PARNASSUS FUND
485BPOS, 1998-04-01
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                                                                March 30, 1998

Securities and Exchange Commission
450 Fifth Street NW
Washington, DC 20549

Re: The Parnassus Fund
    1940 Act File No. 811-4044
    1933 Act File No. 2-93131

Ladies and Gentlemen:

Enclosed  herewith for filing on behalf of The Parnassus  Fund,  pursuant to the
Securities Act of 1933 and the Investment Company Act of 1940 is the following:

         Electronic  filing  of  the  Post-Effective  Amendment  No.  16 to  the
         Registration Statement on Form N-1A which contains a total of 95 pages.

This filing will become effective on April 1, 1998,  pursuant to Rule 485 (b) of
the 1933 Act. It complies with the  requirements  for an annual amendment to the
registration statement pursuant to Regulation 270.8b-16 of the 1940 Act.


                                                                Yours truly,


                                                                Jerome L. Dodson
                                                                President


<PAGE>


                                                     1933 Act File No.: 2-93131
                                                     1940 Act File No.: 811-4044

                       Securities and Exchange Commission
                              Washington, DC 20549


                                    Form N-1A

                  REGISTRATION UNDER THE SECURITIES ACT OF 1933


                         Post Effective Amendment No. 16

                                     and/or

                  REGISTRATION UNDER THE INVESTMENT ACT OF 1940

                                Amendment No. 18

                              _____________________

                               THE PARNASSUS FUND

               (Exact Name of Registrant as Specified in Charter)

                        One Market - Steuart Tower #1600
                             San Francisco, CA 94105

                     (Address of Principal Executive Office)

        Registrant's Telephone Number including Area Code: (415) 778-0200

                                Jerome L. Dodson
                        One Market - Steuart Tower #1600
                             San Francisco, CA 94105

                     (Name and Address of Agent for Service)
                             ----------------------

              It is proposed that this filing will become effective

            X On April 1, 1998 pursuant to paragraph (b) of Rule 485



Issuer has  registered an indefinite  number of securities  under the Securities
Act of 1933 pursuant to Section 270.24f-2 and the Rule 24f-2 notice for issuer's
fiscal year ending December 31, 1997 was filed on February 25, 1998.






<PAGE>


                               THE PARNASSUS FUND

                              Cross Reference Index
          ITEM                                  REFERENCE
          ----                                  ---------
Part A.   Information Required in a Prospectus
 Item 1.  Cover Page                            Cover Page (p.1)
 Item 2.  Synopsis; Fee Information             Fund Expenses (p.2)
 Item 3.  Financial Highlights                  Financial Highlights (p.3)
 Item 4.  General Description of Registrant     Investment Objective (p.4)
                                                Principal Investment 
                                                Restrictions (p.6); General 
                                                Information (p.13)
 Item 5.  Management of the Fund                Management (p.6); The Adviser 
                                                (p.8) General Information (p.13)
 Item 6.  Capital Stock and other Securities    Distributions and Taxes (p.11);
                                                How to Purchase Shares (p.8) 
                                                Management (p.6)
 Item 7.  Purchase of Securities                How to Purchase Shares (p.8)
 Item 8.  Redemption or Repurchase              How to Redeem Shares (p.10)
 Item 9.  Legal Proceedings                     None


Part B    Information Required in a Statement of Additional Information
 Item 10. Cover Page                            Cover Page (B-1)

 Item 11. Table of Contents                     Table of Contents (B-1)
 
 Item 12. General Information & History         General (B-8)
 
 Item 13. Investment Objective & Policies       Investment Objectives & 
                                                Policies (B-2)
 
 Item 14. Management of the Registrant          Management (B-4)
 
 Item 15. Control Person & Principal            Control Persons (B-5)
          Holders of Securities
 Item 16. Investment Advisory & Other           The Adviser (B-5)
          Services
 Item 17. Brokerage Allocation & Other          The Adviser (B-5); Portfolio 
          Practices                             Transactions and Brokerage (B-6)
 Item 18. Capital Stock & Other Securities      General (B-8)
 
 Item 19. Purchase, Redemption & Pricing of     Net Asset Value (B-7)
          Securities Being Offered
 Item 20. Tax Status                            Prospectus (p.13)
 
 Item 21. Underwriters                          Portfolio Transactions and 
                                                Brokerage (B-6)
 Item 22. Calculation of Performance Data       Performance Advertising and 
                                                Calculation of Total Return and 
                                                Yield (B-7); Prospectus (p.12)
 Item 23. Financial Statements                  Financial Statements (B-9)


<PAGE>

THE PARNASSUS FUND
PROSPECTUS-APRIL 1, 1998

     The  Parnassus  Fund (the  "Fund")  is a  diversified  open-end  management
investment company, managed by Parnassus Investments (the "Adviser"). The Fund's
investment  objective  is to achieve  long-term  growth of capital.  The Adviser
chooses the Fund's  investments using social as well as financial  criteria.  In
general,  the Adviser  will  choose  investments  that it  believes  will have a
positive social impact.

