POTOMAC FUNDS
485BPOS, 1998-11-30
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    As filed with the Securities and Exchange Commission on November 30, 1998

                                                     1933 Act File No. 333-28697
                                                     1940 Act File No. 811-8243

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933                  [ X ]
Pre-Effective Amendment No. --------                                     [ ]
Post-Effective Amendment No. 2                                           [ X ] 
                            ---
                                     and/or

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940          [ X ]
     Amendment No.            3 
                             ----
                       (Check appropriate box or boxes.)

                                  POTOMAC FUNDS
               (Exact name of Registrant as Specified in Charter)

                              550 Mamaroneck Avenue
                            Harrison, New York 10528
               (Address of Principal Executive Office) (Zip Code)

       Registrant's Telephone Number, including Area Code: (914) 381-2080

                               Thomas A. Mulrooney
                              550 Mamaroneck Avenue
                            Harrison, New York 10528
                     (Name and Address of Agent for Service)

                                    Copy to:
                              Robert J. Zutz, Esq.
                           Kirkpatrick & Lockhart LLP
                          1800 Massachusetts Avenue, NW
                             Washington, D.C. 20036

         Approximate Date of Proposed Public Offering DECEMBER 30, 1998
                                                      -----------------

It is proposed that this filing will become effective (check  appropriate box) 

        [ ]   immediately upon filing pursuant to paragraph (b)
        [ x ] on December 30, 1998 pursuant to paragraph (b)
        [ ]   60 days after filing pursuant to paragraph (a)(1)
        [ ]   on (date) pursuant to paragraph (a)(1)
        [ ]   75 days after filing pursuant to paragraph (a)(2)
        [ ]   on (date) pursuant to paragraph (a)(2) of Rule 485.

If appropriate, check the following box:

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



<PAGE>


                                THE POTOMAC FUNDS


                       CONTENTS OF REGISTRATION STATEMENT


This registration document is comprised of the following:

               Cover Sheet

               Contents of Registration Statement

               Prospectus

               Statement of Additional Information

               Part C of Form N-1A

               Signature Page

               Exhibits



<PAGE>
                                  POTOMAC FUNDS
                                     (LOGO)

                                   PROSPECTUS

                             100 South Royal Street
                           Alexandria, Virginia 22314

                              550 Mamaroneck Avenue
                            Harrison, New York 10528

                                 (800) 851-0511

   
The Potomac Funds (the "Trust") is a no-load management  investment  company, or
mutual fund, that currently offers five separate  investment  portfolios (each a
"Fund" and  collectively  the "Funds").  The Funds are designed  principally for
experienced  investors who intend to follow an asset  allocation  strategy.  The
Funds are not designed for  inexperienced or less  sophisticated  investors.  An
important feature of the Trust is that it primarily  consists of pairs of Funds,
one of which attempts to provide results  correlating to a specific index, while
the other  attempts to provide  inverse  performance  that is similar to a short
position  in the  specific  index.  In  particular,  the  following  Funds  seek
investment results that correspond over time to the following benchmarks:
    

<TABLE>
<CAPTION>

FUND                          BENCHMARK
<S>                           <C>    

   
Potomac U.S. Plus Fund        150% of the  performance of the Standard & Poor's 500 Composite Stock
                              Price Index(TRADEMARK)
Potomac U.S./Short Fund       Inverse  (opposite)  of the  Standard  & Poor's 500  Composite  Stock
                              Price Index(TRADEMARK)
Potomac OTC Plus Fund         125% of the performance of the Nasdaq 100 Index(TRADEMARK)
Potomac OTC/Short Fund        Inverse (opposite) of the Nasdaq 100 Index(TRADEMARK)

</TABLE>
                                      January 1, 1999
    



<PAGE>



The Trust also offers the Potomac U.S. Government Money Market Fund, which seeks
security of principal,  current  income and liquidity by investing  primarily in
money market instruments issued or guaranteed,  as to principal and interest, by
the U.S.  Government,  its  agencies  or  instrumentalities.  THIS FUND SEEKS TO
MAINTAIN A CONSTANT  $1.00 NET ASSET  VALUE PER SHARE,  ALTHOUGH  THIS CANNOT BE
ASSURED.  SHARES  OF THE  POTOMAC  U.S.  GOVERNMENT  MONEY  MARKET  FUND ARE NOT
DEPOSITS OR  OBLIGATIONS,  OR  GUARANTEED  OR ENDORSED  BY, THE FEDERAL  DEPOSIT
INSURANCE  CORPORATION,  THE  FEDERAL  RESERVE  BOARD OR ANY  OTHER  AGENCY.  AN
INVESTMENT IN THIS FUND IS NEITHER  INSURED NOR  GUARANTEED BY THE UNITED STATES
GOVERNMENT.

   
The Funds (other than the Potomac U.S.  Government Money Market Fund) may engage
in certain  aggressive  investment  techniques,  which include engaging in short
sales and transactions in options and futures  contracts.  The Potomac U.S. Plus
Fund and the Potomac OTC Plus Fund may use the  speculative  technique  known as
leverage  to  increase  funds  available  for  investment.   SEE  "Special  Risk
Considerations."  Investors in the Potomac  U.S.  Plus Fund and Potomac OTC Plus
Fund may  experience  substantial  losses  during  sustained  periods of falling
equity prices.  Investors in the Potomac  U.S./Short Fund and Potomac  OTC/Short
Fund may experience  substantial  losses during periods of sustained  periods of
rising equity prices.  None of the Funds alone constitutes a balanced investment
plan,  and  investments  in  certain  of the  Funds  involve  special  risks not
traditionally  associated  with  investment  companies,   including  significant
portfolio turnover. SEE "Special Risk Considerations." There can be no assurance
that a Fund will achieve its investment objective.

Investors should read this Prospectus and retain it for future  reference.  This
Prospectus is designed to set forth concisely the information an investor should
know about the Trust before  investing.  A Statement of  Additional  Information
(`SAI"),  dated January 1, 1999,  containing  additional  information  about the
Trust, has been filed with the Securities and Exchange Commission ("SEC") and is
incorporated  herein  by  reference.  A copy  of the SAI is  available,  without
charge, upon request to the Trust at the address or telephone numbers above.
    

The SEC  maintains  a Web  site  (http://www.sec.gov)  that  contains  the  SAI,
material incorporated by reference and other information regarding the Funds.

THESE  SECURITIES  HAVE NOT BEEN APPROVED OR  DISAPPROVED  BY THE SECURITIES AND
EXCHANGE  COMMISSION NOR 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.

   
    






                                       2
<PAGE>





                                     TABLE OF CONTENTS



                                                                          PAGE

PROSPECTUS SUMMARY...........................................................4

FEES AND EXPENSES OF THE FUNDS...............................................6

INVESTMENT OBJECTIVES AND POLICIES...........................................9

SPECIAL RISK CONSIDERATIONS.................................................12

INVESTMENT TECHNIQUES AND OTHER INVESTMENT POLICIES.........................14

PORTFOLIO TRANSACTIONS AND BROKERAGE........................................18

HOW TO INVEST IN THE FUNDS..................................................19

TAX-SHELTERED RETIREMENT PLANS..............................................20

REDEEMING SHARES (WITHDRAWALS)..............................................20

EXCHANGES...................................................................21

PROCEDURES FOR REDEMPTIONS AND EXCHANGES....................................21

DETERMINATION OF NET ASSET VALUE............................................22

PERFORMANCE INFORMATION.....................................................23

DIVIDENDS AND OTHER DISTRIBUTIONS...........................................24

TAXES.......................................................................24

MANAGEMENT AND ADMINISTRATION OF THE TRUST..................................25

GENERAL INFORMATION ABOUT THE TRUST.........................................26





                                       3
<PAGE>


                                     PROSPECTUS SUMMARY


THE POTOMAC FUNDS
Each Fund has its own distinct investment objective.  There is no guarantee that
any Fund will achieve its investment objective. The investment objectives of the
Funds are as follows.

   
    

   
The POTOMAC  U.S.  PLUS FUND  ("U.S.  Plus  Fund")  seeks to provide  investment
returns that  correspond to 150% of the performance of the Standard & Poor's 500
Composite Stock Price  Index(TRADEMARK)  (the "S&P 500 Index"). In attempting to
achieve its objective,  the Fund may invest in securities included in that index
and may enter into long positions in stock index futures  contracts,  options on
stock index futures contracts and options on securities and on stock indices. In
contrast to the returns of a mutual fund that seeks to approximate the return of
the S&P 500 Index,  the Fund may produce  gains  greater than that return during
periods when the prices of  securities  included in the S&P 500 Index are rising
and below that return during periods when such prices are  declining.  Investors
in the Fund may  experience  substantial  losses  during  sustained  periods  of
falling U.S. equity prices. The Fund also invests in short-term debt securities.

The POTOMAC  U.S./SHORT  FUND  ("U.S./Short  Fund") seeks to provide  investment
returns that inversely correlate to the performance of the S&P 500 Index. If the
Fund is  successful  in meeting  its  objective,  the Fund's net asset value per
share will increase in direct proportion to any decrease in the level of the S&P
500 Index and,  conversely,  the net asset  value of the Fund will  decrease  in
direct  proportion to any increase in the level of the S&P 500 Index. In seeking
to achieve  its  objective,  the Fund may enter into  positions  in stock  index
futures  contracts,  options on stock  index  futures  contracts  and options on
securities  and  on  stock  indices.   The  Fund  involves   special  risks  not
traditionally  associated with investment  companies.  Investors in the Fund may
experience  substantial  losses during  sustained  periods of rising U.S. equity
prices. The Fund also invests in short-term debt securities.

The POTOMAC OTC PLUS FUND ("OTC Plus Fund") seeks to provide  investment returns
that  correspond to 125% of the  performance of the Nasdaq 100  Index(TRADEMARK)
("Nasdaq Index").  The Fund invests in the securities included in that index, as
well as enters into long positions in stock index futures contracts,  options on
such index futures contracts and options on securities and on stock indices.  In
contrast to the returns of a mutual fund that seeks to approximate the return of
the Nasdaq  Index,  the Fund may produce  gains  greater than that return during
periods when prices of  securities in the Nasdaq Index are rising and below that
return during periods when such prices are declining.  Investors in the Fund may
experience  substantial  losses during sustained  periods of falling U.S. equity
prices. The Fund also invests in short-term debt securities.

The  POTOMAC  OTC/SHORT  FUND  ("OTC/Short  Fund")  seeks to provide  investment
results that inversely  correlate to the performance of the Nasdaq Index. If the
Fund is  successful  in meeting  its  objective,  the Fund's net asset value per
share will  increase in direct  proportion  to any  decrease in the level of the
Nasdaq Index and,  conversely,  the net asset value of the Fund will decrease in
direct  proportion to any increase in the level of the Nasdaq Index.  In seeking
to achieve its objective,  the Fund invests in the  securities  included in that
index, as well as enter into short  positions in stock index futures  contracts,
options on stock index futures contracts, and options on securities and on stock
indices.  The Fund involves risks not  traditionally  associated with investment
companies.  Investors  in the  Fund may  experience  substantial  losses  during
sustained  periods  of rising  U.S.  equity  prices.  The Fund also  invests  in
short-term debt securities.
    


                                       4
<PAGE>

The POTOMAC U.S.  GOVERNMENT  MONEY MARKET FUND ("Money  Market  Fund") seeks to
provide  security of principal,  current  income and  liquidity.  To achieve its
objective,  the Money Market Fund invests primarily in money market  instruments
that  are  issued  or  guaranteed  as to  principal  and  interest  by the  U.S.
Government,  its  agencies  or  instrumentalities,  as  well  as  in  repurchase
agreements collateralized fully by U.S. Government securities.

Further  discussion  of each Fund's  investment  objective  and policies and the
risks  associated  with  investing  in the Funds may be found under  "Investment
Objectives  and  Policies,"   "Special  Risk   Considerations"  and  "Investment
Techniques and Other Investment Policies" below.


SPECIAL RISK CONSIDERATIONS
Each Fund  (except  the Money  Market  Fund) may  engage in  certain  aggressive
investment   techniques,   which  may  include   engaging  in  short  sales  and
transactions in futures  contracts and options on securities,  stock indices and
futures  contracts.  As discussed  more fully under  "Investment  Objectives and
Policies," "Special Risk  Considerations"  and "Investment  Techniques and Other
Investment  Policies,"  these  techniques are  specialized and involve risks not
traditionally associated with investment companies.

   
The  Trust  expects  that a  substantial  number  of the  Funds'  investors  are
experienced  and invest in the Funds as part of an asset  allocation  investment
strategy.  These  shareholders  likely  redeem or  exchange  their  Fund  shares
frequently to take advantage of anticipated  changes in market  conditions.  The
strategies  employed by investors in the Funds may result in considerable assets
moving in and out of the Funds  and,  consequently,  a high  portfolio  turnover
rate. A high  portfolio  turnover rate  generally  causes a Fund to incur higher
expenses and additional  costs and may adversely affect the ability of a Fund to
meet its investment objective.

The U.S.  Plus  Fund and the OTC Plus  Fund may  borrow  money  from  banks  for
investment purposes,  which is a form of leveraging.  This leverage will magnify
the gains and  losses on a Fund's  investments  and the  changes in a Fund's net
asset value per share.  Each Fund may borrow  money for  temporary  or emergency
purposes and to meet redemption  requests without  immediately selling portfolio
securities.

While  the Funds do not  expect  their  returns  over a  twelve-month  period to
deviate  from their  respective  current  benchmarks  by more than 10%,  certain
factors may affect each Fund's ability to achieve this correlation.
    

Under  certain  circumstances,  trading on an  exchange  may be halted or closed
early,  resulting in a Fund being unable to execute buy or sell orders that day.
If that  occurs  and a Fund  needs to  execute  a high  volume of trades on that
trading day, a Fund may incur substantial trading losses.


PURCHASES,  REDEMPTIONS,  AND  EXCHANGES  OF TRUST  SHARES The  minimum  initial
investment  is $10,000,  which can be allocated in any amounts  among the Funds.
The  shares of each Fund may be  purchased  and  redeemed  without  any sales or
redemption charges at the net asset value of the Fund next determined. Shares of
any Fund may be exchanged at any time for shares of any other Fund, on the basis
of the relative net asset values next computed,  without charge.  Exchanges must
be for at least the lesser of $1,000 or the entire account  balance for the Fund
from  which the  exchange  is made.  Because  of the  administrative  expense of
handling small accounts, the Trust reserves the right to redeem involuntarily an
investor's account, including a retirement account, that falls below the minimum
investment of $10,000 in total value in the Trust due to redemptions.  The Trust
reserves  the  right to  modify  its  minimum  investment  requirements  and the
corresponding amounts below which an involuntary


                                       5
<PAGE>

redemption may be effected.  SEE "How to Invest in the Funds," "Redeeming Shares
(Withdrawals)" and "Procedures for Redemptions and Exchanges."


   
INVESTMENT ADVISER
Rafferty Asset Management,  LLC ("Adviser")  serves as the investment adviser to
each Fund. The Adviser has been  registered as an investment  adviser since June
1997. Lawrence C.
Rafferty controls the Adviser.
    


                         FEES AND EXPENSES OF THE FUNDS

   
The following table illustrates the various expenses and fees that a shareholder
of each Fund may incur either directly or indirectly. 
    

<TABLE>
<CAPTION>
                                        ANNUAL FUND OPERATING EXPENSES
   
                                                                                Total Fund
                               Management                        Other          Operating
                                  Fees*       12b-1 Fees+       Expenses*       Expenses*#
                                  -----       -----------       ---------       ----------
                                               
  <S>                             <C>             <C>                <C>              <C> 
  U.S. Plus Fund                  0.75            None            0.75             1.50
  U.S./Short Fund                 0.90            None            0.75             1.65
  OTC Plus Fund                   0.75            None            0.75             1.50
  OTC/Short Fund                  0.90            None            0.75             1.65
  Money Market Fund               0.50            None            0.50             1.00
</TABLE>
    
- -----------

   
+ The Funds have adopted a Rule 12b-1 Distribution Plan;  however,  the Board of
Trustees  has not  authorized  payment of any fees  pursuant  to such Plan.  SEE
"General Information about the Trust - DISTRIBUTION of Fund Shares" below.
# You will be charged $12.00 per wire redemption to cover transaction costs.
* After fee waiver amd/or expense reimbursement.  Absent such fee waivers and/or
reimbursements  each Fund's Other Expenses and Total Operating  Expenses for the
fiscal year ended August 31, 1998 would have been as follows:

                           Other Expenses       Total Operating Expenses
                           --------------       ------------------------
      U.S. Plus Fund                1.77%                    2.52%
      U.S./Short Fund               4.39%                    5.29%
      OTC Plus Fund                 2.46%                    3.21%
      OTC/Short Fund                2.80%                    3.70%
      Money Market Fund             3.20%                    3.70%
    

                                     EXAMPLE
                                     -------

Assuming a  hypothetical  investment of $1,000 in each Fund, a 5% annual return,
and  redemption  at the end of each time period,  an investor in each Fund would
pay transaction and operating expenses at the end of each period as follows:



                                       6
<PAGE>


   
                              1 Year    3 Years   5 Years  10 Years
                              ------    -------   -------  --------
      U.S. Plus Fund            $15       $47       $82      $179
      U.S./Short Fund           $17       $52       $90      $195
      OTC Plus Fund             $15       $47       $82      $179
      OTC/Short Fund            $17       $52       $90      $195
      Money Market Fund         $10       $32       $55      $122

The  preceding  table of fees and  expenses is provided to assist  investors  in
understanding  the  various  costs and  expenses  that may be borne  directly or
indirectly  by an  investor in each of the Funds.  The assets of the  U.S./Short
Fund and the OTC/Short  Fund may decline in a rising stock market as a result of
possible net redemptions.  During such periods,  it is possible that the expense
ratio  of  those  funds  may  increase.  The 5%  assumed  annual  return  is for
comparison  purposes  only.  THE FOREGOING  EXAMPLES  SHOULD NOT BE CONSIDERED A
REPRESENTATION OF FUTURE EXPENSES OR PERFORMANCE. ACTUAL EXPENSES MAY BE GREATER
OR LESS THAN  THOSE  SHOWN AND  PERFORMANCE  MAY BE BETTER OR WORSE  THAN THE 5%
ANNUAL RETURN  ASSUMED IN THE EXAMPLES.  For  additional  information  about the
Funds' fees, SEE "Management and Administration of the Trust" in this Prospectus
and in the SAI.


                              FINANCIAL HIGHLIGHTS

The  following  table  shows   important   financial   information   audited  by
PricewaterhouseCoopers  LLP for each fund share outstanding for the period ended
August 31, 1998,  including net investment  income,  net realized and unrealized
gain on investments,  and certain other  information.  The information  included
below has been derived from the  financial  records of the Funds.  Copies of the
funds'  Annual  Report to  Shareholders  may be obtained  without  charge,  upon
request.
    







                                       7
<PAGE>
<TABLE>
<CAPTION>


                                                    
                                                              POTOMAC FUNDS

               For a fund share outstanding throughout the period

POTOMAC FUNDS                                 U.S. PLUS FUND    U.S./SHORT FUND  OTC PLUS FUND   OTC/SHORT FUND   U.S. GOVERNMENT
                                                                                                                 MONEY MARKET FUND
                                               October 20,        November 7,   October 20,      October 16,       October 20, 
                                               1997(1) to         1997(1) to    1997(1) to       1997(1) to         1997(1) to
                                                August 31,       August 31,     August 31,       August 31,         August 31, 
                                                  1998              1998           1998             1998              1998
                                              ------------      ------------    ----------       -----------      ---------------
<S>                                              <C>              <C>         <C>               <C>                 <C>      
PER SHARE DATA:
NET ASSET VALUE,

   BEGINNING OF PERIOD ........................  $  10.00         $ 10.00     $   10.00         $  10.00            $    1.00
   --------------------------------------------  --------         -------     ---------         --------            ---------

INCOME (LOSS) FROM INVESTMENT OPERATIONS:
Net investment income (loss) ..................      0.36(4)         0.23(4)      (0.11)(4)         0.09(4)(8)           0.04(4)
Net realized and unrealized gain (loss) on ....     (0.58)          (0.77)         0.52            (1.71)                  --
                                                 ---------        --------    ---------         ---------           ---------
investments
    Total from investment operations ..........     (0.22)          (0.54)         0.41            (1.62)                0.04
                                                 ---------        --------    ---------         ---------           ---------
LESS DIVIDENDS FROM NET INVESTMENT INCOME .....     (0.02)            --           --                --                 (0.04)
                                                 ---------        --------    ---------         ---------           ---------

NET ASSET VALUE, END OF PERIOD ................  $   9.76         $  9.46     $   10.41         $   8.38            $    1.00
                                                 ========         ========    =========         =========           ========= 

TOTAL RETURN(2) ...............................     (2.23%)         (5.40%)        4.10%          (16.20%)               3.89%

SUPPLEMENTAL DATA AND RATIOS:
Net assets, end of period .....................  $ 466,997        $7,768,652  $ 7,680,546       $19,168,538         $ 9,370,384


Ratio of net expenses to average net assets:
    Before expense reimbursement(3) ...........      2.52%           5.29%         3.21%            3.70%                3.70%
    After expense reimbursement(3) ............      1.50%           1.57%         1.50%            1.64%(6)             1.00%
Ratio of net investment income (loss) to average
  net assets:
    Before expense reimbursement(3) ...........      2.68%          (0.46%)       (2.84%)          (0.74%)               1.66%
    After expense reimbursement(3) ............      3.70%           3.26%        (1.13%)           1.32%(7)             4.36%
Portfolio turnover rate(5) ....................      0.00%           0.00%      2,324.63%       3,346.25%                 N/A
</TABLE>

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

(1)    COMMENCEMENT OF OPERATIONS.
(2)    NOT ANNUALIZED.
(3)    ANNUALIZED.
(4)    NET INVESTMENT  INCOME (LOSS) PER SHARE REPRESENTS NET INVESTMENT  INCOME
       (LOSS) FOR THE  RESPECTIVE  PERIOD DIVIDED BY THE DAILY AVERAGE SHARES OF
       BENEFICIAL INTEREST OUTSTANDING THROUGHOUT EACH PERIOD.
(5)    PORTFOLIO  TURNOVER  RATIO IS  CALCULATED  WITHOUT  REGARD TO  SHORT-TERM
       SECURITIES  HAVING A  MATURITY  OF LESS THAN ONE YEAR.  ALL OF THE FUNDS,
       WITH THE EXCEPTION OF THE OTC PLUS FUND AND THE OTC/SHORT FUND, TYPICALLY
       HOLD  MOST  OF  THEIR  INVESTMENTS  IN  OPTIONS,  FUTURES  CONTRACTS  AND
       REPURCHASE AGREEMENTS, WHICH ARE DEEMED SHORT-TERM SECURITIES.
(6)    THE OPERATING  EXPENSE RATIO EXCLUDED  DIVIDENDS ON SHORT POSITIONS.  THE
       RATIO INCLUDING  DIVIDENDS ON SHORT  POSITIONS FOR THE RESPECTIVE  PERIOD
       ENDED WAS 1.78%.
(7)    THE NET INVESTMENT  INCOME RATIO INCLUDED  DIVIDENDS ON SHORT  POSITIONS.
       THE RATIO  EXCLUDING  DIVIDENDS  ON SHORT  POSITIONS  FOR THE  RESPECTIVE
       PERIOD ENDED WAS 1.46%.
(8)    NET  INVESTMENT  INCOME  BEFORE  DIVIDENDS  ON  SHORT  POSITIONS  FOR THE
       RESPECTIVE PERIOD ENDED WAS $0.10.
    


                                       8
<PAGE>


                             INVESTMENT OBJECTIVES AND POLICIES

   
GENERAL
The Funds are  designed  principally  for  experienced  investors  who intend to
follow an asset allocation  investment strategy.  The Funds are not designed for
inexperienced or less sophisticated investors. Except for the Money Market Fund,
each Fund is intended to provide investment  exposure to a particular segment of
the  domestic  securities  markets.  These Funds seek  investment  results  that
correspond over time to a specified  benchmark.  The terms "long" and "short" in
the  Funds'  names  are not  intended  to refer to the  duration  of the  Funds'
investment  portfolios.  The Funds may be used  independently  or in combination
with each other as part of an overall investment strategy.  Additional funds may
be offered by the Trust from time to time.

