DREYFUS CASH MANAGEMENT
497, 1996-07-08
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PROSPECTUS                                                     JUNE 3, 1996
                                                     AS REVISED JULY 3, 1996
                             DREYFUS CASH MANAGEMENT
    

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        DREYFUS CASH MANAGEMENT (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 FUND IS DESIGNED FOR INSTITUTIONAL INVESTORS, PARTICULARLY BANKS,
ACTING FOR THEMSELVES OR IN A FIDUCIARY, ADVISORY, AGENCY, CUSTODIAL OR
SIMILAR CAPACITY. FUND SHARES MAY NOT BE PURCHASED DIRECTLY BY INDIVIDUALS,
ALTHOUGH INSTITUTIONS MAY PURCHASE SHARES FOR ACCOUNTS MAINTAINED BY
INDIVIDUALS. SUCH INSTITUTIONS HAVE AGREED TO TRANSMIT COPIES OF THIS
PROSPECTUS TO EACH INDIVIDUAL OR ENTITY FOR WHOSE ACCOUNT THE INSTITUTION
PURCHASES FUND SHARES, TO THE EXTENT REQUIRED BY LAW.
        BY THIS PROSPECTUS, THE FUND IS OFFERING CLASS A SHARES AND CLASS B
SHARES. CLASS A SHARES AND CLASS B SHARES ARE IDENTICAL, EXCEPT AS TO THE
SERVICES OFFERED TO AND THE EXPENSES BORNE BY EACH CLASS. CLASS B BEARS
CERTAIN COSTS PURSUANT TO A SERVICE PLAN ADOPTED IN ACCORDANCE WITH RULE
12B-1 UNDER THE INVESTMENT COMPANY ACT OF 1940. INVESTORS CAN INVEST,
REINVEST OR REDEEM SHARES AT ANY TIME WITHOUT CHARGE OR PENALTY IMPOSED BY
THE FUND.
        THE DREYFUS CORPORATION SERVES 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 JUNE 3, 1996, 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 1-800-554-4611. WHEN TELEPHONING, ASK
FOR OPERATOR 144.
    

        MUTUAL FUND SHARES ARE NOT DEPOSITS 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. MUTUAL FUND SHARES INVOLVE CERTAIN INVESTMENT RISKS, INCLUDING THE
POSSIBLE LOSS OF PRINCIPAL.
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                               TABLE OF CONTENTS
<TABLE>

                                                           PAGE                                                             PAGE
<S>                                                           <C>        <C>                                                  <C>
  ANNUAL FUND OPERATING EXPENSES...........                   2          HOW TO REDEEM SHARES................                 9
  CONDENSED FINANCIAL INFORMATION..........                   3          SERVICE PLAN........................                 10
  YIELD INFORMATION........................                   4          SHAREHOLDER SERVICES PLAN...........                 10
  DESCRIPTION OF THE FUND..................                   4          DIVIDENDS, DISTRIBUTIONS AND TAXES..                 11
  MANAGEMENT OF THE FUND...................                   6          GENERAL INFORMATION.................                 12
  HOW TO BUY SHARES........................                   7          APPENDIX............................                 14
  INVESTOR SERVICES........................                   8
</TABLE>

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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.
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                                    ANNUAL FUND OPERATING EXPENSES
                          (as a percentage of average daily net assets)
<TABLE>

                                                                                              CLASS A        CLASS B
                                                                                              SHARES         SHARES
<S>                               <C>                                                         <C>              <C>
    Management Fees............................................................               .20%            .20%
    12b-1 Fees (distribution and servicing) ...................................                --             .25%
    Total Fund Operating Expenses..............................................               .20%            .45%
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:
                                                                                              CLASS A        CLASS B
                                                                                              SHARES         SHARES
                                  1 YEAR.......................................                 $ 2           $ 5
                                  3 YEARS......................................                 $ 6           $14
                                  5 YEARS .....................................                 $11            $25
                                  10 YEARS.....................................                 $26            $57
</TABLE>

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        THE AMOUNTS LISTED IN THE EXAMPLE SHOULD NOT BE CONSIDERED AS
REPRESENTATIVE OF PAST OR 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 borne by the Fund, the payment of which
will reduce investors' annual return. Unless The Dreyfus Corporation gives
the Fund's investors at least 90 days' notice to the contrary, The Dreyfus
Corporation, and not the Fund, will be liable for Fund expenses (exclusive of
taxes, brokerage, interest on borrowing and (with the prior written consent
of the necessary state securities commissions) extraordinary expenses) other
than the following expenses, which will be borne by the Fund: (i) the
management fee payable by the Fund monthly at the annual rate of .20 of 1% of
the value of the Fund's average daily net assets and (ii) as to Class B
shares only, payments made pursuant to the Fund's Service Plan at the annual
rate of .25 of 1% of the value of the average daily net assets of Class B.
Institutions and certain Service Agents (as defined below) effecting
transactions in Fund shares for the accounts of their clients may charge
their clients direct fees in connection with such transactions; such fees are
not reflected in the foregoing table. See "Management of the Fund," "How to
Buy Shares," "Service Plan" and "Shareholder Services Plan."
        Page 2
                       CONDENSED FINANCIAL INFORMATION
        The information in the following tables has been audited by Ernst &
Young LLP, the Fund's independent auditors, whose report thereon appears in
the Statement of Additional Information. Further financial data and related
notes are included in the Statement of Additional Information, available upon
request.
                           FINANCIAL HIGHLIGHTS
        Contained below is per share operating performance data for a share
of Beneficial Interest outstanding, total investment return, ratios to
average net assets and other supplemental data for each year indicated. This
information has been derived from the Fund's financial statements.
<TABLE>


                                                                      CLASS A SHARES
                                        ----------------------------------------------------------------------------------------
                                                                    YEAR ENDED JANUARY 31,
                                        ----------------------------------------------------------------------------------------
                                            1987     1988     1989     1990     1991     1992     1993     1994    1995     1996
                                        -------    -------  -------  -------   ------   ------   -----    ------  -----    -----
<S>                                        <C>      <C>       <C>     <C>      <C>      <C>       <C>      <C>    <C>     <C>
PER SHARE DATA:
    Net asset value, beginning of year..   $1.00    $1.00     $1.00   $1.00    $1.00    $1.00     $1.00    $1.00  $1.00   $1.00
                                           ------   ------    ------  ------  ------    ------    ------   ------ ------  ------
    INVESTMENT OPERATIONS;
    Investment income-net...                .065      .066      .076    .091    .080      .058      .036    .031    .042   .059
                                           ------   ------    ------  ------  ------    ------    ------   ------ ------  ------
    DISTRIBUTIONS;
    Dividends from investment
      income-net.....                      (.065)    (.066)    (.076)  (.091)  (.080)    (.058)    (.036)  (.031)  (.042) (.059)
                                           ------   ------    ------  ------  ------    ------    ------   ------ ------  ------
    Net asset value, end of year           $1.00     $1.00     $1.00   $1.00   $1.00     $1.00     $1.00   $1.00   $1.00   $1.00
                                           ======   =======    ======  ======= ======    ======   =======   =====   =====  =====
TOTAL INVESTMENT RETURN...                  6.75%     6.77%     7.84%   9.44%   8.31%     5.96%     3.68%   3.15%   4.28%   6.03%
RATIOS / SUPPLEMENTAL DATA:
    Ratio of expenses to
      average net assets........             .20%      .20%      .20%    .20%    .20%      .20%      .20%    .20%    .20%    .20%
    Ratio of net investment income to
      average net assets...                 6.44%     6.60%     7.42%   9.03%   7.99%     5.78%    3.60%    3.11%   4.08%   5.86%
    Decrease reflected in above expense
        ratios due to undertaking
        by The Dreyfus Corporation...       .03%       .03%      .03%    .02%    .02%      .03%     .04%     .03%     --     --
    Net Assets, end of year
(000's omitted)..   $1,849,044 $3,320,959 $2,245,703 $3,373,940 $5,041,688 $6,508,999 $5,475,181 $2,894,853 $1,817,166 $2,442,647
</TABLE>

       Page 3
<TABLE>

                                                                                                   CLASS B SHARES
                                                                                         ------------------------------------
                                                                                                YEAR ENDED JANUARY 31,
                                                                                         ------------------------------------
                                                                                           1994(1)       1995          1996
                                                                                          --------      ------       -------
<S>                                                                                       <C>           <C>            <C>
PER SHARE DATA:
  Net asset value, beginning of year...............................                       $1.00         $1.00          $1.00
                                                                                          ------        -----          ------
  INVESTMENT OPERATIONS;
  Investment income-net............................................                        .002           .040           .056
                                                                                          ------        -----          ------
  DISTRIBUTIONS;
  Dividends from investment income-net.............................                       (.002)         (.040)         (.056)
                                                                                          ------        -----          ------
  Net asset value, end of year.....................................                       $1.00          $1.00          $1.00
                                                                                          ======         =====          ======
TOTAL INVESTMENT RETURN............................................                        2.82%(2)       4.03%          5.76%
RATIOS / SUPPLEMENTAL DATA:
  Ratio of expenses to average net assets..........................                         .45%(2)        .45%           .45%
  Ratio of net investment income to average net assets.............                        2.83%(2)       3.94%          5.54%
  Decrease reflected in above expense
  ratios due to undertaking by The Dreyfus Corporation.............                           --            -_            --
  Net Assets, end of year (000's omitted)..........................                     $52,272        $85,334       $430,302
- --------------
(1)From January 10, 1994 (commencement of initial offering) to January 31, 1994.
(2)Annualized.
</TABLE>