     This  Prospectus  provides you with the basic  information  you should know
before  investing  in the  Fund.  You  should  read it and  keep  it for  future
reference.  A Statement of Additional  Information  ("SAI") dated April 1, 1998,
containing  additional  information  about  the  Fund has  been  filed  with the
Securities  and Exchange  Commission  and is  incorporated  by reference in this
Prospectus in its entirety. You may obtain a copy of the Statement of Additional
Information  without charge by calling or writing the Fund at the address listed
above.



                                TABLE OF CONTENTS

Fund Expenses                         2      How to Purchase Shares            8
Financial Highlights                  3      How to Redeem Shares             10
The Legend of Mt. Parnassus           3      Distributions and Taxes          11
Investment Objective and Policies     4      Performance Information          12
Principal Investment Restrictions     6      General Information              13
Management                            6

THESE  SECURITIES  HAVE NOT BEEN APPROVED OR  DISAPPROVED  BY THE SECURITIES AND
EXCHANGE  COMMISSION OR ANY STATE  SECURITIES  COMMISSION NOR HAS THE SECURITIES
AND  EXCHANGE  COMMISSION  OR ANY STATE  SECURITIES  COMMISSION  PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.



<PAGE>


FUND EXPENSES

     The following table illustrates all expenses and fees that a shareholder of
the Fund will incur.

      SHAREHOLDER TRANSACTION EXPENSES

      Maximum Sales Load Imposed on Purchases ............................3.5%
      Maximum Sales Load Imposed on Reinvested Dividends .................None
      Redemption Fees ....................................................None

      ANNUAL FUND OPERATING EXPENSES (AS A PERCENTAGE OF AVERAGE NET ASSETS)

      Management Fees....................................................0.66%
      12b-1 Fees .........................................................None
      Other Operating Expenses ..........................................0.45%
      Total Fund Operating Expenses .....................................1.11%

     The purpose of this table is to assist the  investor in  understanding  the
various  costs and expenses  that an investor in the Fund will bear  directly or
indirectly. The following example illustrates the expenses that you would pay on
a $1000  investment  over various time periods  assuming (1) a 5% annual rate of
return and (2) redemption at the end of each time period.  As noted in the table
above, the Fund charges no redemption fees of any kind.

   ONE YEAR             THREE YEARS              FIVE YEARS            TEN YEARS
      $46                   $69                      $94                $165

     The expenses shown above are  cumulative--not  ones you pay every year. For
example, the $165 figure for ten years is not the annual expense figure, but the
total cumulative  expenses a shareholder would have paid for the entire ten-year
period. This example should not be considered a representation of past or future
expenses or  performance.  Actual  expenses  may be greater or lesser than those
shown. For a fuller description of expenses, see page 10 of this prospectus.

         From time to time, the Fund may direct  brokerage  commissions to firms
that may pay certain  expenses of the Fund subject to "best  execution." This is
done only when brokerage  costs are reasonable and the Fund  determines that the
reduction of expenses is in the best interest of the shareholders.  See page B-6
of the SAI for more information.  Since the Fund did not engage in such directed
brokerage in 1997 and if it does so in the future,  such  directed  brokerage is
expected to occur on an  irregular  basis,  so the effect on the expense  ratios
cannot be calculated with any degree of certainty.






















                                                           2



<PAGE>


FINANCIAL HIGHLIGHTS

Selected  data for each share of capital  stock  outstanding,  total  return and
ratios/supplemental  data for each of the ten years in the period ended December
31 are as follows:
<TABLE>
<CAPTION>

                              1997       1996       1995       1994       1993       1992       1991       1990      1989       1988
                            --------------------------------------------------------------------------------------------------------
<S>                          <C>        <C>        <C>        <C>        <C>        <C>        <C>        <C>       <C>       <C>   
Net asset value at           $34.39     $31.77     $32.82     $31.81     $29.94     $23.53     $16.09     $20.62    $20.46    $16.16
beginning of period         --------------------------------------------------------------------------------------------------------

Income From Investment
Operations:

Net investment income(loss)  (0.14)     (0.06)      0.15       2.73       0.27        0.01       0.06      0.16       0.27    (0.05)

