DREYFUS ONE HUNDRED PERCENT US TREASURY SHORT TERM FUND
N-30D, 2000-03-07
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Dreyfus U.S. Treasury

Short Term Fund

ANNUAL REPORT December 31, 1999

(reg.tm)





The  views  expressed herein are current to the date of this report. These views
and  the  composition  of the fund's portfolio are subject to change at any time
based on market and other conditions.

   * Not FDIC-Insured
   * Not Bank-Guaranteed
   * May Lose Value

Year 2000 Issues (Unaudited)

The fund could be adversely affected if the computer systems used by Dreyfus and
the fund's other service providers do not properly process and calculate
date-related information from and after January 1, 2000. Dreyfus has taken steps
designed to avoid year 2000-related problems in its systems and to monitor the
readiness  of other service providers.  In addition, issuers of securities in
which the fund invests may be adversely affected by year 2000-related problems.
This could have an impact on the value of the fund's investments and its share
price.


                                 Contents

                                 THE FUND
- --------------------------------------------------

                             2   Letter from the President

                             3   Discussion of Fund Performance

                             6   Fund Performance

                             7   Statement of Investments

                             9   Statement of Assets and Liabilities

                            10   Statement of Operations

                            11   Statement of Changes in Net Assets

                            12   Financial Highlights

                            13   Notes to Financial Statements

                            17   Report of Independent Auditors

                            18   Important Tax Information

                                 FOR MORE INFORMATION
- ---------------------------------------------------------------------------

                                 Back Cover

                                                                       The Fund

                                                          Dreyfus U.S. Treasury
                                                                Short Term Fund

LETTER FROM THE PRESIDENT

Dear Shareholder:

We  are  pleased  to  present this annual report for Dreyfus U.S. Treasury Short
Term  Fund,  covering  the 12-month period from January 1, 1999 through December
31,  1999.  Inside,  you' ll  find  valuable  information about how the fund was
managed  during  the  reporting  period,  including  a  discussion  with  Gerald
Thunelius,  portfolio  manager  and a member of the Dreyfus Taxable Fixed Income
Team.

The  past  year  was  challenging  for  most fixed-income investors. Faster than
expected  economic  growth  in  the  U.S.  and  overseas  fueled  concerns  that
long-dormant  inflationary  pressures  might re-emerge, potentially reducing the
future  value of bonds' interest and principal payments. These concerns prompted
the  Federal  Reserve  Board  to raise key short-term interest rates three times
during  the summer and fall of 1999 in an attempt to prevent a reacceleration of
inflation.

While  U.S.  Treasury and agency securities declined sharply in this environment
during 1999, prices of higher yielding securities -- such as corporate bonds and
mortgage-backed  securities  --  fell less severely. In an environment of robust
economic  growth,  investors  appeared  more  comfortable  owning bonds that are
influenced  primarily  by credit risk, and they avoided securities that are most
affected by interest-rate risk.

We  appreciate  your  confidence over the past year, and we look forward to your
continued   participation   in   Dreyfus   U.S.   Treasury   Short  Term  Fund.

Sincerely,


Stephen E. Canter
President and Chief Investment Officer
The Dreyfus Corporation
January 14, 2000




DISCUSSION OF FUND PERFORMANCE

Gerald Thunelius, Portfolio Manager Dreyfus Taxable Fixed Income Team

How did Dreyfus U.S. Treasury Short Term Fund  perform relative to its
benchmark?

For  the  12-month  period  ended December 31, 1999, Dreyfus U.S. Treasury Short
Term  Fund  produced  a  total  return  of  1.39% .(1)  In  contrast, the fund's
benchmark,  the Merrill Lynch Governments, U.S. Treasury, Short-Term (1-3 Years)
Index,  provided  a 3.06% total return.(2) The fund's income dividends paid from
net  investment  income  during the period amounted to approximately $0.8202 per
share, representing a distribution rate per share of 5.79%.(3)

We attribute the fund's modest absolute performance to rising interest rates and
a   highly  volatile  bond  market,  in  which  the  U.S.  Treasury  sector  was
particularly  hard-hit. We attribute the fund's relative underperformance to the
benchmark' s AVERAGE WEIGHTED MATURITY -- a measure of the fund's sensitivity to
changing  interest rates -- which was shorter than the average weighted maturity
for  the  fund.  A shorter average weighted maturity generally helps bond market
performance when interest rates are rising.

