DREYFUS PENNSYLVANIA MUNICIPAL MONEY MARKET FUND
N-30D, 2000-11-28
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Dreyfus Pennsylvania

Municipal Money Market Fund

ANNUAL REPORT September 30, 2000

(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




                                 Contents

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

                             2   Letter from the President

                             3   Discussion of Fund Performance

                             6   Statement of Investments

                            10   Statement of Assets and Liabilities

                            11   Statement of Operations

                            12   Statement of Changes in Net Assets

                            13   Financial Highlights

                            14   Notes to Financial Statements

                            17   Report of Independent Auditors

                            18   Important Tax Information

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

                                 Back Cover

                                                                       The Fund

                                                           Dreyfus Pennsylvania

                                                    Municipal Money Market Fund

LETTER FROM THE PRESIDENT

Dear Shareholder:

We  are pleased to present this annual report for Dreyfus Pennsylvania Municipal
Money  Market  Fund,  covering  the 12-month period from October 1, 1999 through
September  30, 2000. Inside, you'll find valuable information about how the fund
was  managed during the reporting period, including a discussion with the fund's
portfolio manager, Scott Sprauer.

Yields  on  tax-exempt money market instruments rose in general over the past 12
months because of supply-and-demand influences that are unique to the tax-exempt
markets.  However, yields of tax-exempt money market instruments did not rise as
much  as their taxable counterparts. Amid signs that its previous rate hikes had
begun  to  slow  the  economy,  the Federal Reserve Board refrained from raising
rates  further  at its meetings in June and August. Other factors such as higher
energy prices and a weak euro also served to slow economic growth.

In general, the overall investment environment that prevailed in the second half
of  the  1990s  had provided returns well above long-term averages, establishing
unrealistic expectations for some investors. In our opinion, as the risks of the
stock  market have become more apparent due to recent volatility, the safety and
tax-free  income  potential  of  tax-exempt  money market funds can make them an
attractive investment as part of a well-balanced portfolio.

For  more  information about the economy and financial markets, we encourage you
to  visit  the Market Commentary section of our web site at www.dreyfus.com. Or,
to   speak   with   a  Dreyfus  customer  service  representative,  call  us  at
1-800-782-6620.

Thank you for investing in Dreyfus Pennsylvania Municipal Money Market Fund.

Sincerely,

/s/Stephen E. Canter
Stephen E. Canter

President and Chief Investment Officer

The Dreyfus Corporation

October 16, 2000




DISCUSSION OF FUND PERFORMANCE

Scott Sprauer, Portfolio Manager

How did Dreyfus Pennsylvania Municipal Money Market Fund perform during the
period?

For  the  12-month  period  ended  September  30,  2000,  the  fund  produced an
annualized  tax-exempt  yield  of  3.26% . Taking  into  account  the effects of
compounding,  the  fund  provided  an  annualized effective yield of 3.31%.(1) A
continuing  decline in the volume of new short-term securities from Pennsylvania
issuers constrained the rise of tax-exempt money market yields relative to their
taxable counterparts during the reporting period.

What is the fund's investment approach?

The  fund  seeks  high  current federal and Pennsylvania state tax-exempt income
while  looking  to  maintain  a stable $1.00 share price. We are vigilant in our
efforts    to    preserve    capital.

In  pursuing  the  fund's investment approach, we employ two primary strategies.
First,  we  attempt  to  add  value  by constructing a diverse portfolio of high
quality,  tax-exempt  money  market  instruments  from  Pennsylvania  tax-exempt
issuers.  Second, we actively manage the fund's average maturity in anticipation
of  what  we  believe  are interest-rate trends and supply-and-demand changes in
Pennsylvania's short-term municipal marketplace.