The Adviser uses a number of  investment  techniques in an effort to correlate a
Fund's return with the return of its respective benchmark. The Adviser generally
does not use fundamental  securities  analysis to accomplish  such  correlation.
Rather,  the Adviser  primarily uses  statistical and  quantitative  analysis to
determine  the  investments a Fund makes and  techniques  it employs.  While the
Adviser attempts to minimize any "tracking  error" (the  statistical  measure of
the difference  between the investment  results of a Fund and the performance of
its  benchmark),  certain factors tend to cause a Fund's  investment  results to
vary from a perfect  correlation to its benchmark.  The Funds,  however,  do not
expect their total returns to vary from their respective  current  benchmarks by
more than 10% over a twelve-month  period.  SEE "Special Risk  Considerations  -
Tracking Error." It is the Funds' policy to pursue their  respective  investment
objectives regardless of market conditions,  to remain fully invested and not to
take defensive positions.
    

Each  Fund's  investment  objective  and  certain  investment  restrictions  are
fundamental  policies and may not be changed without the affirmative  vote of at
least the  majority of the  outstanding  shares of that Fund,  as defined in the
Investment  Company  Act of  1940,  as  amended  (the  "1940  Act").  All  other
investment  policies of the Funds not specified as fundamental may be changed by
the  Board  of  Trustees  of  the  Trust  ("Trustees"  or the  "Board")  without
shareholder  approval.  There can be no  assurance  that a Fund will achieve its
objective.  For a discussion of the  instruments a Fund may use, sEE "Investment
Techniques and Other Investment Policies."

   
    

THE POTOMAC U.S. PLUS FUND
The investment  objective of the U.S. Plus Fund is to provide investment returns
that  correspond to 150% of the  performance of the S&P 500 Index. In attempting
to achieve its objective,  the Fund may enter into long positions in stock index
futures  contracts,  options on stock index  futures  contracts,  and options on
securities and on stock indices. Under these techniques, the Fund generally will
incur a loss if the price of the underlying  security or index decreases between
the date the Fund initially  entered into the  transaction and the date on which
the Fund  terminates  its  position.  The Fund  also may  invest  in  shares  of
individual  stocks that are included in its benchmark.  The Fund also may invest
in U.S. Government  securities in order to deposit such securities as initial or
variation margin, as "cover" for the investment  techniques it employs,  as part
of a cash reserve and for liquidity purposes.

In contrast to a mutual fund that seeks to approximate the return of the S&P 500
Index, the Fund may produce greater returns than such a fund during periods when
the prices of the  securities  in the S&P 500 Index are rising and lower returns
than such a fund during  periods  when the price of  securities  are  declining.
Investors in the Fund may experience substantial losses during sustained periods
of falling U.S. equity prices.



                                       9
<PAGE>

   
THE POTOMAC U.S./SHORT FUND
The U.S./Short  Fund is intended to allow investors to benefit from decreases in
the S&P 500 Index or hedge an existing  portfolio of U.S.  securities  or mutual
fund shares.  The Fund's investment  objective is to provide  investment results
that inversely correlate to the performance of the S&P 500 Index.
    

If the Fund achieves a perfect  inverse  correlation for any single trading day,
the net asset value of the Fund would increase for that day in direct proportion
to any decrease in the level of the S&P 500 Index and, conversely, the net asset
value of the Fund  would  decrease  for that  day in  direct  proportion  to any
increase in the level of the S&P 500 Index.  For  example,  if the S&P 500 Index
were to decrease by 1% by the close of business  on a  particular  trading  day,
investors  in  the  Fund  should  experience  a  gain  in  net  asset  value  of
approximately 1% for that day. Conversely, if the S&P 500 Index were to increase
by 1% by the close of business on a  particular  trading  day,  investors in the
Fund should  experience a loss in net asset value of  approximately  1% for that
day.

The Fund  intends  to  pursue  its  investment  objective  regardless  of market
conditions and does not intend to take defensive  positions in  anticipation  of
rising U.S.  equity prices.  Consequently,  investors in the Fund may experience
substantial losses during sustained periods of rising U.S. equity prices.

In pursuing its  investment  objective,  the Fund  generally  does not invest in
traditional  equity securities,  such as common stock.  Rather, the Fund employs
certain  investment  techniques,  including engaging in short sales and entering
into short  positions in stock index futures  contracts,  options on stock index
futures  contracts,  and options on securities and on indices.  SEE  "Investment
Techniques and Other  Investment  Policies."  Under these  techniques,  the Fund
generally  will incur a loss if the price of the  underlying  security  or index
increases  between the date the Fund initially  entered into the transaction and
the date on which the Fund  terminates  its position.  The Fund  generally  will
realize a gain if the  underlying  security or index  declines in price  between
those  dates.  This result is the  opposite of what one would expect from a cash
purchase  of a long  position  in a  security.  The Fund also may invest in U.S.
Government  securities  in  order to  deposit  such  securities  as  initial  or
variation margin, as "cover" for the investment  techniques it employs,  as part
of a cash reserve and for liquidity purposes.

THE POTOMAC OTC PLUS FUND
The investment  objective of the OTC Plus Fund is to provide  investment results
that correspond to 125% of the performance of the Nasdaq Index. The Fund may not
necessarily hold all 100 stocks included in the Nasdaq Index.  Instead, the Fund
may hold  representative  stocks included in that index or other securities that
the Adviser believes will provide returns that correspond to those of the Nasdaq
Index. The Fund may enter into long positions in stock index futures  contracts,
options on stock index futures,  and options on securities and on stock indices.
Under these techniques, the Fund generally will incur a loss if the price of the
underlying  security  or index  decreases  between  the date the Fund  initially
entered  into the  transaction  and the date on which  the Fund  terminates  its
position.  The Fund also may invest in U.S.  Government  securities  in order to
deposit  such  securities  as initial or  variation  margin,  as "cover" for the
investment  techniques  it employs,  as part of a cash reserve and for liquidity
purposes.

Companies whose securities are traded on the  over-the-counter  ("OTC") markets,
which include the Nasdaq Stock Market ("Nasdaq"),  generally are newer companies
or have  smaller  market-capitalization  than those listed on the New York Stock
Exchange ("NYSE") or the American Stock Exchange  ("AMEX").  OTC companies often
have limited product lines or relatively new products or services,  and may lack
established markets, experienced management,  financial resources or the ability
to raise  capital.  In addition,  the  securities  of these  companies  may have
limited  marketability  and may be more  volatile  in price than  securities  of
larger  capitalized and widely recognized  companies.  Among the reasons for the
greater  price  volatility of securities of certain small OTC companies are less
certain  growth  prospects  of  comparably  smaller  firms,  the lower degree of


                                       10
<PAGE>

liquidity in the OTC markets for such securities and the greater  sensitivity of
smaller  capitalized  companies  to  changing  economic  conditions  than larger
capitalized,  exchange-traded  stocks.  Conversely,  the Adviser  believes that,
because  many of  these  OTC  securities  may be  overlooked  by  investors  and
undervalued  in the  marketplace,  there is potential  for  significant  capital
appreciation.

In contrast to a mutual fund that seeks to approximate  the return of the Nasdaq
Index, the Fund may produce greater returns than such a fund during periods when
the prices of the  securities  in the Nasdaq Index are rising and lower  returns
than such a fund during  periods  when the price of  securities  are  declining.
Investors in the Fund may experience substantial losses during sustained periods
of falling U.S. equity prices.

   
THE POTOMAC OTC/SHORT FUND
The OTC/Short  Fund is intended to allow  investors to benefit from decreases in
the Nasdaq  Index or hedge an existing  portfolio of U.S.  securities  or mutual
fund shares.  The Fund's investment  objective is to provide  investment results
that inversely correlate to the performance of the Nasdaq Index.
    

If the Fund achieves a perfect  inverse  correlation for any single trading day,
the net asset value of the Fund would increase for that day in direct proportion
to any decrease in the level of the Nasdaq Index and, conversely,  the net asset
value of the shares of the Fund would decrease for that day in direct proportion
to any increase in the level of the Nasdaq  Index.  For  example,  if the Nasdaq
Index were to decrease by 1% by the close of  business on a  particular  trading
day,  investors  in the Fund  should  experience  a gain in net  asset  value of
approximately 1% for that day. Conversely,  if the Nasdaq Index were to increase
by 1% by the close of business on a  particular  trading  day,  investors in the
Fund should  experience a loss in net asset value of  approximately  1% for that
day.

The Fund  intends  to  pursue  its  investment  objective  regardless  of market
conditions and does not intend to take defensive  positions in  anticipation  of
rising U.S.  equity prices.  Consequently,  investors in the Fund may experience
substantial losses during sustained periods of rising equity prices.

   
In pursuing its investment objective, the Fund invests in stocks included in the
Nasdaq Index, although the Fund may not necessarily hold all 100 stocks included
in the Nasdaq  Index.  The Fund also  engages in short sales and  entering  into
short positions in stock index futures contracts, options on stock index futures
contracts,  and options on securities and on indices. SEE "Investment Techniques
and Other  Investment  Policies." Under these  transactions,  the Fund generally
will incur a loss if the price of the  underlying  security  or index  increases
between the date the Fund initially entered into the transaction and the date on
which the Fund  terminates its position.  The Fund generally will realize a gain
if the underlying  security or index declines in price between those dates. This
result is the opposite of what one would  expect from a cash  purchase of a long
position in a security.  The Fund also may invest in U.S. Government  securities
in order to deposit such securities as initial or variation  margin,  as "cover"
for the  investment  techniques  it employs,  as part of a cash  reserve and for
liquidity purposes.

THE POTOMAC U.S. GOVERNMENT MONEY MARKET FUND
The  investment  objectives of the Money Market Fund are to provide  security of
principal,  current  income,  and  liquidity.  The Fund seeks to  achieve  these
objectives  by investing in high  quality,  U.S.  dollar-denominated  short-term
obligations that have been determined by the Trustees or by the Adviser, subject
to supervision by the Trustees, to present minimal credit risk. The Fund invests
exclusively  in  obligations  issued or guaranteed by the U.S.  Government,  its
agencies or  instrumentalities  ("U.S.  Government  Securities")  and repurchase
agreements that are fully collateralized by such obligations.
    



                                       11
<PAGE>

THE BENCHMARKS

   
    

STANDARD & POOR'S 500 COMPOSITE STOCK PRICE INDEX.(TRADEMARK) Standard & Poor's,
a division of The McGraw-Hill Companies, Inc. ("Standard & Poor's"), selects the
500  stocks  comprising  the S&P 500  Index on the basis of  market  values  and
industry diversification.  Most of the stocks in the S&P 500 Index are issued by
the 500  largest  companies,  in terms of the  aggregate  market  value of their
outstanding  stock,  and generally are listed on the NYSE.  Standard & Poor's is
not a sponsor of, or in any way affiliated with, the Funds.

   
NASDAQ 100 INDEX.(TRADEMARK) The Nasdaq Index is a capitalization-weighted index
composed of 100 of the largest  non-financial  domestic  companies listed on the
Nasdaq  National  Market tier of the Nasdaq.  All companies  listed on the index
have a minimum  market  capitalization  of $500  million  and an  average  daily
trading volume of at least 100,000 shares. The Nasdaq Index was created in 1985.
    


                           SPECIAL RISK CONSIDERATIONS

The following  factors may be important in determining  the  appropriateness  of
investing in the Funds.

   
AGGRESSIVE INVESTMENT  TECHNIQUES.  Each Fund (other than the Money Market Fund)
may engage in certain aggressive investment techniques that may include engaging
in short sales and transactions in futures  contracts and options on securities,
securities indices, and futures contracts. The U.S. Plus Fund and the U.S./Short
Fund use these  techniques  primarily  in seeking to  achieve  their  investment
objectives.  The OTC Plus Fund and the OTC/Short Fund also use these  techniques
in seeking to achieve their  investment  objectives.  In doing so, a significant
portion of these  Funds'  assets are held in an  account  consisting  of cash or
liquid assets as "cover" for these investment techniques.

The use of options,  futures contracts,  options on futures  contracts,  forward
contracts,  and the  investment in indexed  securities,  involve  special risks,
including  (1)  imperfect  or no  correlation  between  the price of options and
futures  contracts and the movements in the price of the underlying  securities,
indices,  or futures  contracts,  (2) possible lack of a liquid secondary market
for any particular instrument at a particular time, (3) the fact that the skills
needed  to use  these  strategies  are  different  from  those  needed to select
portfolio  securities,  (4) losses due to unanticipated  market price movements,
(5)  incorrect  forecasts  by the  Adviser  concerning  the  direction  of price
fluctuations of the investment involved in the transaction,  which may result in
the strategy being  ineffective,  (6) loss of premiums paid by a Fund on options
it  purchases,  and (7) the  possible  inability of a Fund to purchase or sell a
portfolio  security at a time when it would  otherwise be favorable for it to do
so,  or  the  possible  need  for a  Fund  to  sell a  portfolio  security  at a
disadvantageous  time,  due to the need for the Fund to  maintain  "cover" or to
segregate assets in connection with such transactions and the possible inability
of a Fund to close out or liquidate its position.
    

These  instruments may increase the volatility of a Fund and may involve a small
investment of cash  relative to the magnitude of the risk assumed.  In addition,
these  instruments could result in a loss if the counterparty to the transaction
does not  perform as promised  or if there is not a liquid  secondary  market to
close out a position that a Fund has entered into.

   
The ordinary spreads between prices in the cash and futures markets,  due to the
differences in the natures of those markets,  are subject to distortion.  Due to
the possibility of distortion,  a correct forecast of stock market trends by the
Adviser  may still not result in a  successful  transaction.  The Adviser may be


                                       12
<PAGE>

incorrect in its  expectations as to the extent of stock market movements or the
time span within which the movements take place.
    

Options and futures  transactions may increase  portfolio  turnover rates, which
results in correspondingly greater commission expenses and transaction costs and
may result in certain tax consequences.

New financial products and risk management  techniques continue to be developed.
Each Fund may use these instruments and techniques to the extent consistent with
its investment  objective and regulatory  requirements  applicable to investment
companies.  For further information regarding these techniques,  SEE "Investment
Techniques and Other Investment Policies" below.

   
PORTFOLIO TURNOVER. The Trust anticipates that investors in the Funds frequently
redeem Fund shares,  as well as exchange their Fund shares for shares of another
Fund.  A Fund may have to dispose of certain  investments  in order to  maintain
sufficient liquid assets to meet such redemption and exchange requests,  thereby
causing a high portfolio  turnover rate.  Because each Fund's portfolio turnover
rate depends largely on the purchase,  redemption,  and exchange activity of its
investors,  it is difficult to estimate each Fund's actual turnover rate.  Based
on the formula  prescribed by the SEC, the portfolio  turnover rate of each Fund
is  calculated  without  regard to  securities,  including  options  and futures
contracts,  having a maturity of less than one year.  The U.S. Plus Fund and the
U.S./Short Fund typically hold most of their  investments in options and futures
contracts, which are excluded from the portfolio turnover rate calculations. If,
however, options and futures contracts were included in such calculation,  it is
expected  that the portfolio  turnover rate of each Fund would be  approximately
500%. The OTC Plus Fund and the OTC/Short Fund, which invest primarily in common
stocks, are expected to have a similar rate.
    

A higher portfolio  turnover ratio would likely involve  correspondingly  higher
brokerage  commissions  and other expenses borne by a Fund. Such higher expenses
can adversely affect the ability of a Fund to achieve its investment objective.

   
    

   
BORROWING.  The U.S. Plus Fund and the OTC Plus Fund may borrow money from banks
for  investment  purposes,  which is a form of  leveraging.  This  leverage will
magnify the gains and losses on a Fund's  investments and on changes in a Fund's
net asset value.  Leverage also creates  interest  expenses -- if those expenses
exceed the return on the transactions that the borrowings  facilitate,  the Fund
will  be in a  worse  position  than  if it had  not  borrowed.  The  use of the
derivatives in connection  with leverage  creates the potential for  significant
losses.

TRACKING ERROR.  While the Funds do not expect their returns over a twelve-month
period to deviate from their  respective  benchmarks  by more than 10%,  several
factors may affect the Funds' ability to achieve this  correlation.  Among these
factors are: (1) Fund expenses,  including  brokerage  expenses and  commissions
(which may be increased by high  portfolio  turnover);  (2) less than all of the
securities in the benchmark  being held by a Fund and securities not included in
the benchmark  being held by a Fund;  (3) an imperfect  correlation  between the
performance  of  instruments  held by a  Fund,  such as  futures  contracts  and
options,  and the  performance of the  underlying  securities in the cash market
comprising an index;  (4) bid-ask  spreads (the effect of which may be increased
by portfolio turnover);  (5) a Fund holding instruments that are illiquid or the
market for which becomes  disrupted;  (6) the need to conform a Fund's portfolio
holdings to comply with that Fund's  investment  restrictions  or  policies,  or
regulatory or tax law requirements; and (7) market movements that run counter to
a leveraged Fund's investments (which will cause divergence between the Fund and
its benchmark over time due to the mathematical effects of leveraging).
    



                                       13
<PAGE>

Investors should be aware that while index futures and options contracts closely
correlate with the applicable indices over long periods, shorter-term deviation,
such as on a daily  basis,  does occur with these  instruments.  As a result,  a
Fund's short-term performance will reflect such deviation from its benchmark.

   
In the case of the  Funds'  whose net asset  values  move  inversely  from their
benchmarks  - the  U.S./Short  Fund  and  the  OTC/Short  Fund - the  factor  of
compounding also may lead to tracking error.  Even if there is a perfect inverse
correlation between a Fund and the return of its applicable benchmark on a daily
basis,  the symmetry between the changes in the benchmark and the changes in the
Fund's net asset value can be altered  significantly  over time by a compounding
effect.  For  example,  if  the  U.S./Short  Fund  achieved  a  perfect  inverse
correlation  with the S&P 500 Index on every trading day over an extended period
and the level of returns  of the S&P 500 Index  significantly  decreased  during
that  period,  a  compounding  effect for that period would  result,  causing an
increase  on the  U.S./Short  Fund's  net asset  value by a  percentage  that is
somewhat  greater  than the  percentage  the S&P 500  Index  returns  decreased.
Conversely, if the U.S./Short Fund maintained a perfect inverse correlation with
the S&P 500 Index over an extended period and if the level of returns of the S&P
500 Index  significantly  increased over that period, a compounding effect would
result,  causing a  decrease  of the  U.S./Short  Fund's  net  asset  value by a
percentage  that would be somewhat  less than the  percentage  the S&P 500 Index
returns increased.
    

TRADING HALTS. The U.S. Plus Fund and the U.S./Short Fund typically hold most of
their  investments  in  short-term  options  and  futures  contracts.  The major
exchanges on which these  contracts are traded,  such as the Chicago  Mercantile
Exchange  ("CME"),  and the  Chicago  Board of Options  Exchange  ("CBOE")  have
established  limits on how much an option or futures  contract  may decline over
various  time  periods  within a day. If an option or futures  contract's  price
declines more than the established limits, trading is halted on that instrument.
If such trading halts are  instituted  by an options or futures  exchange at the
close of a trading  day,  a Fund will not be able to execute  purchase  or sales
transactions in the specific option or futures  contracts  affected.  In such an
event,  a Fund  also  would  be  unable  to  accurately  price  its  outstanding
contracts.  A  trading  halt by the CME,  CBOE,  Nasdaq  or NYSE at the end of a
business day would constitute an emergency  situation under SEC  regulations.  A
Fund affected by such an emergency would not be able to accept investors' orders
for purchases,  redemptions,  or exchanges  received earlier during the business
day.

EARLY NASDAQ CLOSINGS.  The normal close of trading of securities  listed on the
Nasdaq is 4:00 p.m.  While an infrequent  occurrence,  trading on the Nasdaq has
closed as much as 15 minutes  prior to the  normal  close  because  of  computer
systems failures. Early closing of the Nasdaq may result in a Fund, particularly
the OTC Plus Fund and the  OTC/Short  Fund,  being unable to execute buy or sell
orders on the Nasdaq that day. If that occurs and a Fund needs to execute a high
volume of trades  late in a trading  day, a Fund may incur  substantial  trading
losses.


                            INVESTMENT TECHNIQUES AND
                            OTHER INVESTMENT POLICIES

   
FUTURES CONTRACTS AND OPTIONS ON FUTURES CONTRACTS
Each Fund,  other than the Money Market Fund,  may purchase and sell stock index
futures contracts and options on such futures  contracts.  Each Fund, other than
the Money  Market Fund,  may purchase and sell futures and options  thereon as a
substitute for a comparable  market  position in the underlying  securities,  to
attempt to hedge or limit the  exposure of its  position,  to create a synthetic
money market position,  for certain  tax-related  purposes and to effect closing
transactions.



                                       14
<PAGE>

A futures  contract  obligates  the seller to deliver (and the purchaser to take
delivery of) the specified  security on the expiration date of the contract.  An
index  futures  contract  obligates  the seller to deliver (and the purchaser to
take) an amount of cash equal to a specific  dollar amount times the  difference
between  the value of a specific  index at the close of the last  trading day of
the contract and the price at which the agreement is made. No physical  delivery
of the underlying securities in the index is made.
    

When a Fund writes an option on a futures  contract,  it becomes  obligated,  in
return for the premium paid,  to assume a position in the futures  contract at a
specified  exercise  price at any time during the term of the option.  If a Fund
writes a call,  it  assumes a short  futures  position.  If it writes a put,  it
assumes a long futures position.  When the Fund purchases an option on a futures
contract,  it  acquires  the right in return for the premium it pays to assume a
position in a futures  contract  (a long  position if the option is a call and a
short position if the option is a put).

   
Whether a Fund  realizes a gain or loss from  futures  activities  depends  upon
movements  in the  underlying  security or index.  The extent of the Fund's loss
from an unhedged  short position in futures  contracts or from writing  unhedged
call  options on futures  contracts  is  potentially  unlimited.  The Funds only
purchase and sell futures  contracts and options on futures  contracts  that are
traded on a U.S. exchange or board of trade.

To the extent that a Fund enters into  futures  contracts  or options on futures
contracts  traded on an exchange  regulated  by the  Commodity  Futures  Trading
Commission ("CFTC"),  in each case other than for BONA FIDE hedging purposes (as
defined by the CFTC), the aggregate  initial margin and the premiums required to
establish   those   positions   (excluding  the  amount  by  which  options  are
"in-the-money"  at the time of purchase)  will not exceed 5% of the  liquidation
value of the Fund's portfolio,  after taking into account unrealized profits and
unrealized  losses on any contracts the Fund has entered  into.  (In general,  a
call  option  on a  futures  contract  is  "in-the-money"  if the  value  of the
underlying  futures  contract  exceeds the strike,  I.E.,  exercise price of the
call. A put option on a futures contract is  "in-the-money"  if the value of the
underlying  futures  contract is exceeded by the strike  price of the put.) This
policy does not limit to 5% the  percentage  of a Fund's assets that are at risk
in futures contracts and options on futures contracts.

OPTIONS ON INDICES AND SECURITIES
Each Fund,  other than the Money Market Fund, may purchase and sell put and call
options on stock indices and on individual securities. Each Fund, other than the
Money  Market  Fund,  may purchase and sell put and call options as a substitute
for a comparable  market  position in the underlying  securities,  to attempt to
hedge or limit the exposure of its position,  to create a synthetic money market
position, for certain tax-related purposes and to effect closing transactions.
    

An index fluctuates with changes in the market values of the securities included
in the index.  Options on indices give the holder the right to receive an amount
of cash upon  exercise  of the  option.  Receipt of this cash amount will depend
upon the closing level of the index upon which the option is based being greater
than  (in the case of a call)  or less  than  (in the case of put) the  exercise
price of the option. The amount of cash received, if any, will be the difference
between the  closing  price of the index and the  exercise  price of the option,
multiplied by a specified dollar multiple.  The writer (seller) of the option is
obligated, in return, for the premium received from the purchaser of the option,
to make  delivery  of  this  amount  to the  purchaser.  Unlike  the  option  on
securities discussed below, all settlements of index options transactions are in
cash.

Some stock index  options are based on a broad  market index such as the S&P 500
Index, the NYSE Composite Index or the AMEX Major Market Index, or on a narrower
index such the  Philadelphia  Stock  Exchange  Over-the-Counter  Index.  Options


                                       15
<PAGE>

currently are traded on the CBOE, the AMEX and other exchanges. Options also are
traded in the OTC  markets  and each Fund may buy and sell both  exchange-traded
and OTC options.

Each of the exchanges has established  limitations  governing the maximum number
of call or put  options  on the same  index  that may be bought or  written by a
single investor,  whether acting alone or in concert with others  (regardless of
whether such options are written on the same or different  exchanges or are held
or written on one or more accounts or through one or more brokers).  Under these
limitations,  option positions of all investment  companies  advised by the same
investment adviser are combined for purposes of these limits.  Pursuant to these
limitations,  an exchange may order the  liquidation of positions and may impose
other sanctions or restrictions.  These positions limits may restrict the number
of listed options that a Fund may buy or sell.