Net realized and
unrealized gain
(loss) on securities          10.04      3.77       0.07       1.00       4.84        8.60       8.29     (4.52)      0.30      6.90
                            --------------------------------------------------------------------------------------------------------
Total from investment       
 operations                    9.90      3.71       0.22       3.73       5.11        8.61       8.35     (4.36)      0.57      6.85
                            --------------------------------------------------------------------------------------------------------
Distributions:

Dividends from net               -        -        (0.16)     (0.47)     (0.25)      (0.04)     (0.06)    (0.17)     (0.18)      -
investment income

Distributions from net
realized gain on securities   (8.55)    (1.09)     (1.11)     (2.25)     (2.99)      (2.16)     (0.85)       -       (0.23)   (2.55)
                            --------------------------------------------------------------------------------------------------------
    Total distributions       (8.55)    (1.09)     (1.27)     (2.72)     (3.24)      (2.20)     (0.91)    (0.17)     (0.41)   (2.55)
                            --------------------------------------------------------------------------------------------------------
Net asset value at end of     
period                        $35.74    $34.39     $31.77     $32.82     $31.81      $29.94     $23.53    $16.09     $20.62   $20.46
                            ========================================================================================================
Total Return *                29.70%    11.68%      0.62%     11.98%     17.31%      36.80%     52.56%      2.85%    42.44% (21.16%)

Ratios/Supplemental Data:

Ratio of expenses to           1.11%     1.10%      1.02%      1.14%      1.26%       1.47%      1.51%      1.77%     1.65%    2.15%
average net assets 

Ratio of net investment
income (loss) to average 
net assets                    (0.44%)   (0.17%)     0.54%      0.43%      0.13%       0.02%      0.26%      0.87%     1.21%  (0.49%)

Portfolio turnover rate        68.90%    59.60%    29.10%     28.10%     21.00%      32.80%     24.61%     38.25%    11.45%   32.34%

Average commission per share** $0.024    $0.033

Net Assets, End of 
Period(000)                   $337,425  $268,235  $259,133   $160,994   $98,774     $56,237    $31,833    $20,738   $23,048  $10,863

<FN>

* Total return figures do not adjust for the sales charge.  

**Average  commission  rate is calculated for the periods  beginning on or after
  January 1, 1996. 

Note: This information is taken from financial  statements audited by Deloitte &
Touche LLP that were published in the Fund's annual reports.
</FN>
</TABLE>



THE LEGEND OF MT. PARNASSUS

     Parnassus  is a mountain in central  Greece whose twin peaks rise more than
8,000 feet above sea level.  A dense forest covers the slopes of Mt.  Parnassus,
but the summit is rocky and, most of the time,  covered with snow.  The mountain
plays a  prominent  role in  Greek  mythology  because  on its  southern  slope,
overlooking  the  Gulf of  Corinth,  lies  Delphi,  site of the  famous  oracle.
Originally,  the oracle belonged to Gaia, the earth goddess. Later, Mother Earth
was worshipped  under the name Delphyne and she controlled the oracle along with
her serpent-son,  Python, and her  priestess-daughters who controlled the rites.
Eventually,  the Greek god, Apollo,  took over the site, doing away with Python,
but keeping the priestesses.

     The  most  "Greek"  of  the  gods,  Apollo  represented  enlightenment  and
civilization and presided over the establishment of cities.  Identified with the
development  of Greek codes of law,  Apollo was also the god of light,  a master
musician  and skilled  archer.  Legend has it that Python,  an enormous  serpent
raised  in the  caves of Mt.  Parnassus,  controlled  the site of  Delphi.  When
Apollo,  representing  civilization,  challenged Python,  representing  anarchy,
there was a heroic struggle, but the god finally killed the dragon by shooting a
hundred arrows into its body.

     There  were many  oracles  in  ancient  Greece,  but only the one at Delphi
achieved  a record of  reliability.  Apollo's  temple at Delphi  soon  became an
enormous  storehouse of treasures that were gifts of those who had consulted the
oracle.

                                        3

     The oracle communicated through the voice of a priestess who spoke while in
a trance.  The priests of Delphi,  who interpreted the sayings of the priestess,
obtained a great deal of knowledge  and  information  from talking to the people
who came from all over the Greek world to consult at the shrine of Apollo. Quite
often,  the  oracle  went  against  the  prevailing  wisdom  of  the  time  and,
frequently, the proud were humbled and the lowly were justified.



INVESTMENT OBJECTIVE AND POLICIES

Objective

     The Fund's investment  objective is to achieve long-term growth of capital.
The Fund will  attempt to achieve  this  objective  by  investing  primarily  in
"equity  securities" based on the criteria described below.  "Equity securities"
consist of common  stocks or  securities  having the  characteristics  of common
stocks which include convertible  preferred stocks,  convertible debt securities
or warrants (up to 5% of total assets).  There can be no assurance that the Fund
will achieve its objective.