                                YIELD INFORMATION
        From time to time, the Fund advertises 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." Both yield
figures also take into account any applicable distribution and service fees.
As a result, at any given time, the performance of Class B should be expected
to be lower than that of Class A. See "Service Plan."
        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/Donoghue's Money
Fund ReportRegistration Mark, Morningstar, Inc. and other industry
publications.
                            DESCRIPTION OF THE FUND
GENERAL
        By this Prospectus, two classes of shares of the Fund are being
offered -- Class A shares and Class B shares (each such class being referred
to as a "Class"). The Classes are identical, except that Class B shares are
subject to an annual distribution and service fee at the rate of .25% of the
value of the average daily net assets of Class B. The fee is payable for
advertising, marketing and distributing Class B shares and for ongoing
personal services relating to Class B shareholder accounts and services
related to the maintenance of such share-
         Page 4
holder accounts pursuant to a Service Plan adopted in accordance with Rule
12b-1 under the Investment Company Act of 1940, as amended (the "1940 Act").
See "Service Plan." The distribution and service fee paid by Class B will
cause such Class to have a higher expense ratio and to pay lower dividends
than Class A.
        WHEN USED IN THIS PROSPECTUS AND THE STATEMENT OF ADDITIONAL
INFORMATION, THE TERMS "INVESTOR" AND "SHAREHOLDER" REFER TO THE INSTITUTION
PURCHASING FUND SHARES AND DO NOT REFER TO ANY INDIVIDUAL OR ENTITY FOR WHOSE
ACCOUNT THE INSTITUTION MAY PURCHASE FUND SHARES. Such institutions have
agreed to transmit copies of this Prospectus and all relevant Fund materials,
including proxy materials, to each individual or entity for whose account the
institution purchases Fund shares, to the extent required by law.
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, certificates of deposit, time deposits, bankers'
acceptances and other short-term obligations issued by domestic banks or
London branches of domestic banks, repurchase agreements, and high grade
commercial paper and other short-term corporate obligations. During normal
market conditions, the Fund will invest at least 25% of its assets in bank
obligations. See "Investment Considerations and Risks."
        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 will 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 by only
one such organization) or, if unrated, are of comparable quality as
determined in accordance with procedures established by the Fund's 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, a division of The McGraw-Hill Companies, Inc., 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 debt
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
        Page 5
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.
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 the highest quality.
FOREIGN SECURITIES -- Since the Fund's portfolio may contain securities
issued by London branches of domestic banks, 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. Such risks include possible
future political and economic developments, the possible imposition of United
Kingdom withholding taxes on interest income payable on the securities, the
possible establishment of exchange controls or the adoption of other foreign
governmental restrictions which might adversely affect the payment of
principal and interest on these securities and the possible seizure or
nationalization of foreign deposits.
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, 1996, The Dreyfus Corporation managed
or administered approximately $79 billion in assets for more than 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 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
$237 billion in assets as of March 31, 1996, including approximately $83
billion in proprietary mutual fund assets. As of March 31, 1996, Mellon,
through various subsidiaries, provided non-investment services, such as
custodial or administration services, for more than $886 billion in assets,
including approximately $61 billion in mutual fund assets.
        For the fiscal year ended January 31, 1996, the Fund paid The Dreyfus
Corporation a monthly management fee at the annual rate of .20 of 1% of the
value of the Fund's average daily net assets.
          Page 6
        Unless The Dreyfus Corporation gives the Fund's investors at least 90
days' notice to the contrary, The Dreyfus Corporation, and not the Fund, will
be liable for Fund expenses (exclusive of taxes, brokerage, interest on
borrowings and (with the prior written consent of the necessary state
securities commissions) extraordinary expenses) other than the following
expenses, which will be borne by the Fund: (i)the management fee payable by
the Fund monthly at the annual rate of .20 of 1% of the value of the Fund's
average daily net assets and (ii) as to Class B shares only, payments made
pursuant to the Fund's Service Plan at the annual rate of .25 of 1% of the
value of the average daily net assets of Class B. See "Service Plan." The
Fund will not reimburse The Dreyfus Corporation for any amounts it may bear.
        In allocating brokerage transactions, The Dreyfus Corporation seeks
to obtain the best execution of orders at the most favorable net price.
Subject to this determination, TheDreyfus Corporation may consider, among
other things, the receipt of research services and/or the sale of shares of
the Fund or other funds managed, advised or administered by The Dreyfus
Corporation as factors in the selection of broker-dealers to execute
portfolio transactions for the Fund. See "Portfolio Transactions" in the State
ment of Additional Information.
        The Dreyfus Corporation may pay the Fund's distributor for
shareholder services from The Dreyfus Corporation's own assets, including
past profits but not including the management fee paid by the Fund. The
Fund's distributor may use part or all of such payments to pay Service Agents
in respect of these services.
DISTRIBUTOR -- The Fund's distributor is Premier Mutual Fund Services, Inc.
(the "Distributor"), located at One Exchange Place, 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. First Interstate
Bank of California, 707 Wilshire Boulevard, Los Angeles, California 90017, is
the Fund's Sub-custodian (the "Sub-custodian").
                         HOW TO BUY SHARES
        The Fund is designed for institutional investors, particularly banks,
acting for themselves or in a fiduciary, advisory, agency, custodial or
similar capacity. Fund shares may not be purchased directly by individuals,
although institutions may purchase shares for accounts maintained by
individuals. Generally, each investor will be required to open a single
master account with the Fund for all purposes. In certain cases, the Fund may
request investors to maintain separate master accounts for shares held by the
investor (i) for its own account, for the account of other institutions and
for accounts for which the institution acts as a fiduciary, and (ii) for
accounts for which the investor acts in some other capacity. An institution
may arrange with the Transfer Agent for sub-accounting services and will be
charged directly for the cost of such services.
        The minimum initial investment is $10,000,000, unless: (a) the
investor has invested at least $10,000,000 in the aggregate among the Fund,
Dreyfus Cash Management Plus, Inc., Dreyfus Institutional Short Term Treasury
Fund, Dreyfus Government Cash Management, Dreyfus Municipal Cash Management
Plus, Dreyfus New York Municipal Cash Management, Dreyfus Tax Exempt Cash
Management, Dreyfus Treasury Cash Management and Dreyfus Treasury Prime Cash
Management; or (b) the investor has, in the opinion of Dreyfus Institutional
Services Division, adequate intent and availability of funds to reach a
future level of investment of $10,000,000 among the funds identified above.
There is no minimum for subsequent purchases. The initial investment must be
accompanied by the Account Application. Share 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.
        Management understands that some financial institutions, securities
dealers and other industry professionals (collectively, "Service Agents") and
other institutions may charge their clients fees in connection with purchases
for the accounts of their clients. These fees would be in addition to any
amounts which might be received under the Service Plan. Service Agents may
receive different levels of compensation for selling different Classes of
shares. Investors should consult their Service Agents in this regard.
       Page 7
        Fund shares may be purchased by wire, by telephone or through
compatible computer facilities. 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
comparable with the Fund's, investors should call 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, Sub-custodian or other
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/2:00 p.m., California time, on each day the New York Stock
Exchange or the Transfer Agent is open for business. Net asset value per
share of each Class is computed by dividing the value of the Fund's net
assets represented by such Class (i.e., the value of its assets less
liabilities) by the total number of shares of such Class outstanding. See
"Determination of Net Asset Value" in the Statement of Additional
Information.
        Except in the case of telephone orders, investors whose payments are
received in or converted into Federal Funds by 12:00 Noon, New York time, by
the Custodian or received in Federal Funds by 12:00 Noon, California time, by
the Sub-custodian, will receive the dividend declared that day. Investors
whose payments are received in or converted into Federal Funds after 12:00
Noon, New York time, by the Custodian, or received in Federal Funds after
12:00 Noon, California time, by the Sub-custodian, will begin to accrue
dividends on the following business day.
   

        A telephone order placed to Dreyfus Institutional Services Division
in New York will become effective at the price determined at 5:00 p.m., New
York time, and the shares purchased will receive the dividend on Fund shares
declared on that day, if such order is placed by 5:00 p.m., New York time,
and Federal Funds are received by the Custodian by 6:00 p.m., New York time,
on that day. A telephone order placed to Dreyfus Institutional Services
Division in California will become effective at the price determined at 1:00
p.m., California time, and the shares purchased will receive the dividend on
Fund shares declared on that day if such order is placed by 12:00 Noon,
California time, and Federal Funds are received by the Sub-custodian by 4:00
p.m., California time, on that day.
    