What is the fund's investment approach?

As a U.S. Treasury fund, our goal is to provide shareholders with current income
through an investment vehicle that is composed primarily of U.S. Treasury bills,
notes  and  other  securities that are issued or guaranteed by the United States
government,  its  agencies  or  instrumentalities.  The fund may also enter into
repurchase   agreements  with  securities  dealers  that  are  backed  by  U.S.
Treasuries.

Because U.S. Treasury bills and notes are backed by the full faith and credit of
the  U.S.  government,  they  are  considered  to  rank among the highest credit
quality investments available. By investing in these obligations, the fund seeks
to  maintain  a high degree of safety. Of course, the market value of the fund's
securities and the value of fund shares
                                                                        The Fund


DISCUSSION OF FUND PERFORMANCE (CONTINUED)

are  not  insured  or  guaranteed  by  the  U.S.  government. The fund generally
maintains  an  average  dollar-weighted maturity of between two and three years

What other factors influenced the fund's performance?

Like  virtually  all  fixed-income  investments,  U.S.  Treasury securities were
adversely affected by rising interest rates throughout the year.

Soon  after  the  reporting  period  began,  it  became  apparent  that overseas
economies  were  beginning  to  recover from 1998's global financial crisis, and
that the growth of the U.S. economy was stronger than most analysts expected. In
this  environment, investors began to move away from U.S. Treasury securities to
which  they had previously fled during the worst of the global financial crisis.
They  moved instead into higher yielding, riskier assets. This caused the prices
of  U.S.  Treasury  securities  to  fall  from relatively high levels, while the
prices   of   corporate   bonds,  mortgage-backed  securities  and  asset-backed
securities rallied.

In the second through fourth quarters of 1999, economic strength in domestic and
overseas   markets  raised  concerns  among  U.S.  fixed-income  investors  that
inflationary  pressures  might re-emerge. In response, the Federal Reserve Board
increased  short-term  interest  rates three times during the summer and fall of
1999  in an attempt to forestall a reacceleration of inflation. These changes in
monetary  policy  caused  the  prices  of  most  bonds,  including U.S. Treasury
securities, to fall.

U.S.  Treasury  securities generally fell more severely than prices of corporate
bonds  and other higher yielding fixed-income investments during the second half
of  the year. That's primarily because corporate bonds tend to be more sensitive
to  the  credit  quality  of their issuers, which generally improves in a strong
economy,   and  are  less  sensitive  to  interest-rate  trends;  U.S.  Treasury
securities are more sensitive to interest-rate changes.

What is the fund's current strategy?

     Our current  strategy is an extension of the strategy we have  attempted to
follow for much of 1999,  which is  intended  to earn as much yield as  possible
from our holdings,  while  positioning  the fund to respond  favorably when more
favorable  economic  and market  conditions  arrive.  Toward  that end,  we have
increased the fund's exposure to off-the-run ("OTR") Treasuries,  which are U.S.
Treasury  securities that were issued prior to the most recent auction  process.
The benefit of owning OTR  Treasuries is that they tend to produce higher yields
because they are often considered less liquid than recent issues. Although these
holdings  hindered  the fund's  returns as interest  rates rose in 1999,  we are
hopeful  that they will rally more  strongly  than other types of U.S.  Treasury
securities if and when the bond market experiences a positive recovery.

While  in  our  view no one can predict the timing for a bond market recovery or
lower  interest  rates, we believe that current financial conditions may be ripe
for  such a recovery. Most important, we believe that the federal budget surplus
may  cause  the  U.S.  Treasury to buy back some of its outstanding debt. If the
government  buys back older, higher yielding securities first, as we would like,
the fund's OTR Treasury holdings should benefit accordingly.

