By-Laws, to be filed as Exhibit 2 hereto, and by the following undertaking
set forth in the rules promulgated by the Securities and Exchange
Commission:

            Insofar as indemnification for liabilities arising under the
            Securities Act of 1933 may be permitted to trustees, officers
            and controlling persons of the registrant 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 such 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 or controlling person of the
            registrant in the successful defense of any action, suit or
            proceeding) is asserted by such trustee, officer or controlling
            person 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 whether such
            indemnification by it is against public policy as expressed in
            such Act and will be governed by the final adjudication of such
            issue.

            Reference also is made to the Distribution Agreement to be filed
as Exhibit 6 hereto.



Item 28.   Business and Other Connections of Investment Adviser.
_______    ____________________________________________________

           The Dreyfus Corporation ("Dreyfus") and subsidiary companies
           comprise a financial service organization whose business
           consists primarily of providing investment management services
           as the investment adviser, manager and distributor for sponsored
           investment companies registered under the Investment Company Act
           of 1940 and as an investment adviser to institutional and
           individual accounts.  Dreyfus also serves as sub-investment
           adviser to and/or administrator of other investment companies.
           Dreyfus Service Corporation, a wholly-owned subsidiary of
           Dreyfus, serves primarily as a registered broker-dealer of
           shares of investment companies sponsored by Dreyfus and of other
           investment companies  for which Dreyfus acts as investment
           adviser, sub-investment adviser or administrator.  Dreyfus
           Investment Advisors, Inc., another wholly-owned subsidiary,
           provides investment management services to various pension
           plans, institutions and individuals.


Item 28.  Business and Other Connections of Investment Adviser (continued)
________  ________________________________________________________________

          Officers and Directors of Investment Adviser
          ____________________________________________


Name and Position
with Dreyfus                Other Businesses
_________________           ________________

MANDELL L. BERMAN           Real estate consultant and private investor
Director                         29100 Northwestern Highway, Suite 370
                                 Southfield, Michigan 48034;
                            Past Chairman of the Board of Trustees:
                                 Skillman Foundation;
                            Member of The Board of Vintners Intl.

BURTON C. BORGELT           Chairman Emeritus of the Board and
Director                    Past Chairman, Chief Executive Officer and
                            Director:
                                 Dentsply International, Inc.
                                 570 West College Avenue
                                 York, Pennsylvania 17405;
                            Director:
                                 DeVlieg-Bullard, Inc.
                                 1 Gorham Island
                                 Westport, Connecticut 06880
                                 Mellon Bank Corporation***;
                                 Mellon Bank, N.A.***

FRANK V. CAHOUET            Chairman of the Board, President and
Director                    Chief Executive Officer:
                                 Mellon Bank Corporation***;
                                 Mellon Bank, N.A.***;
                            Director:
                                 Avery Dennison Corporation
                                 150 North Orange Grove Boulevard
                                 Pasadena, California 91103;
                                 Saint-Gobain Corporation
                                 750 East Swedesford Road
                                 Valley Forge, Pennsylvania 19482;
                                 Teledyne, Inc.
                                 1901 Avenue of the Stars
                                 Los Angeles, California 90067

W. KEITH SMITH              Chairman and Chief Executive Officer:
Chairman of the Board            The Boston Company****;
                            Vice Chairman of the Board:
                                 Mellon Bank Corporation***;
                                 Mellon Bank, N.A.***;
                            Director:
                                 Dentsply International, Inc.
                                 570 West College Avenue
                                 York, Pennsylvania 17405

CHRISTOPHER M. CONDRON      Vice Chairman:
President, Chief                 Mellon Bank Corporation***;
Executive Officer,               The Boston Company****;
Chief Operating             Deputy Director:
Officer and a                    Mellon Trust***;
Director                    Chief Executive Officer:
                                 The Boston Company Asset Management,
                                 Inc.****;
                            President:
                                 Boston Safe Deposit and Trust Company****

STEPHEN E. CANTER           Director:
Vice Chairman and                The Dreyfus Trust Company++;
Chief Investment Officer,   Formerly, Chairman and Chief Executive Officer:
and a Director                   Kleinwort Benson Investment Management
                                      Americas Inc.*