        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 Account Application for
further information concerning this requirement. Failure to furnish a
certified TIN to the Fund could subject an investor to a $50 penalty imposed
by the Internal Revenue Service (the "IRS").
                         INVESTOR SERVICES
FUND EXCHANGES -- An investor may purchase, in exchange for Class A or Class
B shares of the Fund, Class A or Class B shares of Dreyfus Cash Management
Plus, Inc., Dreyfus Institutional Short Term Treasury Fund, Dreyfus
Government Cash Management, Dreyfus Municipal Cash Management Plus, Dreyfus
New York Municipal Cash Management, Dreyfus Tax Exempt Cash Management,
Dreyfus Treasury Cash Management and Dreyfus Treasury Prime Cash Management,
which have different investment objectives that may be of interest to investor
s. Upon an exchange into a new account the following shareholder services and
privileges, as applicable and where available, will be automatically carried
over to the fund into which the exchange is made: Telephone Exchange
Privilege, Redemption by Wire or Telephone, Redemption Through Compatible
Computer Facilities and the dividend/capital gain distribution option
selected by the investor.
       Page 8
        To request an exchange, exchange instructions must be given in
writing or by telephone. See "How to Redeem Shares_Procedures." Before any
exchange, the investor must obtain and should review a copy of the current
prospectus of the fund into which the exchange is being made. Prospectuses
may be obtained by calling one of the telephone numbers listed under "General
Information" in this Prospectus. Shares will be exchanged at the net asset
value next determined after receipt of an exchange request in proper form. No
fees currently are charged investors directly in connection with exchanges,
although the Fund reserves the right, upon not less than 60 days' written
notice, to charge investors a nominal fee in accordance with rules
promulgated by the Securities and Exchange Commission. The Fund reserves the
right to reject any exchange request in whole or in part. The availability of
Fund Exchanges may be modified or terminated at any time upon notice to
investors. See "Dividends, Distributions and Taxes."
DREYFUS AUTO-EXCHANGE PRIVILEGE -- Dreyfus Auto-Exchange Privilege enables an
investor to invest regularly (on a semi-monthly, monthly, quarterly or annual
basis), in exchange for Class A or Class B shares of the Fund, in Class A or
Class B shares of Dreyfus Cash Management Plus, Inc., Dreyfus Institutional
Short Term Treasury Fund, Dreyfus Government Cash Management, Dreyfus
Municipal Cash Management Plus, Dreyfus New York Municipal Cash Management,
Dreyfus Tax Exempt Cash Management, Dreyfus Treasury Cash Management or
Dreyfus Treasury Prime Cash Management, if the investor is a shareholder in
such fund. The amount an investor designates, which can be expressed either
in terms of a specific dollar or share amount, will be exchanged
automatically on the first and/or fifteenth of the month according to the
schedule that the investor has selected. Shares will be exchanged at the
then-current net asset value. The right to exercise this Privilege may be
modified or cancelled by the Fund or the Transfer Agent. An investor may
modify or cancel the exercise of this Privilege at any time by mailing
written notification to the Dreyfus Institutional Services Division, EAB
Plaza, 144 Glenn Curtiss Boulevard, 8th Floor, Uniondale, New York
11556-0144. The Fund may charge a service fee for the use of this Privilege.
No such fee currently is contemplated. For more information concerning this
Privilege and the funds eligible to participate in this Privilege, or to
obtain a Dreyfus Auto-Exchange Authorization Form, please call one of the
telephone numbers listed under "General Information." See "Dividends,
Distributions and Taxes."
                           HOW TO REDEEM SHARES
GENERAL
        Investors may request redemption of 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. Service Agents
or other institutions may charge their clients a nominal fee for effecting
redemptions of Fund shares. Any share 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 in New York by
5:00 p.m., New York time, or in Los Angeles by 12 Noon, California 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 or Los Angeles, 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
compatible computer facilities as described below.
       Page 9
        If an investor selects a telephone redemption privilege or telephone
exchange 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 designated 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 COMPUTER FACILITIES -- The Fund makes available
to institutions the ability to redeem shares through compatible computer
facilities. 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 computer
facilities are compatible and to receive instructions for redeeming shares in
this manner.
                             SERVICE PLAN
                            (Class B Only)
        Class B shares are subject to a Service Plan adopted pursuant to Rule
12b-1 under the 1940 Act. Under the Service Plan, the Fund (a) reimburses the
Distributor for distributing Class B shares and (b) pays The Dreyfus
Corporation, Dreyfus Service Corporation, a wholly-owned subsidiary of The
Dreyfus Corporation, and any affiliate of either of them (collectively,
"Dreyfus") for advertising and marketing Class B shares and for providing
certain services relating to Class B shareholder accounts, such as answering
shareholder inquiries regarding the Fund and providing reports and other
information, and services related to the maintenance of shareholder accounts
("Servicing"), at an aggregate annual rate of .25 of 1% of the value of the
average daily net assets of Class B. Each of the Distributor and Dreyfus may
pay one or more Service Agents a fee in respect of the Fund's Class B shares
owned by shareholders with whom the Service Agent has a Servicing
relationship or for whom the Service Agent is the dealer or holder of record.
Each of the Distributor and Dreyfus determines the amounts, if any, to be
paid to Service Agents under the Service Plan and the basis on which such
payments are made. The fee payable for Servicing is intended to be a "service
fee" as defined in Article III, Section 26 of the NASD Rules of Fair
Practice. The fees payable under the Service Plan are payable without regard
to actual expenses incurred.
                       SHAREHOLDER SERVICES PLAN
                            (Class A Only)
        Class A shares are subject to a Shareholder Services Plan pursuant to
which the Fund has agreed to reimburse Dreyfus Service Corporation an amount
not to exceed an annual rate of .25 of 1% of the value of the average daily
net assets of Class A shares for certain allocated expenses of providing
personal services to, and/or maintaining accounts of, Class A shareholders.
The services provided may include personal services relating to share-
         Page 10
holder accounts, such as answering shareholder inquiries regarding the Fund
and providing reports and other information, and services related to the
maintenance of shareholder accounts. The Dreyfus Corporation, and not the
Fund, currently reimburses Dreyfus Service Corporation for any such allocated
expenses. See "Management of the Fund."
                   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. The Fund's earnings for Saturdays, Sundays and holidays
are declared as dividends on the prior business day. 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. If an investor redeems all shares in its account at any time
during the month, all dividends to which the investor is entitled will be
paid along with the proceeds of the redemption. An omnibus accountholder may
indicate in a partial redemption request that a portion of any accrued
dividends to which such account is entitled belongs to an underlying
accountholder who has redeemed all shares in his or her account, and such
portion of the accrued dividends will be paid to the accountholder 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 paid by
each Class will be calculated at the same time and in the same manner and
will be in the same amount, except that the expenses attributable solely to
Class A or Class B will be borne exclusively by such Class. Class B shares
will receive lower per share dividends than Class A shares because of the
higher expenses borne by Class B. See "Annual Fund Operating Expenses."
        Dividends derived from net investment income, together with
distributions from any net realized short-term securities gains and all or a
portion of any gains realized 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 beneficial
holder of Fund shares is a citizen or resident of the United States. No
portion of the dividends or distributions declared by the Fund qualifies 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 if the beneficial holder of Fund shares is a citizen or resident of
the United States, regardless of how long shareholders have held their Fund
shares and whether such distributions are received in cash or reinvested in
Fund shares. 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 and distributions may be subject to certain state and local
taxes.
        Dividends derived from net investment income, together with
distributions from net realized short-term securities gains and all or a
portion of any gains realized 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 an investor's dividends and
distributions will be mailed to such investor 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.
         Page 11
        The exchange of shares of one fund for shares of another fund is
treated for Federal income tax purposes as a sale of the shares given in
exchange by the investor and, therefore, an exchanging investor may realize a
taxable gain or loss.
        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.
        Management of the Fund believes that the Fund has qualified for the
fiscal year ended January 31, 1996 as a "regulated investment company" under
the Code. The Fund intends to continue to so qualify if such qualification is
in the best interests of its shareholders. Such qualification relieves the
Fund of any liability 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 nondeductible 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 was incorporated under Maryland law on December 6, 1984, and
commenced operations on March 11, 1985. On May 22, 1987 the Fund was
reorganized as an unincorporated business trust under the laws of the
Commonwealth of Massachusetts. The Fund is authorized to issue an unlimited
number of shares of beneficial interest, par value $.001 per share. The
Fund's shares are classified into two classes. Each share has one vote and
shareholders will vote in the aggregate and not by class except as otherwise
required by law or with respect to any matter which affects only one class.
Holders of Class B shares only, however, will be entitled to vote on matters
submitted to shareholders pertaining to the Service Plan.
        Under Massachusetts law, shareholders could, under certain
circumstances, be held liable for the obligations of the Fund. However, the
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 a Trustee. 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 the Fund, 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 the shareholders for liabilities of the
Fund. As described under "Management of the Fund" in the Statement of
Additional Information, the Fund ordinarily will 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
Board members.
        The Transfer Agent maintains a record of each investor's ownership
and sends confirmations and statements of account.
       Page 12
        Investor inquiries may be made by writing to the Fund at 144 Glenn
Curtiss Boulevard, Uniondale, New York 11556-0144, or, in the case of
institutional investors, by calling in New York State 1-718-895-1650; outside
New York State call toll free 1-800-346-3621. Individuals or entities for
whom institutions may purchase or redeem Fund shares should call toll free
1-800-554-4611.
        The Glass-Steagall Act and other applicable laws prohibit Federally
chartered or supervised banks from engaging in certain aspects of the
business of issuing, underwriting, selling and/or distributing securities.
Accordingly, banks will perform only administrative and shareholder servicing
functions. While the matter is not free from doubt, the Fund's Board believes
that such laws should not preclude a bank from acting on behalf of clients as
contemplated by this Prospectus. However, judicial or administrative
decisions or interpretations of such laws, as well as changes in either
Federal or state statutes or regulations relating to the permissible
activities of banks and their subsidiaries or affiliates, could prevent a
bank from continuing to perform all or a part of the activities contemplated
by this Prospectus. If a bank were prohibited from so acting, its shareholder
clients would be permitted to remain Fund shareholders and alternative means
for continuing the servicing of such shareholders would be sought. In such
event, changes in the operation of the Fund might occur and shareholders
serviced by such bank might no longer be able to avail themselves of any
automatic investment or other services then being provided by the bank. The
Fund does not expect that shareholders would suffer any adverse financial
consequences as a result of any of these occurrences.
        Page 13
                              APPENDIX
INVESTMENT TECHNIQUES
BORROWING MONEY -- The Fund may borrow money from banks, but 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 borrowings exceed 5% of
the value of the Fund's total assets, the Fund will not make any additional
investments.
CERTAIN PORTFOLIO SECURITIES
U.S. GOVERNMENT SECURITIES -- Securities issued or guaranteed by the U.S.
Government or its agencies or instrumentalities include U.S. Treasury
securities, which 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.
REPURCHASE AGREEMENTS -- 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. TheFund may enter into repurchase agreements with certain banks
or non-bank dealers.
BANK OBLIGATIONS -- The Fund may purchase certificates of deposit, time
deposits, bankers' acceptances and other short-term obligations issued by
domestic banks, London branches of domestic banks and other banking
institutions. With respect to such securities issued by London branches of
domestic 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) issued by
domestic and foreign corporations, including banks.
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 are subject to legal or
contractual restrictions on resale, and repurchase agreements providing for
settlement in
       Page 14
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 15