January 14, 2000

     (1)  TOTAL RETURN INCLUDES  REINVESTMENT OF DIVIDENDS AND ANY CAPITAL GAINS
          PAID. PAST PERFORMANCE IS NO GUARANTEE OF FUTURE RESULTS. SHARE PRICE,
          YIELD AND INVESTMENT RETURN FLUCTUATE SUCH THAT UPON REDEMPTION,  FUND
          SHARES MAY BE WORTH MORE OR LESS THAN THEIR ORIGINAL COST. PERFORMANCE
          FIGURES  PROVIDED  REFLECT  THE  ABSORPTION  OF FUND  EXPENSES  BY THE
          DREYFUS  CORPORATION  PURSUANT TO AN UNDERTAKING IN EFFECT THAT MAY BE
          EXTENDED,  TERMINATED OR MODIFIED AT ANY TIME.  HAD THESE EXPENSES NOT
          BEEN ABSORBED, THE FUND'S PERFORMANCE WOULD HAVE BEEN LOWER.

     (2)  SOURCE:  BLOOMBERG  L.P.  --  THE  MERRILL  LYNCH  GOVERNMENTS,   U.S.
          TREASURY,  SHORT-TERM  (1-3 YEARS) INDEX IS AN  UNMANAGED  PERFORMANCE
          BENCHMARK  FOR TREASURY  SECURITIES  WITH  MATURITIES OF 1-2.99 YEARS;
          ISSUES IN THE INDEX MUST HAVE PAR AMOUNTS  OUTSTANDING GREATER THAN OR
          EQUAL TO $1 BILLION.

     (3)  DISTRIBUTION  RATE PER SHARE IS BASED  UPON  DIVIDENDS  PER SHARE PAID
          FROM NET INVESTMENT INCOME DURING THE PERIOD, DIVIDED BY THE NET ASSET
          VALUE PER SHARE AT THE END OF THE PERIOD.

                                                             The Fund

FUND PERFORMANCE

Comparison of change in value of $10,000 investment in Dreyfus U.S. Treasury
Short Term Fund and the Merrill Lynch Governments, U.S. Treasury, Short-Term
(1-3 Years) Index
- --------------------------------------------------------------------------------

Average Annual Total Returns AS OF 12/31/99

<TABLE>



                                                                               1 Year             5 Years          10 Years
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                                                             <C>                <C>                <C>

FUND                                                                            1.39%              5.77%             6.13%
</TABLE>


(+)  SOURCE: BLOOMBERG L.P.

PAST PERFORMANCE IS NOT PREDICTIVE OF FUTURE PERFORMANCE.

THE ABOVE GRAPH COMPARES A $10,000 INVESTMENT MADE IN DREYFUS U.S. TREASURY
SHORT TERM FUND ON 12/31/89 TO A $10,000 INVESTMENT MADE IN THE MERRILL LYNCH
GOVERNMENTS, U.S. TREASURY, SHORT-TERM (1-3 YEARS) INDEX ON THAT DATE. ALL
DIVIDENDS AND CAPITAL GAIN DISTRIBUTIONS ARE REINVESTED.

THE FUND INVESTS AT LEAST 65% OF ITS NET ASSETS IN U.S. TREASURY SECURITIES. THE
FUND'S PORTFOLIO WILL, UNDER NORMAL MARKET CONDITIONS, HAVE A DOLLAR-WEIGHTED
AVERAGE MATURITY RANGING BETWEEN TWO AND THREE YEARS. THE FUND'S PERFORMANCE
SHOWN IN THE LINE GRAPH TAKES INTO ACCOUNT FEES AND EXPENSES. UNLIKE THE FUND,
THE MERRILL LYNCH GOVERNMENTS, U.S. TREASURY, SHORT-TERM (1-3 YEARS) INDEX IS AN
UNMANAGED PERFORMANCE BENCHMARK FOR TREASURY SECURITIES WITH MATURITIES OF
1-2.99 YEARS; ISSUES IN THE INDEX MUST HAVE PAR AMOUNTS OUTSTANDING GREATER THAN
OR EQUAL TO $1 BILLION. THE INDEX DOES NOT TAKE INTO ACCOUNT CHARGES, FEES AND
OTHER EXPENSES. FURTHER INFORMATION RELATING TO FUND PERFORMANCE, INCLUDING
EXPENSE REIMBURSEMENTS, IF APPLICABLE, IS CONTAINED IN THE FINANCIAL HIGHLIGHTS
SECTION OF THE PROSPECTUS AND ELSEWHERE IN THIS REPORT.