   
By buying a call option on a security,  a Fund has the right,  in return for the
premium paid, to buy the security  underlying the option at the exercise  price.
By writing  (selling) a call  option and  receiving  a premium,  a Fund  becomes
obligated  during the term of the option to deliver  securities  underlying  the
option at the exercise price if the option is exercised. By buying a put option,
a Fund has the right, in return for the premium, to sell the security underlying
the option at the  exercise  price.  By  writing a put  option,  a Fund  becomes
obligated  during the term of the option to purchase the  securities  underlying
the option at the exercise price.
    

Because options premiums paid or received by a Fund are small in relation to the
market value of the investments  underlying the options,  buying and selling put
and call options can be more speculative than investing directly in securities.

   
    

   
INDEXED SECURITIES
Each Fund (other than the Money Market Fund) may  purchase  indexed  securities,
which are  securities  the value of which varies  positively  or  negatively  in
relation to the value of other securities, securities indices or other financial
indicators,   consistent  with  its  investment  objective.  Indexed  securities
typically,  but not  always,  are debt  securities  or  deposits  whose value at
maturity or coupon rate is determined  by reference to a specific  instrument or
statistic.  The performance of indexed  securities  depends to a great extent on
the  performance  of the security or other  instrument to which they are indexed
and also may be  influenced  by interest  rate changes in the United  States and
abroad.  At the same time,  indexed  securities  are subject to the credit risks
associated  with the  issuer of the  security,  and  their  values  may  decline
substantially if the issuer's creditworthiness deteriorates.  Indexed securities
may be more volatile than the underlying instruments.
    

   
    

   
SHORT SALES
The  U.S./Short   Fund  and  the  OTC/Short  Fund  may  engage  in  short  sales
transactions  under which the Fund sells a security it does not own. To complete
such a  transaction,  the Fund must borrow the security to make  delivery to the
buyer. The Fund then is obligated to replace the security borrowed by purchasing
the security at the market price at the time of  replacement.  The price at such
time may be more or less than the price at which  the  security  was sold by the
Fund. Until the security is replaced,  the Fund is required to pay to the lender
amounts  equal to any dividends  that accrue during the period of the loan.  The
proceeds  of the short  sale  will be  retained  by the  broker,  to the  extent
necessary to meet the margin  requirements,  until the short  position is closed
out.
    

Until a Fund closes its short position or replaces the borrowed stock,  the Fund
will: (1) maintain an account  containing  cash or liquid assets at such a level
that (a) the amount deposited in the account plus that amount deposited with the
broker as  collateral  will equal the current  value of the stock sold short and


                                       16
<PAGE>

(b) the amount  deposited  in the  account  plus the amount  deposited  with the
broker as collateral  will not be less than the market value of the stock at the
time the stock was sold short; or (2) otherwise cover the Fund's short position.

   
The U.S.  Plus Fund and the OTC Plus Fund each may engage in short  sales if, at
the time of the short  sale,  the Fund owns or has the right to acquire an equal
amount of the stock being sold at no additional cost ("selling short against the
box").

AMERICAN DEPOSITORY RECEIPTS ("ADRS")
The OTC Plus Fund and the OTC/Short  Fund may invest in ADRs. The OTC/Short Fund
also may sell  these  securities  short.  ADRs are dollar  denominated  receipts
representing  interests in the securities of a foreign issuer,  which securities
may not  necessarily be denominated in the same currency as the securities  into
which they may be converted. ADRs are receipts typically issued by United States
banks and trust  companies  that  evidence  ownership of  underlying  securities
issued by a foreign corporation.
    

Investing in companies  located  abroad  carries  political  and economic  risks
distinct from those  associated  with  investing in the United  States.  Foreign
investments  may be  affected by actions of foreign  governments  adverse to the
interests of U.S.  investors,  including the  possibility  of  expropriation  or
nationalization  of  assets,   confiscatory   taxation,   restrictions  on  U.S.
investment,  or on the ability to repatriate  assets or to convert currency into
U.S.  dollars.  There  may  be a  greater  possibility  of  default  by  foreign
governments or foreign-government sponsored enterprises.  Investments in foreign
countries  also  involve  a  risk  of  local  political,   economic,  or  social
instability, military action or unrest, or adverse diplomatic developments.

   
U.S. GOVERNMENT SECURITIES
The Money Market Fund invests in U.S.  Government  Securities  in pursuit of its
investment objectives.  The other Funds may invest in U.S. Government Securities
in order to deposit such securities as initial or variation  margin,  as "cover"
for the  investment  techniques  they employ,  as part of a cash reserve and for
liquidity purposes. U.S. Government Securities include direct obligations of the
U.S. Treasury (such as Treasury bills, Treasury notes and Treasury bonds).
    

U.S. Government Securities are high-quality  instruments issued or guaranteed as
to principal or interest by the U.S. Treasury or by an agency or instrumentality
of the U.S.  Government.  Not all U.S.  Government  Securities are backed by the
full faith and credit of the United States.  Some are backed by the right of the
issuer to borrow  from the U.S.  Treasury;  others are  backed by  discretionary
authority of the U.S.  Government to purchase the agencies'  obligations;  while
others are supported only by the credit of the  instrumentality.  In the case of
securities  not backed by the full faith and  credit of the United  States,  the
investor  must look  principally  to the  agency  issuing  or  guaranteeing  the
obligation for ultimate repayment.

Yields on short-,  intermediate-  and long-term U.S.  Government  Securities are
dependent on a variety of factors, including the general conditions of the money
and bond  markets,  the size of a  particular  offering  and the maturity of the
obligation.  Debt  securities  with  longer  maturities  tend to produce  higher
capital  appreciation and depreciation than obligations with shorter  maturities
and lower  yields.  The market  value of U.S.  Government  Securities  generally
varies  inversely  with  changes in the market  interest  rates.  An increase in
interest rates,  therefore,  generally would reduce the market value of a Fund's
portfolio investments in U.S. Government Securities; while a decline in interest
rates  generally  would  increase  the  market  value  of  a  Fund's   portfolio
investments in these securities.



                                       17
<PAGE>

   
REPURCHASE AGREEMENTS
Under a repurchase  agreement,  a Fund purchases a U.S.  Government Security and
simultaneously  agrees to sell the  security  back to the  seller at a  mutually
agreed-upon  future price and date,  normally  one day or a few days later.  The
resale price is greater  than the  purchase  price,  reflecting  an  agreed-upon
market interest rate during the Fund's holding  period.  While the maturities of
the underlying securities in repurchase agreement  transactions may be more than
one year,  the term of each  repurchase  agreement  always will be less than one
year. Each Fund may enter into repurchase agreements with banks that are members
of the  Federal  Reserve  System or  securities  dealers  who are  members  of a
national   securities  exchange  or  are  primary  dealers  in  U.S.  Government
Securities.  The Adviser  monitors the  creditworthiness  of each firm that is a
party to a  repurchase  agreement  with any  Fund.  In the event of  default  or
bankruptcy by the seller, the Fund will liquidate those securities (whose market
value, including accrued interest,  must be at least 100% of the amount invested
by the Fund) held under the applicable  repurchase  agreement,  which securities
constitute collateral for the seller's obligation to repurchase the security.

ILLIQUID  INVESTMENTS  Each Fund may  purchase  and hold  illiquid  investments,
including securities that are not readily marketable and securities that are not
registered  ("restricted  securities")  under  the  Securities  Act of 1933,  as
amended  ("1933  Act'),  but  which  can  be  offered  and  sold  to  "qualified
institutional  buyers" pursuant to Rule 144A under the 1933 Act. A Fund will not
invest  more than 15% (10% with  respect  to the Money  Market  Fund) of its net
assets in illiquid investments. The term "illiquid investments" for this purpose
means  investments  that cannot be disposed of within seven days in the ordinary
course of  business at  approximately  the amount at which a Fund has valued the
investments.  Under the current SEC staff guidelines,  illiquid investments also
include  purchased  OTC  options,  certain  cover  for OTC  options,  repurchase
agreements  not  terminable  within  seven days and  restricted  securities  not
determined to be liquid pursuant to guidelines established by the Trustees.
    

OTHER INVESTMENT PRACTICES
The U.S.  Plus Fund and the OTC Plus Fund may  borrow for  investment  purposes.
Each Fund may borrow money as a temporary measure for extraordinary or emergency
purposes and to meet redemption  requests without  immediately selling portfolio
securities.  In addition,  each Fund may lend securities to  broker-dealers  and
financial  institutions,  provided that the borrower at all times maintains cash
collateral  in an  amount  equal to at  least  100% of the  market  value of the
securities  loaned.  Such loans will not be made if, as a result,  the aggregate
amount of all  outstanding  loans by any Fund  would  exceed 33 1/3% (10% in the
case  of the  Money  Market  Fund)  of its  total  assets.  For a more  detailed
discussion of these practices, see the SAI.


                             PORTFOLIO TRANSACTIONS
                                  AND BROKERAGE


   
The  Adviser  will place  orders to  execute  securities  transactions  that are
designed to implement each Fund's investment objective and policies.  In placing
such orders, the Adviser seeks the most favorable price and efficient  execution
available. In order to obtain brokerage and research services, however, a higher
commission  sometimes may be paid.  Brokerage  commissions  normally are paid on
exchange-traded securities transactions and on options and futures transactions.
    

When selecting a broker or dealer to execute portfolio transactions, the Adviser
considers  many  factors,  including  the rate of  commission or the size of the
broker-dealer's  "spread," the size and  difficulty of the order,  the nature of


                                       18
<PAGE>

the market for the security,  operational  capabilities of the broker-dealer and
the research,  statistical and economic data furnished by the  broker-dealer  to
the Adviser.  The Adviser may select one  broker-dealer  over  another  based on
whether the broker-dealer provides research services to the Adviser.


                           HOW TO INVEST IN THE FUNDS

GENERAL
- -------
The minimum initial investment is $10,000, which can be allocated in any amounts
among  the  Funds.  The  shares  of each Fund are  offered  at the daily  public
offering  price,  which is the net asset  value per share  next  computed  after
receipt of the  investor's  order.  SEE  "Determination  of Net Asset Value." No
sales charges are imposed on initial or subsequent  investments  in a Fund.  The
Trust  reserves the right to reject or refuse,  at the Trust's  discretion,  any
order for the purchase of a Fund's shares in part or whole.  The minimum  amount
for subsequent investments in a Fund is $1,000.

   
Investments in the Funds may be made (1) through securities dealers who have the
responsibility  to transmit  orders promptly and who may charge a processing fee
or (2)  directly  with the Trust  either by mail or bank  wire  transfer  to the
Trust's transfer agent, Firstar Mutual Fund Services,  LLC ("Transfer Agent") as
described below.

BY MAIL
You may purchase shares of a Fund directly by completing and signing the Account
Application  included  with the  Prospectus  and making  out a check  payable to
"Potomac  Funds".  Your  investment  will be  allocated  among  the Funds as you
specify on the Account  Application.  Mail the check,  along with the  completed
Account  Application,  to Potomac Funds, c/o Firstar Mutual Fund Services,  LLC,
P.O. Box 1993, Milwaukee, Wisconsin 53201-1993.

Completed  Account  Applications  and checks  also may be sent by  overnight  or
express  mail.  To ensure proper  delivery,  please use the  following  address:
Potomac Funds, c/o Firstar Mutual Fund Services,  LLC, Mutual Fund Services, 3rd
Floor, 615 East Michigan Street, Milwaukee, Wisconsin 53202.
    

Third party checks will not by accepted by the Funds.  All purchases  must be in
U.S.  Dollars.  A $25.00 fee will be imposed by the Transfer  Agent if any check
used for investment in an account does not clear due to insufficient funds.

BY BANK WIRE TRANSFER
To establish a new account by wire  transfer,  please call the Transfer Agent at
(800)  851-0511  to  obtain a  Potomac  Funds  account  number.  You must send a
completed  Account  Application  to the Trust at the above  address  immediately
following  the  investment.  Payment for Fund shares should be wired through the
Federal Reserve System as follows:


   
            Firstar Bank Milwaukee, N.A.
            777 East Wisconsin Avenue
            Milwaukee, Wisconsin 53202
            ABA number 0750-00022
            For credit to Firstar  Mutual  Fund  Services,  LLC  
            Account  Number 112-952-137  
            For  further  credit to the Potomac  Funds 
    


                                       19
<PAGE>

            Shareholder name: 
            Shareholder account number:

Your  bank may  charge a fee for such  services.  If the  purchase  is  canceled
because your wire transfer is not  received,  you may be liable for any the loss
the Trust may incur.

Physical  certificates  representing  a Fund's shares are not issued.  Shares of
each Fund are recorded on a register by the Transfer Agent.


                         TAX-DEFERRED RETIREMENT PLANS

   
The Trust offers individual  retirement  accounts ("IRAs"),  including Roth IRAs
that may be funded  with  purchases  of Fund shares and may allow  investors  to
defer tax on their income from amounts contributed to the IRAs. A description of
applicable   service  fees  and  certain   limitations  on   contributions   and
withdrawals,  as well as  Application  Forms,  are available from the Trust upon
request.
    


                         REDEEMING SHARES (WITHDRAWALS)


GENERAL
- -------
You may withdraw all or any part of your  investment by redeeming Fund shares at
the next  determined  net asset value per share after receipt of the order.  The
amount  received will depend on the market value of the  investments in a Fund's
portfolio at the time of determination  of net asset value.  Shares of the Funds
may be redeemed by written request or by telephone to the Transfer Agent subject
to the procedures  described  below.  When you redeem shares over the telephone,
those  redemption  proceeds  will be sent only to your address of record or to a
bank  account  specified in your Account  Application.  In addition,  redemption
proceeds  may be sent by  wire  transfer  to a bank  account  specified  in your
Account Application. The minimum amount of a wire transfer redemption is $5,000.
You will be charged $12.00 for wire redemptions to cover transaction costs.

If you request payment of redemption  proceeds to a third party or to a location
other than your  address of record or a bank  account  specified  in the Account
Application,  your request must be in writing and your signature guaranteed.  In
addition,  if you  request in  writing  redemption  of  $100,000  or more,  your
signature  must be  guaranteed.  A signature  guarantee  will be accepted from a
commercial bank,  savings  association,  securities  broker or dealer, or credit
union. A notary public cannot provide a signature guarantee.

Payment of redemption proceeds will be made within seven days following a Fund's
receipt of your request for redemption.  For investments  that have been made by
check, payment on redemption requests may be delayed until the Transfer Agent is
reasonably  satisfied that the purchase  payment has been collected by the Trust
(which  may  require  up to 10  business  days).  To  avoid  redemption  delays,
purchases  may be  made  by  cashiers  or  certified  check  or by  direct  wire
transfers.

   
The right of  redemption  may be suspended or the date of payment  postponed for
any period  during  which the NYSE,  the Nasdaq,  the CME,  or the CBOE,  or the
Federal  Reserve  Bank of New  York,  as  appropriate,  is  closed  (other  than
customary weekend or holiday  closings) or trading on the NYSE, the Nasdaq,  the
CME, or the CBOE, as  appropriate,  is  restricted.  In addition,  the rights of
redemption may be suspended or the date of payment  postponed for any Fund for a
period  during  which  an  emergency  exists  so  that  disposal  of the  Fund's



                                       20
<PAGE>

investments  or the  determination  of its net  asset  value  is not  reasonably
practicable  or  for a such  periods  as the  SEC,  by  order,  may  permit  for
protection of a Fund's investors.
    

DRAFT CHECKS
- ------------
Checkwriting  privileges  are  available  to investors in the Money Market Fund.
With a Money  Market Fund  checking  account,  shares may be redeemed  simply by
writing a check for $500 or more. The  redemption  will be made at the net asset
value next  determined  after the Transfer Agent presents the check to the Money
Market Fund.  A check should not be written to close an account.  There is a $25
charge  for each stop  payment  request on Money  Market  Fund  checks.  You are
subject to the same rules and regulations that banks apply to checking accounts.

LOW BALANCE ACCOUNTS
- --------------------
Because of the high cost of  maintaining  accounts with low balances,  it is the
Trust's policy to redeem  involuntarily Fund shares in any account,  including a
retirement account, if the account balance falls below $10,000 in total value in
the Trust.  This policy  does not apply to accounts  that fall below the minimum
balance  due to market  fluctuations.  The Trust will  provide 30 days'  written
notice to all such  shareholders  to bring the account balance up to the minimum
investment  required  or the Trust may redeem  shares in the account and pay the
proceeds to the shareholder.  A redemption from a tax-qualified  retirement plan
may  have  adverse  tax  consequences  and a  shareholder  contemplating  such a
redemption should consult his or her tax adviser.

                                    EXCHANGES

Shares of a Fund may be exchanged,  without any charge,  for shares of any other
Fund on the basis of the  respective  net asset  values of the shares  involved.
Exchanges  may be effected by written  request or by  telephone  to the Transfer
Agent subject to the procedures described below.  Exchanges must be for at least
the lesser of $1,000 or the entire  account  balance for the Fund from which the
exchange is made.


   
    
                           PROCEDURES FOR REDEMPTIONS
                                  AND EXCHANGES


GENERAL
- -------
In  requesting a redemption or exchange,  you should  provide your account name,
account  number,  the number of or  percentage  of shares or the dollar value of
shares to be exchanged or redeemed,  as  applicable,  and the names of the Funds
involved. Exchanges may only be made between identically registered accounts. In
addition,  any written request must be signed by a shareholder and all co-owners
of the  account  with  exactly the same name or names used in  establishing  the
account.

   
BY MAIL
- -------
Requests for  redemptions  and  exchanges may be made in writing and directed to
the  Potomac  Funds,  c/o Firstar  Mutual  Fund  Services,  LLC,  P.O.  Box 1993
Milwaukee,  Wisconsin  53201-1993.  Any such requests sent  overnight or express
mail should be directed to the Potomac Funds,  c/o Firstar Mutual Fund Services,
LLC,  Mutual Fund  Services,  3rd Floor,  615 East Michigan  Street,  Milwaukee,
Wisconsin 53202.
    



                                       21
<PAGE>

BY TELEPHONE
You may redeem or exchange  Funds shares by calling the Transfer  Agent at (800)
851-0511.  Shares may be redeemed by telephone only if your Account  Application
reflects  that  option.  Telephone  requests may be made only between 9:00 a.m.,
Eastern time, and the times listed below. For telephone  exchanges,  the closing
time is the  earlier  closing  time  below  of the  two  Funds  involved  in the
exchange:

   
                    U.S. Plus Fund          3:40 p.m.
                    U.S./Short Fund         3:40 p.m.
                    OTC Plus Fund           3:40 p.m.
                    OTC/Short Fund          3:40 p.m.
                    Money Market Fund       4:00 p.m.
    

TELEPHONE  REDEMPTION  AND  EXCHANGE  ORDERS  WILL BE  ACCEPTED  ONLY DURING THE
PERIODS INDICATED ABOVE.

By establishing such telephone services, you authorize the Funds or their agents
to act upon  verbal  instructions  to redeem or  exchange  Fund  shares  for any
account  for which such  service  has been  authorized.  In an effort to prevent
unauthorized or fraudulent telephone  transaction  requests,  the transfer agent
will employ  reasonable  procedures  specified by the Funds to confirm that such
instructions  are genuine.  For instance,  the Transfer  Agent will require some
form of personal  identification  prior to acting upon  telephone  instructions,
provide  written  confirmation  after such  transactions,  and record  telephone
instructions.  When acting on  instructions  believed to be genuine,  the Trust,
Adviser,  Transfer Agent and their trustees,  directors,  officers and employees
are not liable for any loss  resulting from a fraudulent  telephone  transaction
request  and the  investor  will bear the risk of loss.  To the extent  that the
Trust,  Adviser,  Transfer  Agent and their  trustees,  directors,  officers and
employees do not employ such  procedures,  some or all of them may be liable for
losses due to unauthorized or fraudulent transactions.  You also should be aware
that telephone redemption or exchanges may be difficult to implement in a timely
manner during periods of drastic economic or markets changes. If such conditions
occur, redemption or exchange orders can be made by mail.


                        DETERMINATION OF NET ASSET VALUE

   
The net asset value per share of the U.S. Plus Fund,  the  U.S./Short  Fund, the
OTC Plus Fund and the OTC/Short Fund is determined as of 4:15 p.m. Eastern time,
fifteen  minutes after the close of normal trading on the NYSE  (currently  4:00
p.m.,  Eastern  time) each day the NYSE is open for  business.  The Money Market
Fund's net asset value per share is  determined  as of 1:00 p.m.,  Eastern time,
each day  that  both  the  NYSE  and the  Federal  Bank of New York are open for
business.
    

A Fund's net asset value  serves as the basis for the  purchase  and  redemption
price of its shares.  The net asset value per share of a Fund is  calculated  by
dividing the market value of the Fund's  securities  plus the value of its other
assets,  less all liabilities,  by the number of outstanding shares of the Fund.
If market  quotations  are not readily  available,  a security will be valued at
fair value by the  Trustees  or by the  Adviser  using  methods  established  or
ratified by the Trustees.

The Money  Market  Fund will  utilize the  amortized  cost method in valuing its
portfolio  securities.  This  method  involves  valuing a  security  at its cost
adjusted by a constant  amortization  to  maturity  of any  discount or premium,
regardless of the impact of  fluctuating  interest  rates on the market value of
the  instrument.  The purpose of this method of calculation is to facilitate the
maintenance of a constant net asset value per share for the Money Market Fund of
$1.00.  However,  there is no assurance that the $1.00 net asset value per share


                                       22
<PAGE>

will be maintained.  For further  information on valuing the Money Market Fund's
portfolio securities, SEE "Determination of Net Asset Value" in the SAI.

For  purposes of  determining  net asset value per share of a Fund,  options and
futures  contracts  are valued at the closing  prices of the  exchanges on which
they trade.  The value of a futures  contract equals the unrealized gain or loss
on the  contract  that is  determined  by marking  the  contract  to the current
settlement  price for a like  contract  acquired on the day on which the futures
contract  is being  valued.  The  value  of  options  on  futures  contracts  is
determined based upon the current settlement price for a like option acquired on
the day on which the option is being valued.  A settlement price may not be used
for the foregoing  purposes if the market makes a limited move with respect to a
particular commodity.

   
OTC  securities  held by a Fund will be valued at the last sales price or, if no
sales price is reported,  the mean of the last bid and asked price is used.  The
portfolio  securities of a Fund that are listed on national exchanges are valued
at the last sales price of such securities;  if no sales price is reported,  the
mean of the  last  bid and  asked  price  is used.  Dividend  income  and  other
distributions are recorded on the ex-distribution date.
    

Illiquid  securities,  securities  for  which  reliable  quotations  or  pricing
services  are not  readily  available,  and  all  other  assets  not  valued  in
accordance with the foregoing principles will be valued at their respective fair
value as determined in good faith by, or under  procedures  established  by, the
Trustees,   which   procedures   may   include   the   delegation   of   certain
responsibilities  regarding  valuation  to the  Adviser or the  officers  of the
Trust. The officers of the Trust report, as necessary, to the Trustees regarding
portfolio valuation determinations. The Trustees, from time to time, will review
these methods of valuation and will  recommend  changes that may be necessary to
assure that the investments of the Funds are valued at fair value.


                             PERFORMANCE INFORMATION

TOTAL RETURN
From time to time each Fund may  advertise  its average  annual total return and
compare its  performance  to that of other mutual funds with similar  investment
objectives  and  to  relevant  indices.   Performance  information  is  computed
separately for those Funds in accordance with the methods discussed below.

Each Fund may include the total return of its shares in  advertisements or other
written material. When a Fund advertises the total return of its shares, it will
be calculated for the one-, five-, and ten-year periods or, if such periods have
not yet elapsed,  the period since the  establishment of that Fund. Total return
is measured by comparing  the value of an  investment in a Fund at the beginning
of the relevant period to the redemption value of the investment in that Fund at
the end of the period  (assuming  reinvestment  of any  dividends  capital  gain
distributions at net asset value). For more information on Fund performance, SEE
"Performance Information" in the SAI.

YIELD
From time to time the Money  Market Fund may  advertise  "yield" and  "effective
yield." The Money Market Fund's yield figure is based on historical earnings and
is not intended to indicate  future  performance.  The yield of the Money Market
Fund  refers  to the  income  generated  by an  investment  in the  Fund  over a
seven-day  period.  This income is then  "annualized."  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 average yield because of the compounding  effect of this assumed
reinvestment. SEE "Performance Information - Yield Computations" in the SAI.