     The Fund's portfolio  emphasizes  equity  securities  issued by established
companies.  Established  companies  are defined as those that have at least $150
million in annual sales.


Selection Process

In general,  the Fund's Adviser uses three basic criteria in identifying  equity
securities eligible for the Fund's portfolio:

 1) the stock is selling at a depressed  level compared to its price history for
    the past five years (see I below);

 2) the issuer is  financially  sound with good prospects for the future (see II
    below); and

 3) the issuer has, in the  Adviser's  judgement,  enlightened  and  progressive
    management (see III below).



     Generally, the Fund seeks to purchase equity securities that meet the above
criteria.  How the Adviser  determines  if a security  meets  these  criteria is
discussed below.

I.   THE CONTRARIAN  PRINCIPLE.  The first criterion  listed above can be called
     "contrarian" since it leads to the purchase of stocks that are out of favor
     with the  investment  community.  The Adviser  evaluates  each  security to
     determine whether it has:

     1)  a market  price  whose  ratio to book value per share is lower than its
         historical average over the past five years;

     2)  a market price that has  declined to 70% or less of the highest  market
         price achieved during the past five years;

     3)  a market  price whose ratio to sales per share is below its  historical
         average over the past five years; and

     4)  a market  price that is at a 30% or greater  discount to its  intrinsic
         value as calculated by the Adviser.

     The ratios given above are not absolute  limits,  but represent  guidelines
generally  followed by the  Adviser.  A security  may be selected for the Fund's
portfolio  even if it does not meet all of the above tests,  but generally  will
not be selected if it does not meet any of such tests.

II.  FINANCIAL  CONSIDERATIONS.  The Adviser applies financial  criteria to each
     stock  that  meets its  "contrarian"  standards  in an effort to  determine
     whether  the issuer is  financially  sound and has good  prospects  for the
     future.   The  Adviser   generally   considers  the  following  factors  in
     determining whether or not a company is financially sound:

     1)  financial  strength,  in the form of net assets,  as  determined  by an
         analysis of the company's balance sheet;

     2) total annual sales of the company compared to its sales five years ago;

     3)  earnings history and the outlook for future earnings; and

     4) the company's net cash flow.

                                        4

III. QUALITATIVE  FACTORS.  There are also five qualitative factors that, in the
     Adviser's opinion,  constitute  "enlightened and progressive management" of
     issuers:

     1)  the quality of the company's products and services;

     2)  the degree to which the company is  marketing-oriented  and stays close
         to the customer;

     3)  the sensitivity of the company to the communities where it operates;

     4)  the company's treatment of its employees; and

     5) the company's ability to innovate and respond well to change.


Social Policy

     The Adviser looks for certain social policies in the companies in which the
Fund invests.  These social  policies are: (1) treating  employees  fairly;  (2)
sound environmental protection policies; (3) a good equal employment opportunity
program;  (4) quality products and services;  (5) a record of civic  commitment;
and (6) ethical business practices. Obviously, no company will be perfect in all
categories,  but the Adviser makes value  judgements in deciding which companies
best meet the criteria.

     Although the Fund emphasizes  positive  reasons for investing in a company,
our operating policies call for excluding  companies that manufacture alcohol or
tobacco  products  or are  involved  with  gambling.  The Fund also  screens out
weapons contractors and those that generate electricity from nuclear power.

     The  social  criteria  of The  Parnassus  Fund  limit the  availability  of
investment  opportunities.  However,  the Trustees and the Adviser  believe that
there are  sufficient  investments  available  that can meet the  Fund's  social
criteria and still enable the Fund to provide a competitive rate of return.


Other Policies

     The  Parnassus  Fund  may  invest  up to  5% of  its  assets  in  community
development  loan funds such as those that provide  financing for small business
and for low and  moderate  income  housing.  The Fund  will not make  loans to a
project itself,  but rather will invest money in an intermediary  community loan
fund. With projects having a strong, positive social impact, the Fund may invest
in obligations  issued by community loan funds at  below-market  interest rates.
Generally,  there is no  secondary  market,  and thus no  liquidity,  for  these
investments.  In general,  the Fund seeks to invest in  community  organizations
that have had a  successful  record in making  these kinds of loans and that are
deemed creditworthy by the Adviser.

     The Fund may  purchase  foreign  securities  up to a maximum  of 15% of the
value  of  its  total  net  assets.  Such  investments  increase  a  portfolio's
diversification and may enhance return, but they also involve some special risks
such  as:   exposure  to  potentially   adverse  local  political  and  economic
developments; nationalization and exchange controls; potentially lower liquidity
and higher  volatility;  possible problems arising from accounting,  disclosure,
settlement and regulatory  practices  that differ from U.S.  standards;  and the
chance  that   fluctuations   in  foreign   exchange  rates  will  decrease  the
investment's  value (favorable change can increase its value). The Fund may also
invest up to 5% of its total net assets in venture capital limited partnerships.
These  investments will not be liquid and will likely involve a higher degree of
risk than most portfolio securities.