STATEMENT OF INVESTMENTS

December 31, 1999

<TABLE>

                                                                                               Principal
BONDS AND NOTES--102.3%                                                                       Amount ($)              Value ($)
- -----------------------------------------------------------------------------------------------------------------------------------
<S>                                                                                            <C>                     <C>

U.S. GOVERNMENT AGENCY--27.9%

Federal Home Loan Banks,

   Medium-Term Notes, 5.86%, 4/28/2003                                                       10,000,000                9,741,300

Federal Home Loan Mortgage,

   Medium-Term Notes, 5.5%, 5/15/2002                                                         7,000,000                6,831,307

Federal National Mortgage Association:

   Medium-Term Notes, 6.25%, 11/15/2002                                                      10,000,000                9,897,300

   Medium-Term Notes, 6.94%, 9/5/2007                                                         5,000,000                4,809,300

Tennessee Valley Authority,

  Valley Indexed Principal Securities,

   3.375%, 1/15/2007                                                                         13,303,000  (a)          12,883,184

U.S. Government Gtd. Development,

  Participation Ctfs.

  (Gtd. By U.S. Small Business Administration):

      Ser. 1998-20, Cl. E, 6.3%, 5/1/2018                                                       175,140                  164,447

      Ser. 1998-20, Cl. J, 5.5%, 10/1/2018                                                      229,634                  204,293

      Ser. 1998-20, Cl. L, 5.8%, 12/1/2018                                                    1,434,977                1,300,204

                                                                                                                      45,831,335

U.S. TREASURY BONDS--19.3%

   11.75%, 2/15/2001                                                                          5,000,000                5,303,700

   12.375%, 5/15/2004                                                                        16,500,000               20,109,210

   13.125%, 5/15/2001                                                                         5,850,000                6,373,867

                                                                                                                      31,786,777

U.S. TREASURY INFLATION PROTECTION SECURITIES--3.2%

   3.625%, 7/15/2002                                                                          5,000,000  (a)           5,199,650

U.S. TREASURY NOTES--51.9%

   5.5%, 8/31/2001                                                                           30,000,000               29,657,400

   5.625%, 9/30/2001                                                                         30,000,000               29,711,400

   5.875%, 10/31/2001                                                                         6,000,000                5,963,160

   6.125%, 12/31/2001                                                                        15,000,000               14,967,900

   8.5%, 11/15/2000                                                                           5,000,000                5,099,850

                                                                                                                      85,399,710

TOTAL BONDS AND NOTES

   (cost $172,251,925)                                                                                               168,217,472

                                                                                                     The Fund

STATEMENT OF INVESTMENTS (CONTINUED)
                                                                                              Principal
SHORT-TERM INVESTMENTS--.6%                                                                  Amount ($)                Value ($)
- ------------------------------------------------------------------------------------------------------------------------------------

U.S. TREASURY BILLS:

   4.23%, 1/13/2000                                                                             790,000                  788,981

   4.96%, 3/30/2000                                                                             280,000                  276,508

TOTAL SHORT-TERM INVESTMENTS

   (cost $1,065,453)                                                                                                   1,065,489
- ------------------------------------------------------------------------------------------------------------------------------------

TOTAL INVESTMENTS (cost $173,317,378)                                                            102.9%              169,282,961

LIABILITIES, LESS CASH AND RECEIVABLES                                                            (2.9%)              (4,818,211)

NET ASSETS                                                                                       100.0%              164,464,750

     (A)  PRINCIPAL AMOUNT FOR ACCRUAL  PURPOSES IS PERIODICALLY  ADJUSTED BASED
          ON CHANGES TO THE CONSUMER PRICE INDEX.
</TABLE>

SEE NOTES TO FINANCIAL STATEMENTS.