                                       23
<PAGE>

                        DIVIDENDS AND OTHER DISTRIBUTIONS

   
Each  Fund,  except  the  Money  Market  Fund,  intends  to  distribute  to  its
shareholders annually all of its net investment income, and net realized capital
gains.  The  Money  Market  Fund  ordinarily  will  declare  dividends  from net
investment income on a daily basis and distribute those dividends  monthly.  All
income  dividends  and  distributions  of net capital gains of each Fund will be
automatically reinvested in additional shares of the Fund at the net asset value
calculated on the ex-distribution date, unless you request otherwise in writing.
Dividends and other distributions of a Fund are taxable to its shareholders,  as
discussed  below under  "Taxes,"  whether the  distributions  are  reinvested in
additional  shares or are received in cash. You will receive a statement of your
account at least quarterly.
    


                                      TAXES

   
Each Fund is treated as a separate  corporation  for Federal income tax purposes
and will  seek to  qualify  as a  regulated  investment  company  ("RIC")  under
Subchapter M of the Internal Revenue Code of 1986, as amended ("Code").  Because
of the  investment  strategies  of each Fund other than the Money  Market  Fund,
there can be no assurance that any such Fund will qualify as a RIC. If a Fund so
qualifies  and  satisfies  the  distribution  requirement  under  the Code for a
taxable year,  the Fund will not be subject to Federal income tax on the part of
its investment  company taxable income  (generally  consisting of net investment
income and net short-term capital gains) and net capital gain (the excess of net
long-term  capital gain over net short-term  capital loss) it distributes to its
shareholders  for that year. If a Fund fails to qualify as a RIC for any taxable
year, its taxable income, including net capital gain, will be taxed at corporate
income  tax  rates  (up  to  35%)  and it  will  not  receive  a  deduction  for
distributions to its shareholders.
    

   
Dividends  distributed by the Fund  (including  distributions  of net short-term
capital  gain),  if  any,  are  taxable  income,  if  any,  are  taxable  to its
shareholders  as  ordinary  income  regardless  of  whether  the  dividends  are
reinvested  in Fund shares or received  in cash.  Distributions  of a Fund's net
capital gain (i.e., the excess of net long-term gain over net short-term capital
loss,  if any,  are taxable to its  shareholders  as  long-term  capital  gains,
regardless  of how long  they  have held  their  Fund  shares  and  whether  the
distributions are reinvested in Fund shares or received in cash. A shareholder's
sale  (redemption)  of Fund shares may result in a taxable  gain,  depending  on
whether the redemption proceeds are more or less than the adjusted basis for the
shares.  An exchange of Fund shares for shares of another portfolio of the Trust
generally will have similar consequences.
    


                                       24
<PAGE>

   
Shareholders  are required by law to certify that their taxpayer  identification
number ("TIN") is correct and that they are not subject to back-up  withholding.
Each  Fund  is  required  to  withhold  31%  of  all  dividends,   capital  gain
distributions,   and  redemption  proceeds  payable  to  individuals  and  other
non-corporate  shareholders  who do not  provide  the Fund with a  correct  TIN.
Withholding  at that rate also is  required  from  dividends  and  capital  gain
distributions  payable to such  shareholders who otherwise are subject to backup
withholding.
    

Because the foregoing only summarizes  some of the important  federal income tax
considerations  affecting  the  Funds  and their  shareholders,  please  see the
discussion  in the SAI.  Prospective  investors  are urged to consult  their tax
advisers.



                   MANAGEMENT AND ADMINISTRATION OF THE TRUST

BOARD OF TRUSTEES
The  business  and affairs of each Fund are managed  under the  direction of the
Trustees. The Trustees are responsible for the general supervision of the Funds'
business  affairs and for exercising all the Funds' powers except those reserved
to  the   shareholders.   The  day-to-day   operations  of  the  Funds  are  the
responsibility of the Trust's officers.

   
INVESTMENT  ADVISER  Rafferty  Asset  Management,  LLC, 550  Mamaroneck  Avenue,
Harrison,  New York 10528,  provides investment advice to the Funds. The Adviser
has been  registered as an investment  adviser since June 1997 and was organized
as a New York limited  liability  corporation in May 1997.  Lawrence C. Rafferty
owns a controlling interest in the Adviser.
    

The Adviser  manages the  investment  of the assets of each Fund,  in accordance
with its investment objective, policies and limitations,  subject to the general
supervision  and control of the  Trustees  and the  officers  of the Trust.  The
Adviser bears all costs  associated with providing  these advisory  services and
the  expenses of the  Trustees who are  affiliated  persons of the Adviser.  The
Adviser,  from its own resources,  also may make payments to broker-dealers  and
other  financial   institutions  for  their  expenses  in  connection  with  the
distribution of Fund shares, and otherwise currently pays all distribution costs
for Fund shares.

   
Under an investment agreement between the Trust and the Adviser,  each Fund pays
the Adviser a fee at an annualized  rate, based on a percentage of its daily net
assets:  0.75% for the U.S.  Plus  Fund,  and the OTC Plus  Fund;  0.90% for the
U.S./Short Fund, and the OTC/Short Fund; and 0.50% for the Money Market Fund.
    

PORTFOLIO MANAGEMENT
Each Fund, except for the OTC Plus Fund and the OTC/Short Fund, is managed by an
investment committee,  which is responsible for the investment activities of the
Funds.

   
James T. Apple is the portfolio  manager for the OTC Plus Fund and the OTC/Short
Fund.  From 1992 to  December  1993,  he was  Director  of  Investments  for The
Rushmore  Funds,  Inc. From  February 1994 to May 1997,  Mr. Apple was portfolio


                                       25
<PAGE>

manager  for the Rydex OTC Fund,  which  seeks to match the  performance  of the
Nasdaq Index, and the U.S. Government Bond Fund.

ADMINISTRATOR 
The Trust has entered into an  Administrative  Services  Agreement  with Firstar
Mutual Fund Services,  LLC ("Administrator") that obligates the Administrator to
provide  the Funds  with  administrative  and  management  services,  other than
investment advisory services. As compensation for these services, the Trust pays
the Administrator a fee of .06% of the first $200,000,000 of the Trust's average
daily net  assets,  .05% of the next  $300,000,000  of the  Trust's  average net
assets,  and .03% of the Trust's  average net assets in excess of  $500,000,000.
Notwithstanding the foregoing,  the  Administrator's  minimum annual fee paid by
the Trust is $150,000.

DISTRIBUTOR
Rafferty Capital Markets, Inc.  ('Distributor") 550 Mamaroneck Avenue, Harrison,
New York 10528,  serves as the distributor of the Funds' shares. The Distributor
has  entered  into  dealer  agreements  with  participating   dealers  who  will
distribute shares of the Funds.

TRANSFER AGENT AND CUSTODIAN
Firstar  Mutual  Fund  Services,  LLC,  615  East  Michigan  Street,  Milwaukee,
Wisconsin 53202, serves as the transfer agent of the Trust.

Firstar Bank Milwaukee,  N.A., 614 East Michigan  Street,  Milwaukee,  Wisconsin
53202, serves as the custodian of the portfolio securities of the Trust.

INDEPENDENT ACCOUNTANTS
PricewaterhouseCoopers  LLP, 100 East Wisconsin Avenue,  Suite 1500,  Milwaukee,
Wisconsin  53202,  are the auditors of and the  independent  accountants for the
Trust.
    

                       GENERAL INFORMATION ABOUT THE TRUST

   
ORGANIZATION OF THE TRUST AND VOTING RIGHTS
The Trust was organized as a  Massachusetts  business trust on June 6, 1997, and
registered with the SEC as an open-end  management  investment company under the
1940 Act. The Trust may issue unlimited  shares of beneficial  interest,  no par
value,  in such  separate  and  distinct  series  and  classes  of shares as the
Trustees shall from time to time establish.
    

Fund shares have equal voting rights.  Only shares of a particular Fund may vote
on  matters  affecting  that  Fund.  All  shares  of the Trust  vote on  matters
affecting  the Trust as a whole and to elect  Trustees.  Share voting rights are
not cumulative,  and shares have no preemptive or conversion  rights.  Shares of
the Trust are nontransferable.

As a Massachusetts  business trust, the Trust is not obligated to conduct annual
shareholder meetings.  However, the Trust will hold special shareholder meetings
whenever  required  to do so under the  Federal  securities  laws or the Trust's
Declaration  of Trust or its  By-Laws.  Shareholders  may remove  Trustees  from
office by votes cast at a special meeting of  shareholders.  If requested by the
shareholders  of at  least  10% of the  outstanding  shares  of the  Trust,  the
Trustees will call a special meeting of shareholders to vote on the removal of a
Trustee and will assist in communications with other shareholders.



                                       26
<PAGE>

FUND EXPENSES
Expenses of the Trust that are not directly attributable to a Fund are typically
allocated among the Funds in proportion to their  respective net assets,  number
of shareholder accounts,  or net sales, where applicable.  Each Fund pays all of
its own expenses.  These expenses  include  organizational  costs,  expenses for
legal accounting and auditing  services,  preparing  (including  typesetting and
printing) reports, prospectuses, supplements thereto and notices to its existing
shareholders,  advisory and management  fees, fees and expenses of the custodian
and transfer and dividend  disbursing  agents, the distribution fee, the expense
of issuing  and  redeeming  shares,  the cost of  registering  shares  under the
Federal and state laws,  shareholder  meeting  and  related  proxy  solicitation
expenses, the fees and out-of-pocket expenses of Trustees who are not affiliated
with the Adviser,  insurance,  brokerage costs,  litigation,  and other expenses
properly payable by the Funds.

CLASSIFICATION OF THE FUNDS
Each Fund (other than the Money  Market Fund) is a  "non-diversified"  series of
the Trust  pursuant  to the 1940  Act.  A Fund is  considered  "non-diversified"
because  a  relatively  high  percentage  of  its  assets  may be  invested  the
securities of a limited number of issuers, primarily within same the industry or
economic sector. A non-diversified Fund's portfolio securities,  therefore,  may
be more susceptible to any single economic,  political, or regulatory occurrence
than the portfolio securities of a diversified investment company.

A Fund's classification as a "non-diversified" investment company means that the
proportion  of its assets  that may be invested  in the  securities  of a single
issuer is not limited by the 1940 Act. Each Fund, however, intends to qualify as
a RIC. This  requires,  among other  things,  that each Fund, at the end of each
quarter of its tax year, meet certain diversification standards.

CONCENTRATION OF INVESTMENTS
The OTC Plus Fund and the OTC/Short  Fund generally do not intend to concentrate
more than 25% of their respective investments in a particular industry. However,
because  these Funds seek  investment  results that  correspond  to 125% and the
inverse,  respectively,  of the  performance of the Nasdaq Index,  the Funds may
invest more than 25% of their assets in  securities  of issuers in one industry.
When a Fund  concentrates its investments in an industry,  financial,  economic,
business and other  developments  affecting issuers in that industry will have a
greater effect on the Fund than if the Fund had not  concentrated  its assets in
that industry.  Accordingly,  the performance of these Funds may be subject to a
greater  risk of  market  fluctuation  than that of a fund  invested  in a wider
spectrum of industries.

DISTRIBUTION OF FUND SHARES
The Funds have adopted a distribution  plan (the "Plan")  pursuant to Rule 12b-1
under the 1940 Act.  The Plan  provides  that  each  Fund  will  compensate  the
Distributor  for certain  expenses  incurred in the  distribution of that Fund's
shares and the servicing and maintenance of existing Fund shareholder  accounts.
However,  the Trustees have not  authorized  payment of any fees pursuant to the
Plan.

MASTER/FEEDER OPTION
The Trust may in the future  seek to achieve a Fund's  investment  objective  by
investing  all net assets of that Fund  ("Feeder  Fund") in  another  investment
company ("Master Fund") having the same investment  objective and  substantially
the same investment  policies and restrictions as those applicable to the Feeder
Fund.  It is expected than any such  investment  company would be managed by the
Adviser in  substantially  the same manner as the Feeder  Fund.  If permitted by
applicable laws and policies then in effect,  any such investment may be made in
the sole discretion of the Trustees  without further approval of shareholders of
the Funds.  However, the Funds' shareholders will be given 30 days' prior notice
of any such  investment.  Such  investment  would be made  only if the  Trustees
determine it to be in the best interests of the Funds and their shareholders. In


                                       27
<PAGE>

making that determination,  the Trustees will consider,  among other things, the
benefits to  shareholders  and/or the  opportunity  to reduce  costs and achieve
operational  efficiencies.  No  assurance  can  be  given  that  costs  will  be
materially reduced if this option is implemented.

SHAREHOLDER INQUIRIES
Shareholder inquiries can be made by telephone to the Trust at (800) 851-0511.



NO  PERSON  HAS  BEEN  AUTHORIZED  TO  GIVE  ANY  INFORMATION  OR  TO  MAKE  ANY
REPRESENTATION  NOT  CONTAINED IN THIS  PROSPECTUS,  OR IN THE SAI  INCORPORATED
HEREIN BY  REFERENCE,  IN CONNECTION  WITH THE OFFERING MADE BY THIS  PROSPECTUS
AND, IF GIVEN OR MADE, SUCH INFORMATION OR PRESENTATIONS MUST NOT BE RELIED UPON
AS HAVING BEEN  AUTHORIZED BY THE TRUST.  THIS PROSPECTUS DOES NOT CONSTITUTE AN
OFFERING  BY THE TRUST IN ANY  JURISDICTION  IN WHICH SUCH AN  OFFERING  MAY NOT
LAWFULLY BE MADE.





                                       28

<PAGE>
                                  POTOMAC FUNDS
                       STATEMENT OF ADDITIONAL INFORMATION

                             100 South Royal Street
                           Alexandria, Virginia 22314

                              550 Mamaroneck Avenue
                            Harrison, New York 10528

                                 (800) 851-0511


   
The Potomac Funds (the "Trust") is a no-load management  investment  company, or
mutual fund, which offers to the public five separate investment portfolios (the
"Funds").  The Funds are designed  principally  for  experienced  investors  who
intend to follow an asset  allocation  strategy.  The Funds are not designed for
inexperienced or less sophisticated investors. An important feature of the Trust
is that it  primarily  consists  of pairs of  Funds,  one of which  attempts  to
provide  results  correlating to a specific  index,  while the other attempts to
provide  inverse  performance,  that  is,  similar  to a short  position  in the
specific index. In particular,  the following Funds seek investment results that
correspond over time to the following benchmarks:
    

FUND                      BENCHMARK
Potomac U.S. Plus  Fund   150%  of the  performance of the Standard & Poor's 500
                          Composite Stock Price Index(TRADEMARK)
Potomac U.S./Short Fund   Inverse  (opposite)  of  the  Standard  &  Poor's  500
                          Composite Stock Price Index(TRADEMARK)
Potomac OTC Plus Fund     125%  of  the  performance  of  the  Nasdaq  100 Stock
                          Index(TRADEMARK)
Potomac OTC/Short Fund    Inverse   (opposite)  of    the   Nasdaq  100    Stock
                          Index(TRADEMARK)

The Trust also offers the Potomac U.S. Government Money Market Fund, which seeks
security of principal,  current  income and liquidity by investing  primarily in
money market instruments issued or guaranteed,  as to principal and interest, by
the U.S.  Government,  its  agencies  or  instrumentalities.  The Fund  seeks to
maintain a constant  $1.00 net asset  value per share,  although  this cannot be
assured.  Shares of this Fund are not deposits or obligations,  or guaranteed or
endorsed by, the Federal  Deposit  Insurance  Corporation,  the Federal  Reserve
Board or any other agency.  An  investment  in this Fund is neither  insured nor
guaranteed by the United States Government.

   
This Statement of Additional Information is not a prospectus.  It should be read
in conjunction with the Trust's  Prospectus dated January 1, 1999. A copy of the
Prospectus  is  available,  without  charge,  upon  request  to the Trust at the
address or telephone number above.


            STATEMENT OF ADDITIONAL INFORMATION DATED JANUARY 1, 1999
    


<PAGE>


                                TABLE OF CONTENTS


                                                                            Page
                                                                            ----


   
THE POTOMAC FUNDS..............................................................3

INVESTMENT POLICIES AND TECHNIQUES.............................................3

   General.....................................................................3
   Options, Futures and Other Strategies.......................................3
   U.S. Government Securities..................................................8
   Indexed Securities..........................................................8
   American Depository Receipts ("ADRs").......................................8
   Repurchase Agreements.......................................................9
   Borrowing...................................................................9
   Lending Portfolio Securities...............................................10
   Investments in Other Investment Companies..................................10
   Illiquid Investments and Restricted Securities.............................10
   Portfolio Turnover.........................................................11

INVESTMENT RESTRICTIONS.......................................................12

PORTFOLIO TRANSACTIONS AND BROKERAGE..........................................15

MANAGEMENT OF THE TRUST.......................................................16

   Trustees and Officers......................................................16
   Investment Adviser.........................................................19
   Fund Administrator, Fund Accountant, Transfer Agent and Custodian..........20
   Distributor................................................................21
   Distribution Plan..........................................................21
   Independent Accountants....................................................21

DETERMINATION OF NET ASSET VALUE..............................................22

PERFORMANCE INFORMATION.......................................................22

   Comparative Information....................................................23
   Total Return Computations..................................................23
   Yield Computations.........................................................25

DIVIDENDS, OTHER DISTRIBUTIONS AND TAXES......................................25

FINANCIAL STATEMENTS..........................................................27
    




                                       2
<PAGE>



                                THE POTOMAC FUNDS

The Trust is a  Massachusetts  business  trust  organized on June 6, 1997 and is
registered  with the Securities and Exchange  Commission  ("SEC") as an open-end
management  investment  company  under the  Investment  Company Act of 1940,  as
amended ("1940 Act").  The Trust  currently  offers five separate  series to the
public:  the Potomac U.S. Plus Fund ("U.S. Plus Fund"),  the Potomac  U.S./Short
Fund ("U.S.  Short  Fund"),  the Potomac  OTC Plus Fund ("OTC Plus  Fund"),  the
Potomac OTC/Short Fund ("OTC/Short Fund") and the Potomac U.S.  Government Money
Market Fund ("Money  Market Fund")  (collectively,  the "Funds").  The Trust may
offer additional series in the future.

The Funds are designed  principally for experienced  investors  seeking an asset
allocation  vehicle.  Except  for the  Money  Market  Fund,  the  Funds  provide
investment  exposure to various securities  markets.  Each Fund seeks investment
results that correspond over time to a specific benchmark.  The terms "long" and
"short" in the Funds'  names are not  intended  to refer to the  duration of the
Funds'  investment  portfolios.  The  Funds  may  be  used  independently  or in
combination with each other as part of an overall strategy.


                       INVESTMENT POLICIES AND TECHNIQUES

GENERAL 
The following  information  supplements  the discussion in the Prospectus of the
investment objective, policies and limitations of each Fund. Please refer to the
sections   entitled   "Investment   Objectives  and  Policies"  and  "Investment
Techniques and Other Investment  Policies" in the Prospectus for a discussion of
the investment  objectives and policies of the Funds. Rafferty Asset Management,
LLC (the "Adviser") serves as each Fund's investment adviser.  Capitalized terms
not  otherwise  defined  herein  shall have the same  meaning as assigned in the
Prospectus.

The Funds may engage in the investment  strategies  discussed below. There is no
assurance  that any of these  strategies or any other  strategies and methods of
investment  available  to a Fund will  result in the  achievement  of the Fund's
objectives.

OPTIONS, FUTURES AND OTHER STRATEGIES

   
GENERAL. As discussed in the Prospectus,  each Fund (other than the Money Market
Fund) may use  certain  options,  futures  contracts  (sometimes  referred to as
"futures")   and  options  on  futures   contracts   (collectively,   "Financial
Instruments") as a substitute for a comparable market position in the underlying
security,  to attempt to hedge or limit the  exposure of a Fund's  position,  to
create a synthetic money market position,  for certain tax-related  purposes and
to effect closing transactions.
    

The use of Financial  Instruments  is subject to applicable  regulations  of the
SEC, the several  exchanges upon which they are traded and the Commodity Futures
Trading Commission (the "CFTC"). In addition,  a Fund's ability to use Financial
Instruments  will  be  limited  by tax  considerations.  See  "Dividends,  Other
Distributions and Taxes."

In addition to the instruments,  strategies and risks described below and in the
Prospectus, the Adviser may discover additional opportunities in connection with
Financial  Instruments  and  other  similar  or  related  techniques.  These new


                                       3
<PAGE>


opportunities  may become available as the Adviser  develops new techniques,  as
regulatory  authorities  broaden the range of permitted  transactions and as new
Financial Instruments or other techniques are developed. The Adviser may utilize
these  opportunities  to the  extent  that  they  are  consistent  with a Fund's
investment  objective  and  permitted  by a Fund's  investment  limitations  and
applicable  regulatory  authorities.  The  Funds'  Prospectus  or  SAI  will  be
supplemented  to the extent that new products or techniques  involve  materially
different risks than those described below or in the Prospectus.

SPECIAL RISKS. The use of Financial Instruments involves special  considerations
and risks,  certain of which are described below. Risks pertaining to particular
Financial Instruments are described in the sections that follow.

(1)  Successful  use of most Financial  Instruments  depends upon the Adviser's
ability to predict movements of the overall securities  markets,  which requires
different skills than predicting changes in the prices of individual securities.
There can be no assurance that any particular strategy will succeed.

(2)  Options  and futures prices can diverge from the prices of their underlying
instruments.  Options and futures prices are affected by such factors as current
and  anticipated  short-term  interest  rates,  changes  in  volatility  of  the
underlying  instrument and the time remaining until  expiration of the contract,
which may not affect security prices the same way.  Imperfect  correlation  also
may result from  differing  levels of demand in the options and futures  markets
and the  securities  markets,  from  structural  differences  in how options and
futures  and  securities  are  traded,   and  from  imposition  of  daily  price
fluctuation limits or trading halts.

(3)  As  described  below,  a Fund  might be  required  to  maintain  assets as
"cover,"  maintain  segregated  accounts or make margin  payments  when it takes
positions in Financial Instruments involving obligations to third parties (e.g.,
Financial  Instruments other than purchased  options).  If a Fund were unable to
close out its positions in such Financial  Instruments,  it might be required to
continue to maintain  such  assets or accounts or make such  payments  until the
position expired or matured. These requirements might impair a Fund's ability to
sell a  portfolio  security  or  make an  investment  at a time  when  it  would
otherwise  be  favorable  to do so,  or  require  that a Fund  sell a  portfolio
security at a disadvantageous  time. A Fund's ability to close out a position in
a Financial  Instrument prior to expiration or maturity depends on the existence
of a liquid  secondary  market or, in the absence of such a market,  the ability
and willingness of the other party to the transaction  (the  "counterparty")  to
enter  into a  transaction  closing  out the  position.  Therefore,  there is no
assurance  that any  position  can be  closed  out at a time and  price  that is
favorable to a Fund.

   
COVER.  Transactions using Financial Instruments,  other than purchased options,
expose a Fund to an obligation to another  party. A Fund will not enter into any
such transactions unless it owns either (1) an offsetting  ("covered")  position
in  securities  or other  options  or futures  contracts  or (2) cash and liquid
assets with a value,  marked-to-market  daily, sufficient to cover its potential
obligations  to the extent not covered as provided in (1) above.  Each Fund will
comply with SEC guidelines  regarding  cover for these  instruments and will, if
the  guidelines  so require,  set aside cash or liquid assets in an account with
its custodian,  Firstar Bank Milwaukee,  N.A.  ("Custodian"),  in the prescribed
amount as determined daily.
    

Assets used as cover or held in an account  cannot be sold while the position in
the  corresponding  Financial  Instrument is open, unless they are replaced with
other appropriate  assets.  As a result,  the commitment of a large portion of a


                                       4
<PAGE>


Fund's  assets to cover or accounts  could impede  portfolio  management  or the
Fund's ability to meet redemption requests or other current obligations.

OPTIONS.  The value of an option position will reflect,  among other things, the
current market value of the  underlying  investment,  the time  remaining  until
expiration,  the  relationship  of the exercise price to the market price of the
underlying  investment  and  general  market  conditions.  Options  that  expire
unexercised have no value.

A Fund may  effectively  terminate  its right or  obligation  under an option by
entering  into a closing  transaction.  For example,  a Fund may  terminate  its
obligation  under a call or put  option  that it had  written by  purchasing  an
identical call or put option;  this is known as a closing purchase  transaction.
Conversely,  a Fund may  terminate  a  position  in a put or call  option it had
purchased by writing an identical put or call option; this is known as a closing
sale transaction. Closing transactions permit a Fund to realize profits or limit
losses on an option position prior to its exercise or expiration.