     Under normal circumstances,  the Fund will have virtually all of its assets
invested in equity  securities.  However,  for temporary  defensive  purposes or
pending the investment of the proceeds from sales of shares of the Fund or sales
of portfolio securities,  or for other reasons at the discretion of the Adviser,
all or part of the assets may be  invested  in money  market  instruments  or in
investment  grade,  long-term  debt  securities.  The Fund may also  enter  into
repurchase agreements,  which basically involve the purchase by the Fund of debt
securities and their resale at an agreed-upon  price.  While the Fund intends to
be fully  "collateralized"  as to such  agreements,  and the collateral  will be
marked to market  daily,  if the entity  obligated to  repurchase  from the Fund
defaults or enters  bankruptcy,  there may be delays and expenses in liquidating
the  securities,  a  possible  decline  in their  value  and  potential  loss of
interest.

     The Fund may also lend its portfolio securities to broker-dealers and other
institutional  borrowers to generate income. The Fund will receive collateral to
secure the  borrower's  obligation;  however,  if the  borrower  defaults on its
obligation,  the Fund bears the risk of delay in the  recovery of its  portfolio
securities and the risk of loss in rights in the  collateral.  See the Statement
of  Additional  Information  for further  details on repurchase  agreements  and
securities lending.

                                        5

PRINCIPAL INVESTMENT RESTRICTIONS

     The  Fund  is  subject  to  certain   investment   restrictions  which  are
fundamental policies and, as such, cannot be changed without the approval of the
holders of a majority of the Fund's outstanding  voting  securities.  The Fund's
investment objective is such a policy, as are restrictions that provide that the
Fund may not: (i) with respect to 75% of its net assets,  invest more than 5% of
the  value  of its net  assets  in  securities  of any one  issuer  (other  than
obligations issued or guaranteed by the United States  Government,  its agencies
or its  instrumentalities)  or purchase more than 10% of the outstanding  voting
securities  of any one  issuer;  (ii)  invest  more than 25% of the value of its
total assets in securities of issuers in any one industry; or (iii) borrow money
except from banks for  temporary or emergency  purposes in amounts not exceeding
10% of the Fund's total assets.  (Generally,  the Fund will not make  additional
investments  while such borrowings are outstanding.) It is possible for the Fund
to make limited  investments  in the securities of other  investment  companies.
Additional information about the Fund's investment  restrictions is contained in
the Statement of Additional Information.

     It is the position of the Securities and Exchange  Commission  ("SEC") (and
an operating  although not a  fundamental  policy of the Fund) that the Fund may
not make certain  illiquid  investments if thereafter more than 15% of the value
of its net assets would be so invested.  Investments  included in this 15% limit
are: (i) those which are restricted, i.e., those which cannot freely be sold for
legal reasons;  (ii) fixed time deposits subject to withdrawal  penalties (other
than overnight deposits);  (iii) repurchase agreements having a maturity of more
than seven  days;  and (iv)  investments  for which  market  quotations  are not
readily available. However, the 15% limit does not include obligations which are
payable at  principal  amount  plus  accrued  interest  within  seven days after
purchase or commercial paper issued under section 4 (2) of the Securities Act of
1933, as amended ("1933 Act"), or securities eligible for resale under Rule 144A
of the 1933 Act that have been  determined  to be liquid  pursuant to procedures
adopted by the Board of Trustees.

     Unless  otherwise  stated,  the Fund's  investment  policies are  operating
policies,  i.e.,  non-fundamental,  and may be changed by the Board of  Trustees
without shareholder approval.


MANAGEMENT

     The Fund's  Board of  Trustees  decides  on  matters of general  policy and
supervises the activities of the Fund's Adviser. The Fund's officers conduct and
supervise the daily  business  operations of the Fund. The Trustees and officers
are listed below,  together with their principal occupations during at least the
past five years.

     Jerome  L.  Dodson*,  54,  President  and  Trustee,  is also  President  of
Parnassus  Investments.  From 1975 to 1982,  Mr.  Dodson served as President and
Chief  Executive  Officer of  Continental  Savings and Loan  Association  in San
Francisco.  From 1982 to 1984, he was President of Working Assets Money Fund and
he  also  served  as a  Trustee  from  1988 to  1991.  He is a  graduate  of the
University of California at Berkeley and of Harvard University's Graduate School
of Business  Administration  where he concentrated in finance. Mr. Dodson is the
Fund's  portfolio  manager.  He is also  President  and Trustee of The Parnassus
Income Trust.