LAWRENCE S. KASH            Chairman, President and Chief
Vice Chairman-Distribution  Executive Officer:
and a Director                   The Boston Company Advisors, Inc.
                                 53 State Street
                                 Exchange Place
                                 Boston, Massachusetts 02109;
                            Executive Vice President and Director:
                                 Dreyfus Service Organization, Inc.**;
                            Director:
                                 Dreyfus America Fund+++;
                                 The Dreyfus Consumer Credit Corporation*;
                                 The Dreyfus Trust Company++;
                                 Dreyfus Service Corporation*;
                                 World Balanced Fund++++;
                            President:
                                 The Boston Company****;
                                 Laurel Capital Advisors***;
                                 Boston Group Holdings, Inc.;
                            Executive Vice President:
                                 Mellon Bank, N.A.***;
                                 Boston Safe Deposit and Trust
                                 Company****

WILLIAM T. SANDALLS, JR.    Director:
Senior Vice President and        Dreyfus Partnership Management, Inc.*;
Chief Financial Officer          Seven Six Seven Agency, Inc.*;
                            President and Director:
                                 Lion Management, Inc.*;
                            Executive Vice President and Director:
                                 Dreyfus Service Organization, Inc.*;
                            Vice President, Chief Financial Officer and
                            Director:
                                 Dreyfus Acquisition Corporation*;
                                 Dreyfus America Fund+++;
                                 World Balanced Fund++++;
                            Vice President and Director:
                                 The Dreyfus Consumer Credit Corporation*;
                                 The Truepenny Corporation*;
                            Treasurer, Financial Officer and Director:
                                 The Dreyfus Trust Company++;
                            Treasurer and Director:
                                 Dreyfus Management, Inc.*;
                                 Dreyfus Personal Management, Inc.*;
                                 Dreyfus Service Corporation*;
                                 Major Trading Corporation*;
                            Formerly, President and Director:
                                 Sandalls & Co., Inc.

MARK N. JACOBS              Vice President, Secretary and Director:
Vice President,                  Lion Management, Inc.*;
General Counsel             Secretary:
and Secretary                    The Dreyfus Consumer Credit Corporation*;
                                 Dreyfus Management, Inc.*;
                            Assistant Secretary:
                                 Dreyfus Service Organization, Inc.**;
                                 Major Trading Corporation*;
                                 The Truepenny Corporation*

PATRICE M. KOZLOWSKI        None
Vice President-
Corporate Communications

MARY BETH LEIBIG            None
Vice President-
Human Resources


JEFFREY N. NACHMAN          President and Director:
Vice President-Mutual Fund       Dreyfus Transfer, Inc.
Accounting                       One American Express Plaza
                                 Providence, Rhode Island 02903

ANDREW S. WASSER            Vice President:
Vice President-Information       Mellon Bank Corporation***
Services

ELVIRA OSLAPAS              Assistant Secretary:
Assistant Secretary              Dreyfus Service Corporation*;
                                 Dreyfus Management, Inc.*;
                                 Dreyfus Acquisition Corporation, Inc.*;
                                 The Truepenny Corporation+







______________________________________

*      The address of the business so indicated is 200 Park Avenue, New
       York, New York 10166.
**     The address of the business so indicated is 131 Second Street,
       Lewes, Delaware 19958.
***    The address of the business so indicated is One Mellon Bank Center,
       Pittsburgh, Pennsylvania 15258.
****   The address of the business so indicated is One Boston Place,
       Boston, Massachusetts 02108.
+      The address of the business so indicated is Atrium Building,
       80 Route 4 East, Paramus, New Jersey 07652.
++     The address of the business so indicated is 144 Glenn Curtiss
       Boulevard, Uniondale, New York 11556-0144.
+++    The address of the business so indicated is 69, Route `d'Esch, L-
       1470 Luxembourg.
++++   The address of the business so indicated is 69, Route `d'Esch, L-
       2953 Luxembourg.