PROSPECTUS
(LION LOGO)
DREYFUS
CASH
MANAGEMENT
COPYRIGHT LOGO DREYFUS SERVICE CORPORATION
288P060396
__________________________________________________________________________

                           DREYFUS CASH MANAGEMENT
                         CLASS A AND CLASS B SHARES
                                   PART B
                    (STATEMENT OF ADDITIONAL INFORMATION)
                                JUNE 3, 1996
   

                           AS REVISED JULY 3, 1996
    

__________________________________________________________________________

     This Statement of Additional Information, which is not a prospectus,
supplements and should be read in conjunction with the current Prospectus
of Dreyfus Cash Management (the "Fund"), dated June 3, 1996, 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, in the case of institutional investors, call the
following numbers:

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

     Individuals or entities for whom institutions may purchase or redeem
Fund shares may write to the Fund at the above address or call toll free
1-800-554-4611 to obtain a copy of the Fund's Prospectus.

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

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

                              TABLE OF CONTENTS
                                                             Page

Investment Objective and Management Policies . . . . . . . . B-2
Management of the Fund . . . . . . . . . . . . . . . . . . . B-4
Management Agreement . . . . . . . . . . . . . . . . . . . . B-8
Purchase of Shares . . . . . . . . . . . . . . . . . . . . . B-10
Service Plan (Class B Only). . . . . . . . . . . . . . . . . B-10
Shareholder Services Plan (Class A Only) . . . . . . . . . . B-11
Redemption of Shares . . . . . . . . . . . . . . . . . . . . B-12
Determination of Net Asset Value . . . . . . . . . . . . . . B-13
Investor Services. . . . . . . . . . . . . . . . . . . . . . B-14
Dividends, Distributions and Taxes . . . . . . . . . . . . . B-15
Portfolio Transactions . . . . . . . . . . . . . . . . . . . B-15
Yield Information  . . . . . . . . . . . . . . . . . . . . . B-16
Information About the Fund . . . . . . . . . . . . . . . . . B-16
Transfer and Dividend Disbursing Agent, Custodian,
     Counsel and Independent Auditors. . . . . . . . . . . . B-17
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . B-18
Financial Statements . . . . . . . . . . . . . . . . . . . . B-20
Report of Independent Auditors . . . . . . . . . . . . . . . B-28



                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.  Investments in time deposits and certificates of
deposit ("CDs") are limited to domestic banks having total assets in
excess of $1 billion or to London branches of such domestic banks.  The
Fund also is authorized to  purchase CDs issued by banks, savings and loan
associations and similar institutions with less than $1 billion in assets,
the deposits of which are insured by the Federal Deposit Insurance
Corporation ("FDIC"), provided the Fund purchases any such CD in a
principal amount of no 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
insured by the FDIC.  The Fund would not own more than one such CD per
such issuer.

     Both domestic banks and London branches of domestic banks are subject
to extensive but different governmental regulations which may limit both
the amount and types of loans which may be made and interest rates which
may be charged.  In addition, the profitability of the banking industry is
largely dependent upon the availability and cost of funds for the purpose
of financing lending operations under prevailing money market conditions.
General economic conditions as well as exposure to credit losses arising
from possible financial difficulties of borrowers play an important part
in the operations of this industry.

     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 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
CDs may be purchased by the Fund are insured 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 and 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 and are subject to other supervision and regulation designed
to promote financial soundness.  However, not all of such laws and
regulations apply to the London branches of domestic banks.

     CDs held by the Fund, other than those issued by banks with less than
one billion dollars in assets as described above, do not benefit
materially, and time deposits do not benefit at all, from insurance from
the Bank Insurance Fund or the Savings Association Insurance Fund
administered by the FDIC.

     Repurchase Agreements.  The Fund's custodian or sub-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 the 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 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

Investment Restrictions

     The Fund has adopted investment restrictions numbered 1 through 11 as
fundamental policies which cannot be changed without approval by the
holders of a majority (as defined in the Investment Company Act of 1940,
as amended (the "1940 Act")) of the Fund's outstanding voting shares.
Investment restrictions numbered 12 and 13 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.  Purchase common stocks, preferred stocks, warrants or other
equity securities, or purchase corporate bonds or debentures, state bonds,
municipal bonds or industrial revenue bonds.

      2.  Borrow money, except from banks for temporary or emergency (not
leveraging) purposes in an amount up to 15% of the value of the Fund's
total assets (including the amount borrowed) based on the lesser of cost
or market, less liabilities (not including the amount borrowed) at the
time the borrowing is made.  While borrowings exceed 5% of the value of
the Fund's total assets, the Fund will not make any additional
investments.

      3.  Sell securities short or purchase securities on margin.

      4.  Write or purchase put or call options or combinations thereof.

      5.  Underwrite the securities of other issuers.

      6.  Purchase or sell real estate, real estate investment trust
securities, commodities, or oil and gas interests.

      7.  Make loans to others, except through the purchase of debt
obligations referred to in the Prospectus.

      8.  Invest more than 15% of its assets in the obligations of any one
bank, or invest more than 5% of its assets in the obligations of any other
issuer, except that up to 25% of the value of the Fund's total assets may
be invested without regard to any such limitations.  Notwithstanding the
foregoing, to the extent required by the rules of the Securities and
Exchange Commission, the Fund will not invest more than 5% of its assets
in the obligations of any one bank.

      9.  Invest less than 25% of its assets in securities issued by banks
or invest more than 25% of its assets 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.  Invest in companies for the purpose of exercising control.

     11.  Invest in securities of other investment companies, except as
they may be acquired as part of a merger, consolidation or acquisition of
assets.

     12.  Pledge, hypothecate, mortgage or otherwise encumber its assets,
except to the extent necessary to secure permitted borrowings.

     13.  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.

     The Fund may make commitments more restrictive than the restrictions
listed above so as to permit the sale of Fund shares in certain states.
Should the Fund determine that a commitment is no longer in the best
interests of the Fund and its shareholders, the Fund reserves the right to
revoke the commitment by terminating the sale of Fund shares in the state
involved.


                           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.  Each Board member who is deemed to be an
"interested person" of the Fund, as defined in the 1940 Act, is indicated
by an asterisk.


Board Members of the Fund

*DAVID W. BURKE, Board Member.  Chairman of the Broadcasting Board of
     Governors, an independent board with the United States Information
     Agency, since August 1995.  From August 1994 to February 1995, Mr.
     Burke was a consultant to the Manager and, from October 1990 to
     August 1994, he was Vice President and Chief Administrative Officer
     of the Manager.  From 1977 to 1990, Mr. Burke was involved in the
     management of national television news, as Vice-President and
     Executive Vice President of ABC News, and subsequently as President
     of CBS News.  Mr. Burke is 59 years old and his address is P.O. Box
     654, Eastham, Massachusetts 02642.

ISABEL P. DUNST, Board Member.  Partner in the law firm of Hogan & Hartson
     since 1990.  From 1986 to 1990, she was Deputy General Counsel of the
     United States Department of Health and Human Services.  Until May
     1996, she was a Trustee of the Clients' Security Fund of the District
     of Columbia Bar and President of Temple Sinai.  Ms. Dunst is 48 years
     old and her address is c/o Hogan & Hartson, Columbia Square, 555
     Thirteenth Street, N.W., Washington, D.C. 20004-1109.

LYLE E. GRAMLEY, Board Member.  Consulting economist, since June 1992,
     and, from 1985 to May 1992, Senior Staff Vice President and Chief
     Economist, of Mortgage Bankers Association of America.  He is also a
     director of CWM Mortgage Holdings Inc.  From 1980 to 1985, he was a
     member of the Board of Governors of the Federal Reserve System.  Mr.
     Gramley is 69 years old and his address is 12901 Three Sisters Road,
     Potomac, Maryland 20854.