For  example, if we expect an increase in short-term supply, we may decrease the
average  maturity  of the fund, which would enable us to purchase new securities
with  then  current higher yields. Yields tend to rise when there is an increase
in  new-issue  supply  competing  for  investor  interest.  New  securities  are
generally  issued with maturities in the one-year range, which will lengthen the
fund' s  average  maturity.  If  we  anticipate limited new-issue supply, we may
extend  the  fund' s  average maturity to maintain current yields for as long as
prac    The    Fund


DISCUSSION OF FUND PERFORMANCE (CONTINUED)

tical.  At other times, we try to maintain an average maturity that reflects our
view   of   short-term   interest-rate   trends   and  future  supply-and-demand
considerations.

What other factors influenced the fund's performance?

The  fund was positively influenced over the past year by rising interest rates.
When  the  reporting period began on October 1, 1999, the U.S. economy continued
to  grow  strongly,  raising  concerns  that long-dormant inflationary pressures
might  reemerge.  In  response,  the  Federal  Reserve  Board (the "Fed") raised
short-term interest rates at its November, February, March and May meetings, for
a  total  of  1.25  percentage points. However, tax-exempt yields later declined
modestly  when the Fed did not change interest rates at subsequent meetings. The
Fed  held  monetary  policy steady because of signs that its previous rate hikes
were  having  the  desired  effect of slowing the economy. Fewer housing starts,
moderating  growth and little change in the core inflation rate may suggest that
the Fed's rate hikes could be at or near an end.

In  this environment, we generally maintained a longer average maturity than our
peer  group.  When  it  appeared likely in the summer that yields might fall, we
increased  our  holdings of fixed-rate commercial paper and reduced our holdings
of  variable  rate  demand  notes (VRDNs), which feature floating rates that are
reset daily or weekly. This change was designed to lock in prevailing yields for
as long as practical.

What is the fund's current strategy?

In  our  view,  yields  may  decline  further  if  the current economic slowdown
continues.  Accordingly,  we  have  maintained  the fund's average maturity at a
point  that is longer than the average for our peer group. However, it is likely
that  we will allow the fund's average maturity to decline naturally as holdings
mature  over the next several months. In our opinion, this strategy should allow
us  to  make  more  funds available for new investments in the fourth quarter of
2000,    when    we

expect  yields  to rise temporarily in response to year-end pressures. If yields
should rise, we would consider re-extending the fund's average maturity in order
to  lock in higher rates. Of course, markets, strategy and portfolio composition
can change at any time.

October 16, 2000

(1)  ANNUALIZED EFFECTIVE YIELD IS BASED UPON DIVIDENDS DECLARED DAILY AND
REINVESTED MONTHLY. PAST PERFORMANCE IS NO GUARANTEE OF FUTURE RESULTS. YIELDS
FLUCTUATE. INCOME MAY BE SUBJECT TO STATE AND LOCAL TAXES FOR NON-PENNSYLVANIA
RESIDENTS, AND SOME INCOME MAY BE SUBJECT TO THE FEDERAL ALTERNATIVE MINIMUM TAX
(AMT) FOR CERTAIN INVESTORS. AN INVESTMENT IN THE FUND IS NOT INSURED OR
GUARANTEED BY THE FDIC OR THE U.S. GOVERNMENT. ALTHOUGH THE FUND SEEKS TO
PRESERVE THE VALUE OF YOUR INVESTMENT AT $1.00 PER SHARE, IT IS POSSIBLE TO LOSE
MONEY BY INVESTING IN THE FUND.

                                                             The Fund

September 30, 2000

STATEMENT OF INVESTMENTS
<TABLE>
<CAPTION>


STATEMENT OF INVESTMENTS

                                                                                               Principal

TAX EXEMPT INVESTMENTS--101.6%                                                                Amount ($)              Value ($)
------------------------------------------------------------------------------------------------------------------------------------

Allegheny County Hospital Development Authority, HR

  (South Hills Health System) 4.30%, 4/1/2001

<S>                                                                                           <C>                      <C>
   (LOC; PNC Bank of Ohio)                                                                    2,000,000                1,999,025

Allegheny County Industrial Development Authority

  PCR, Refunding, VRDN (Duquesne)

  5.50%, Series A (Insured; AMBAC and LOC;

   The Bank of New York)                                                                      5,000,000  (a)           5,000,000