RISKS OF OPTIONS ON SECURITIES. Exchange-traded options in the United States are
issued by a clearing  organization  affiliated  with the  exchange  on which the
option is listed that, in effect, guarantees completion of every exchange-traded
option transaction. In contrast,  over-the-counter ("OTC") options are contracts
between a Fund and its counterparty (usually a securities dealer or a bank) with
no clearing organization  guarantee.  Thus, when a Fund purchases an OTC option,
it relies on the counterparty  from whom it purchased the option to make or take
delivery of the underlying  investment  upon exercise of the option.  Failure by
the  counterparty  to do so would  result in the loss of any premium paid by the
Fund as well as the loss of any expected benefit of the transaction.

A Fund's ability to establish and close out positions in exchange-traded options
depends on the existence of a liquid market.  However, there can be no assurance
that such a market will exist at any particular time.  Closing  transactions can
be made for OTC options only by negotiating  directly with the counterparty,  or
by a transaction in the secondary market if any such market exists. There can be
no  assurance  that a Fund  will in fact be  able  to  close  out an OTC  option
position at a favorable price prior to expiration. In the event of insolvency of
the counterparty,  a Fund might be unable to close out an OTC option position at
any time prior to its expiration.

If a Fund  were  unable to  effect a  closing  transaction  for an option it had
purchased,  it would have to  exercise  the option to realize  any  profit.  The
inability to enter into a closing purchase transaction for a covered call option
written by a Fund could cause  material  losses because the Fund would be unable
to sell the  investment  used as cover for the written  option  until the option
expires or is exercised.

OPTIONS ON  INDICES.  Puts and calls on indices are similar to puts and calls on
securities or futures contracts except that all settlements are in cash and gain
or loss  depends  on  changes  in the  index in  question  rather  than on price
movements in individual  securities or futures  contracts.  When a Fund writes a
call on an index, it receives a premium and agrees that, prior to the expiration
date,  the purchaser of the call,  upon exercise of the call,  will receive from
the Fund an amount of cash if the closing level of the index upon which the call
is based is greater than the exercise  price of the call.  The amount of cash is
equal to the difference  between the closing price of the index and the exercise
price of the call times a specified  multiple  ("multiplier"),  which determines
the total value for each point of such difference. When a Fund buys a call on an


                                       5
<PAGE>


index,  it pays a premium and has the same rights to such call as are  indicated
above.  When a Fund buys a put on an index, it pays a premium and has the right,
prior to the expiration  date, to require the seller of the put, upon the Fund's
exercise  of the put,  to deliver  to the Fund an amount of cash if the  closing
level of the index upon which the put is based is less than the  exercise  price
of the put, which amount of cash is determined by the  multiplier,  as described
above for calls. When a Fund writes a put on an index, it receives a premium and
the purchaser of the put has the right, prior to the expiration date, to require
the Fund to deliver to it an amount of cash equal to the difference  between the
closing  level of the index and the exercise  price times the  multiplier if the
closing level is less than the exercise price.

RISKS OF  OPTIONS  ON  INDICES.  If a Fund has  purchased  an index  option  and
exercises it before the closing index value for that day is  available,  it runs
the risk that the level of the underlying index may subsequently change. If such
a change causes the exercised option to fall out-of-the-money,  the Fund will be
required to pay the difference  between the closing index value and the exercise
price of the option (times the applicable multiplier) to the assigned writer.

OTC OPTIONS. Unlike exchange-traded options, which are standardized with respect
to the underlying  instrument,  expiration date, contract size and strike price,
the terms of OTC  options  (options  not  traded  on  exchanges)  generally  are
established  through  negotiation  with the other party to the option  contract.
While this type of  arrangement  allows a Fund great  flexibility  to tailor the
option  to  its  needs,  OTC  options   generally   involve  greater  risk  than
exchange-traded  options,  which are guaranteed by the clearing  organization of
the exchanges where they are traded.

FUTURES  CONTRACTS  AND  OPTIONS  ON  FUTURES  CONTRACTS.  No price is paid upon
entering  into a  futures  contract.  Instead,  at the  inception  of a  futures
contract a Fund is required to deposit  "initial  margin" in an amount generally
equal to 10% or less of the contract  value.  Margin also must be deposited when
writing  a call  or  put  option  on a  futures  contract,  in  accordance  with
applicable  exchange rules.  Unlike margin in securities  transactions,  initial
margin  does not  represent  a  borrowing,  but  rather  is in the  nature  of a
performance  bond or  good-faith  deposit  that is  returned  to the Fund at the
termination  of  the  transaction  if  all  contractual  obligations  have  been
satisfied. Under certain circumstances,  such as periods of high volatility, the
Fund may be required by an exchange to increase the level of its initial  margin
payment,  and initial margin  requirements  might be increased  generally in the
future by regulatory action.

Subsequent  "variation  margin"  payments  are  made  to and  from  the  futures
commission merchant daily as the value of the futures position varies, a process
known as "marking-to-market."  Variation margin does not involve borrowing,  but
rather  represents a daily  settlement  of the Fund's  obligations  to or from a
futures  commission  merchant.  When a Fund  purchases  an  option  on a futures
contract,  the premium paid plus  transaction  costs is all that is at risk.  In
contrast,  when a Fund purchases or sells a futures contract or writes a call or
put option thereon,  it is subject to daily variation margin calls that could be
substantial  in  the  event  of  adverse  price  movements.   If  the  Fund  has
insufficient cash to meet daily variation margin requirements,  it might need to
sell securities at a time when such sales are disadvantageous.

Purchasers  and  sellers of futures  contracts  and options on futures can enter
into  offsetting  closing  transactions,  similar  to  closing  transactions  in
options, by selling or purchasing,  respectively, an instrument identical to the
instrument  purchased  or sold.  Positions  in  futures  and  options on futures
contracts  may be closed only on an  exchange or board of trade that  provides a
secondary  market.  However,  there can be no assurance that a liquid  secondary


                                       6
<PAGE>


market will exist for a particular contract at a particular time. In such event,
it may not be possible to close a futures contract or options position.

Under certain circumstances, futures exchanges may establish daily limits on the
amount that the price of a futures  contract or an option on a futures  contract
can vary from the previous day's settlement  price;  once that limit is reached,
no trades may be made that day at a price  beyond the limit.  Daily price limits
do not limit  potential  losses because prices could move to the daily limit for
several  consecutive  days  with  little  or  no  trading,   thereby  preventing
liquidation of unfavorable positions.

If a Fund were unable to liquidate a futures  contract or an option on a futures
position due to the absence of a liquid  secondary  market or the  imposition of
price limits, it could incur substantial  losses.  The Fund would continue to be
subject to market risk with respect to the position. In addition,  except in the
case of purchased options,  the Fund would continue to be required to make daily
variation  margin  payments  and might be required  to  maintain  cash or liquid
assets in an account.

RISKS OF FUTURES  CONTRACTS AND OPTIONS  THEREON.  The ordinary  spreads between
prices  in the cash and  futures  markets  (including  the  options  on  futures
markets), due to differences in the natures of those markets, are subject to the
following factors, which may create distortions.  First, all participants in the
futures  market are  subject to margin  deposit  and  maintenance  requirements.
Rather than meeting additional margin deposit requirements,  investors may close
futures  contracts  through  offsetting  transactions,  which could  distort the
normal relationships between the cash and futures markets. Second, the liquidity
of  the  futures  market  depends  on  participants   entering  into  offsetting
transactions  rather than making or taking delivery.  To the extent participants
decide  to make or take  delivery,  liquidity  in the  futures  market  could be
reduced,  thus  producing   distortion.   Third,  from  the  point  of  view  of
speculators,  the deposit  requirements  in the futures  market are less onerous
than  margin  requirements  in  the  securities  market.  Therefore,   increased
participation  by speculators in the futures  market may cause  temporary  price
distortions.

COMBINED  POSITIONS.  A Fund may purchase and write options in combination  with
each  other.  For  example,  a Fund may  purchase  a put option and write a call
option on the same  underlying  instrument,  in order to  construct  a  combined
position whose risk and return  characteristics are similar to selling a futures
contract. Another possible combined position would involve writing a call option
at one  strike  price and  buying a call  option at a lower  price,  in order to
reduce the risk of the written call option in the event of a  substantial  price
increase.  Because combined  options  positions  involve  multiple trades,  they
result in higher  transaction  costs and may be more difficult to open and close
out.

   
    

U.S. GOVERNMENT SECURITIES
Securities  issued or  guaranteed  by the U.S.  Government  or its  agencies  or
instrumentalities  ("U.S.  Government Securities") include Treasury Bills (which
mature within one year of the date they are issued),  Treasury Notes (which have
maturities  of one to ten  years)  and  Treasury  Bonds  (which  generally  have
maturities of more than 10 years).  All such Treasury  securities  are backed by
the full faith and credit of the United States.

U.S.  Government  agencies  and   instrumentalities   that  issue  or  guarantee
securities include, but are not limited to, the Federal Housing  Administration,
Fannie  Mae (the  Federal  National  Mortgage  Association),  the  Farmers  Home
Administration,  the Export-Import Bank of the United States, the Small Business


                                       7
<PAGE>


Administration, the Government National Mortgage Association ("Ginnie Mae"), the
General Services Administration,  the Central Bank for Cooperatives, the Federal
Home Loan Banks, the Federal Home Loan Mortgage Corporation ("Freddie Mac"), the
Farm Credit Banks, the Maritime Administration,  the Tennessee Valley Authority,
the Resolution Funding Corporation and the Student Loan Marketing Association.

Securities   issued   or   guaranteed   by   U.S.    Government   agencies   and
instrumentalities  are not always  supported by the full faith and credit of the
United States.  Some, such as securities  issued by the Federal Home Loan Banks,
are  backed by the right of the  agency or  instrumentality  to borrow  from the
Treasury. Others, such as securities issued by Fannie Mae, are supported only by
the  credit of the  instrumentality  and by a pool of  mortgage  assets.  If the
securities are not backed by the full faith and credit of the United States, the
owner  of the  securities  must  look  principally  to the  agency  issuing  the
obligation  for  repayment  and may not be able to  assert a claim  against  the
United States in the event that the agency or instrumentality  does not meet its
commitment.  The Money  Market Fund will invest in  securities  of agencies  and
instrumentalities only if the Adviser is satisfied that the credit risk involved
is acceptable.

INDEXED SECURITIES

Each Fund (other than the Money Market Fund) may purchase  securities  the value
of which varies in relation to the value of other securities, securities indices
or other financial indicators, consistent with its investment objective. Indexed
securities  typically,  but not always,  are debt  securities or deposits  whose
value at  maturity  or coupon  rate is  determined  by  reference  to a specific
instrument  or statistic.  Recent  issuers of indexed  securities  have included
banks,  corporations  and certain  U.S.  Government  agencies.  Certain  indexed
securities that are not traded on an established  market may be deemed illiquid.
See "Illiquid Investments and Restricted Securities" below.

AMERICAN DEPOSITORY RECEIPTS ("ADRS")
ADRs include ordinary shares and New York shares.  ADRs may be purchased through
"sponsored" or  "unsponsored"  facilities.  A sponsored  facility is established
jointly by the issuer of the  underlying  security and a  depository,  whereas a
depository may establish an unsponsored  facility  without  participation by the
issuer of the depository  security.  Holders of unsponsored  depository receipts
generally  bear  all the  costs  of such  facilities  and the  depository  of an
unsponsored facility frequently is under no obligation to distribute shareholder
communications  received  from the issuer of the  deposited  security or to pass
through  voting  rights  to the  holders  of  such  receipts  of  the  deposited
securities.  ADRs are not  necessarily  denominated  in the same currency as the
underlying  securities  to  which  they  may be  connected.  Generally,  ADRs in
registered form are designed for use in the U.S.  securities  market and ADRs in
bearer form are designed for use outside the United States.

REPURCHASE AGREEMENTS
Each Fund may enter into  repurchase  agreements  with banks that are members of
the Federal  Reserve System or securities  dealers who are members of a national
securities  exchange  or are  primary  dealers  in U.S.  Government  Securities.
Repurchase  agreements  generally  are for a short period of time,  usually less
than a week.  Repurchase  agreements with a maturity of more than seven days are
considered to be illiquid investments.  No Fund may enter into such a repurchase
agreement  if, as a result,  more than 15% (10% in the case of the Money  Market
Fund) of the value of its net assets  would then be invested in such  repurchase
agreements  and  other  illiquid  investments.  See  "Illiquid  Investments  and
Restricted Securities" below.


                                       8
<PAGE>


   
Each Fund follows certain procedures and guidelines adopted by the Trust's Board
of Trustees  ("Trustees" or the "Board") designed to minimize the risks inherent
in such transactions. These procedures include effecting repurchase transactions
only  with  large,  well-capitalized  and  well-established  institutions  whose
financial  condition  will be monitored by the Adviser.  In addition,  each Fund
will always receive,  as collateral,  securities  whose market value,  including
accrued  interest,  at all times  will be at least  equal to 100% of the  dollar
amount  invested  by the  Fund  in  each  repurchase  agreement.  If the  seller
defaults,  a Fund might incur a loss if the value of the collateral securing the
repurchase  agreement  declines and might incur  disposition costs in connection
with  liquidating  the  collateral.   In  addition,  if  bankruptcy  or  similar
proceedings   are  commenced  with  respect  to  the  seller  of  the  security,
realization upon the collateral by a Fund may be delayed or limited.
    

BORROWING
The U.S.  Plus  Fund  and the OTC Plus  Fund may  borrow  money  for  investment
purposes. Each Fund may borrow money as a temporary measure for extraordinary or
emergency purposes and to meet redemption  requests without  immediately selling
portfolio securities.

U.S.  PLUS  FUND  AND OTC  PLUS  FUND.  Borrowing  for  investment  is  known as
leveraging.  Leveraging  investments,  by  purchasing  securities  with borrowed
money,  is  a  speculative   technique  that  increases  investment  risk  while
increasing investment opportunity. Leverage will magnify changes in a Fund's net
asset value.  Although the principal of such  borrowings will be fixed, a Fund's
assets  may  change  in value  during  the time the  borrowing  is  outstanding.
Leverage  also creates  interest  expenses for a Fund.  To the extent the income
derived from  securities  purchased  with borrowed  funds exceeds the interest a
Fund will have to pay,  that Fund's net income will be greater  than it would be
if leverage were not used.  Conversely,  if the income from the assets  obtained
with borrowed funds is not  sufficient to cover the cost of leveraging,  the net
income of a Fund will be less than it would be if  leverage  were not used,  and
therefore the amount  available for  distribution  to  shareholders as dividends
will be reduced.

ALL FUNDS.  Each Fund may borrow money to  facilitate  management  of the Fund's
portfolio by enabling the Fund to meet redemption  requests when the liquidation
of  portfolio  instruments  would  be  inconvenient  or  disadvantageous.   Such
borrowing is not for  investment  purposes  and will be repaid by the  borrowing
Fund promptly.

As  required by the 1940 Act, a Fund must  maintain  continuous  asset  coverage
(total assets,  including assets acquired with borrowed funds,  less liabilities
exclusive of  borrowings)  of 300% of all amounts  borrowed.  If at any time the
value of the required asset coverage declines as a result of market fluctuations
or  other  reasons,  a Fund  may be  required  to  sell  some  of its  portfolio
investments within three days to reduce the amount of its borrowings and restore
the  300%  asset  coverage,  even  though  it may  be  disadvantageous  from  an
investment standpoint to sell portfolio instruments at that time.

In  addition  to the  foregoing,  each Fund may  borrow  money  from a bank as a
temporary  measure for  extraordinary  or  emergency  purposes in amounts not in
excess of 5% of the value of its total assets.  This borrowing is not subject to
the foregoing 300% asset coverage  requirement.  Each Fund may pledge  portfolio
securities as the Adviser deems appropriate in connection with any borrowings.


                                       9
<PAGE>


LENDING PORTFOLIO SECURITIES
Each Fund may lend portfolio  securities with a value not exceeding 33 1/3% (10%
in the case of the Money Market  Fund) of its total assets to brokers,  dealers,
and financial institutions.  Borrowers are required continuously to secure their
obligations  to  return  securities  on  loan  from a  Fund  by  depositing  any
combination of short-term  government securities and cash as collateral with the
Fund. The  collateral  must be equal to at least 100% of the market value of the
loaned  securities,  which  will be  marked  to  market  daily.  While a  Fund's
portfolio  securities are on loan, the Fund continues to receive interest on the
securities loaned and simultaneously  earns either interest on the investment of
the collateral or fee income if the loan is otherwise  collateralized.  The Fund
may invest the interest received and the collateral,  thereby earning additional
income.  Loans  would be  subject to  termination  by the  lending  Fund on four
business  days'  notice  or by  the  borrower  on  one  day's  notice.  Borrowed
securities must be returned when the loan is terminated. Any gain or loss in the
market price of the borrowed  securities that occurs during the term of the loan
inures to the lending Fund and that Fund's shareholders.  A lending Fund may pay
reasonable finders,  borrowers,  administrative and custodial fees in connection
with a loan.  Each Fund  currently  has no  intention  of lending its  portfolio
securities.

INVESTMENTS IN OTHER INVESTMENT COMPANIES
Each Fund may invest in the  securities  of other  investment  companies  to the
extent that such an investment  would be consistent with the requirements of the
1940 Act. The Money Market Fund will invest only in those  investment  companies
that  invest  in the same  quality  of  investments  as the Money  Market  Fund.
Investments  in  the  securities  of  other  investment  companies  may  involve
duplication of advisory fees and certain other expenses. By investing in another
investment  company, a Fund becomes a shareholder of that investment company. As
a result, Fund shareholders indirectly will bear a Fund's proportionate share of
the fees and expenses paid by shareholders of the other investment  company,  in
addition to the fees and expenses Fund shareholders  directly bear in connection
with the Fund's own operations.

ILLIQUID INVESTMENTS AND RESTRICTED SECURITIES
Each Fund will not purchase or  otherwise  acquire any security if, as a result,
more  than 15% (10% for the  Money  Market  Fund) of its net  assets  (taken  at
current value) would be invested in  investments  that are illiquid by virtue of
the absence of a readily  available market or legal or contractual  restrictions
on resale.  This policy  does not include  restricted  securities  eligible  for
resale pursuant to Rule 144A under the Securities Act of 1933, as amended ("1933
Act"),  which the  Board or the  Adviser  has  determined  under  Board-approved
guidelines  are  liquid.  None  of the  Funds,  however,  currently  anticipates
investing in such restricted securities.

   
The term "illiquid  investments" for this purpose means  investments that cannot
be  disposed  of  within  seven  days in the  ordinary  course  of  business  at
approximately the amount at which a Fund has valued the investments. Investments
currently  considered to be illiquid  include:  (1)  repurchase  agreements  not
terminable within seven days, (2) securities for which market quotations are not
readily  available,  (3) OTC options and their underlying  collateral,  (4) bank
deposits,  unless they are payable at principal  amount plus accrued interest on
demand or within  seven days  after  demand and (5)  restricted  securities  not
determined to be liquid  pursuant to guidelines  established  by the Board.  The
assets  used as cover  for OTC  options  written  by a Fund  will be  considered
illiquid unless the OTC options are sold to qualified dealers who agree that the
Fund may repurchase any OTC option it writes at a maximum price to be calculated
by a formula  set forth in the  option  agreement.  The cover for an OTC  option
written  subject to this  procedure  would be  considered  illiquid  only to the
extent that the maximum repurchase price under the formula exceeds the intrinsic
value of the option.
    


                                       10
<PAGE>


A Fund may not be able to sell illiquid  investments when the Adviser  considers
it  desirable to do so or may have to sell such  investments  at a price that is
lower than the price that could be obtained if the investments  were liquid.  In
addition,  the sale of illiquid  investments may require more time and result in
higher  dealer  discounts  and  other  selling  expenses  than  does the sale of
investments  that  are  not  illiquid.  Illiquid  investments  also  may be more
difficult to value due to the  unavailability  of reliable market quotations for
such  investments,  and investment in illiquid  investments  may have an adverse
impact on net asset value.

   
Rule 144A establishes a "safe harbor" from the registration  requirements of the
1933 Act for resales of certain  securities to qualified  institutional  buyers.
Institutional  markets for restricted securities that have developed as a result
of Rule 144A provide both readily  ascertainable  values for certain  restricted
securities  and  the  ability  to  liquidate  an  investment  to  satisfy  share
redemption  orders.  An insufficient  number of qualified  institutional  buyers
interested in purchasing Rule 144A-eligible  securities held by a Fund, however,
could affect adversely the marketability of such portfolio securities and a Fund
may be unable to dispose of such securities promptly or at reasonable prices.
    

PORTFOLIO TURNOVER
As discussed in the  Prospectus,  the Trust  anticipates  that  investors in the
Funds,  as part of an asset  allocation  investment  strategy,  frequently  will
redeem Fund  shares,  as well as exchange  their Fund shares for shares of other
Funds. A Fund may have to dispose of certain  portfolio  investments to maintain
sufficient liquid assets to meet such redemption and exchange requests,  thereby
causing a high portfolio turnover.

A Fund's  portfolio  turnover rate is calculated by the value of the  securities
purchased or securities  sold,  excluding all securities whose maturities at the
time of acquisition were one year or less,  divided by the average monthly value
of such securities owned during the year. Based on this calculation, instruments
with remaining  maturities of less than one year are excluded from the portfolio
turnover rate. Such  instruments  generally would include futures  contracts and
options,  since such contracts  generally have a remaining maturity of less than
one year. In any given period,  all of a Fund's investments may have a remaining
maturity of less than one year; in which case,  the portfolio  turnover rate for
that period  would be equal to zero.  However,  each Fund's  portfolio  turnover
rate,  except for the Money Market Fund,  calculated  with all securities  whose
maturities were one year or less is anticipated to be unusually high.


                             INVESTMENT RESTRICTIONS

In addition to the  investment  policies  and  limitations  described  above and
described  in the  Prospectus,  each Fund has adopted the  following  investment
limitations,  which are fundamental  policies and may not be changed without the
vote of a majority of the outstanding  voting securities of that Fund. Under the
1940 Act, a "vote of the majority of the  outstanding  voting  securities"  of a
Fund  means the  affirmative  vote of the  lesser  of:  (1) more than 50% of the
outstanding  shares of a Fund or (2) 67% or more of the shares of a Fund present
at a  shareholders  meeting  if more  than  50% of the  outstanding  shares  are
represented at the meeting in person or by proxy.

For purposes of the following  limitations,  all  percentage  limitations  apply
immediately  after a purchase  or initial  investment.  Except  with  respect to
borrowing  money,  if a percentage  limitation  is adhered to at the time of the


                                       11
<PAGE>

investment,  a later increase or decrease in the  percentage  resulting from any
change  in  value  or  net  assets  will  not  result  in a  violation  of  such
restrictions. If at any time a Fund's borrowings exceed its limitations due to a
decline in net assets,  such borrowings  will be reduced  promptly to the extent
necessary to comply with the limitation.

EACH FUND HAS ADOPTED THE FOLLOWING  FUNDAMENTAL  INVESTMENT POLICY that enables
it  to  invest  in  another  investment  company  or  series  thereof  that  has
substantially similar investment objectives and policies:

      Notwithstanding  any  other  limitation,  the Fund may  invest  all of its
      investable  assets  in an  open-end  management  investment  company  with
      substantially the same investment objectives,  policies and limitations as
      the Fund. For this purpose,  "all of the Fund's  investable  assets" means
      that the only investment  securities that will be held by the Fund will be
      the Fund's interest in the investment company.

EACH FUND, EXCEPT THE MONEY MARKET FUND, HAS ADOPTED THE FOLLOWING INVESTMENT
LIMITATIONS:

A Fund shall not:

1. Lend any  security or make any other loan if, as a result,  more than 33 1/3%
   of the  value of the  Fund's  total  assets  would be lent to other  parties,
   except (1) through the  purchase of a portion of an issue of debt  securities
   in accordance with the Fund's investment objective, policies and limitations,
   or (2) by  engaging  in  repurchase  agreements  with  respect  to  portfolio
   securities.

2. Underwrite securities of any other issuer.

3. Purchase, hold, or deal in real estate or oil and gas interests.

4. Issue any senior  security  (as such term is defined in Section  18(f) of the
   1940 Act)  (including  the amount of senior  securities  issued by  excluding
   liabilities and indebtedness not constituting senior securities),  except (1)
   that the Fund may issue senior  securities in connection with transactions in
   options, futures, options on futures, forward contracts, swaps, caps, floors,
   collars and other similar investments,  (2) as otherwise permitted herein and
   in Investment  Limitations  Nos. 5, 7, and 8, and (3) the U.S./Short Fund and
   the OTC/Short Fund may make short sales of securities.