WARREN B. RUDMAN, Board Member.  Since January 1993, Partner in the law
     firm Paul, Weiss, Rifkind, Wharton & Garrison.  From January 1981 to
     January 1993, Mr. Rudman served as a United States Senator from the
     State of New Hampshire.  Since May 1995, Mr. Rudman has served as a
     director of Collins & Aikman Corporation.  Since January 1993, Mr.
     Rudman has served as a director of Chubb Corporation and the Raytheon
     Company.  Since 1988, Mr. Rudman has served as a trustee of Boston
     College, and since 1986 as a member of the Senior Advisory Board of
     the Institute of Politics of the Kennedy School of Government at
     Harvard University.  He also served as Deputy Chairman of the
     President's Foreign Intelligence Advisory Board.  From January 1993
     to December 1994, Mr. Rudman had served as Vice Chairman of the
     Federal Reserve Bank of Boston.  Mr. Rudman is 65 years old and his
     address is 1615 L Street, N.W., Suite 1300, Washington D.C. 20036.

     No shareholder meetings will be held for the purpose of electing
Board members 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.  Board members
are required to 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.

     For so long as the Fund's plans described in the sections captioned
"Service Plan" and "Shareholder Services Plan" remain in effect, the Board
members of the Fund who are not "interested persons" of the Fund, as
defined in the 1940 Act, will be selected and nominated by the Board
members who are not "interested persons" of the Fund.

     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 aggregate amount of
compensation payable to each Board member by the Fund for the fiscal year
ended January 31, 1996, 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, 1995, were as follows:
                                                       Total Compensation
                              Aggregate                from Fund and
    Name of Board             Compensation from        Fund Complex paid
      Member                  Fund(*)(+)               to Board Member
_________________              ________________        _________________

David W. Burke                $5,500                      $253,654 (52)

Isabel P. Dunst               $5,500                      $46,500 (7)

Lyle E. Gramley               $5,500                      $46,500 (7)

Warren B. Rudman              $5,500                      $85,500 (17)
__________________________________

(*)  Amount does not include reimbursed expenses for attending Board
     meetings, which amounted to $533.43 for all Board members as a group.

(+)  The aggregate compensation payable to each Board member by the Fund
     was paid by the Manager and not the Fund.

Officers of the Fund

MARIE E. CONNOLLY, President and Treasurer.  President and 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.  Prior to December 1991, she served
     as Vice President and Controller, and later as Senior Vice President,
     of The Boston Company Advisors, Inc.  She is 38 years old.

JOHN E. PELLETIER, Vice President and Secretary.  Senior Vice President
     and 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.  From August 1990 to February 1992, he was
     employed as an Associate at Ropes & Gray.  He is 31 years old.

ERIC B. FISCHMAN, Vice President and Assistant Secretary.  Associate
     General Counsel of the Distributor and an officer of other investment
     companies advised or administered by the Manager.  From September
     1992 to August 1994, he was an attorney with the Board of Governors
     of the Federal Reserve System.  He is 31 years old.

FREDERICK C. DEY, Vice President and Assistant Treasurer.  Senior Vice
     President of the Distributor and an officer of other investment
     companies advised or administered by the Manager.  From 1988 to
     August 1994, he was manager of the High Performance Fabric Division
     of Springs Industries Inc.  He is 34 years old.

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

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

JOHN J. PYBURN, Assistant Treasurer.  Assistant Treasurer of the
     Distributor and an officer of other investment companies advised or
     administered by Manager.  From 1984 to July 1994, he was an Assistant
     Vice President in the Mutual Fund Accounting Department of the
     Manager.  He is 60 years old.

MARGARET PARDO, Assistant Secretary.  Legal Assistant with the Distributor
     and an officer of other investment companies advised or administered
     by the Manager.  From June 1992 to April 1995, she was a Medical
     Coordination Officer at ORBIS International.  Prior to June 1992, she
     worked as a Program Coordinator at Physicians World Communications
     Group.  She is 27 years old.

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

     Board members and officers of the Fund, as a group, owned less than
1% of the Fund's shares outstanding on May 3, 1996.

     The following shareholders are known by the Fund to own of record 5%
or more of the Fund's Class A shares of beneficial interest outstanding on
May 3, 1996: (1) Laba & Company, c/o La Salle National Bank, P.O. Box
1443, Chicago, IL 60690-1443 (6.64%); (2) Adams & Company, American
National Bank, 101 5th Street East, Saint Paul, MN 55101-1808 (5.68%); and
(3) Northwest Bank Minnesota NA, Attn: Cash Sweep Processing, 733
Marquette Avenue, 4th floor, Minneapolis, MN 55479-0052 (5.28%).

     The following shareholders are known by the Fund to own of record 5%
or more of the Fund's Class B shares of beneficial interest outstanding on
May 3, 1996:  (1) Mellon Bank, Three Mellon Bank Center, Room 153-2502,
Pittsburgh, PA 15259 (33.51%) (Account #1); (2) Mellon Bank, Three Mellon
Bank Center, Room 153-2502, Pittsburgh PA 15259 (16.60%) (Account #2); (3)
Home Fed Trust Co., Attn: Trust Operations, 625 Broadway, Suite 906, San
Diego, CA 92101-5416 (15.89%); and (4) First Union National Bank of NC,
Capital Markets Department, 301 South College Street TW-9, Charlotte, NC
28288-0601 (5.37%).

     A shareholder who beneficially owns, directly or indirectly, more
than 25% of the Fund's voting securities may be deemed a "control person"
(as defined in the 1940 Act) of the Fund.

                            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 August 24, 1994 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.  Shareholders approved the Agreement on August 5, 1994, and the
Fund's Board, including a majority of the Board members who are not
"interested persons" of any party to the Agreement, last voted to renew
the Agreement at a meeting held on May 22, 1996.  The Agreement is
terminable without penalty, on not more than 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:
Howard Stein, Chairman of the Board and Chief Executive Officer; W. Keith
Smith, a Vice Chairman of the Board; Christopher M. Condron, President,
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; Philip L. Toia, Vice Chairman--Operations and
Administration and a director; William T. Sandalls, Jr., Senior Vice
President and Chief Financial Officer; Barbara Casey, Vice President--
Dreyfus Retirement Services; Elie M. Genadry, Vice President--
Institutional Sales; William F. Glavin, Jr., Vice President--Corporate
Development; Mark N. Jacobs, Vice President, General Counsel and
Secretary; Patrice M. Kozlowski, 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; Maurice Bendrihem, Controller; Elvira Oslapas,
Assistant Secretary; and Mandell L. Berman, Frank V. Cahouet, Alvin E.
Friedman, Lawrence M. Greene and Julian M. Smerling, 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 portfolio managers are
Robert P. Fort, Jr., Garritt Kono, Bernard Kiernan and Patricia A. Larkin.
The Manager also maintains a research department with a professional staff
of portfolio managers and securities analysts who provide research
services for the Fund as well as for other funds advised by the Manager.
All purchases and sales are reported for the Board's review at the meeting
subsequent to such transactions.

     The Manager maintains office facilities for 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.

     As compensation for the Manager's services under the Agreement, the
Fund has agreed to pay the Manager a monthly management fee at the annual
rate of .20 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 investors.  The management fees paid by the Fund for the
fiscal years ended January 31, 1994, 1995 and 1996, amounted to
$7,002,438, $4,607,084 and $5,179,993, respectively.

     Unless the Manager gives the Fund's investors at least 90 days'
notice to the contrary, the Manager, and not the Fund, will be liable for
those expenses of the Fund (exclusive of taxes, brokerage, interest on
borrowings and (with the prior written consent of the necessary state
securities commissions) extraordinary expenses) other than the following
expenses, which will be Fund expenses: (i) the management fee payable by
the Fund monthly at the annual rate of .20 of 1% of the value of the
Fund's average daily net assets and (ii) as to Class B shares only,
payments made at the annual rate of .25 of 1% of the value of the average
daily net assets of Class B, pursuant to the Fund's Service Plan.  See
"Service Plan."

     In addition, the Agreement provides that if in any fiscal year the
aggregate expenses of the Fund, exclusive of taxes, brokerage, interest on
borrowings and (with the prior written consent of the necessary state
securities commissions) extraordinary expenses, but including the
management fee, exceed 1-1/2% of the value of the Fund's average net assets
for the fiscal year, the Fund may deduct from the payment to be made to
the Manager under the Agreement, or the Manager will bear, such excess
expense.  Such deduction or payment, if any, will be estimated on a daily
basis, and reconciled and effected or paid, as the case may be, on a
monthly basis.

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


                             PURCHASE OF 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 funds in the Dreyfus
Family of Funds and for certain other investment companies.  In some
states, banks or other financial institutions effecting transactions in
Fund shares may be required to register as dealers pursuant to state law.

     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.  If the investor is a customer of a
securities dealer, bank or other financial institution and his order to
purchase Fund shares is paid for other than in Federal Funds, the
securities dealer, bank or other financial institution, acting on behalf
of its customer, will complete the conversion into, or itself advance,
Federal Funds generally on the business day following receipt of the
customer order.  The order is effective only when so converted and
received by the Custodian or Sub-Custodian.  An order for the purchase of
Fund shares placed by an investor with a sufficient Federal Funds or cash
balance in his brokerage account with a securities dealer, bank or other
financial institution will become effective on the day that the order,
including Federal Funds, is received by the Custodian or Sub-Custodian.