STATEMENT OF ASSETS AND LIABILITIES

December 31, 1999

                                                             Cost        Value
- --------------------------------------------------------------------------------

ASSETS ($):

Investments in securities--See Statement of
Investments                                           173,317,378   169,282,961

Cash                                                                  1,316,081

Interest receivable                                                   2,370,151

Prepaid expenses and other assets                                        13,937

                                                                     72,983,130
- --------------------------------------------------------------------------------

LIABILITIES ($):

Due to The Dreyfus Corporation and affiliates                            93,308

Payable for investment securities purchased                           6,991,502

Payable for shares of Beneficial Interest redeemed                    1,329,640

Accrued expenses                                                        103,930

                                                                      8,518,380
- --------------------------------------------------------------------------------

NET ASSETS ($)                                                      164,464,750
- --------------------------------------------------------------------------------

COMPOSITION OF NET ASSETS ($):

Paid-in capital                                                     188,587,531

Accumulated net realized gain (loss) on investments                 (20,088,364)

Accumulated net unrealized appreciation (depreciation)
   on investments--Note 4                                            (4,034,417)
- --------------------------------------------------------------------------------

NET ASSETS ($)                                                      164,464,750
- --------------------------------------------------------------------------------

SHARES OUTSTANDING

(unlimited number of $.001 par value shares of Beneficial Interest authorized)
11,617,149

NET ASSET VALUE, offering and redemption price per share ($)             14.16

SEE NOTES TO FINANCIAL STATEMENTS.

                                                             The Fund

STATEMENT OF OPERATIONS

Year Ended December 31, 1999

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

INVESTMENT INCOME ($):

INTEREST INCOME                                                     11,232,892

EXPENSES:

Management fee--Note 3(a)                                            1,039,985

Shareholder servicing costs--Note 3(b)                                 413,794

Professional fees                                                       45,330

Trustees' fees and expenses--Note 3(c)                                  36,967

Registration fees                                                       24,813

Custodian fees--Note 3(b)                                               20,028

Prospectus and shareholders' reports                                    14,316

Miscellaneous                                                            5,284

TOTAL EXPENSES                                                       1,600,517

Less--reduction in management fee due to undertaking--Note 3(a)       (213,870)

NET EXPENSES                                                         1,386,647

INVESTMENT INCOME--NET                                               9,846,245
- --------------------------------------------------------------------------------

REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS--NOTE 4 ($):

Net realized gain (loss) on investments                             (4,633,209)

Net unrealized appreciation (depreciation) on investments           (2,850,088)

NET REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS              (7,483,297)

NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS                 2,362,948

SEE NOTES TO FINANCIAL STATEMENTS.


STATEMENT OF CHANGES IN NET ASSETS

                                                     Year Ended December 31,
                                                --------------------------------
                                                     1999                 1998
- --------------------------------------------------------------------------------

OPERATIONS ($):

Investment income--net                          9,846,245           11,139,837

Net realized gain (loss) on investments        (4,633,209)            832,747

Net unrealized appreciation (depreciation)
   on investments                              (2,850,088)           (808,441)

NET INCREASE (DECREASE) IN NET ASSETS
   RESULTING FROM OPERATIONS                    2,362,948          11,164,143
- --------------------------------------------------------------------------------

DIVIDENDS TO SHAREHOLDERS FROM ($):

INVESTMENT INCOME--NET                         (9,846,245)        (11,139,837)
- --------------------------------------------------------------------------------

BENEFICIAL INTEREST TRANSACTIONS ($):

Net proceeds from shares sold                  46,404,112           62,426,365

Dividends reinvested                            8,093,872            8,943,065

Cost of shares redeemed                       (68,458,107)         (80,883,327)