Berks County, Revenue, Prerefunded

  7.25%, 11/15/2000

   (Escrowed in; U.S. Government Securities)                                                  1,000,000                1,023,433

Bucks County Industrial Development Authority, IDR

  VRDN (Oxford Falls Project)

   4.19% (LOC; Household Finance Corp.)                                                         900,000  (a)             900,000

Butler County Industrial Development Authority

  Industrial Revenue (Concordia Lutheran)

  5%, Series C, 10/1/2001

   (LOC; Asset Guaranty and Fleet Bank)                                                       2,335,000                2,347,656

Chartiers Valley Industrial and Commercial Development

  Authority, Revenues, Refunding, VRDN (Asbury Place)

   5.50%, Series A (LOC; Lasalle National Bank)                                               2,000,000  (a)           2,000,000

Coatesville Authority, Sewer Revenue, Refunding

   3.40%, 10/15/2000 (Insured; FGIC)                                                            195,000                  194,923

Dauphin County General Authority, Revenues, VRDN

  Allied Health Pooled Financing Program

   5.65%, Series B (Insured; FSA and LOC; Credit Suisse)                                      7,000,000  (a)           7,000,000

Delaware County Industrial Development Authority, IDR

  CP (Philadelphia Electric Co.) 4.20%, 12/7/2000

   (Insured; FGIC and Liquidity Facility; FGIC)                                               4,000,000                4,000,000

East Hampfield Industrial Development Authority

  Revenues, VRDN (Menomite Home Project)

   5.60% (LOC; Northern Trust Co.)                                                            3,000,000  (a)           3,000,000

East Stroudsburg Area School District, Refunding

   GO Notes 4%, Series AA, 11/15/2000 (Insured; FGIC)                                         1,180,000                1,179,638

Emmaus General Authority, Revenue, VRDN:

  (East Stroudsburg) 5.65%, Series B-18

      (LOC; Bayerische Landesbank)                                                            1,300,000  (a)           1,300,000

   (Northampton Area School District)

      5.65%, Series D-18 (LOC; Kredietbank)                                                   1,200,000  (a)           1,200,000

Erie County, Prerefunded 6.60%, Series A, 9/1/2001

   (Escrowed in; U.S. Government Securities)                                                  1,000,000                1,020,414

Glendale School District, Refunding, GO Notes

   3.40%, 4/15/2001 (Insured; MBIA)                                                             340,000                  337,010



                                                                                               Principal

TAX EXEMPT INVESTMENTS (CONTINUED)                                                            Amount ($)                Value ($)
------------------------------------------------------------------------------------------------------------------------------------

Hermitage Municipal Authority, Sewer Revenue

   Refunding 3.75%, 2/1/2001(Insured; MBIA)                                                     300,000                  299,265

Indiana County Industrial Development Authority, PCR

  VRDN (Conemaugh Project)

   5.65%, Series A (LOC; Union Bank of Switzerland)                                           3,000,000  (a)           3,000,000

Lancaster County, Revenue, VRDN

   5.60% (Insured; FGIC and Liquidity Facility; FGIC)                                         3,000,000  (a)           3,000,000

Lancaster County Hospital Authority, VRDN:

  Health Center Revenue (Quarryville Presbyterian)

      5.75% (LOC; Allfirst Bank)                                                              2,000,000  (a)           2,000,000

   Senior Living Facilities Revenue (Willow Valley Lakes)

      5.60%, Series B (Insured; MBIA and LOC; PNC Bank)                                       2,050,000  (a)           2,050,000

Lehigh County Industrial Development Authority, VRDN:

  Industrial and Commercial Development Revenue

    (Radnor/Lehigh Corp. Project)

      5.625% (LOC; Dresdner Bank)                                                             7,795,000  (a)           7,795,000

   PCR (Allegheny Electricity Cooperative Inc.)