     David  L.  Gibson,  58,  Trustee,   is  an  attorney  in  private  practice
specializing in taxation and personal financial planning.  From 1973 to 1984, he
was with the Crown  Zellerbach  Corporation  where he served as tax counsel and,
later, as Director of Public Affairs.  Mr. Gibson is active in civic affairs and
his special interests include senior citizens and environmental  protection.  He
holds a bachelor's degree in business  administration from Virginia  Polytechnic
Institute,  an MBA from Golden Gate  University,  a JD from  Washington  and Lee
University and an LLM from William and Mary. Mr. Gibson is also a Trustee of The
Parnassus Income Trust.

     Gail L.  Horvath,  48,  Trustee,  is co-owner  and  director of new product
development  at  Just  Desserts,  a  San  Francisco-based  bakery  and  cafe.  A
co-founder of Just Desserts,  her experience  includes market research,  product
planning and product  development.  For four years,  she served as a director of
Continental Savings of America. She is a graduate of Ohio State University.  Ms.
Horvath is also a Trustee of The Parnassus Income Trust.



                                        6

<PAGE>

     Herbert  A.   Houston,   54,  is  the  Chief   Executive   Officer  of  the
Haight-Ashbury Free Clinics, Inc. Previously,  he worked as Development Director
for the National Association for Sickle Cell Disease,  Vice President of the Bay
Area Black United Fund and as an executive for the Combined Federal Campaign and
the United Way of the Bay Area. He is a graduate of California  State University
at  Hayward  and  holds a  Master's  degree in  Public  Administration  & Health
Services  from the  University  of Southern  California.  Mr.  Houston is also a
Trustee of The Parnassus Income Trust.

     Cecilia C.M. Lee, 54, is President of Ultra Media,  a Silicon  Valley-based
electronics  firm.  She  is  active  in  community  affairs  with  the  Stanford
Children's Hospital and the Cupertino Children's Choir. Ms. Lee is a Director of
the Tech Museum of Innovation and the Asian-American  Manufacturers Association.
She is  also on the  Advancement  Board  of the  West  Valley-Mission  Community
College.  She  received a  bachelor's  degree  from the  National  Music and Art
Institute of Taiwan. Ms. Lee is also a Trustee of The Parnassus Income Trust.

     Leo T.  McCarthy,  67, is  President  of the Daniel  Group,  a  partnership
involved in foreign trade. His current  directorships include Linear Technology,
Open Data Systems and the U.S. National Gambling Impact Study Commission. He has
also served as a Regent of the University of  California.  From 1969 to 1982, he
served as a member of the California State Assembly,  six years as Speaker. From
1983 to 1995, he served as Lieutenant  Governor of the State of California where
his major  responsibility  was economic  development.  He holds a B.S.  from the
University  of San  Francisco  and a J.D.  from San  Francisco Law School and is
licensed to practice law in  California.  Mr.  McCarthy is also a Trustee of The
Parnassus Income Trust and a Director of the Forward Global Fund, another mutual
fund.

     Donald E. O'Connor,  61, is a retired  executive who spent 28 years as Vice
President of Operations for the Investment Company Institute,  (the "ICI" is the
trade  association  of the mutual fund  industry.)  During that period,  he also
spent 10 years as Chief Operating  Officer of the ICI Mutual Insurance  Company.
Prior to joining the ICI, he spent six years with the SEC,  including four years
as Branch Chief of Market Surveillance.  He currently serves as a Trustee of the
Advisors  Series  Trust,  another  mutual  fund.  He is a graduate of The George
Washington  University and holds a Masters in Business  Administration  from the
same institution. Mr. O'Connor is also a Trustee of The Parnassus Income Trust.

     Howard  M.  Shapiro,  66,  is  a  consultant  to  non-profit  organizations
specializing   in  marketing,   fund-raising   and   organizational   structure.
Previously,  he  worked  for 28  years  in  marketing,  advertising  and  public
relations.  He is Chairman of the Board of the Portland Housing Authority and is
Vice  Chairman of the Board of the Albina  Community  Bank in Portland.  He also
serves on the Board of Oregon's State Accident  Insurance Fund and the Multnomah
County  Investment  Council.  Mr.  Shapiro is a graduate  of the  University  of
Washington.  He is  also a  Trustee  of The  Parnassus  Income  Trust.  He is no
relation to Joan Shapiro.