INCREASE (DECREASE) IN NET ASSETS FROM
   BENEFICIAL INTEREST TRANSACTIONS           (13,960,123)          (9,513,897)

TOTAL INCREASE (DECREASE) IN NET ASSETS       (21,443,420)          (9,489,591)
- --------------------------------------------------------------------------------


NET ASSETS ($):

Beginning of Period                           185,908,170          195,397,761

END OF PERIOD                                 164,464,750          185,908,170
- --------------------------------------------------------------------------------

CAPITAL SHARE TRANSACTIONS (SHARES):

Shares sold                                     3,205,363            4,201,259

Shares issued for dividends reinvested            560,525              604,417

Shares redeemed                                (4,724,607)          (5,463,061)

NET INCREASE (DECREASE) IN SHARES OUTSTANDING    (958,719)            (657,385)

SEE NOTES TO FINANCIAL STATEMENTS.

                                                             The Fund

FINANCIAL HIGHLIGHTS

The  following table describes the performance for the fiscal periods indicated.
Total  return  shows  how  much your investment in the fund would have increased
(or decreased) during each period, assuming you had reinvested all dividends and
distributions.  These  figures  have  been  derived  from  the  fund's financial
statements.

<TABLE>

                                                                                  Year Ended December 31,
                                                                      --------------------------------------------
                                                                 1999          1998      1997        1996        1995
- -----------------------------------------------------------------------------------------------------------------------------
<S>                                                             <C>            <C>       <C>        <C>         <C>

PER SHARE DATA ($):

Net asset value, beginning of period                            14.78         14.77     14.82       15.14       14.55

Investment Operations:

Investment income--net                                            .82          .87        .93         .90        1.03

Net realized and unrealized
   gain (loss) on investments                                    (.62)         .01       (.05)       (.32)        .59

Total from Investment Operations                                  .20          .88        .88         .58        1.62

Distributions:

Dividends from investment income--net                            (.82)        (.87)      (.93)       (.90)      (1.03)

Net asset value, end of period                                  14.16        14.78      14.77       14.82       15.14
- -----------------------------------------------------------------------------------------------------------------------------

TOTAL RETURN (%)                                                 1.39         6.14       6.12        4.07       11.38
- -----------------------------------------------------------------------------------------------------------------------------

RATIOS/SUPPLEMENTAL DATA (%):

Ratio of expenses to average net assets                           .80          .79        .70         .70         .65

Ratio of net investment income
   to average net assets                                         5.68         5.91       6.29        6.04        6.90

Decrease reflected in above expense ratios
   due to undertakings by
   The Dreyfus Corporation                                        .12         .14         .31         .27         .29

Portfolio Turnover Rate                                      1,007.65      773.31      563.77      539.38      480.44
- -----------------------------------------------------------------------------------------------------------------------------

Net Assets, end of period ($ x 1,000)                         164,465     185,908     195,398     187,826     188,726
</TABLE>

SEE NOTES TO FINANCIAL STATEMENTS.


NOTES TO FINANCIAL STATEMENTS

NOTE 1--Significant Accounting Policies:

Dreyfus  U.S.  Treasury  Short  Term  Fund  (the "fund") is registered under the
Investment  Company  Act  of  1940,  as  amended  (the  "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. The Dreyfus Corporation (the "Manager") serves as
the  fund' s  investment  adviser.  The Manager is a direct subsidiary of Mellon
Bank,  N.A.  (" Mellon"), which is a wholly-owned subsidiary of Mellon Financial
Corporation. Premier Mutual Fund Services, Inc. is the distributor of the fund's
shares,   which   are   sold   to   the   public   without   a   sales  charge.

The  fund' s  financial  statements  are  prepared  in accordance with generally
accepted accounting principles which may require the use of management estimates
and assumptions. Actual results could differ from those estimates.