      4.45%, Series A (LOC; Rabobank Nederland)                                                 800,000  (a)             800,000

Montgomery County, Prerefunded

  6%, Series A, 10/15/2000

   (Escrowed in; U.S. Government Securities)                                                  1,500,000                1,501,039

Montgomery County Industrial Development Authority

  Industrial Revenue, VRDN (Laneko Engineering)

   5.55%, Series A (LOC; First Union National Bank)                                           6,605,000  (a)           6,605,000

Northeastern Hospital Authority, HR, CP

  4.30%, Series B, 10/16/2000

   (Insured; MBIA and LOC; PNC Bank)                                                            575,000                  575,000

State of Pennsylvania:

  CP 4.25%, Series A, 11/16/2000

      (LOC; Bayerische Landesbank)                                                            5,900,000                5,900,000

   GO Notes 5%, 11/15/2000 (Insured; AMBAC)                                                   1,000,000                1,001,251

Pennsylvania Higher Education Assistance Agency

  Student Loan Revenue:

      Refunding 6.80%, Series A, 12/1/2000 (Insured; FGIC)                                    4,505,000                4,522,324

      VRDN 5.75%, Series B

         (LOC; Student Loan Marketing Association)                                            2,400,000  (a)           2,400,000

Pennsylvania Higher Educational Facilities Authority

  College and University Revenue:

    (CICU Financing Program--Saint Francis College)

         3.80%, Series B-7, 11/1/2000

         (LOC; Allied Irish Banks)                                                            4,300,000                4,300,000

                                                                                                     The Fund

STATEMENT OF INVESTMENTS (CONTINUED)

                                                                                               Principal

TAX EXEMPT INVESTMENTS (CONTINUED)                                                            Amount ($)               Value ($)
------------------------------------------------------------------------------------------------------------------------------------

Pennsylvania Higher Educational Facilities Authority

  College and University Revenue (continued):

    (Mount Aloysius College) 3.80%, Series C-3, 11/1/2000

         (LOC; Allied Irish Banks)                                                            1,300,000                1,300,000

      (University of the Arts)

         3.80%, 3/15/2001 (LOC; Asset Guaranty)                                                 275,000                  273,278

Pennsylvania Industrial Development Authority, EDR

  Prerefunded, Pooled Loan Program

  6.80%, Series A, 1/1/2001

   (Escrowed in; U.S. Government Securitites)                                                 1,000,000                1,006,365

Pennsylvania Turnpike Common Oil Franchise, Tax Revenue

   Refunding 3.85%, Series A, 12/1/2000 (Insured; AMBAC)                                      1,000,000                  998,772

Philadelphia, TRAN 5%, Series A, 6/29/2001                                                    2,000,000                2,009,111

Philadelphia Gas Works, Revenue:

  CP 4.30%, Series C, 10/16/2000

      (LOC; Morgan Guaranty Trust Co.)                                                        3,200,000                3,200,000

   Prerefunded 7.70%, Series 13, 6/15/2001

      (Escrowed in; U.S. Government Securities)                                               2,110,000                2,196,638

Robinson Township, Refunding, GO Notes

   5%, 11/1/2000 (Insured; AMBAC)                                                               135,000                  135,082

Union County Higher Educational Facility Financing Authority

  College and University Revenue, Refunding

   (Bucknell University) 5.80%, 4/1/2001 (Insured; MBIA)                                      1,000,000                1,007,510

Venango Industrial Development Authority, RRR, CP

  (Scrubgrass Power Corp. Project)

   4.50%, 10/25/2000 (LOC; National Westminster Bank)                                         4,000,000                4,000,000

York Suburban School District, GO Notes

   3.55%, 2/15/2001 (Insured; FGIC)                                                             200,000                  199,024
------------------------------------------------------------------------------------------------------------------------------------

TOTAL INVESTMENTS (cost $94,562,339)                                                             101.6%               94,576,758

LIABILITIES, LESS CASH AND RECEIVABLES                                                           (1.6%)              (1,519,011)

NET ASSETS                                                                                       100.0%               93,057,747
</TABLE>


Summary of Abbreviations

AMBAC                     American Municipal Bond
                             Assurance Corporation