Item 29.  Principal Underwriters
________  ______________________

     (a)  Other investment companies for which Registrant's principal
underwriter (exclusive distributor) acts as principal underwriter or
exclusive distributor:

          1)   Comstock Partners Funds, Inc.
          2)   Dreyfus A Bonds Plus, Inc.
          3)   Dreyfus Appreciation Fund, Inc.
          4)   Dreyfus Asset Allocation Fund, Inc.
          5)   Dreyfus Balanced Fund, Inc.
          6)   Dreyfus BASIC GNMA Fund
          7)   Dreyfus BASIC Money Market Fund, Inc.
          8)   Dreyfus BASIC Municipal Fund, Inc.
          9)   Dreyfus BASIC U.S. Government Money Market Fund
         10)   Dreyfus California Intermediate Municipal Bond Fund
         11)   Dreyfus California Tax Exempt Bond Fund, Inc.
         12)   Dreyfus California Tax Exempt Money Market Fund
         13)   Dreyfus Cash Management
         14)   Dreyfus Cash Management Plus, Inc.
         15)   Dreyfus Connecticut Intermediate Municipal Bond Fund
         16)   Dreyfus Connecticut Municipal Money Market Fund, Inc.
         17)   Dreyfus Florida Intermediate Municipal Bond Fund
         18)   Dreyfus Florida Municipal Money Market Fund
         19)   The Dreyfus Fund Incorporated
         20)   Dreyfus Global Bond Fund, Inc.
         21)   Dreyfus Global Growth Fund
         22)   Dreyfus GNMA Fund, Inc.
         23)   Dreyfus Government Cash Management
         24)   Dreyfus Growth and Income Fund, Inc.
         25)   Dreyfus Growth and Value Funds, Inc.
         26)   Dreyfus Growth Opportunity Fund, Inc.
         27)   Dreyfus Income Funds
         28)   Dreyfus Institutional Money Market Fund
         29)   Dreyfus Institutional Short Term Treasury Fund
         30)   Dreyfus Insured Municipal Bond Fund, Inc.
         31)   Dreyfus Intermediate Municipal Bond Fund, Inc.
         32)   Dreyfus International Funds, Inc.
         33)   Dreyfus Investment Grade Bond Funds, Inc.
         34)   The Dreyfus/Laurel Funds, Inc.
         35)   The Dreyfus/Laurel Funds Trust
         36)   The Dreyfus/Laurel Tax-Free Municipal Funds
         37)   Dreyfus LifeTime Portfolios, Inc.
         38)   Dreyfus Liquid Assets, Inc.
         39)   Dreyfus Massachusetts Intermediate Municipal Bond Fund
         40)   Dreyfus Massachusetts Municipal Money Market Fund
         41)   Dreyfus Massachusetts Tax Exempt Bond Fund
         42)   Dreyfus MidCap Index Fund
         43)   Dreyfus Money Market Instruments, Inc.
         44)   Dreyfus Municipal Bond Fund, Inc.
         45)   Dreyfus Municipal Cash Management Plus
         46)   Dreyfus Municipal Money Market Fund, Inc.
         47)   Dreyfus New Jersey Intermediate Municipal Bond Fund
         48)   Dreyfus New Jersey Municipal Bond Fund, Inc.
         49)   Dreyfus New Jersey Municipal Money Market Fund, Inc.
         50)   Dreyfus New Leaders Fund, Inc.
         51)   Dreyfus New York Insured Tax Exempt Bond Fund
         52)   Dreyfus New York Municipal Cash Management
         53)   Dreyfus New York Tax Exempt Bond Fund, Inc.
         54)   Dreyfus New York Tax Exempt Intermediate Bond Fund
         55)   Dreyfus New York Tax Exempt Money Market Fund
         56)   Dreyfus 100% U.S. Treasury Intermediate Term Fund
         57)   Dreyfus 100% U.S. Treasury Long Term Fund
         58)   Dreyfus 100% U.S. Treasury Money Market Fund
         59)   Dreyfus 100% U.S. Treasury Short Term Fund
         60)   Dreyfus Pennsylvania Intermediate Municipal Bond Fund
         61)   Dreyfus Pennsylvania Municipal Money Market Fund
         62)   Dreyfus Premier California Municipal Bond Fund
         63)   Dreyfus Premier Equity Funds, Inc.
         64)   Dreyfus Premier Global Investing, Inc.
         65)   Dreyfus Premier GNMA Fund
         66)   Dreyfus Premier Growth Fund, Inc.
         67)   Dreyfus Premier Insured Municipal Bond Fund
         68)   Dreyfus Premier Municipal Bond Fund
         69)   Dreyfus Premier New York Municipal Bond Fund
         70)   Dreyfus Premier State Municipal Bond Fund
         71)   Dreyfus Premier Value Fund
         72)   Dreyfus S&P 500 Index Fund
         73)   Dreyfus Short-Intermediate Government Fund
         74)   Dreyfus Short-Intermediate Municipal Bond Fund
         75)   The Dreyfus Socially Responsible Growth Fund, Inc.
         76)   Dreyfus Stock Index Fund, Inc.
         77)   Dreyfus Tax Exempt Cash Management
         78)   The Dreyfus Third Century Fund, Inc.
         79)   Dreyfus Treasury Cash Management
         80)   Dreyfus Treasury Prime Cash Management
         81)   Dreyfus Variable Investment Fund
         82)   Dreyfus Worldwide Dollar Money Market Fund, Inc.
         83)   General California Municipal Bond Fund, Inc.
         84)   General California Municipal Money Market Fund
         85)   General Government Securities Money Market Fund, Inc.
         86)   General Money Market Fund, Inc.
         87)   General Municipal Bond Fund, Inc.
         88)   General Municipal Money Market Fund, Inc.
         89)   General New York Municipal Bond Fund, Inc.
         90)   General New York Municipal Money Market Fund