(a)   Portfolio  valuation:  Investments  in  securities  (excluding  short-term
investments  other  than U.S. Treasury Bills) are valued each business day by an
independent  pricing  service  (" Service" ) approved  by the Board of Trustees.
Investments   for  which  quoted  bid  prices  are  readily  available  and  are
representative  of the bid side of the market in the judgment of the Service are
valued  at  the  mean  between the quoted bid prices (as obtained by the Service
from  dealers in such securities) and asked prices (as calculated by the Service
based  upon its evaluation of the market for such securities). Other investments
(which  constitute  a  majority of the portfolio securities) are carried at fair
value as determined by the Service, based on methods which include consideration
of:  yields  or prices of securities of comparable quality, coupon, maturity and
type;  indications  as  to  values  from dealers; and general market conditions.
Short-term  investments, excluding U.S. Treasury Bills, are carried at amortized
cost, which approximates value.

(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.
                                                                       The  Fund

NOTES TO FINANCIAL STATEMENTS (CONTINUED)

Interest  income,  including,  where  applicable,  amortization  of  discount on
investments,  is recognized on the accrual basis. Under the terms of the custody
agreement,  the  fund  received net earnings credits of $6,109 during the period
ended  December  31,  1999,  based  on  available cash balances left on deposit.
Income earned under this arrangement is included in interest income.

(c) Dividends to shareholders: It is the policy of the fund to declare dividends
daily  from  investment  income-net.  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 of 1986 as amended, (the
" 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 Code,
and  to  make  distributions  of  taxable  income  sufficient to relieve it from
substantially all Federal income and excise taxes.

The  fund  has  an  unused  capital  loss carryover of approximately $19,441,000
available  for  Federal  income  tax  purposes  to be applied against future net
securities  profits,  if  any,  realized  subsequent  to December 31, 1999. This
amount  is  calculated  based on Federal income tax regulations which may differ
from  financial  reporting  in  accordance  with  generally  accepted accounting
principles.  If not applied, $9,564,000 of the carryover expires in fiscal 2002,
$2,004,000  expires  in fiscal 2003, $2,702,000 expires in fiscal 2004, $717,000
expires in fiscal 2005 and $4,454,000 expires in fiscal 2007.

NOTE 2--Bank Line of Credit:

     The fund  participates with other  Dreyfus-managed  funds in a $100 million
unsecured  line of credit  primarily to be utilized  for  temporary or emergency
purposes,  including  the financing of  redemptions.  Interest is charged to the
fund at rates which are related to the Federal  Funds rate in effect at the time
of borrowing. During the period ended December 31, 1999, the fund did not borrow
under the line of credit.

NOTE 3--Management Fee and Other Transactions  with Affiliates:

(a)  Pursuant  to a management agreement with the Manager, the management fee is
computed  at  the  annual  rate  of .60 of 1% of the value of the fund's average
daily net assets and is payable monthly. The Manager had undertaken from January
1, 1999 through December 31, 1999 to reduce the management fee paid by the fund,
to  the  extent  that  the fund's aggregate annual expenses, exclusive of taxes,
brokerage, interest on borrowings and extraordinary expenses, exceeded an annual
rate  of  .80  of  1%  of  the value of the fund's average daily net assets. The
reduction  in  management fee, pursuant to the undertaking, amounted to $213,870
during the period ended December 31, 1999.

(b)  Under  the  Shareholder  Services Plan, the fund reimburses Dreyfus Service
Corporation,  a  wholly-owned subsidiary of the Manager, an amount not to exceed
an  annual rate of .25 of 1% of the value of the fund's average daily net assets
for certain allocated expenses of providing personal services and/or maintaining
shareholder  accounts.  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. During the period ended
December  31,  1999,  the  fund was charged $240,405 pursuant to the Shareholder
Services Plan.

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. During the period
ended  December  31, 1999, the fund was charged $76,083 pursuant to the transfer
agency agreement.

                                                             The Fund

NOTES TO FINANCIAL STATEMENTS (CONTINUED)

The  fund  compensates  Mellon under a custody agreement for providing custodial
services  for  the fund. During the period ended December 31, 1999, the fund was
charged $20,028 pursuant to the custody agreement.