CP                        Commercial Paper

EDR                       Economic Development Revenue

FGIC                      Financial Guaranty Insurance
                             Company

FSA                       Financial Security Assurance

HR                        Hospital Revenue

GO                        General Obligation

IDR                       Industrial Development Revenue

LOC                       Letter of Credit

MBIA                      Municipal Bond Investors
                             Assurance Insurance
                             Corporation

PCR                       Pollution Control Revenue

RRR                       Resources Recovery Revenue

TRAN                      Tax and Revenue Anticipation
                             Notes

VRDN                      Variable Rate Demand Notes
<TABLE>
<CAPTION>

Summary of Combined Ratings (Unaudited)

Fitch                or          Moody's               or        Standard & Poor's                           Value (%)
------------------------------------------------------------------------------------------------------------------------------------

<S>                              <C>                             <C>                                              <C>
F1+/F1                           VMIG1/MIG1                      SP1+/SP1, A1+/A1                                 66.1

AAA/AA (b)                       Aaa/Aa (b)                      AAA/AA (b)                                       26.1

Not Rated (c)                    Not Rated (c)                   Not Rated (c)                                     7.8

                                                                                                                 100.0

(A) SECURITIES PAYABLE ON DEMAND. VARIABLE INTEREST RATE--SUBJECT TO PERIODIC CHANGE.

(B) NOTES WHICH ARE NOT F, MIG OR SP RATED ARE REPRESENTED BY BOND RATINGS OF THE ISSUERS.

(C)  SECURITIES WHICH, WHILE NOT RATED BY FITCH, MOODY'S AND STANDARD & POOR'S
HAVE BEEN DETERMINED BY THE MANAGER TO BE OF COMPARABLE QUALITY TO THOSE RATED
SECURITIES IN WHICH THE FUND MAY INVEST.

SEE NOTES TO FINANCIAL STATEMENTS.
</TABLE>

                                                             The Fund

STATEMENT OF ASSETS AND LIABILITIES

September 30, 2000

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

ASSETS ($):

Investments in securities--See Statement of Investments  94,562,339  94,576,758

Cash                                                                     85,204

Interest receivable                                                     823,802

Prepaid expenses and other assets                                         3,444

                                                                     95,489,208
--------------------------------------------------------------------------------

LIABILITIES ($):

Due to The Dreyfus Corporation and affiliates                            42,089

Payable for investment securities purchased                           2,351,223

Accrued expenses and other liabilities                                   38,149

                                                                      2,431,461
--------------------------------------------------------------------------------

NET ASSETS ($)                                                       93,057,747
--------------------------------------------------------------------------------

COMPOSITION OF NET ASSETS ($):

Paid-in capital                                                      93,070,855

Accumulated net realized gain (loss) on investments                    (27,527)

Accumulated gross unrealized appreciation of investments                 14,419
--------------------------------------------------------------------------------

NET ASSETS ($)                                                       93,057,747
--------------------------------------------------------------------------------

SHARES OUTSTANDING

(unlimited number of $.001 par value shares of Beneficial Interest authorized)
                                                                     93,070,855

NET ASSET VALUE, offering and redemption price per share ($)               1.00

SEE NOTES TO FINANCIAL STATEMENTS.


STATEMENT OF OPERATIONS

Year Ended September 30, 2000

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

INVESTMENT INCOME ($):

INTEREST INCOME                                                      3,890,140

EXPENSES:

Management fee--Note 2(a)                                              496,121

Shareholder servicing costs--Note 2(b)                                  85,521

Professional fees                                                       37,447

Prospectus and shareholders' reports                                    15,083

Custodian fees                                                          11,202

Registration fees                                                        9,042

Trustees' fees and expenses--Note 2(c)                                   8,006

Miscellaneous                                                            6,066

TOTAL EXPENSES                                                         668,488

INVESTMENT INCOME--NET                                               3,221,652
--------------------------------------------------------------------------------

REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS--NOTE 1(B) ($):

Net realized gain (loss) on investments                                  1,076

Net unrealized appreciation (depreciation) on investments               14,419

NET REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS                  15,495

NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS                 3,237,147

SEE NOTES TO FINANCIAL STATEMENTS.