5. Pledge,  mortgage, or hypothecate the Fund's assets, except (1) to the extent
   necessary to secure permitted borrowings, (2) in connection with the purchase
   of securities on a forward-commitment  or delayed-delivery  basis or the sale
   of  securities  on a  delayed-delivery  basis,  and  (3) in  connection  with
   options, futures contracts,  options on futures contracts, forward contracts,
   swaps, caps, floors, collars and other financial instruments.

6. Invest in physical  commodities,  except that the Fund may  purchase and sell
   foreign currency,  options, futures contracts,  options on futures contracts,
   forward   contracts,   swaps,  caps,   floors,   collars,   securities  on  a
   forward-commitment   or   delayed-delivery   basis,   and   other   financial
   instruments.



                                       12
<PAGE>


EACH FUND, EXCEPT THE U.S. PLUS FUND AND THE OTC PLUS FUND, HAS ADOPTED THE
FOLLOWING INVESTMENT LIMITATION:

A Fund shall not:

7. Borrow  money,  except  (1)  as a  temporary  measure  for  extraordinary  or
   emergency  purposes and then only in amounts not to exceed 5% of the value of
   the Fund's total  assets,  (2) in an amount up to 33 1/3% of the value of the
   Fund's  total  assets,  including  the  amount  borrowed,  in  order  to meet
   redemption requests without immediately selling portfolio securities,  (3) to
   enter  into  reverse  repurchase  agreements,   and  (4)  to  lend  portfolio
   securities.  For purposes of this investment limitation, the purchase or sale
   of  options,  futures  contracts,   options  on  futures  contracts,  forward
   contracts, swaps, caps, floors, collars and other financial instruments shall
   not constitute borrowing.

THE U.S. PLUS FUND AND THE OTC PLUS FUND HAVE ADOPTED THE FOLLOWING INVESTMENT
LIMITATION:

A Fund shall not:

8. Make short sales of portfolio securities or purchase any portfolio securities
   on margin but may make short sales "against the box," obtain such  short-term
   credits as are necessary for the clearance of  transactions,  and make margin
   payments in connection with options,  futures  contracts,  options on futures
   contracts,   forward  contracts,  swaps,  caps,  floors,  collars  and  other
   financial instruments.

THE U.S. PLUS FUND AND THE OTC PLUS FUND HAVE ADOPTED THE FOLLOWING INVESTMENT
LIMITATION:

A Fund shall not:

9. Borrow money,  except (1) to the extent  permitted  under the 1940 Act (which
   currently limits borrowing to no more than 33 1/3% of the value of the Fund's
   total  assets),  (2) as a  temporary  measure and then only in amounts not to
   exceed 5% of the value of the Fund's total assets,  (3) to enter into reverse
   repurchase agreements,  and (4) to lend portfolio securities. For purposes of
   this  investment  limitation,  the  purchase  or  sale  of  options,  futures
   contracts,  options on futures  contracts,  forward  contracts,  swaps, caps,
   floors,   collars  and  other  financial  instruments  shall  not  constitute
   borrowing.

EACH FUND, EXCEPT THE OTC PLUS FUND AND THE OTC/SHORT FUND, HAS ADOPTED THE
FOLLOWING INVESTMENT LIMITATION:

A Fund shall not:

10.Invest more than 25% of the value of its total  assets in the  securities  of
   issuers in any single 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.

THE OTC PLUS FUND AND THE OTC/SHORT FUND HAVE ADOPTED THE FOLLOWING INVESTMENT
LIMITATION:


                                       13
<PAGE>


A Fund shall not:

11.Invest more than 25% of the value of its total  assets in the  securities  of
   issuers  in any  single  industry,  except  for  the  software  and  hardware
   industries   when  the  percentage  of  the  securities  of  either  industry
   constitutes  more than 25% of the Nasdaq Index.  There shall be no limitation
   on the purchase of obligations  issued or guaranteed by the U.S.  Government,
   its agencies or instrumentalities.

THE MONEY MARKET FUND HAS ADOPTED THE FOLLOWING INVESTMENT LIMITATIONS:

The Money Market Fund shall not:

1. Make loans, except through the purchase of qualified debt obligations,  loans
   of portfolio securities and entry into repurchase agreements.

2. Lend the Fund's  portfolio  securities  in excess of 15% of its total assets.
   Any  loans of the  Fund's  portfolio  securities  will be made  according  to
   guidelines  established  by the Trustees,  including the  maintenance of cash
   collateral of the borrower  equal at all times to the current market value of
   the securities loaned.

3. Underwrite securities of any other issuer.

4. Purchase, hold, or deal in real estate or oil and gas interests.

5. Issue  senior  securities,  except  as  permitted  by the  Fund's  investment
   objective and policies.

6. Purchase  or  sell  physical  commodities;   provided,   however,  that  this
   investment  limitation  does not prevent the Fund from purchasing and selling
   options, futures contracts,  options on futures contracts, forward contracts,
   swaps, caps, floors, collars and other financial instruments.

7. Invest in  securities  of other  investment  companies,  except to the extent
   permitted under the 1940 Act.

8. Mortgage,  pledge,  or  hypothecate  the Money Market Fund's assets except to
   secure permitted borrowings or in connection with options, futures contracts,
   options on futures contracts, forward contracts, swaps, caps, floors, collars
   and other financial  instruments.  In those cases,  the Money Market Fund may
   mortgage,  pledge, or hypothecate  assets having a market value not exceeding
   the lesser of the dollar amount  borrowed or 15% of the value of total assets
   of the Money Market Fund at the time of the borrowing.

9. Make short sales of portfolio securities or purchase any portfolio securities
   on margin,  except to obtain such short-term credits as are necessary for the
   clearance of purchases and sales of securities;  provided, however, that this
   investment  limitation  does not prevent the Fund from purchasing and selling
   options, futures contracts,  options on futures contracts, forward contracts,
   swaps, caps, floors, collars and other financial instruments.

In  addition,  the  Money  Market Fund does not presently intend to purchase and
sell foreign currency, options, futures contracts, options on futures contracts,
forward contracts, swaps, caps, floors and collars.


                                       14
<PAGE>



                      PORTFOLIO TRANSACTIONS AND BROKERAGE

Subject to the general  supervision by the Trustees,  the Adviser is responsible
for  decisions  to buy and sell  securities  for each  Fund,  the  selection  of
broker-dealers  to effect the  transactions,  and the  negotiation  of brokerage
commissions, if any. The Adviser expects that the Funds may execute brokerage or
other agency transactions through registered  broker-dealers,  for a commission,
in  conformity  with the 1940  Act,  the  Securities  Exchange  Act of 1934,  as
amended, and the rules and regulations thereunder.

In  effecting  portfolio  transactions  for the Funds,  the  Adviser  seeks best
execution  of  trades  either  (1) at the most  favorable  price  and  efficient
execution  of  transactions,  or (2) with respect to agency  transactions,  at a
higher rate of  commission  if  reasonable in relation to brokerage and research
services  provided to the Funds or the  Adviser.  Such  services may include the
following:  information  as to the  availability  of securities  for purchase or
sale;  statistical or factual  information or opinions pertaining to investment;
wire services; and appraisals or evaluations of portfolio securities.  Each Fund
believes that the requirement always to seek the lowest possible commission cost
could  impede  effective  portfolio  management  and  preclude  the Fund and the
Adviser from  obtaining a high quality of brokerage  and research  services.  In
seeking to determine the  reasonableness  of brokerage  commissions  paid in any
transaction,  the Adviser  relies upon its  experience  and knowledge  regarding
commissions  generally  charged  by  various  brokers  and  on its  judgment  in
evaluating  the  brokerage  and  research  services  received  from  the  broker
effecting the transaction.

The Adviser may use research and services provided to it by brokers in servicing
all the Funds;  however,  not all such  services  may be used by the  Adviser in
connection  with a Fund.  While the receipt of such  information and services is
useful in varying  degrees and generally  would reduce the amount of research or
services otherwise performed by the Adviser, this information and these services
are of  indeterminable  value and  would not  reduce  the  Adviser's  investment
advisory fee to be paid by the Funds.

Purchases  and  sales of U.S.  Government  Securities  normally  are  transacted
through  issuers,  underwriters or major dealers in U.S.  Government  Securities
acting  as  principals.  Such  transactions  are made on a net  basis and do not
involve payment of brokerage commissions.  The cost of securities purchased from
an  underwriter  usually  includes  a  commission  paid  by  the  issuer  to the
underwriters;  transactions with dealers normally reflect the spread between bid
and asked prices.

   
Aggregate  brokerage  commissions  paid by U.S. Plus Fund for the period October
20, 1997 to August 31, 1998 was $8,938. Those commissions were paid on brokerage
transactions worth $174,191,426.

Aggregate brokerage  commissions paid by U.S./Short Fund for the period November
7, 1997 to August 31, 1998 was $3,618.  Those commissions were paid on brokerage
transactions worth $78,849,094.

Aggregate brokerage commissions paid by OTC Plus Fund for the period October 20,
1997 to August 31, 1998 was $7,628.  Those  commissions  were paid on  brokerage
transactions worth $9,942,393.



                                       15
<PAGE>


Aggregate  brokerage  commissions  paid by OTC/Short Fund for the period October
16,1997 to August 31, 1998 was $858.  Those  commissions  were paid on brokerage
transactions worth $698,439.
    



                             MANAGEMENT OF THE TRUST

   
TRUSTEES AND OFFICERS
The business  affairs of each Fund are managed by or under the  direction of the
Board of Trustees. The Trustees are responsible for managing the Funds' business
affairs and for  exercising  all the Funds' powers except those  reserved to the
shareholders.  A Trustee may be removed by the other Trustees or by a two-thirds
vote of the outstanding Trust shares.
    

The  following  table lists the Trustees  and officers of the Trust,  their age,
business  address and principal  occupation  during the past five years.  Unless
otherwise  noted, an  individual's  business  address is 550 Mamaroneck  Avenue,
Harrison, New York 10528.

                             Position With           Principal Occupation
          Name                 the Trust            During Past Five Years
          ----                 ---------            ----------------------

   
Lawrence C. Rafferty*    Chief Executive          Chairman and Chief Executive
(56)                     Officer, President,      Officer of the Adviser,
                         Chairman of the          1997-present; Chief Executive
                         Board of Trustees        Officer of Rafferty Companies,
                                                  LLC, 1996-present; Chief
                                                  Executive Officer of Cohane
                                                  Rafferty Securities, Inc.,
                                                  1987-present (investment
                                                  banking); Chief Executive
                                                  Officer of Rafferty Capital
                                                  Markets, Inc., 1995-present;
                                                  Trustee of Fairfield 
                                                  University.

Jay F. Higgins* (53)     Trustee                  Managing Partner of CloverLeaf
411 West Putnam Street                            Partners, Inc., 1992-1997
Greenwich, CT 06830                               (investment banking).

Daniel J. Byrne (54)     Trustee                  President and Chief Executive
1325 Franklin Avenue                              Officer of Byrne Securities
Suite 285                                         Inc., 1992-present; Partner of
Garden City, NY 11530                             Byrne Capital Management LLP,
                                                  1996-present.

George T. Glisker (51)   Trustee                  President of GTG Securities
1010 Franklin Avenue                              Corp., April 1997-present  
Garden City, NY 11530                             (hedge fund);  President  of  
                                                  New  York Capital Mkts. Inc.

Gerald E. Shanley III    Trustee                  Business Consultant, 1985-
(54)                                              present; Trustee of Estate
12 First Street                                   of Charles S. Payson,
Pelham, NY 10803                                  1987-present.

James Terry Apple (59)   Chief Investment         Vice President of the Adviser,
100 S. Royal Street      Officer                  1997-present; Portfolio 
Alexandria, VA 22314                              Manager of PADCO Advisors, 


                                       16
<PAGE>


                           Position With           Principal Occupation
          Name               the Trust            During Past Five Years
          ----               ---------            ----------------------

                                                  1994-1997; Portfolio Manager
                                                  of Money Management 
                                                  Associates, 1992-1993.

Timothy P. Hagan (56)    Chief Financial          Vice President of the Adviser,
                         Officer                  1997-present; Vice President 
                                                  of PADCO Advisers, 1993-1997,
                                                  Vice President of Money 
                                                  Management Associates, 
                                                  1981-1993.

Philip A. Harding (55)   Senior Vice President    Vice President of the Adviser,
                                                  1997-present; Vice President
                                                  of Commerzbank (USA), 1995-
                                                  1997; Senior Vice President of
                                                  Sanwa Bank (USA), 1992-1995.

Thomas A. Mulrooney (51) Chief Operating          Chief Operating Officer of the
                         Officer                  Adviser, 1997-present; 
                                                  President of Rafferty Capital
                                                  Markets, 1995-1997; Managing
                                                  Partner of Cantor Fitzgerald,
                                                  Inc.,  1993-1995; Executive
                                                  Vice President and Director of
                                                  Trading for J.J. Kenny Drake,
                                                  Inc., 1985-1993.

Mark D. Edwards (40)     Vice President           [BIOGRAPHICAL INFORMATION
100 S. Royal Street                               TO BE PROVIDED]
Alexandria, VA  22314

Stephen P. Sprague (49)  Treasurer,               Vice President and Chief
                         Controller and           Financial Officer of the
                         Assistant Secretary      Adviser, 1997-present; Chief
                                                  Financial Officer of Rafferty
                                                  Companies, LLC, 1994-present;
                                                  Chief Accountant--
                                                  International Sub., Goldman 
                                                  Sachs & Co., 1983-1993.

Robert J. Zutz (46)      Secretary                Partner, Kirkpatrick & 
1800 Massachusetts Ave.                           Lockhart LLP (law firm).
Washington, DC 20036

Eric W. Falkeis (25)     Assistant Secretary      Compliance Officer, Firstar
615 East Michigan Street                          Mutual Fund Services LLC, 1997
Milwaukee, WI 53202                               -present; Audit Senior with
                                                  PricewaterhouseCoopers LLP,
                                                  1995-1997

    
___________________

*  Messrs. Rafferty  and  Higgins  are  deemed to be "interested persons" of the
   Trust,  as defined by the 1940 Act.



                                       17
<PAGE>

The  Trustees and  officers of the Trust,  as a group,  own less than 1% of each
Fund's shares  outstanding.  The Trust's  Declaration of Trust provides that the
Trustees  will not be liable for errors of  judgment or mistakes of fact or law.
However,  they are not  protected  against  any  liability  to which  they would
otherwise  be  subject  by reason  of  willful  misfeasance,  bad  faith,  gross
negligence or reckless  disregard of the duties involved in the conduct of their
office.

   
The Trust will pay the Trustees who are not "interested persons" of the Trust as
defined by the 1940 Act ("Independent  Trustees") $500 per meeting of the Board.
The Adviser will pay Mr. Higgins similar  compensation per meeting of the Board.
Trustees  also are  reimbursed  for any  expenses  incurred in  attending  Board
meetings.  No  officer,  director  or  employee  of  the  Adviser  receives  any
compensation  from the Funds for acting as a director or officer.  The following
table shows the compensation earned by each Trustee for the Trust's prior fiscal
year end, August 31, 1998.

- -----------------------------------------------------------------------
Name of Person, Position     Aggregate Compensation From Potomac Funds
- -----------------------------------------------------------------------

Lawrence  C.  Rafferty,                           $0
Trustee

Jay F. Higgins, Trustee                           $0

Daniel J. Byrne, Trustee                        $2,000

George T. Glisker, Trustee                      $2,000

Gerald E. Shanley III                           $2,000
- -----------------------------------------------------------------------

No Trustee  will  receive any  benefits  upon  retirement.  Thus,  no pension or
retirement benefits have accrued as part of any Trust's expenses.

FIVE PERCENT SHAREHOLDERS
Listed below are  shareholders who owned of record or were known by the Funds to
own  beneficially  five  percent  or  more  of  the  outstanding  shares  of the
__________ as of ________, 1998.

INVESTMENT ADVISER
Rafferty Asset  Management,  LLC, 550  Mamaroneck  Avenue,  Harrison,  New York,
provides investment advice to the Funds. The Adviser was organized as a New York
limited liability corporation in June 1997.

    
Under an  Investment  Advisory  Agreement  between  the Trust,  on behalf of the
Funds, and the Adviser ("Advisory Agreement"), the Adviser provides a continuous
investment  program for each Fund's  assets in  accordance  with its  investment
objectives,  policies and limitations, and oversees the day-to-day operations of
the Funds,  subject to the  supervision  of the Trustees.  The Adviser bears all
costs associated with providing these advisory  services and the expenses of the
Trustees who are affiliated with or interested persons of the Adviser. The Trust
bears all other expenses that are not assumed by the Adviser as described in the
Prospectus.  The Trust also is liable for  nonrecurring  expenses  as may arise,
including  litigation to which a Fund may be a party. The Trust also may have an
obligation  to indemnify  its  Trustees  and  officers  with respect to any such
litigation.



                                       18
<PAGE>

Pursuant to the Advisory Agreement, each Fund pays the Adviser the following fee
at an annual  rate based on its average  daily net assets of:  0.75% of the U.S.
Plus Fund and OTC Plus Fund;  0.90% of the U.S./Short  Fund and OTC/Short  Fund;
and 0.50% of the Money Market Fund.

   
For U.S. Plus Fund, the Adviser  voluntarily has agreed to waive its fees to the
extent that Fund  expenses  exceed  1.50% of average  daily net assets.  For the
period  October 20, 1997 to August 31,  1998,  the  management  fee  amounted to
$71,062.  For the same  period,  the  Adviser  waived  its fee in the  amount of
$_______.

For U.S./Short Fund, the Adviser voluntarily has agreed to waive its fees to the
extent that Fund  expenses  exceed  1.65% of average  daily net assets.  For the
period  November 7, 1997 to August 31,  1998,  the  management  fee  amounted to
$14,663.  For the same  period,  the  Adviser  waived  its fee in the  amount of
$________.

For OTC Plus Fund, the Adviser  voluntarily  has agreed to waive its fees to the
extent that Fund  expenses  exceed  1.50% of average  daily net assets.  For the
period  October 20, 1997 to August 31,  1998,  the  management  fee  amounted to
$67,763.  For the same  period,  the  Adviser  waived  its fee in the  amount of
$________.

For OTC/Short Fund, the Adviser  voluntarily has agreed to waive its fees to the
extent that Fund  expenses  exceed  1.65% of average  daily net assets.  For the
period  October 16, 1997 to August 31,  1998,  the  management  fee  amounted to
$53,805.  For the same  period,  the  Adviser  waived  its fee in the  amount of
$_________.

For Money Market Fund, the Adviser  voluntarily  has agreed to waive its fees to
the extent that Fund expenses exceed 1.00% of average daily net assets.  For the
period  October 20, 1997 to August 31,  1998,  the  management  fee  amounted to
$17,168.  For the same  period,  the  Adviser  waived  its fee in the  amount of
$_________.
    

The Advisory  Agreement was approved by the Trustees  (including all Independent
Trustees) and the Adviser,  as sole shareholder of each Fund, in compliance with
the 1940 Act. The Advisory  Agreement will continue in force for a period of two
years after the date of its approval. The Agreement is renewable thereafter from
year to year with respect to each Fund, so long as its  continuance  is approved
at least  annually (1) by the vote,  cast in person at a meeting called for that
purpose, of a majority of those Trustees who are not "interested persons" of the
Adviser or the Trust,  and (2) by the majority  vote of either the full Board or
the  vote of a  majority  of the  outstanding  shares  of a Fund.  The  Advisory
Agreement  automatically  terminates on assignment and is terminable on 60 days'
written notice either by the Trust or the Adviser.


   
FUND ADMINISTRATOR, FUND ACCOUNTANT, TRANSFER AGENT AND CUSTODIAN
Firstar  Mutual  Fund  Services,  LLC,  615  East  Michigan  Street,  Milwaukee,
Wisconsin  53202,  provides  administrative,  fund accounting and transfer agent
services to the Funds.  Firstar Bank Milwaukee,  N.A. 615 East Michigan  Street,
Milwaukee, Wisconsin 53202, provides custodian services to the Funds.

Pursuant to an Administration  Servicing Agreement ("Service Agreement") between
the  Trust  and  Firstar  Mutual  Fund  Services,  LLC  ("Administrator"),   the
Administrator  provides the Trust with  administrative  and management  services


                                       19
<PAGE>


(other than investment advisory  services).  As compensation for these services,
the Trust pays the Administrator a fee of .06% of the first  $200,000,000 of the
Trust's average daily net assets,  .05% of the next  $300,000,000 of the Trust's
average  daily net assets,  and .03% of the Trust's  average daily net assets in
excess of $150,000.  Notwithstanding the foregoing,  the Administrator's minimum
annual fee is $150,000.

For the period ended August 31, 1998, U.S. Plus Fund,  U.S./Short Fund, OTC Plus
Fund  OTC/Short  Fund and Money  Market  Fund paid the  Administrator  $42,305,
$6,535, $35,193, $32,578 and $13,611, respectively.

Pursuant to a Fund Accounting  Servicing Agreement between the Trust and Firstar
Mutual Fund Services, LLC ("Fund Accountant"),  the Fund Accountant provides the
Trust with accounting services,  including portfolio  accounting  services,  tax
accounting services and furnishing  financial reports.  For these services,  the
Trust pays the Fund  Accountant  a flat  annual fee of $25,000 for the first $40
million of average  daily net assets  for each the  OTC/Short  and Money  Market
Funds;  and $22,000  for the first $40  million of average  daily net assets for
each the U.S. Plus,  U.S./Short and OTC Plus Funds.  The Fund Accountant also is
entitled to certain out-of-pocket expenses, including pricing expenses.

Pursuant to a Custodian Agreement,  Firstar Bank Milwaukee,  N.A. also serves as
the Custodian of the Funds' assets.  Under the terms of the Custodian Agreement,
the Custodian holds and administers the assets in the Funds' portfolios.
    

DISTRIBUTOR
Rafferty Capital Markets, Inc., 550 Mamaroneck Avenue, Harrison, New York 10528,
serves as the  distributor  ("Distributor")  in connection  with the offering of
each Fund's shares on a no-load basis. The Distributor and participating dealers
with whom it has entered  into dealer  agreements  offer  shares of the Funds as
agents on a best efforts basis and are not obligated to sell any specific amount
of shares.

   
For the period ended August 31, 1998, the  Distributor  received as compensation
from the Adviser for the sale of U.S. Plus Fund, U.S./Short Fund, OTC Plus Fund,
OTC/Short Fund and Money Market Fund $_______,  $_______, $_______, $_______ and
$________,  respectively,  of which it retained $_______,  $_______,  $________,
$_______ and $_________, respectively.
    

DISTRIBUTION PLAN
Rule 12b-1  under the 1940 Act  provides  that an  investment  company  may bear
expenses  of  distributing  its  shares  only  pursuant  to a  plan  adopted  in
accordance with the Rule. The Trustees have adopted such a plan (the "Plan") for
each Fund  pursuant  to which each Fund would  compensate  the  Distributor  for
certain  expenses  incurred in the  distribution  of that Fund's  shares and the
servicing and maintenance of existing Fund shareholder accounts. Pursuant to the
Plan,  a Fund  may  pay the  Distributor  a  service  fee of up to  0.25%  and a
distribution fee of up to 0.75% of the Fund's average daily net assets. However,
the Trustees have not  authorized  payment of any fees pursuant to the Plan. The
Trustees  will  authorize  such  payments only when they believe that there is a
reasonable likelihood that the Plan will benefit each Fund and its shareholders.
If the Trustees do authorize  payment of fees pursuant to the Plan, the Trustees
will review quarterly and annually a written report provided by the Treasurer of
the amounts expended under the Plan and the purposes for which such expenditures
were made.


                                       20
<PAGE>


The Plan will continue in effect,  with respect to a Fund,  from year to year as
long as its continuance is approved annually by either the Trustees or by a vote
of a majority of the outstanding voting securities of that Fund. In either case,
to continue,  the Plan must be approved by the vote of a majority of Independent
Trustees.  The Plan can be terminated,  with respect to a Fund, at any time by a
vote of a majority of the Independent Trustees or by a vote of a majority of the
outstanding voting securities of that Fund.

   
INDEPENDENT ACCOUNTANTS
PricewaterhouseCoopers  LLP, 100 East Wisconsin Avenue,  Suite 1500,  Milwaukee,
Wisconsin 53202, are the auditors and the independent accountants for the Trust.
    