(b)
                                                            Positions and
Name and principal       Positions and offices with         offices with
business address         the Distributor                    Registrant
__________________       ___________________________        _____________

Marie E. Connolly+       Director, President, Chief         President and
                         Executive Officer and Compliance   Treasurer
                         Officer

Joseph F. Tower, III+    Senior Vice President, Treasurer   Vice President
                         and Chief Financial Officer        and Assistant
                                                            Treasurer

John E. Pelletier+       Senior Vice President, General     Vice President
                         Counsel, Secretary and Clerk       and Secretary

Roy M. Moura+            First Vice President               None

Dale F. Lampe+           Vice President                     None

Mary A. Nelson+          Vice President                     Vice President
                                                            and Assistant
                                                            Treasurer

Paul Prescott+           Vice President                     None

Elizabeth A. Keeley++    Assistant Vice President           Vice President
                                                            and Assistant
                                                            Secretary

Jean M. O'Leary+         Assistant Secretary and            None
                         Assistant Clerk

John W. Gomez+           Director                           None

William J. Nutt+         Director                           None




________________________________
 +  Principal business address is One Exchange Place, Boston, Massachusetts
    02109.
++  Principal business address is 200 Park Avenue, New York, New York
    10166.

Item 30.   Location of Accounts and Records
           ________________________________

           1.  First Data Investor Services Group, Inc.,
               a subsidiary of First Data Corporation
               P.O. Box 9671
               Providence, Rhode Island 02940-9671

           2.  The Bank of New York
               90 Washington Street
               New York, New York 10286

           3.  Dreyfus Transfer, Inc.
               P.O. Box 9671
               Providence, Rhode Island 02940-9671

           4.  The Dreyfus Corporation
               200 Park Avenue
               New York, New York 10166

Item 31.   Management Services
_______    ___________________

           Not Applicable

Item 32.   Undertakings
________   ____________

  (1)      To call a meeting of shareholders for the purpose of voting upon
           the question of removal of a Board member or Board members when
           requested in writing to do so by the holders of at least 10% of
           the Registrant's outstanding shares and in connection with such
           meeting to comply with the provisions of Section 16(c) of the
           Investment Company Act of 1940 relating to shareholder
           communications.

  (2)      To furnish each person to whom a prospectus is delivered with a
           copy of the Fund's latest Annual Report to Shareholders, upon
           request and without charge.

  (3)      To file a post-effective amendment, using financial statements
           which need not be certified, within four to six months from the
           effective date of Registrant's 1933 Act Registration Statement.



                                 SIGNATURES
                                 __________

     Pursuant to the requirements of the Securities Act of 1933 and the
Investment Company Act of 1940, the Registrant has duly caused this
Registration Statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of New York, and State of New York,
on the 5th day of May, 1997.

       DREYFUS INSTITUTIONAL PREFERRED MONEY MARKET FUND


       BY:  /s/Marie E. Connolly
            Marie E. Connolly, 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 date indicated.

       Signatures                        Title                       Date
__________________________     ______________________________    __________

/s/Marie E. Connolly           President (Principal Executive,     5/5/97
______________________________ Financial, and Accounting
Marie E. Connolly              Officer) and Trustee





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