(c)  Each  trustee  who  is  not  an  "affiliated  person" as defined in the Act
receives from the fund an annual fee of $2,500 and an attendance fee of $250 per
meeting.  The  Chairman  of  the  Board  receives  an  additional  25%  of  such
compensation and the Trustee Emeritus receives 50% of such compensation.

NOTE 4--Securities Transactions:

The  aggregate  amount of purchases and sales (including paydowns) of investment
securities,  excluding  short-term  securities, during the period ended December
31, 1999, amounted to $1,465,464,533 and $1,447,987,348, respectively.

At December 31, 1999, accumulated net unrealized depreciation on investments was
$4,034,417,  consisting  of  $4,373 gross unrealized appreciation and $4,038,790
gross unrealized depreciation.

At  December  31,  1999, 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).


REPORT OF INDEPENDENT AUDITORS

Shareholders and Board of Trustees

Dreyfus U.S. Treasury Short Term Fund

We  have audited the accompanying statement of assets and liabilities of Dreyfus
U.S.  Treasury  Short  Term  Fund, including the statement of investments, as of
December  31,  1999,  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 auditing standards generally accepted
in the United States. 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  and  financial  highlights.  Our procedures included
verification  by  examination of securities held by the custodian as of December
31,   1999  and  confirmation  of  securities  not  held  by  the  custodian  by
correspondence  with  others.  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  U.S.  Treasury Short Term Fund at December 31, 1999, 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 accounting principles generally accepted
in the United States.


New York, New York

February 4, 2000

                                                             The Fund


IMPORTANT TAX INFORMATION (Unaudited)

For  State  individual income tax purposes, the fund hereby designates 85.39% of
the  ordinary  income  dividends  paid during the fiscal year ended December 31,
1999  as  attributable  to interest income from direct obligations of the United
States.  Such dividends are currently exempt from taxation for individual income
tax  purposes in most states, including New York, California and the District of
Columbia.


NOTES

                        For More Information

                        Dreyfus U.S. Treasury Short Term Fund
                        200 Park Avenue
                        New York, NY 10166

                        Manager

                        The Dreyfus Corporation
                        200 Park Avenue
                        New York, NY 10166

Custodian

Mellon Bank, N.A.
One Mellon Bank Center
Pittsburgh, PA 15258

Transfer Agent &
Dividend Disbursing Agent

Dreyfus Transfer, Inc.
P.O. Box 9671
Providence, RI 02940

Distributor

Premier Mutual Fund Services, Inc.
60 State Street
Boston, MA 02109

To obtain information:

BY TELEPHONE
Call 1-800-645-6561

BY MAIL  Write to:
The Dreyfus Family of Funds
144 Glenn Curtiss Boulevard
Uniondale, NY 11556-0144

BY E-MAIL  Send your request
to [email protected]

ON THE INTERNET  Information can be viewed online or downloaded from:

http://www.dreyfus.com

(c) 2000 Dreyfus Service Corporation                                  081AR9912





COMPARISON OF CHANGE IN VALUE OF $10,000 INVESTMENT
IN DREYFUS U.S. TREASURY SHORT TERM FUND AND THE
MERRILL LYNCH GOVERNMENTS, U.S. TREASURY, SHORT-TERM
(1-3 YEARS) INDEX

EXHIBIT A:

                  MERRILL LYNCH
                GOVERNMENTS, U.S.
                    TREASURY,             DREYFUS
                    SHORT-TERM         U.S. TREASURY
 PERIOD            (1-3 YEARS)           SHORT TERM
                      INDEX*                FUND

12/31/89                10,000            10,000
12/31/90                10,973            10,624
12/31/91                12,254            11,997
12/31/92                13,026            12,838
12/31/93                13,731            13,740
12/31/94                13,809            13,694
12/31/95                15,328            15,253
12/31/96                16,091            15,873
12/31/97                17,162            16,845
12/31/98                18,363            17,879
12/31/99                18,925            18,128


*Source: Bloomberg L.P.



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