                                                             The Fund

STATEMENT OF CHANGES IN NET ASSETS

                                                    Year Ended September 30,
                                               ---------------------------------

                                                     2000                 1999
--------------------------------------------------------------------------------

OPERATIONS ($):

Investment income--net                          3,221,652            2,845,447

Net realized gain (loss) on investments             1,076                 --

Net unrealized appreciation (depreciation)
        on investments                              14,419                 --

NET INCREASE (DECREASE) IN NET ASSETS
   RESULTING FROM OPERATIONS                    3,237,147            2,845,447
--------------------------------------------------------------------------------

DIVIDENDS TO SHAREHOLDERS FROM ($):

INVESTMENT INCOME--NET                         (3,221,652)          (2,845,447)
--------------------------------------------------------------------------------

BENEFICIAL INTEREST TRANSACTIONS ($1.00 per share):

Net proceeds from shares sold                 114,866,459          137,389,922

Dividends reinvested                            3,045,004            2,686,228

Cost of shares redeemed                      (128,167,083)        (163,576,192)

INCREASE (DECREASE) IN NET ASSETS FROM
   BENEFICIAL INTEREST TRANSACTIONS           (10,255,620)         (23,500,042)

TOTAL INCREASE (DECREASE) IN NET ASSETS       (10,240,125)         (23,500,042)
--------------------------------------------------------------------------------

NET ASSETS ($):

Beginning of Period                           103,297,872          126,797,914

END OF PERIOD                                  93,057,747          103,297,872

SEE NOTES TO FINANCIAL STATEMENTS.

<TABLE>
<CAPTION>

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.

                                                                                         Year Ended September 30,
                                                                --------------------------------------------------------------------

                                                                 2000           1999           1998           1997          1996
------------------------------------------------------------------------------------------------------------------------------------

PER SHARE DATA ($):

<S>                                                              <C>            <C>            <C>            <C>           <C>
Net asset value, beginning of period                             1.00           1.00           1.00           1.00          1.00

Investment Operations:

Investment income--net                                           .033           .026           .030           .030          .030

Distributions:

Dividends from investment income--net                           (.033)         (.026)         (.030)         (.030)        (.030)

Net asset value, end of period                                   1.00           1.00           1.00           1.00          1.00
------------------------------------------------------------------------------------------------------------------------------------

TOTAL RETURN (%)                                                 3.32           2.60           3.05           3.03          3.04
------------------------------------------------------------------------------------------------------------------------------------

RATIOS/SUPPLEMENTAL DATA (%):

Ratio of expenses to average net assets                           .67            .65            .65            .66           .68

Ratio of net investment income

   to average net assets                                         3.25           2.57           3.01           2.99          3.00

Decrease reflected in above expense
   ratios due to undertakings by
   The Dreyfus Corporation                                         --            --              --             --           .01
------------------------------------------------------------------------------------------------------------------------------------

Net Assets, end of period ($ x 1,000)                          93,058        103,298        126,798        131,051       151,918

SEE NOTES TO FINANCIAL STATEMENTS.
</TABLE>


                                                             The Fund


NOTES TO FINANCIAL STATEMENTS

NOTE 1--Significant Accounting Policies:

Dreyfus  Pennsylvania  Municipal  Money  Market  Fund (the "fund") is registered
under  the  Investment  Company  Act  of  1940,  as  amended  (the  "Act"), as a
non-diversified  open-end  management  investment company. The fund's investment
objective  is to provide investors with as high a level of current income exempt
from  Federal  and  Pennsylvania  state  income  taxes as is consistent with the
preservation   of   capital  and  the  maintenance  of  liquidity.  The  Dreyfus
Corporation (the "Manager") serves as the fund's investment adviser. The Manager
is  a direct subsidiary of Mellon Bank, N.A., which is a wholly-owned subsidiary
of  Mellon  Financial  Corporation.  Effective  March  22, 2000, Dreyfus Service
Corporation  (" DSC" ), a  wholly-owned  subsidiary  of  the Manager, became the
distributor  of  the fund's shares, which are sold to the public without a sales
charge.  Prior  to  March  22,  2000, Premier Mutual Fund Services, Inc. was the
distributor.