                                SERVICE PLAN
                               (CLASS B ONLY)

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

     Rule 12b-1 (the "Rule") adopted by the Securities and Exchange
Commission under the 1940 Act provides, among other things, that an
investment company may bear expenses of distributing its shares only
pursuant to a plan adopted in accordance with the Rule.  The Fund's Board
has adopted such a plan (the "Service Plan") with respect to the Fund's
Class B shares, pursuant to which the Fund reimburses the Distributor for
distributing Class B shares and pays the Manager, Dreyfus Service
Corporation, a wholly-owned subsidiary of the Manager, and any affiliate
of either of them (collectively, "Dreyfus") for advertising and marketing
Class B shares and for providing certain services to the holders of Class
B shares.  Under the Service Plan, the Distributor and Dreyfus may make
payments to certain financial institutions, securities dealers and other
financial industry professionals (collectively, "Service Agents") in
respect to these services.  The Fund's Board believes that there is a
reasonable likelihood that the Service Plan will benefit the Fund and the
holders of Class B shares.

     A quarterly report of the amounts expended under the Service Plan,
and the purposes for which such expenditures were incurred, must be made
to the Board for its review.  In addition, the Service Plan provides that
it may not be amended to increase materially the costs which holders of
Class B shares may bear pursuant to the Service Plan without the approval
of the holders of Class B shares and that other material amendments of the
Service Plan must be approved by the Fund's Board, and by the Board
members who are not "interested persons" (as defined in the 1940 Act) of
the Fund and have no direct or indirect financial interest in the
operation of the Service Plan or in any agreements entered into in
connection with the Service Plan, by vote cast in person at a meeting
called for the purpose of considering such amendments.  The Service Plan
is subject to annual approval by such vote of the Board members cast in
person at a meeting called for the purpose of voting on the Service Plan.
The Service Plan was last so approved by the Board members at a meeting
held on May 22, 1996.  The Service Plan may be terminated at any time by
vote of a majority of the Board members who are not "interested persons"
and have no direct or indirect financial interest in the operation of the
Service Plan or in any agreements entered into in connection with the
Service Plan or by vote of the holders of a majority of Class B shares.

     For the fiscal year ended January 31, 1996, the Fund paid $445,940
pursuant to the Service Plan, of which $351,716 was paid to the
Distributor as reimbursement for distributing Class B shares, and $94,224
was paid to Dreyfus for advertising and marketing Class B shares and for
providing services to Class B shareholders.


                          SHAREHOLDER SERVICES PLAN
                               (CLASS A ONLY)

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

     The Fund has adopted a Shareholder Services Plan (the "Plan")
pursuant to which the Fund has agreed to reimburse Dreyfus Service
Corporation for certain allocated expenses of providing personal services
and/or maintaining shareholder accounts with respect to Class A shares
only.  The services provided may include personal services relating to
shareholder accounts, such as answering shareholder inquiries regarding
the Fund and providing reports and other information, and services related
to the maintenance of shareholder accounts.

     A quarterly report of the amounts expended under the Plan, and the
purposes for which such expenditures were incurred, must be made to the
Board for its review.  In addition, the Plan provides that material
amendments of the Plan must be approved by the Fund's Board, and by the
Board members who are not "interested persons" (as defined in the 1940
Act) of the Fund or the Manager and have no direct or indirect financial
interest in the operation of the Plan, by vote cast in person at a meeting
called for the purpose of considering such amendments.  The Plan is
subject to annual approval by such vote of the Board members cast in
person at a meeting called for the purpose of voting on the Plan.  The
Plan was last so approved by the Board members at a meeting held on May
22, 1996.  The Plan is terminable at any time by vote of a majority of the
Board members who are not "interested persons" and have no direct or
indirect financial interest in the operation of the Plan.

     For the fiscal year ended January 31, 1996, no amounts were paid by
the Fund, with respect to Class A shares, under the Plan.  See "Management
Agreement."


                            REDEMPTION OF 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 at its New York office by 5:00 p.m., New
York time, or at its Los Angeles office by Noon, California time, on such
day; 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 also 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 shareholder 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 would 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 sales 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 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 per
share by using available market quotations or market equivalents.

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


                              INVESTOR SERVICES

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

     Fund Exchanges.  By using the Telephone Exchange Privilege, the
investor authorizes the Transfer Agent to act on exchange 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.  Telephone exchanges may be subject to limitations as
to the amount involved or the number of telephone exchanges permitted.
Shares will be exchanged at the net asset value next determined after
receipt of an exchange request in proper form.  Shares in certificate form
are not eligible for telephone exchange.

     Dreyfus Auto-Exchange Privilege.  Dreyfus Auto-Exchange Privilege
permits an investor to purchase, in exchange for shares of the Fund,
shares of Dreyfus Cash Management Plus, Inc., Dreyfus Institutional Short
Term Treasury Fund, Dreyfus Government Cash Management, Dreyfus Municipal
Cash Management Plus, Dreyfus New York Municipal Cash Management, Dreyfus
Tax Exempt Cash Management, Dreyfus Treasury Cash Management or Dreyfus
Treasury Prime Cash Management.  This Privilege is available only for
existing accounts.  Shares will be exchanged on the basis of relative net
asset value.  Enrollment in or modification or cancellation of this
Privilege is effective three business days following notification by the
investor.  An investor will be notified if its account falls below the
amount designated under this Privilege.  In this case, an investor's
account will fall to zero unless additional investments are made in excess
of the designated amount prior to the next Auto-Exchange transaction.
Shares in certificate form are not eligible for this Privilege.

     Fund Exchanges and the Dreyfus Auto-Exchange Privilege are available
to investors resident in any state in which shares of the fund being
acquired may legally be sold.  Shares may be exchanged only between
accounts having identical names and other identifying designations.

     The Fund reserves the right to reject any exchange request in whole
or in part.  The availability of Fund Exchanges or the Dreyfus Auto-
Exchange Privilege may be modified or terminated at any time upon notice
to investors.


                     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
gains 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 are paid by the Fund for such purchases.
Purchases from underwriters of portfolio securities 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 include
the spread between the bid and asked price.  No brokerage commissions have
been paid by the Fund to date.

     Transactions are allocated to various dealers by the Fund's portfolio
managers in their best judgment.  The primary consideration is 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 effects
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 Fund's Prospectus entitled "Yield
Information."

     For the seven-day period ended January 31, 1996, yield and effective
yield for Class A shares was 5.50% and 5.65%, respectively, and for Class
B shares was 5.25% and 5.39%, respectively.  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 shareholder
accounts, 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.  The 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.


                         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."

     Each 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 have no preemptive, subscription or conversion
rights and are freely transferable.

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

     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 multibillion
dollar industry.

     The Fund is a member of the Family of Dreyfus Cash Management Funds
which are designed to meet the needs of an array of institutional
investors.  As of May 8, 1996, the total net assets of the Dreyfus Cash
Management Funds amounted to approximately $21.5 billion.


         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 arranges 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
receives 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.  For the period December 1, 1995
(effective date of transfer agency agreement) through January 31, 1996,
the Fund paid the Transfer Agent $2,821.

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

     First Interstate Bank of California, 707 Wilshire Boulevard, Los
Angeles, California 90017, serves as a sub-custodian of the Fund's
investments.

     Dreyfus Transfer, Inc., The Bank of New York, and First Interstate
Bank of California have no part in determining the investment policies of
the Fund or which portfolio securities are to be purchased or sold by the
Fund.

     Stroock & Stroock & Lavan, 7 Hanover Square, New York, New York
10004-2696, 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.

     In addition to ratings of short-term obligations, BankWatch assigns a
rating to each issuer it rates, in gradations of A through F.  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 that bank is domiciled.

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.

     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 the bank's 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.