     Joan  Shapiro,  55,  is a  consultant  in  development  banking,  community
reinvestment,  ethical  investing and corporate  social  responsibility.  For 20
years,  she  worked  with the South  Shore Bank of  Chicago,  most  recently  as
Executive Vice  President.  She is a former  President of the Social  Investment
Forum, the national trade association of the social investment industry.  Active
in  Chicago's  civic  and  cultural  life for 25  years,  she is a  Governor  of
International House of the University of Chicago and a member of the President's
Council of Cornell Women. She is a graduate of Cornell  University.  Ms. Shapiro
is also a Trustee of The Parnassus  Income  Trust.  She is no relation to Howard
Shapiro.

     Howard Fong, 52, Vice  President and  Treasurer,  is also Vice President of
Parnassus  Investments.  Mr.  Fong  began  his  career as an  examiner  with the
California  Department  of  Savings  and Loan.  In 1979,  he joined  Continental
Savings where he worked until 1988,  most recently as Senior Vice  President and
Chief  Financial  Officer.  He  joined  The  Parnassus  Fund in 1989.  Mr.  Fong
graduated  from  San  Francisco  State  University  with a  degree  in  business
administration.  Mr. Fong is also Vice  President and Treasurer of The Parnassus
Income Trust.

     Richard  D.  Silberman,  60,  Secretary,  is an  attorney  specializing  in
business  law.  He has been  general  counsel  to The  Parnassus  Fund since its
inception.  He holds a  bachelor's  degree in business  administration  from the
University  of  Wisconsin,  a  Bachelor  of Law,  also  from the  University  of
Wisconsin and a Master of Law from Stanford  University.  He is a member of both
the Wisconsin and California  Bars. Mr.  Silberman is also Secretary and general
counsel of The Parnassus Income Trust.

*Denotes "interested" trustee as defined in the Investment Company Act of 1940.



                                        7

<PAGE>

The Adviser

     Parnassus Investments (the "Adviser"),  One Market-Steuart Tower #1600, San
Francisco,  California 94105, acts as investment adviser to the Fund, subject to
the  control  of the  Fund's  Board of  Trustees,  and as such,  supervises  and
arranges the purchase and sale of securities  held in the portfolio of the Fund.
The Adviser has had 13 years of experience managing the Fund.

     For its services,  the Fund,  under an Investment  Advisory  Agreement (the
"Agreement") between the Fund and the Adviser,  pays the Adviser a fee, computed
and payable at the end of each month, at the following annual percentages of the
Fund's average daily net assets: 1.00% of the first $10 million in assets; 0.75%
of the amount above $10 million in assets up to $30 million; 0.70% of the amount
above $30 million up to $100 million;  0.65% of the amount above $100 million up
to $200 million;  and 0.60% of the amount above $200 million. For 1997, the Fund
paid the Adviser 0.66% of its average daily net assets.

     In addition to the fee payable to the Adviser,  the Fund is responsible for
its  operating  expenses,  including:  (i)  interest and taxes;  (ii)  brokerage
commissions;  (iii) insurance  premiums;  (iv)  compensation and expenses of its
Trustees  other  than those  affiliated  with the  Adviser;  (v) legal and audit
expenses;  (vi) fees and expenses of the Fund's  custodian,  transfer  agent and
accounting  services  agent;  (vii)  expenses  incident  to the  issuance of its
shares,  including  issuance on the payment of, or reinvestment  of,  dividends;
(viii) fees and expenses  incident to the  registration  under  Federal or state
securities laws of the Fund or its shares; (ix) expenses of preparing,  printing
and mailing  reports and notices and proxy material to shareholders of the Fund;
(x)  all  other   expenses   incidental  to  holding   meetings  of  the  Fund's
shareholders;  (xi) dues or  assessments of or  contributions  to the Investment
Company  Institute and the Social  Investment  Forum;  (xii) such  non-recurring
expenses as may arise,  including  litigation  affecting  the Fund and the legal
obligations  which the Fund may have to indemnify its officers and Trustees with
respect thereto. In allocating brokerage  transactions,  the investment advisory
agreement  states that the Adviser may, subject to its obligation to obtain best
execution,  consider research provided by brokerage firms or whether those firms
sold  shares  of the  Fund.  See  page B-6 of the SAI for  more  information  on
brokerage and portfolio transactions.


HOW TO PURCHASE SHARES

     Because the sales  charge on its shares is lower than that  charged by many
other  investment  companies which impose a sales charge,  The Parnassus Fund is
what is commonly called a "low load" fund.