                        DETERMINATION OF NET ASSET VALUE

As described in the  Prospectus,  the net asset value per share of the U.S. Plus
Fund,  the  U.S./Short  Fund,  the  OTC  Plus  Fund  and the  OTC/Short  Fund is
determined  daily,  Monday through Friday,  each day the New York Stock Exchange
("NYSE") is open for business,  which excludes New Year's Day,  Presidents' Day,
Martin Luther King's  Birthday,  Good Friday,  Memorial Day,  Independence  Day,
Labor Day, Thanksgiving Day, and Christmas Day. The net asset value per share of
the Money Market Fund is determined  each day that both the NYSE and the Federal
Reserve Bank of New York are open for business.

It is the policy of the Money  Market  Fund to  attempt  to  maintain a constant
price per share of $1.00. There can be no assurance that a $1.00 net asset value
per share will be maintained. The portfolio instruments held by the Money Market
Fund are valued based on the amortized  cost valuation  method  pursuant to Rule
2a-7 under the 1940 Act.  This  involves  valuing an  instrument at its cost and
thereafter  assuming a constant  amortization  to  maturity  of any  discount or
premium,  even though the portfolio  security may increase or decrease in market
value. Such fluctuations generally are in response to changes in interest rates.
Use of the amortized  cost  valuation  method  requires the Money Market Fund to
purchase  instruments  having  remaining  maturities  of 397  days or  less,  to
maintain a dollar-weighted average portfolio maturity of 90 days or less, and to
invest only in securities  determined by the Trustees to be of high quality with
minimal credit risks. The Money Market Fund may invest in issuers or instruments
that at the time of purchase have received the highest  short-term rating by any
two nationally recognized statistical rating organizations ("NRSROs").

Rule 2a-7 requires the Trustees to establish  procedures  reasonably designed to
stabilize the net asset value per share as computed for purposes of distribution
and  redemption.  The Board's  procedures  include  monitoring the  relationship
between the amortized cost value per share and a net asset value per share based
upon available  indications of market value. The Board will decide what, if any,
steps should be taken if there is a difference  of more than .5% between the two
methods.  The Board  will  take any steps  they  consider  appropriate  (such as
redemption in kind or shortening the average portfolio maturity) to minimize any
material  dilution or other unfair results arising from differences  between the
two methods of determining net asset value.

   
A security  listed or traded on an exchange or the Nasdaq Stock Market is valued
at its last  sales  price on the  principal  exchange  or  market on which it is
traded prior to the time when assets are valued.  If no sale is reported at that
time, the mean of the last bid and ask price is used. When market quotations for


                                       21
<PAGE>


options  and  futures  positions  held by a Fund are  readily  available,  those
positions will be valued based upon such quotations. Securities and other assets
for which market quotations are not readily available,  or for which the Adviser
has reason to question the validity of quotations  received,  are valued at fair
value as determined in good faith in accordance with  procedures  established by
the  Board.  Short-term  investments  having a  maturity  of 60 days or less are
valued at amortized cost, which approximates market value.
    


                             PERFORMANCE INFORMATION

Each  Fund's   performance  data  quoted  in  reports,   advertising  and  other
promotional  materials  represents  past  performance  and  is not  intended  to
indicate future performance.  The investment return and principal value for each
Fund,  except for the Money Market Fund,  will  fluctuate so that an  investor's
shares, when redeemed, may be worth more or less than their original costs.

COMPARATIVE INFORMATION
From time to time, each Fund's performance may be compared with recognized stock
and other  indices,  such as the Standard & Poor's  Composite  Stock Price Index
("S&P 500 Index"),  the Dow Jones Industrial  Average  ("DJIA"),  the Nasdaq 100
Stock  IndexTM  ("Nasdaq  Index"),  and the Nasdaq  Composite  IndexTM  ("Nasdaq
Composite")  and various other  domestic  indices.  The S&P 500 Index is a broad
index of common stock prices,  while the DJIA  represents a narrower  segment of
industrial  companies.   Each  assumes  reinvestment  of  distributions  and  is
calculated without regard to tax consequences or operating expenses.  The Nasdaq
Composite  comparison may be provided to show how the OTC/Long and the OTC/Short
Funds'  total  returns  compare  to the  record of a broad  average of OTC stock
prices over the same  period.  The  OTC/Long  and the  OTC/Short  Funds have the
ability to invest in  securities  not included in the Nasdaq Index or the Nasdaq
Composite, and the OTC/Long and the OTC/Short Funds' investment portfolio may or
may not be similar in composition to the Nasdaq Index or the Nasdaq Composite.

In addition,  a Fund's total return may be compared to the  performance of broad
groups of comparable mutual funds with similar  investment  objectives,  as such
performance is tracked and published by such independent organizations as Lipper
Analytical Services, Inc. ("Lipper"), and CDA Investment Technologies, Inc. When
Lipper's  tracking  results  are used,  the Fund will be  compared  to  Lipper's
appropriate  fund category,  that is, by fund objective and portfolio  holdings.
Accordingly,  the Lipper ranking and comparison,  which may be used by the Trust
in  performance  reports,  will be drawn from the "Capital  Appreciation  Funds"
grouping for the U.S.  Plus Fund and the  U.S./Short  Fund,  and from the "Small
Company Growth Funds" grouping for the OTC/Long and the OTC/Short  Funds.  Since
the assets in all mutual funds are always changing,  a Fund may be ranked within
one Lipper  asset-size class at one time and in another Lipper  asset-size class
at some other time.  Footnotes in advertisements and other marketing  literature
will include the time period and Lipper asset-size class, as applicable, for the
ranking in question. Performance figures are based on historical results and are
not intended to indicate future performance.

TOTAL RETURN COMPUTATIONS
For purposes of quoting and comparing the performance of a Fund to that of other
mutual  funds and to other  relevant  market  indices  in  advertisements  or in
reports  to  shareholders,  performance  for the Fund may be  stated in terms of


                                       22
<PAGE>

total  return.  Such  average  annual  total  return  quotes  for the  Funds are
calculated according to the following formula:

                                   P(1+T)n(SUPERSCRIPT)=ERV

      Where:    P =  a hypothetical initial payment of $1,000
                T =  average annual total return
                n =  number of years (either 1, 5 or 10)
              ERV =  ending redeemable value of a hypothetical $1,000 payment
                     made at the beginning of the 1, 5 or 10 year periods, as
                     applicable, at the end of that period

Under the foregoing formula,  the time periods used in advertising will be based
on rolling calendar quarters, updated to the last day of the most recent quarter
prior to submission of the advertising for publication,  and will cover 1, 5 and
10 year periods or a shorter  period  dating from the  commencement  of a Fund's
operations.  In  calculating  the ending  redeemable  value,  all  dividends and
distributions  by a Fund are assumed to have been  reinvested at net asset value
on the reinvestment dates during the period. Total return, or "T" in the formula
above, is computed by finding the average annual compounded rates of return over
the 1, 5 and 10 year periods (or fractional  portion  thereof) that would equate
the initial amount invested to the ending redeemable value.

From time to time, each Fund also may include in such advertising a total return
figure that is not calculated  according to the formula set forth above in order
to compare more  accurately  the  performance  of a Fund with other  measures of
investment  return.  For example,  in comparing  the total return of a Fund with
data published by Lipper or with such market  indices as the  performance of (1)
the S&P 500 Index or the DJIA for the U.S. Plus and the  U.S./Short  Funds;  and
(2) the Nasdaq Index for the OTC/Long and the OTC/Short  Funds,  each respective
Fund calculates its aggregate total return for the specified  periods of time by
assuming an investment  of $10,000 in Fund shares and assuming the  reinvestment
of each dividend or other  distribution  at net asset value on the  reinvestment
date.  Percentage  increases are determined by subtracting  the initial value of
the  investment  from the ending  value and by  dividing  the  remainder  by the
beginning value.

   
The total return is as follows for each period of each Fund below.

                                                  
                                                  
      FUND                   PERIOD                  TOTAL
      ----                   ------                 RETURN
                                                    ------
U.S. Plus Fund   .   October 20, 1997
                     (commencement of operations)   (2.23%)
                     to  August 31, 1998

U.S./Short Fund  .   November 7, 1997
                     (commencement of               (5.40%)
                     operations) to August 31, 
                     1998



                                       23
<PAGE>


      FUND                   PERIOD                  TOTAL
      ----                   ------                 RETURN
                                                    ------

OTC Plus Fund    .   October 20, 1997
                     (commencement of operations)     4.10%
                     to August 31, 1998

OTC/Short Fund   .   October 16, 1997
                     (commencement of operations)   (16.20%)
                      to August 31, 1998
    


YIELD COMPUTATIONS
The Money Market Fund's annualized  current yield, as may be quoted from time to
time in  advertisements  and other  communications to shareholders and potential
investors,  is computed for a seven-day  period by  determining  the net change,
exclusive  of capital  changes  and  including  the value of  additional  shares
purchased with  dividends and any dividends  declared  therefrom  (which reflect
deductions of all expenses of the Fund such as advisory fees), in the value of a
hypothetical  preexisting account having a balance of one share at the beginning
of the period,  subtracting a hypothetical  charge  reflecting  deductions  from
shareholder accounts, and dividing the difference by the value of the account at
the  beginning  of the base  period to obtain the base period  return,  and then
multiplying the base period return by (365/7).

The Money Market Fund's  annualized  effective yield, as may be quoted from time
to time in advertisements and other communications to shareholders and potential
investors,  is computed by determining  (for the same stated seven-day period as
the current  yield) the net change,  exclusive of capital  changes and including
the value of  additional  shares  purchased  with  dividends  and any  dividends
declared therefrom (which reflect deductions of all expenses of the Fund such as
advisory  fees),  in the value of a  hypothetical  preexisting  account having a
balance of one share at the beginning of the period, and dividing the difference
by the value of the  account at the  beginning  of the base period to obtain the
base period  return,  and then  compounding  the base period return by adding 1,
raising the sum to a power equal to 365 divided by 7, and subtracting 1 from the
result, according to the following formula:

             Effective Yield = [(Base Period Return + 1) 365/7] - 1

The yields  quoted in any  advertisement  or other  communication  should not be
considered a representation of the yields of the Money Market Fund in the future
since the yield is not fixed.  Actual  yields  will depend not only on the type,
quality,  and  maturities of the  investments  held by the Money Market Fund and
changes in interest rates on such investments,  but also on changes in the Money
Market Fund's expenses during the period.

Yield information may be useful in reviewing the performance of the Money Market
Fund  and  for  providing  a  basis  for   comparison   with  other   investment
alternatives.   However,  unlike  bank  deposits  or  other  investments,  which
typically pay a fixed yield for a stated period of time, the Money Market Fund's
yield will fluctuate.


                                       24
<PAGE>


   
The 7-day  current  yield for the Money  Market  Fund as of August  31,  1998 is
4.17%.
    

                    DIVIDENDS, OTHER DISTRIBUTIONS AND TAXES

DIVIDENDS AND OTHER  DISTRIBUTIONS  Dividends from net investment income and any
distributions  of realized net capital gains and net gains from foreign currency
transactions are distributed as described in the Prospectus under "Dividends and
Other  Distributions."  All distributions from a Fund normally are automatically
reinvested without charge in additional shares of that Fund.

As  discussed  in the  Prospectus,  the Money  Market Fund  ordinarily  declares
dividends  daily from net  investment  income  and  distributes  such  dividends
monthly. Net income, for these purposes, includes accrued interest and accretion
of original issue and market discounts,  less amortization of market premium and
estimated expenses,  and is calculated immediately prior to the determination of
the Fund's net asset value per share.  The Fund  distributes  its net short-term
capital gain, if any, annually but may make more frequent  distributions thereof
if  necessary  to  maintain  its net asset  value per share at $1.00 or to avoid
income or excise  taxes.  The Fund does not  expect  to  realize  net  long-term
capital gain and thus does not anticipate  payment of any  distributions  of net
capital  gain (the  excess of net  long-term  capital  gain over net  short-term
capital  loss).  The Trustees may revise this dividend  policy,  or postpone the
payment  of  dividends,  if the Fund has or  anticipates  any  large  unexpected
expense,  loss, or  fluctuation  in net assets that,  in the Trustees'  opinion,
might have a significant adverse effect on its shareholders.

TAXES  REGULATED  INVESTMENT  COMPANY  STATUS.  To qualify  for  treatment  as a
regulated investment company ("RIC") under the Internal Revenue Code of 1986, as
amended  ("Code"),  each Fund -- which is treated as a separate  corporation for
these purposes -- must distribute to its  shareholders  for each taxable year at
least 90% of its investment company taxable income (consisting  generally of net
investment income and net short-term capital gain) ("Distribution  Requirement")
and must meet several additional requirements. For each Fund, these requirements
include the following: (1) the Fund must derive at least 90% of its gross income
each taxable year from dividends,  interest, payments with respect to securities
loans,  and gains from the sale or other  disposition  of  securities,  or other
income  (including  gains from  options or futures,  derived with respect to its
business of investing in securities ("Income Requirement"); and (2) at the close
of each quarter of the Fund's taxable year, (i) at least 50% of the value of its
total  assets  must be  represented  by cash and  cash  items,  U.S.  Government
Securities,  securities of other RICs,  and other  securities,  with those other
securities  limited,  in respect of any one  issuer,  to an amount that does not
exceed 5% of the value of the Fund's  total  assets and that does not  represent
more than 10% of the issuer's  outstanding voting securities,  and (ii) not more
than 25% of the value of its total assets may be invested in  securities  (other
than U.S.  Government  Securities  or the  securities  of other RICs) of any one
issuer (collectively, "Diversification Requirements").

Although   each  Fund   intends  to  continue  to  satisfy  all  the   foregoing
requirements,  there is no  assurance  that each Fund will be able to do so. The
investment  by a Fund other than the Money Market Fund  primarily in options and
futures  positions  entails some risk that such a Fund might fail to satisfy the
Diversification Requirements.  There is some uncertainty regarding the valuation
of such  positions  for  purposes  of  those  requirements;  accordingly,  it is
possible  that the method of valuation  used by those  Funds,  pursuant to which
each of them would be treated as satisfying  the  Diversification  Requirements,
would not be accepted in an audit by the Internal Revenue  Service,  which might
apply a different method resulting in  disqualification  of one or more of those
Funds.


                                       25
<PAGE>


   
By qualifying for treatment as a RIC, a Fund (but not its shareholders)  will be
relieved of Federal  income tax on the part of its  investment  company  taxable
income and net capital gain that it distributes to its  shareholders.  If a Fund
failed to qualify as a RIC for any taxable  year,  it would be taxed on the full
amount of its  taxable  income  for that year  without  being able to deduct the
distributions it makes to its shareholders and the shareholders  would treat all
those distributions,  including  distributions of net capital gain, as dividends
(that is, ordinary income) to the extent of the Fund's earnings and profits.
    

GENERAL.  If Fund  shares are sold at a loss after  being held for six months or
less, the loss will be treated as long-term, instead of short-term, capital loss
to the  extent of any  capital  gain  distributions  received  on those  shares.
Investors  also should be aware that if shares are purchased  shortly before the
record date for any dividend or capital gain distribution,  the shareholder will
pay full price for the shares and receive  some  portion of the  purchase  price
back as a taxable distribution.

Each Fund will be subject to a nondeductible 4% excise tax ("Excise Tax") to the
extent it fails to distribute by the end of any calendar year  substantially all
of its  ordinary  income  for that  year and  capital  gain net  income  for the
one-year period ending on October 31 of that year, plus certain other amounts.

DISTRIBUTIONS TO FOREIGN SHAREHOLDERS. Dividends paid by a Fund to a shareholder
who, as to the United States,  is a nonresident  alien individual or nonresident
alien  fiduciary  of  a  trust  or  estate,  foreign  corporation,   or  foreign
partnership   ("foreign   shareholder")   generally  will  be  subject  to  U.S.
withholding  tax (at a rate of 30% or, if the  United  States  has an income tax
treaty with the foreign country where the foreign shareholder resides, any lower
treaty rate). An investor claiming to be a foreign  shareholder will be required
to provide a Fund with supporting documentation in order for the Fund to apply a
reduced  withholding  rate or exemption from  withholding.  Withholding will not
apply if a  dividend  paid by a Fund to a foreign  shareholder  is  "effectively
connected  with the  conduct  of a U.S.  trade or  business,"  in which case the
reporting and withholding  requirements applicable to domestic shareholders will
apply.

DERIVATIVES  STRATEGIES.  The use of  derivatives  strategies,  such as  writing
(selling) and purchasing  options and futures  contracts  involves complex rules
that will determine for income tax purposes the amount, character, and timing of
recognition  of the gains and losses a Fund  realizes in  connection  therewith.
Gains from options, and futures,  derived by a Fund with respect to its business
of investing in securities  will qualify as permissible  income under the Income
Requirement.

Certain options (including  options on "broad-based"  stock indices) and futures
in which the Funds may invest may be  "section  1256  contracts."  Section  1256
contracts  held by a Fund at the end of each  taxable  year,  other than section
1256  contracts  that are part of a "mixed  straddle"  with respect to which the
Fund has  made an  election  not to have  the  following  rules  apply,  must be
"marked-to-market"  (that is,  treated as sold for their fair market  value) for
Federal  income tax purposes,  with the result that  unrealized  gains or losses
will be treated as though they were  realized.  Sixty percent of any net gain or
loss recognized on these deemed sales,  and 60% of any net realized gain or loss
from any actual sales of section 1256 contracts, will be treated as long-term


                                       26
<PAGE>

capital gain or loss, and the balance will be treated as short-term capital gain
or loss. Section 1256 contracts also may be marked-to-market for purposes of the
Excise Tax.

Code  section  1092  (dealing  with  straddles)  may also affect the taxation of
options  and  futures  contracts  in which the Funds may  invest.  Section  1092
defines a "straddle" as offsetting  positions with respect to personal property;
for these purposes, options and futures contracts are personal property. Section
1092  generally  provides that any loss from the  disposition of a position in a
straddle may be deducted only to the extent the loss exceeds the unrealized gain
on the  offsetting  position(s)  of the  straddle.  Section  1092 also  provides
certain "wash sale" rules,  which apply to transactions where a position is sold
at a loss and a new offsetting  position is acquired within a prescribed period,
and  "short  sale"  rules  applicable  to  straddles.  If a Fund  makes  certain
elections, the amount,  character, and timing of recognition of gains and losses
from the affected  straddle  positions would be determined under rules that vary
according  to  the  elections  made.  Because  only  a few  of  the  regulations
implementing the straddle rules have been  promulgated,  the tax consequences to
the Funds of straddle transactions are not entirely clear.

If a call  option  written by a Fund  lapses  (i.e.,  terminates  without  being
exercised),  the  amount of the  premium  it  received  for the  option  will be
short-term  capital gain. If a Fund enters into a closing  purchase  transaction
with respect to a written call option, it will have a short-term capital gain or
loss based on the  difference  between the premium it received for the option it
wrote  and the  premium  it pays for the  option  it buys.  If such an option is
exercised and a Fund thus sells the  securities or futures  contract  subject to
the option, the premium the Fund received will be added to the exercise price to
determine  the gain or loss on the sale.  If a call option  purchased  by a Fund
lapses, it will realize  short-term or long-term capital loss,  depending on its
holding period for the security or futures contract  subject thereto.  If a Fund
exercises a purchased  call  option,  the premium it paid for the option will be
added to the basis of the subject securities or futures contract.

The foregoing is only a general summary of some of the important  Federal income
tax considerations  generally affecting the Funds. No attempt is made to present
a complete  explanation  of the Federal tax treatment of their  activities,  and
this  discussion  is not  intended as a  substitute  for  careful tax  planning.
Accordingly, potential investors are urged to consult their own tax advisers for
more detailed  information  and for  information  regarding any state,  local or
foreign taxes  applicable to the Funds and to dividends and other  distributions
therefrom.


                              FINANCIAL STATEMENTS

   
      The  Trust's  financial statements  for the  period ended August 31, 1998,
which have been derived from the Funds' financial  records,  are included herein
this Statement of Additional Information. The financial statements and financial
highlights  of  the  Funds  that  appear  in  this  SAI  have  been  audited  by
PricewaterhouseCoopers  LLP,  and are  included  herein in  reliance  upon their
authority as experts in accounting and auditing.
    

      The  Report of the  Independent  Accounts  and  Financial  Statements  are
incorporated by reference from the Trust's Annual Report to Shareholders for the
fiscal  year ended  August 31,  1998,  filed with the  Securities  and  Exchange
Commission on November 6, 1998, Accession No. 0000891804-98-002297.

<PAGE>

                                THE POTOMAC FUNDS

                            PART C OTHER INFORMATION
                            ------------------------


Item 23.       Exhibits
               --------

               (a)           Declaration of Trust*

               (b)           By-Laws*

               (c)           Voting trust agreement - None

               (d)(i)        Form of Investment Advisory Agreement**

                   (ii)(A)   Form of Fund Administration Servicing Agreement**

                   (ii)(B)   Form of Addendum to Fund Administration Servicing
                             Agreement (filed herewith)

               (e)(i)        Form of Distribution Agreement between the Potomac
                             Funds and Rafferty Capital Markets, Inc.***

                   (ii)      Form of Dealer Agreement (CARET)

               (f)           Bonus, profit sharing contracts - None

               (g)(i)        Form of Custodian Agreement**

                   (ii)      Form of Addendum to Custodian Agreement (filed 
                             herewith)

               (h)(i)(A)     Form of Transfer Agent Agreement**

                   (i)(B)    Form of Addendum to Transfer Agent Agreement (filed
                             herewith)

                   (ii)(A)   Form of Fund Accounting Servicing Agreement**

                   (ii)(B)   Form of Addendum to Fund Accounting Servicing 
                             Agreement (filed herewith)

                   (iii)     Form of Fulfillment Servicing Agreement**

               (i)           Opinion and consent of counsel (filed herewith)

               (j)           Consent of Independent Auditors (filed herewith)

               (k)           Financial statements omitted from prospectus - None


<PAGE>


               (l)           Letter of investment intent**

               (m)           Plan pursuant to Rule 12b-1**

               (n)           Financial Data Schedules (filed herewith)

               (o)           Plan pursuant to Rule 18f-3 (not applicable)

- ------- 
*  Incorporated  herein  by  reference  from the  Trust's  Initial  Registration
Statement on Form N-1A filed with the Securities and Exchange Commission on June
6, 1997 via EDGAR, Accession No. 0000898432-97-000314.

** Incorporated  herein by reference from the  Pre-effective  Amendment No. 1 to
the Trust's  Registration  Statement on Form N-1A, filed with the Securities and
Exchange   Commission   on  September   17,  1997  via  EDGAR,   Accession   No.
0000898432-97-000410.

*** Incorporated  herein by reference from the Post-effective  Amendment No.1 to
the Trust's  Registration  Statement on Form N-1A, filed with the Securities and
Exchange   Commission   on   June   15,   1998   via   EDGAR,    Accession   No.
0000898432-98-000498.

(CARET)  To be filed by subsequent amendment.

Item 24        Persons Controlled by or under
               Common Control With Registrant
               ------------------------------

               None.

Item 25.       Indemnification
               ---------------

        Article XI, Section 2 of the Trust's Declaration of Trust provides that:

        (a) Subject to the exceptions and limitations contained in paragraph (b)
below:

               (i) every person who is, or has been, a Trustee or officer of the
Trust  (hereinafter  referred to as a "Covered  Person") shall be indemnified by
the Trust and/or by the  appropriate  Series to the fullest extent  permitted by
law against  liability and against all expenses  reasonably  incurred or paid by
him or her in connection with any claim,  action, suit or proceeding in which he
or she becomes involved as a party or otherwise by virtue of his or her being or
having been a Covered Person and against  amounts paid or incurred by him or her
in the settlement thereof;

               (ii) the words "claim,"  "action," "suit," or "proceeding"  shall
apply to all claims,  actions,  suits or proceedings (civil,  criminal or other,
including appeals),  actual or threatened while a Covered Person is in office or
thereafter,  and the words  "liability"  and "expenses"  shall include,  without
limitation,  attorneys'  fees,  costs,  judgments,  amounts paid in  settlement,
fines, penalties and other liabilities.