<TABLE>
<CAPTION>
DREYFUS CASH MANAGEMENT
STATEMENT OF INVESTMENTS                                                                                  JANUARY 31, 1996
                                                                                                     PRINCIPAL
NEGOTIABLE BANK CERTIFICATES OF DEPOSIT-6.6%                                                           AMOUNT           VALUE
                                                                                                       ________      ________
<S>                                                                                            <C>               <C>
Chase Manhattan Bank
    5.25%, 10/17/96.........................................................                   $     50,000,000  $ 50,000,000
Morgan Guaranty Trust Co. (London)
    5.51%, 6/11/96-6/12/96..................................................                         20,000,000    19,999,703
Old Kent Bank & Trust Co.
    5.13%-5.18%, 10/25/96-10/28/96..........................................                         45,000,000    45,000,000
Union Bank
    5.20%-5.32%, 7/26/96-8/2/96.............................................                         75,000,000    75,000,000
                                                                                                                      _______
TOTAL NEGOTIABLE BANK CERTIFICATES OF DEPOSIT
    (cost $189,999,703).....................................................                                    $ 189,999,703
                                                                                                                      =======
COMMERCIAL PAPER-48.5%
Abbey National North America
    5.33%, 5/8/96...........................................................                    $   125,000,000  $ 123,231,771
BHF Finance (DE) Inc.
    5.47%-5.66%, 3/6/96-4/8/96..............................................                         86,650,000    85,954,008
Bankers Trust New York Corp.
    5.42%-5.81%, 3/15/96-7/8/96.............................................                         125,000,000  123,337,181
Chase Manhattan Corp.
    5.88%, 5/10/96..........................................................                         75,000,000    73,838,813
Ciesco L.P.
    5.66%-5.75%, 2/13/96-3/21/96............................................                         20,300,000    20,204,685
Den Danske Corp. Inc.
    5.20%-5.72%, 3/4/96-7/31/96.............................................                         85,000,000    83,403,225
Ford Motor Credit Co.
    5.52%-5.78%, 2/21/96-5/9/96.............................................                         100,000,000  99,107,500
General Electric Capital Corp.
    5.69%, 4/9/96...........................................................                         40,000,000    39,578,400
General Motors Acceptance Corp.
    5.80%-5.82%, 2/2/96-2/26/96.............................................                         140,000,000  139,674,971
Goldman Sachs Group L.P.
    5.72%, 3/6/96...........................................................                         100,000,000  99,468,278
Lehman Brothers Holdings Inc.
    5.82%, 2/7/96...........................................................                         50,000,000    49,952,250
Merrill Lynch & Co. Inc.
    5.14%-5.78%, 3/8/96-10/25/96............................................                         95,000,000    92,453,492
Morgan Stanley Group Inc.
    5.40%-5.58%, 3/20/96-4/30/96............................................                         135,000,000  133,515,394
NYNEX Corp.
    5.34%-5.41%, 4/26/96-5/17/96............................................                         55,000,000    54,236,000

DREYFUS CASH MANAGEMENT
STATEMENT OF INVESTMENTS (CONTINUED)                                                                     JANUARY 31, 1996
                                                                                                 PRINCIPAL
COMMERCIAL PAPER (CONTINUED)                                                                     AMOUNT           VALUE
                                                                                                 _________       ________

Nation Bank Corp.
    5.61%, 5/28/96..........................................................                    $    40,000,000  $ 39,290,200
SwedBank Inc.
    5.60%-5.81%, 2/5/96-4/3/96..............................................                        137,000,000   136,259,003
                                                                                                                      _______
TOTAL COMMERCIAL PAPER
    (cost $1,393,505,171)...................................................                                   $1,393,505,171
                                                                                                                      =======
CORPORATE NOTES-13.7%
Bear Stearns Companies Inc.
    5.64%-5.83%, 7/11/96-1/29/97 (a)........................................                    $   115,000,000  $115,000,000
Comerica Bank
    5.65%, 7/26/96 (a)......................................................                         70,000,000    69,999,007
General Electric Capital Corp.
    5.77%-5.78%, 3/29/96-4/12/96 (a)........................................                         60,000,000    59,996,583
Lehman Brothers Holdings Inc.
    5.75%, 1/6/97 (a).......................................................                         50,000,000    50,000,000
Merrill Lynch & Co. Inc.
    5.68%-5.81%, 7/2/96-1/16/97 (a).........................................                         49,000,000    48,999,600
PHH Corp.
    5.27%, 2/9/96 (a).......................................................                         50,000,000    50,000,000
                                                                                                                      _______
TOTAL CORPORATE NOTES
    (cost $393,995,190).....................................................                                   $   393,995,190
                                                                                                                      =======
SHORT-TERM BANK NOTES-14.0%
Banc One Milwaukee
    5.62%, 2/6/97 (a).......................................................                  $     50,000,000   $ 49,980,685
Comerica Bank
    6.48%, 5/2/96...........................................................                         45,000,000    44,996,755
First National Bank of Boston
    5.61%-5.73%, 6/21/96-11/18/96 (a).......................................                         140,000,000  140,000,000
Morgan Guaranty Trust Co.
    5.50%-6.05%, 8/21/96-1/8/97 (a).........................................                         55,000,000    55,000,000
NBD Bank, NA
    6.42%, 4/26/96..........................................................                         50,000,000    50,000,000
NationsBank of Texas
    5.50%, 7/10/96..........................................................                         60,000,000    60,000,000
                                                                                                                      _______
TOTAL SHORT-TERM BANK NOTES
    (cost $399,977,440).....................................................                                    $  399,977,440
                                                                                                                      =======

DREYFUS CASH MANAGEMENT
STATEMENT OF INVESTMENTS (CONTINUED)                                                                        JANUARY 31, 1996
                                                                                                      PRINCIPAL
U.S. GOVERNMENT AGENCIES-12.2%                                                                          AMOUNT           VALUE
                                                                                                        ________      ________

Federal Home Loan Banks , Floating Rate Notes
    6.05%, 2/3/97 (a).......................................................                    $     50,000,000  $ 49,990,481
Federal National Mortgage Association , Floating Rate Notes
    5.56%-5.97%, 12/16/96-8/1/97 (a)........................................                         300,000,000  299,844,987
                                                                                                                      _______
TOTAL U.S. GOVERNMENT AGENCIES
    (cost $349,835,468).....................................................                                    $ 349,835,468
                                                                                                                      =======
TIME DEPOSITS-.1%
Republic National Bank of New York (London)
    5.38%, 2/1/96
    (cost $3,343,000).......................................................                   $       3,343,000  $ 3,343,000
                                                                                                                      =======
REPURCHASE AGREEMENTS-7.1%
Aubrey G. Lanston & Co., Inc.
    5.65%, dated 1/31/96, due 2/1/96 in the amount of
    $144,238,634 (fully collateralized by
    $150,185,000 U.S. Treasury Bills due
    8/22/96-9/19/96, value $145,957,916)....................................                    $   144,216,000   $ 144,216,000
SBC Capital Markets
    5.71%, dated 1/31/96, due 2/1/96 in the amount of
    $60,009,517 (fully collateralized by $63,150,000
    U.S. Treasury Bills due 9/19/96, value
    $61,225,048)............................................................                         60,000,000    60,000,000
                                                                                                                      _______
TOTAL REPURCHASE AGREEMENTS
    (cost $204,216,000).....................................................                                   $  204,216,000
                                                                                                                      =======
TOTAL INVESTMENTS
    (cost $2,934,871,972)...........................................        102.2%                             $2,934,871,972
                                                                            ======                                    =======
LIABILITIES, LESS CASH AND RECEIVABLES..............................        (2.2%)                           $    (61,923,103)
                                                                            ======                                    =======
NET ASSETS..........................................................        100.0%                             $2,872,948,869
                                                                            ======                                    =======
NOTE TO STATEMENT OF INVESTMENTS;
    (a)  Variable interest rate-subject to periodic change.





See notes to financial statements.

DREYFUS CASH MANAGEMENT
STATEMENT OF ASSETS AND LIABILITIES                                                                 JANUARY 31, 1996
ASSETS:
    Investments in securities, at value-Note 1(a,b).........................                                     $2,934,871,972
    Receivable for investment securities sold...............................                                         49,937,778
    Interest receivable.....................................................                                         12,233,396
                                                                                                                        _______
                                                                                                                  2,997,043,146
LIABILITIES:
    Due to The Dreyfus Corporation..........................................                $       488,437
    Due to Distributor......................................................                         93,668
    Payable for investment securities purchased.............................                    123,145,060
    Accrued expenses and other liabilities..................................                         367,112        124,094,277
                                                                                                     _______            _______
NET ASSETS..................................................................                                     $2,872,948,869
                                                                                                                        =======
REPRESENTED BY:
    Paid-in capital.........................................................                                     $2,873,146,790
    Accumulated net realized (loss) on investments..........................                                           (197,921)
                                                                                                                        _______
NET ASSETS at value.........................................................                                     $2,872,948,869
                                                                                                                        =======
Shares of Beneficial Interest outstanding:
    Class A shares
      (unlimited number of $.001 par value shares authorized)...............                                      2,442,863,593
                                                                                                                        =======
    Class B shares
      (unlimited number of $.001 par value shares authorized)...............                                        430,283,197
                                                                                                                        =======
NET ASSET VALUE per share:
    Class A shares
      ($2,442,646,468 / 2,442,863,593 shares)...............................                                              $1.00
                                                                                                                        =======
    Class B shares
      ($430,302,401 / 430,283,197 shares)...................................                                              $1.00
                                                                                                                        =======
STATEMENT OF OPERATIONS                                                                            YEAR ENDED JANUARY 31, 1996
INVESTMENT INCOME:
    INTEREST INCOME.........................................................                                      $ 156,825,199
    EXPENSES:
      Management fee-Note 2(a)..............................................                  $    5,179,993
      Distribution fees (Class B shares)-Note 2(b)..........................                         445,940
                                                                                                     _______
          TOTAL EXPENSES....................................................                                         5,625,933
                                                                                                                       _______
INVESTMENT INCOME-NET.......................................................                                       151,199,266
NET REALIZED GAIN ON INVESTMENTS-Note 1(b)..................................                                           428,428
                                                                                                                       _______
NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS........................                                    $  151,627,694
                                                                                                                       =======