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 per share of
$1.00.

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 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. Interest income, adjusted for amortization of
premiums  and original issue discounts on investments, is earned from settlement
date    and    recognized    on    the    accrual    basis.

Realized  gain  and  loss  from  securities  transactions  are  recorded  on the
identified  cost basis. Cost of investments represents amortized cost. Under the
terms of the custody agreement, the fund received net earnings credits of $7,981
during the period ended September 30, 2000 based on available cash balances left
on deposit. Income earned under this arrangement is included in interest income.

The  fund  follows  an  investment  policy  of  investing primarily in municipal
obligations  of  one  state. Economic changes affecting the state and certain of
its  public  bodies  and municipalities may affect the ability of issuers within
the  state to pay interest on, or repay principal of, municipal obligations held
by the fund.

(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, which can distribute tax exempt dividends, by
complying  with the applicable provisions of the Code, and to make distributions
of  income  and  net  realized  capital  gain  sufficient  to  relieve  it  from
substantially all Federal income and excise taxes.

The fund has an unused capital loss carryover of approximately $28,000 available
for  Federal  income  tax  purposes  to be applied against future net securities
profits,  if  any,  realized  subsequent  to September 30, 2000. If not applied,
$2,700  of the carryover expires in fiscal 2003, $17,800 expires in fiscal 2004,
$2,500 expires in fiscal 2006 and $5,000 expires in fiscal 2007.

                                                             The Fund

NOTES TO FINANCIAL STATEMENTS (CONTINUED)

At  September  30, 2000, 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 with the Manager, the management fee is
computed  at  the  annual  rate  of .50 of 1% of the value of the fund's average
daily net assets and is payable monthly.

(b)  Under  the Shareholder Services Plan, the fund reimburses DSC 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  September  30,  2000,  the  fund  was  charged  $34,656  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  September 30, 2000, the fund was charged $31,896 pursuant to the transfer
agency agreement.

(c)  Each  trustee  who  is  not  an  "affiliated  person" as defined in the Act
receives  from  the  fund  an  annual  fee  of $1,000. The Chairman of the Board
receives an additional 25% of such compensation.


REPORT OF INDEPENDENT AUDITORS

Shareholders and Board of Trustees

Dreyfus Pennsylvania Municipal Money Market Fund

We  have audited the accompanying statement of assets and liabilities of Dreyfus
Pennsylvania   Municipal   Money   Market   Fund,  including  the  statement  of
investments,  as  of September 30, 2000, 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
confirmation of securities owned as of September 30, 2000 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  Pennsylvania  Municipal  Money  Market  Fund at September 30, 2000, 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.


/s/Ernst & Young

New York, New York

November 3, 2000

                                                             The Fund


IMPORTANT TAX INFORMATION (Unaudited)

In accordance with Federal tax law, the fund hereby designates all the dividends
paid  from investment income-net during the fiscal year ended September 30, 2000
as  "exempt-interest  dividends"  (not  subject  to  regular  Federal  and,  for
individuals who are Pennsylvania residents, Pennsylvania personal income taxes)



NOTES

                                                           For More Information

  Dreyfus Pennsylvania Municipal Money

  Market Fund

  200 Park Avenue

  New York, NY 10166

Manager

  The Dreyfus Corporation

  200 Park Avenue

  New York, NY 10166

Custodian

  The Bank of New York

  100 Church Street

  New York, NY 10286

Transfer Agent & Dividend Disbursing Agent

  Dreyfus Transfer, Inc.

  P.O. Box 9671

  Providence, RI 02940

Distributor

  Dreyfus Service Corporation

  200 Park Avenue

  New York, NY 10166

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                                   104AR009







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