        (b) No indemnification shall be provided hereunder to a Covered Person:

                                      C-2
<PAGE>



               (i) who shall  have been  adjudicated  by a court or body  before
which  the  proceeding  was  brought  (A)  to be  liable  to  the  Trust  or its
Shareholders by reason of willful  misfeasance,  bad faith,  gross negligence or
reckless disregard of the duties involved in the conduct of his or her office or
(B) not to have acted in good  faith in the  reasonable  belief  that his or her
action was in the best interest of the Trust; or

               (ii) in the  event  of a  settlement,  unless  there  has  been a
determination  that such Covered  Person did not engage in willful  misfeasance,
bad faith,  gross negligence or reckless disregard of the duties involved in the
conduct  of his or her  office,  (A) by the court or other  body  approving  the
settlement;  (B) by at  least a  majority  of  those  Trustees  who are  neither
Interested Persons of the Trust nor parties to the matter based upon a review of
readily  available  facts  (as  opposed  to a full  trial-type  inquiry  or full
investigation);  or (C) by written  opinion of  independent  legal counsel based
upon a review of  readily  available  facts  (as  opposed  to a full  trial-type
inquiry);  provided,  however,  that any Shareholder  may, by appropriate  legal
proceedings, challenge any such determination by the Trustees, or by independent
legal counsel.

        (c) The rights of indemnification herein provided may be insured against
by policies maintained by the Trust, shall be severable,  shall not be exclusive
of or affect any other  rights to which any Covered  Person may now or hereafter
be entitled,  shall continue as to a person who has ceased to be such Trustee or
officer  and  shall  inure  to  the   benefit  of  the  heirs,   executors   and
administrators  of such a person.  Nothing  contained  herein  shall  affect any
rights to  indemnification  to which Trust  personnel,  other than  Trustees and
officers, and other persons may be entitled by contract or otherwise under law.

        (d) Expenses in connection with the  preparation  and  presentation of a
defense to any claim,  action,  suit or proceeding of the character described in
paragraph (a) of this Section 2 may be paid by the Trust from time to time prior
to final  disposition  thereof upon receipt of an undertaking by or on behalf of
such  Covered  Person  that such  amount  will be paid over by him or her to the
Trust  if it is  ultimately  determined  that  he or  she  is  not  entitled  to
indemnification under this Section 2; provided, however, that:

               (i) such Covered Person shall have provided  appropriate security
for such undertaking,

               (ii) the Trust is insured  against losses arising out of any such
advance payments, or

               (iii)   either  a  majority  of  the  Trustees  who  are  neither
interested  persons of the Trust nor parties to the matter, or independent legal
counsel  in a written  opinion,  shall have  determined,  based upon a review of
readily   available   facts  (as  opposed  to  a  trial-type   inquiry  or  full
investigation), that there is reason to believe that such Covered Person will be
found entitled to indemnification under this Section 2.

        According to Article XII,  Section 1 of the  Declaration  of Trust,  the
Trust is a trust and not a  partnership.  Trustees are not liable  personally to
any person extending credit to, contracting with or having any claim against the
Trust, a particular Series or the Trustees. A Trustee, however, is not protected
from  liability  due to willful  misfeasance,  bad faith,  gross  negligence  or
reckless disregard of the duties involved in the conduct of his office.

        Article  XII,  Section 2 provides  that,  subject to the  provisions  of
Section 1 of Article  XII and to Article  XI,  the  Trustees  are not liable for
errors of  judgment  or  mistakes  of fact or law, or for any act or omission in
accordance with advice of counsel or other experts or for failing to follow such
advice.

                                      C-3
<PAGE>




Item 26.       BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER

        Rafferty Asset Management,  LLC (the "Adviser"),  550 Mamaroneck Avenue,
Harrison, New York 10528, offers investment advisory services. Information as to
the  officers  and  directors of the Adviser is included in its current Form ADV
filed  with  the  Securities  and  Exchange  Commission   (Registration   Number
801-54679) and is incorporated herein by reference.

Item 27.       PRINCIPAL UNDERWRITER
               ---------------------

        (a) Rafferty Capital Markets, Inc., 550 Mamaroneck Avenue, Harrison, New
York 10528,  serves as  principal  underwriter  for the Potomac  Funds,  Badgley
Funds, Homestate Group and Texas Capital Value Funds.

(b)     The director and officers of Rafferty Capital Markets, Inc. are:
<TABLE>
<CAPTION>
                                    Positions and Offices with          Position and Offices
        Name                                Underwriter                    With Registrant  
- ---------------------               --------------------------          --------------------  
<S>                                         <C>                         <C>
Thomas A. Mulrooney                         President                   Chief Operating Officer

Derek B. Park                               Senior Vice President,      None
                                            Equity

Lawrence C. Rafferty                        Director                    Chief Executive Officer,
                                                                        President, Chairman of
                                                                        the Board of Trustees

Stephen P. Sprague                          CFO/FINOP                   Treasurer, Controller,
                                                                        and Assistant Secretary
</TABLE>

The  principal  business  address  of each of the  persons  listed  above is 550
Mamaroneck Avenue, Harrison, New York 10528.

Item 28.       Location of Accounts and Records
               --------------------------------

        The books and records  required to be maintained by Section 31(a) of the
Investment Company Act of 1940 are maintained in the physical  possession of the
Potomac Funds' investment adviser,  administrator,  custodian,  subcustodian, or
transfer agent.


Item 29.       Management Services
               -------------------

        Not applicable.


Item 30.       Undertakings
               ------------

        Registrant hereby undertakes to furnish each person to whom a prospectus
is delivered a copy of its latest  annual report to  Shareholders,  upon request
and without charge.

                                      C-4
<PAGE>



                                   SIGNATURES

        Pursuant to the  requirements of the Securities Act of 1933, as amended,
and the Investment  Company Act of 1940, as amended,  the  Registrant  certifies
that it meets all of the  requirements for  effectiveness  of this  Registration
Statement  under Rule 485(b) under the  Securities  Act and has duly caused this
Post-Effective  Amendment No. 2 to its Registration Statement on Form N-1A to be
signed on its behalf by the undersigned,  thereunto duly authorized, in the City
of Harrison and the State of New York on November 30, 1998.

                            POTOMAC FUNDS


                            By: Lawrence C. Rafferty*
                                ---------------------
                                Lawrence C. Rafferty
                                President

Attest:


Timothy P. Hagan*            
- -----------------            
Timothy P. Hagan
Chief Financial Officer

        Pursuant to the  requirements of the Securities Act of 1933, as amended,
this  Post-Effective  Amendment  No. 2 to its  Registration  Statement  has been
signed  below  by the  following  persons  in the  capacities  and on the  dates
indicated.

Signature                              Title                        Date
- ---------                              -----                        ----

Lawrence C. Rafferty*           Chairman of the Board         November 30, 1998
- -----------------------------
Lawrence C. Rafferty            of Trustees and President

Jay F. Higgins*                      Trustee                  November 30, 1998
- -----------------------------
Jay F. Higgins

Daniel J. Byrne*                     Trustee                  November 30, 1998
- -----------------------------
Daniel J. Byrne

George T. Glisker*                   Trustee                  November 30, 1998
- -----------------------------
George T. Glisker

Gerald E. Shanley Iii*               Trustee                  November 30, 1998
- ------------------------------
Gerald E. Shanley III


/s/ Robert J. Zutz
- ---------------------------------------
*Robert J. Zutz, Attorney-in-Fact


                        
<PAGE>
<TABLE>
<CAPTION>
                                INDEX TO EXHIBITS

Exhibit
Number                Description                                                     Page
- ------                -----------                                                     ----
<S>                   <C>                                                             <C>

(a)                   Declaration of Trust*

(b)                   By-Laws*

(c)                   Voting trust agreement - None

(d)     (i)           Form of Investment Advisory Agreement**

        (ii)(A)       Form of Fund Administration Servicing Agreement**

        (ii)(B)       Form of Addendum to Fund Administration Servicing 
                      Agreement (filed herewith)

(e)     (i)           Form of Distribution Agreement between the Potomac Funds and Rafferty
                      Capital Markets, Inc.***

        (ii)          Form of Dealer Agreement (CARET)

(f)                   Bonus, profit sharing contracts - None

(g)     (i)           Form of Custodian Agreement**

        (ii)          Form of Addendum to Custodian Agreement (filed herewith)

(h)     (i)(A)        Form of Transfer Agent Agreement**

        (i)(B)        Form of Addendum to Transfer Agent Agreement (filed herewith)

        (ii)(A)       Form of Fund Accounting Servicing Agreement**

        (ii)(B)       Form of Addendum to Fund Accounting Servicing Agreement (filed herewith)

        (iii)         Form of Fulfillment Servicing Agreement**

(i)                   Opinion and consent of counsel (filed herewith)

(j)                   Consent of Independent Auditors (filed herewith)

(k)                   Financial statements omitted from prospectus - None

(l)                   Letter of investment intent**

(m)                   Plan pursuant to Rule 12b-1**

(n)                   Financial Data Schedules (filed herewith)
<PAGE>



(o)                   Plan pursuant to Rule 18f-3 (not applicable)
</TABLE>
- ------- 
*  Incorporated  herein  by  reference  from the  Trust's  Initial  Registration
Statement on Form N-1A filed with the Securities and Exchange Commission on June
6, 1997 via EDGAR, Accession No. 0000898432-97-000314.

** Incorporated  herein by reference from the  Pre-effective  Amendment No. 1 to
the Trust's  Registration  Statement on Form N-1A, filed with the Securities and
Exchange   Commission   on  September   17,  1997  via  EDGAR,   Accession   No.
0000898432-97-000410.

*** Incorporated herein by reference from the Post-effective  Amendment No. 1 to
the Trust's  Registration  Statement on Form N-1A, filed with the Securities and
Exchange   Commission   on   June   15,   1998   via   EDGAR,    Accession   No.
0000898432-98-000498.

(CARET)  To be filed by subsequent amendment.


<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0001040587
<NAME> POTOMAC FUNDS
<SERIES>
   <NUMBER> 3
   <NAME> POTOMAC U.S. PLUS FUND
       
<S>                             <C>
<PERIOD-TYPE>                   11-MOS
<FISCAL-YEAR-END>                          AUG-31-1998
<PERIOD-START>                             OCT-20-1997
<PERIOD-END>                               AUG-31-1998
<INVESTMENTS-AT-COST>                           606584
<INVESTMENTS-AT-VALUE>                          600484
<RECEIVABLES>                                    10479
<ASSETS-OTHER>                                  128882
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  739845
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       272848
<TOTAL-LIABILITIES>                             272848
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        387731
<SHARES-COMMON-STOCK>                            47853
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                        15745
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                         166385
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                      (102864)
<NET-ASSETS>                                    466997
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                               493377
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                  142125
<NET-INVESTMENT-INCOME>                         351252
<REALIZED-GAINS-CURRENT>                       1449351
<APPREC-INCREASE-CURRENT>                     (102864)
<NET-CHANGE-FROM-OPS>                          1697739
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                        35123
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                       12380102
<NUMBER-OF-SHARES-REDEEMED>                   12335720
<SHARES-REINVESTED>                               3471
<NET-CHANGE-IN-ASSETS>                          466997
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            71062
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 239048
<AVERAGE-NET-ASSETS>                          10978928
<PER-SHARE-NAV-BEGIN>                            10.00
<PER-SHARE-NII>                                   0.36
<PER-SHARE-GAIN-APPREC>                         (0.58)
<PER-SHARE-DIVIDEND>                            (0.02)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.76
<EXPENSE-RATIO>                                   1.50
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0001040587
<NAME> POTOMAC FUNDS
<SERIES>
   <NUMBER> 4
   <NAME> POTOMAC U.S./SHORT FUND
       
<S>                             <C>
<PERIOD-TYPE>                   10-MOS
<FISCAL-YEAR-END>                          AUG-31-1998
<PERIOD-START>                              NOV-7-1997
<PERIOD-END>                               AUG-31-1998
<INVESTMENTS-AT-COST>                          6526954
<INVESTMENTS-AT-VALUE>                         6866942
<RECEIVABLES>                                   365965
<ASSETS-OTHER>                                  666588
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                 7899495
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       130843
<TOTAL-LIABILITIES>                             130843
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       7726289
<SHARES-COMMON-STOCK>                           821052
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                         4928
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                       (899449)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                        936884
<NET-ASSETS>                                   7768652
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                78637
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                   25526
<NET-INVESTMENT-INCOME>                          53111
<REALIZED-GAINS-CURRENT>                      (403411)
<APPREC-INCREASE-CURRENT>                       936884
<NET-CHANGE-FROM-OPS>                           586584
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                       10631219
<NUMBER-OF-SHARES-REDEEMED>                    9810167
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                         7768652
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            14663
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  86252
<AVERAGE-NET-ASSETS>                           2015844
<PER-SHARE-NAV-BEGIN>                            10.00
<PER-SHARE-NII>                                   0.23
<PER-SHARE-GAIN-APPREC>                         (0.77)
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.46
<EXPENSE-RATIO>                                   1.57
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0001040587
<NAME> POTOMAC FUNDS
<SERIES>
   <NUMBER> 5
   <NAME> POTOMAC OTC PLUS FUND
       
<S>                             <C>
<PERIOD-TYPE>                   11-MOS
<FISCAL-YEAR-END>                          AUG-31-1998
<PERIOD-START>                             OCT-20-1997
<PERIOD-END>                               AUG-31-1998
<INVESTMENTS-AT-COST>                          6966078
<INVESTMENTS-AT-VALUE>                         7388587
<RECEIVABLES>                                  1177226
<ASSETS-OTHER>                                  611264
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                 9177077
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                      1496531
<TOTAL-LIABILITIES>                            1496531
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       8745588
<SHARES-COMMON-STOCK>                           737536
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                      (1237113)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                        172071
<NET-ASSETS>                                   7680546
<DIVIDEND-INCOME>                                15169
<INTEREST-INCOME>                                18543
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                  135527
<NET-INVESTMENT-INCOME>                       (101815)
<REALIZED-GAINS-CURRENT>                       2282566
<APPREC-INCREASE-CURRENT>                       172071
<NET-CHANGE-FROM-OPS>                          2352822
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                       28545895
<NUMBER-OF-SHARES-REDEEMED>                   27808359
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                         7680546
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            67763
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 290396
<AVERAGE-NET-ASSETS>                          10469271
<PER-SHARE-NAV-BEGIN>                            10.00
<PER-SHARE-NII>                                 (0.11)
<PER-SHARE-GAIN-APPREC>                           0.52
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.41
<EXPENSE-RATIO>                                   1.50
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0001040587
<NAME> POTOMAC FUNDS
<SERIES>
   <NUMBER> 6
   <NAME> POTOMAC OTC/SHORT FUND
       
<S>                             <C>
<PERIOD-TYPE>                   11-MOS
<FISCAL-YEAR-END>                          AUG-31-1998
<PERIOD-START>                             OCT-16-1997
<PERIOD-END>                               AUG-31-1998
<INVESTMENTS-AT-COST>                         11412524
<INVESTMENTS-AT-VALUE>                        11413080
<RECEIVABLES>                                  5279033
<ASSETS-OTHER>                                25670221
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                42362334
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                     23193796
<TOTAL-LIABILITIES>                           23193796
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                      21075426
<SHARES-COMMON-STOCK>                          2286861
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                        11388
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                      (5468664)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       3550388
<NET-ASSETS>                                  19168538
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                               184794
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                  106147
<NET-INVESTMENT-INCOME>                          78647
<REALIZED-GAINS-CURRENT>                     (5381857)
<APPREC-INCREASE-CURRENT>                      3550388
<NET-CHANGE-FROM-OPS>                        (1752822)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                       35233130
<NUMBER-OF-SHARES-REDEEMED>                   32946269
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                        19168538
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            53805
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 221282
<AVERAGE-NET-ASSETS>                           6840391
<PER-SHARE-NAV-BEGIN>                            10.00
<PER-SHARE-NII>                                   0.09
<PER-SHARE-GAIN-APPREC>                         (1.71)
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               8.38
<EXPENSE-RATIO>                                   1.64
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0001040587
<NAME> POTOMAC FUNDS
<SERIES>
   <NUMBER> 7
   <NAME> POTOMAC U.S. GOVERNMENT MONEY MARKET FUND
       
<S>                             <C>
<PERIOD-TYPE>                   11-MOS
<FISCAL-YEAR-END>                          AUG-31-1998
<PERIOD-START>                             OCT-20-1997
<PERIOD-END>                               AUG-31-1998
<INVESTMENTS-AT-COST>                         12380653
<INVESTMENTS-AT-VALUE>                        12380653
<RECEIVABLES>                                  3132889
<ASSETS-OTHER>                                   30431
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                15543973
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                      6173589
<TOTAL-LIABILITIES>                            6173589
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       9352613
<SHARES-COMMON-STOCK>                          9370384
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                        17771
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                             0
<NET-ASSETS>                                   9370384
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                               184081
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                   34335
<NET-INVESTMENT-INCOME>                         149746
<REALIZED-GAINS-CURRENT>                             0
<APPREC-INCREASE-CURRENT>                            0
<NET-CHANGE-FROM-OPS>                           149746
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                       149746
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                      198593087
<NUMBER-OF-SHARES-REDEEMED>                  189292611
<SHARES-REINVESTED>                              69908
<NET-CHANGE-IN-ASSETS>                         9370384
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            17168
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 127133
<AVERAGE-NET-ASSETS>                           3977292
<PER-SHARE-NAV-BEGIN>                             1.00
<PER-SHARE-NII>                                   0.04
<PER-SHARE-GAIN-APPREC>                              0
<PER-SHARE-DIVIDEND>                              0.04
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               1.00
<EXPENSE-RATIO>                                   1.00
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>





                    Addendum to Firstar Servicing Agreements

This Addendum to the Fund Administration Servicing Agreement dated August 31,
1997, and the Fund Accounting and Transfer Agent Servicing Agreements dated
August 29, 1997, is entered into by and between Firstar Mutual Fund Services,
LLC and the Potomac Funds on this __________ day of November, 1998.

WHEREAS, the mutual funds servicing division of Firstar Trust Company became a
limited liability company and separate subsidiary of Firstar Bank Milwaukee,
N.A. on September 30, 1998; and

WHEREAS, the entity known as Firstar Trust Company ceased operations on
September 30, 1998; NOW,

THEREFORE, Firstar Mutual Fund Services, LLC will be the successor responsible
party to each of the Agreements referenced above and will assume all
responsibility for any acts or omissions during the time Firstar Trust Company
was the named service provider under these same Agreements.

Firstar Mutual Fund Services, LLC                Potomac Funds

BY:______________________________                BY:________________________


ATTEST:__________________________                ATTEST:____________________





                    Addendum to Firstar Servicing Agreements

This Addendum to the Fund Administration Servicing Agreement dated August 31,
1997, and the Fund Accounting and Transfer Agent Servicing Agreements dated
August 29, 1997, is entered into by and between Firstar Mutual Fund Services,
LLC and the Potomac Funds on this __________ day of November, 1998.

WHEREAS, the mutual funds servicing division of Firstar Trust Company became a
limited liability company and separate subsidiary of Firstar Bank Milwaukee,
N.A. on September 30, 1998; and

WHEREAS, the entity known as Firstar Trust Company ceased operations on
September 30, 1998; NOW,

THEREFORE, Firstar Mutual Fund Services, LLC will be the successor responsible
party to each of the Agreements referenced above and will assume all
responsibility for any acts or omissions during the time Firstar Trust Company
was the named service provider under these same Agreements.

Firstar Mutual Fund Services, LLC                Potomac Funds

BY:______________________________                BY:________________________


ATTEST:__________________________                ATTEST:____________________



                    Addendum to Firstar Servicing Agreements

This Addendum to the Fund Administration Servicing Agreement dated August 31,
1997, and the Fund Accounting and Transfer Agent Servicing Agreements dated
August 29, 1997, is entered into by and between Firstar Mutual Fund Services,
LLC and the Potomac Funds on this __________ day of November, 1998.

WHEREAS, the mutual funds servicing division of Firstar Trust Company became a
limited liability company and separate subsidiary of Firstar Bank Milwaukee,
N.A. on September 30, 1998; and

WHEREAS, the entity known as Firstar Trust Company ceased operations on
September 30, 1998; NOW,

THEREFORE, Firstar Mutual Fund Services, LLC will be the successor responsible
party to each of the Agreements referenced above and will assume all
responsibility for any acts or omissions during the time Firstar Trust Company
was the named service provider under these same Agreements.

Firstar Mutual Fund Services, LLC                Potomac Funds

BY:______________________________                BY:________________________


ATTEST:__________________________                ATTEST:____________________




                            KIRKPATRICK LOCKHART LLP
                         1800 MASSACHUSETTS AVENUE, N.W.
                                    2ND FLOOR
                           WASHINGTON, D.C. 20036-1800

                            TELEPHONE (202) 778-9000
                            FACSIMILE (202) 778-9100


                                November 30, 1998



Potomac Funds
550 Mamaroneck Avenue
Harrison, New York 10528

Ladies and Gentlemen:

        You have  requested  our  opinion,  as  counsel  to  Potomac  Funds (the
"Trust"),  as to certain matters  regarding the issuance of Shares of the Trust.
As used in this  letter,  the term  "Shares"  means  the  shares  of  beneficial
interest of each of the following  series of the Trust:  Potomac U.S. Plus Fund,
Potomac  U.S./Short  Fund,  Potomac OTC Plus Fund,  Potomac  OTC/Short  Fund and
Potomac U.S. Government Money Market Fund.

        As such counsel, we have examined certified or other copies, believed by
us to be  genuine,  of the  Trust's  Declaration  of Trust and  by-laws and such
resolutions  and minutes of meetings of the Trust's Board of Trustees as we have
deemed relevant to our opinion,  as set forth herein.  Our opinion is limited to
the laws and facts in existence on the date hereof, and it is further limited to
the  laws  (other  than  the  conflict  of law  rules)  in the  Commonwealth  of
Massachusetts that in our experience are normally  applicable to the issuance of
shares by  unincorporated  voluntary  associations  and to the Securities Act of
1933 ("1933  Act"),  the  Investment  Company  Act of 1940 ("1940  Act") and the
regulations of the Securities and Exchange Commission ("SEC") thereunder.

        Based on present laws and facts, we are of the opinion that the issuance
of the  Shares  has been duly  authorized  by the  Trust and that,  when sold in
accordance with the terms contemplated by the Post-Effective  Amendment No. 2 to
the Trust's  Registration  Statement on Form N-1A ("PEA"),  including receipt by
the Trust of full  payment for the Shares and  compliance  with the 1933 Act and
the 1940  Act,  the  Shares  will  have  been  validly  issued,  fully  paid and
non-assessable.

        We note, however, that the Trust is an entity of the type commonly known
as a  "Massachusetts  business  trust." Under  Massachusetts  law,  shareholders
could,  under  certain   circumstances,   be  held  personally  liable  for  the
obligations  of the Trust.  The  Declaration  of Trust  states  that all persons
extending  credit to,  contracting with or having any claim against the Trust or
the Trustees  shall look only to the assets of the Trust for payment  under such
credit,  contract or claim; and neither the  Shareholders nor the Trustees,  nor
any of their agents, whether past, present or future, shall be personally liable
therefor.  It also requires that every note, bond, contract or other undertaking
issued by or on behalf of the Trust or the Trustees  relating to the Trust shall
include a recitation  limiting the obligation  represented  thereby to the Trust
and  its  assets.   The   Declaration  of  Trust  further   provides:   (1)  for
indemnification  from the  assets of the Trust for all loss and  expense  of any
shareholder held personally liable for the obligations of the Trust by virtue of
ownership of shares of the Trust; and (2) for the Trust to assume the defense of

<PAGE>



Potomac Funds
November 30, 1998
Page 2


any claim against the shareholder for any act or obligation of the Trust.  Thus,
the risk of a shareholder  incurring  financial  loss on account of  shareholder
liability  is limited  to  circumstances  in which the Trust or series  would be
unable to meet its obligations.

        We hereby consent to this opinion  accompanying the PEA when it is filed
with the SEC and to the reference to our firm in the PEA.

                                 Very truly yours,

                                 KIRKPATRICK & LOCKHART LLP



                                 By  /s/ Robert J. Zutz
                                     ------------------
                                        Robert J. Zutz



                       CONSENT OF INDEPENDENT ACCOUNTANTS


We hereby consent to the use in the Statement of Additional Information
constituting part of this Post-Effective Amendment No. 2 to the registration
statement on Form N-1A (the "Registration Statement") of our report dated
October 28, 1998, relating to the financial statements and financial highlights
of Potomac Funds, which appears in such Statement of Additional Information, and
to the incorporation by reference of our report into the Prospectus which
constitutes part of this Registration Statement. We also consent to the
references to us under the heading "Independent Accountants" in such Statement
of Additional Information and to the reference to us under the heading
"Independent Accountants" in such Prospectus.


/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP
Milwaukee, Wisconsin
November 30, 1998



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