See notes to financial statements.
</TABLE>
<TABLE>
<CAPTION>
DREYFUS CASH MANAGEMENT
STATEMENT OF CHANGES IN NET ASSETS
                                                                                            YEAR ENDED JANUARY 31,
                                                                                  ________________________________________
                                                                                         1995                           1996
                                                                                       ________                        ________
<S>                                                                           <C>                                  <C>
OPERATIONS:
    Investment income-net...............................................    $        93,757,618                    $151,199,266
    Net realized gain (loss) on investments.............................               (185,931)                        428,428
                                                                                       ________                        ________
          NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS..........              93,571,687                    151,627,694
                                                                                       ________                        ________
DIVIDENDS TO SHAREHOLDERS FROM;
    Investment income-net:
      Class A shares....................................................             (90,088,510)                 (141,323,993)
      Class B shares....................................................              (3,669,108)                   (9,875,273)
                                                                                       ________                        ________
          TOTAL DIVIDENDS...............................................             (93,757,618)                 (151,199,266)
                                                                                       ________                        ________
BENEFICIAL INTEREST TRANSACTIONS ($1.00 per share):
    Net proceeds from shares sold:
      Class A shares....................................................         17,326,303,484                  19,851,202,552
      Class B shares....................................................            670,809,160                   1,517,423,779
    Dividends reinvested:
      Class A shares....................................................             21,969,146                      38,568,632
      Class B shares....................................................              1,713,385                       4,217,122
    Cost of shares redeemed:
      Class A shares....................................................        (18,425,780,190)                (19,264,692,986)
      Class B shares....................................................           (639,452,949)                 (1,176,698,999)
                                                                                       ________                        ________
          INCREASE (DECREASE) IN NET ASSETS FROM BENEFICIAL
            INTEREST TRANSACTIONS.......................................          (1,044,437,964)                    970,020,100
                                                                                       ________                        ________
            TOTAL INCREASE (DECREASE) IN NET ASSETS.....................          (1,044,623,895)                    970,448,528
NET ASSETS:
    Beginning of year...................................................            2,947,124,236                  1,902,500,341
                                                                                       ________                        ________
    End of year.........................................................        $   1,902,500,341                $ 2,872,948,869
                                                                                       ========                        ========






See notes to financial statements.
</TABLE>
DREYFUS CASH MANAGEMENT
FINANCIAL HIGHLIGHTS
    Reference is made to page 3 and 4 of the Fund's Prospectus dated
June 3, 1996.


DREYFUS CASH MANAGEMENT
NOTES TO FINANCIAL STATEMENTS
NOTE 1-SIGNIFICANT ACCOUNTING POLICIES:
    Dreyfus Cash Management (the "Fund") is registered under the Investment
Company Act of 1940 ("Act") as a diversified open-end management investment
company. 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 ("Manager") serves
as the Fund's investment adviser. The Manager is a direct subsidiary of
Mellon Bank, N.A.
    Premier Mutual Fund Services, Inc. (the "Distributor") acts as the
distributor of the Fund's shares, which are sold without a sales load. The
Fund offers both Class A and Class B shares. Class B shares are subject to a
Service Plan adopted pursuant to Rule 12b-1 under the Act. Other differences
between the two Classes include the services offered to and the expenses
borne by each Class and certain voting rights.
    It is the Fund's policy to maintain a continuous net asset value per
share of $1.00; the Fund has adopted certain investment, portfolio valuation
and dividend and distribution policies to enable it to do so. There is no
assurance, however, that the Fund will be able to maintain a stable net asset
value of $1.00.
    (A) PORTFOLIO VALUATION: Investments are valued at amortized cost, which
has been determined by the Fund's Board of Trustees to represent the fair
value of the Fund's investments.
    (B) SECURITIES TRANSACTIONS AND INVESTMENT INCOME: Securities
transactions are recorded on a trade date basis. Realized gain and loss from
securities transactions are recorded on the identified cost basis. Interest
income is recognized on the accrual basis. Cost of investments represents
amortized cost.
    The Fund may enter into repurchase agreements with financial
institutions, deemed to be creditworthy by the Manager, subject to the
seller's agreement to repurchase and the Fund's agreement to resell such
securities at a mutually agreed upon price. Securities purchased subject to
repurchase agreements are deposited with the Fund's custodians and, pursuant
to the terms of the repurchase agreement, must have an aggregate market value
greater than or equal to the repurchase price plus accrued interest at all
times. If the value of the underlying securities falls below the value of the
repurchase price plus accrued interest, the Fund will require the seller to
deposit additional collateral by the next business day. If the request for
additional collateral is not met, or the seller defaults on its repurchase
obligation, the Fund maintains the right to sell the underlying securities at
market value and may claim any resulting loss against the seller.
    (C) DIVIDENDS TO SHAREHOLDERS: It is the policy of the Fund to declare
dividends from investment income-net on each business day.  Such dividends
are paid monthly. Dividends from net realized capital gain are normally
declared and paid annually, but the Fund may make distributions on a more
frequent basis to comply with the distribution requirements of the Internal
Revenue Code. To the extent that net realized capital gain can be offset by
capital loss carryovers, it is the policy of the Fund not to distribute such
gain.
    (D) FEDERAL INCOME TAXES: It is the policy of the Fund to continue to
qualify as a regulated investment company, if such qualification is in the
best interests of its shareholders, by complying with the applicable
provisions of the Internal Revenue Code, and to make distributions of taxable
income sufficient to relieve it from substantially all Federal income and
excise taxes.

DREYFUS CASH MANAGEMENT
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
    The Fund has an unused capital loss carryover of approximately $198,000
available for Federal income tax purposes to be
applied against future net securities profits, if any, realized subsequent to
January 31, 1996. If not applied, $10,000 of the carryover expires in fiscal
1999, and $188,000 expires in fiscal 2003.
    At January 31, 1996, the cost of investments for Federal income tax
purposes was substantially the same as the cost for financial reporting
purposes (see the Statement of Investments).
NOTE 2-MANAGEMENT FEE AND OTHER TRANSACTIONS WITH AFFILIATES:
    (A) Pursuant to a management agreement ("Agreement") with the Manager,
the management fee is computed at the annual rate of .20 of 1% of the average
daily value of the Fund's net assets and is payable monthly.
    Unless the Manager gives the Fund's investors 90 days notice to the
contrary, the Manager and not the Fund, will be liable for Fund expenses
(exclusive of taxes, brokerage, interest on borrowings and, with the prior
written consent of the necessary state securities commissions, extraordinary
expenses) other than the following expenses, which will be borne by the Fund:
the management fee, and with respect to the Fund's Class B shares, Rule 12b-1
Service Plan expenses.
    Effective December 1, 1995, the Fund compensates Dreyfus Transfer, Inc.,
a wholly-owned subsidiary of the Manager, under a transfer agency agreement
for providing personnel and facilities to perform transfer agency services
for the Fund. Such compensation amounted to $2,821 for the period from
December 1, 1995 through January 31, 1996.
    (B) Under the Class B Service Plan (the "Plan") adopted pursuant to Rule
12b-1 under the Act, the Fund (a) reimburses the Distributor for distributing
the Fund's Class B shares and (b) pays the Manager and Dreyfus Service
Corporation, a wholly-owned subsidiary of the Manager, and their affiliates
(collectively "Dreyfus") for advertising and marketing relating to the Fund's
Class B shares and for providing certain services relating to Class B
shareholder accounts, such as answering shareholder inquiries regarding the
Fund and providing reports and other information, and services related to the
maintenance of shareholder accounts ("Servicing"), at an aggregate annual
rate of .25 of 1% of the value of the average daily net assets of Class B.
Both the Distributor and Dreyfus may pay one or more Service Agents a fee in
respect of the Funds' Class B shares owned by the shareholders with whom the
Service Agent has a Servicing relationship or for whom the Service Agent is
the dealer or holder of record. Both the Distributor and Dreyfus determine
the amounts, if any, to be paid to the Service Agents under the Plan and the
basis on which such payments are made. The fees payable under the Plan are
payable without regard to actual expenses incurred. During the year ended
January 31, 1996, $445,940 was charged to the Fund, pursuant to the Plan.
    (C) Each trustee who is not an "affiliated person" as defined in the Act
receives an annual fee of $3,000 and an attendance fee of $500 per meeting.


DREYFUS CASH MANAGEMENT
REPORT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
SHAREHOLDERS AND BOARD OF TRUSTEES
DREYFUS CASH MANAGEMENT
    We have audited the accompanying statement of assets and liabilities of
Dreyfus Cash Management, including the statement of investments, as of
January 31, 1996, and the related statement of operations for the year then
ended, the statement of changes in net assets for each of the two years in
the period then ended, and financial highlights for each of the years
indicated therein. These financial statements and financial highlights are
the responsibility of the Fund's management. Our responsibility is to express
an opinion on these financial statements and financial highlights based on
our audits.
    We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to
obtain reasonable assurance about whether the financial statements and
financial highlights are free of material misstatement. An audit includes
examining, on a test basis, evidence supporting the amounts and disclosures
in the financial statements. Our procedures included confirmation of
securities owned as of January 31, 1996 by correspondence with the custodian
and brokers. An audit also includes assessing the accounting principles used
and significant estimates made by management, as well as evaluating the
overall financial statement presentation. We believe that our audits provide
a reasonable basis for our opinion.
    In our opinion, the financial statements and financial highlights
referred to above present fairly, in all material respects, the financial
position of Dreyfus Cash Management at January 31, 1996, the results of its
operations for the year then ended, the changes in its net assets for each of
the two years in the period then ended, and the financial highlights for each
of the indicated years, in conformity with generally accepted accounting
principles.
  [Ernst and Young LLP signature logo]


New York, New York
March 5, 1996



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