     Shares of the Fund may be  purchased  by  sending a check  directly  to the
Adviser,  which is also the Fund's principal  underwriter  ("Distributor")  (see
"Direct   Purchase  of  Shares"   below),   or  by  ordering  shares  through  a
broker-dealer  which is a member  of the  National  Associations  of  Securities
Dealers,  Inc.  and has  signed  a sales  agreement  with the  Distributor  (see
"Purchases through a Broker-Dealer"  below). The purchase price per share is the
offering  price,  which  is the  net  asset  value  per  share  as of  the  next
calculation  after  the  order is  placed,  plus a sales  charge  calculated  as
follows:


<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------
 SALES CHARGE AS A PERCENTAGE OF
- --------------------------------------------------------------------------------
                                                                 DEALER DISCOUNT                               
                                          OFFERING   NET ASSET   AS A PERCENTAGE
 AMOUNT OF TRANSACTION AT OFFERING PRICE    PRICE       VALUE     OFFERING PRICE
- --------------------------------------------------------------------------------
<S>        <C>                               <C>         <C>          <C> 
 Less than $15,000                           3.5%        3.63         3.5%
 $15,000 but less than $25,000               3.0         3.09         3.0%
 $25,000 but less than $50,000               2.5         2.56         2.5%
 $50,000 but less than $100,000              2.0         2.04         2.0%
 $100,000 but less than $250,000             1.5         1.52         1.5%
 $250,000 but less than $500,000             1.0         1.01         1.0%
 $500,000 but less than $1,000,000           0.5         0.50         0.5%
 $1,000,000 or more                                 No Sales Charge
</TABLE>


                                                           8
<PAGE>

     Investors in the following  categories  may combine their  purchases into a
single transaction to qualify for a reduced sales charge: 1) an individual,  his
or her spouse and their children purchasing for his, her or their own account(s)
and 2) a trustee or other  fiduciary  purchasing  for a single  trust  estate or
single fiduciary account.

         Certain  categories of people may invest in The Parnassus  Fund without
paying a sales charge. These categories include Trustees, officers and employees
of The  Parnassus  Fund  and  the  Fund's  investment  adviser,  representatives
registered with the National Association of Securities Dealers,  Inc., custodial
accounts  qualifying  under  Section  403(b) or Section  401(k) of the  Internal
Revenue Code, pension,  profit-sharing or other employee benefit plans qualified
under  Section 401 of the Internal  Revenue Code and  discretionary  accounts of
bank trust  departments  or  registered  investment  advisers.  Investors may be
charged a transaction  or other fee in connection  with purchases or redemptions
of Fund shares at net asset value (i.e., without a sales charge) on their behalf
by an investment adviser, a brokerage firm or other financial institution.


Statement of Intention (Letter of Intent)

     A single  investor may also obtain the reduced sales charges shown above by
completing  a Statement  of  Intention.  By  expressing  in writing an intent to
invest $15,000 or more within a  thirteen-month  period,  a single  investor may
obtain the reduced  sales  charges  shown  above.  To receive the reduced  sales
charge,  you can complete the "letter of intent"  section on the  application or
write your own letter of intent.

     While a shareholder is not obligated to fulfill a letter of intent,  if the
goal is not met,  the  purchaser is required to pay the  difference  between the
sales charge actually paid and the one that would otherwise have been due had no
Statement of Intention been signed.


Rights of Accumulation

     A single investor may also obtain a cumulative  quantity discount (known as
a right of  accumulation) by adding his or her current purchase to the net asset
value (at the close of business on the  previous  day) of all shares  previously
purchased and still owned in the Fund. The applicable sales charge is then based
on this total.  A  shareholder  may also add the total of any  investment in The
Parnassus  Income Trust to The Parnassus  Fund total for purposes of calculating
the sales charge. To benefit from any right of accumulation (ROA), a shareholder
must identify any ROA links to other accounts and communicate these links to the
Fund's shareholder service staff.


Other Information

     The Fund also offers additional services to investors,  including plans for
the systematic investment and withdrawal of money, as well as IRA and SEP plans.
Information about these plans is available from the Distributor.

     The minimum initial  investment in the Fund is $2,000 except for retirement
plans, accounts opened pursuant to a Uniform Transfers to Minors Act (UTMA) or a
Uniform Gifts to Minors Act (UGMA),  and PAIP accounts which have a $500 minimum
initial  investment.  The minimum additional  investment is $50. The Distributor
reserves the right to reject any order.


Direct Purchase of Shares

     An investor should complete and mail an application  form and send it along
with a check payable to The Parnassus Fund. It should be sent to the Fund at the
following address:

                               The Parnassus Fund
                         One Market-Steuart Tower #1600
                         San Francisco, California 94105

     An initial  investment  must be at least $2,000  except for PAIP  accounts,
UGMA accounts and certain  employee  benefit  plans or tax qualified  retirement
plans (e.g. IRA(S),  SEP(S)) which have a $500 minimum.  Subsequent  investments
for all accounts must be at least $50. With subsequent investments, shareholders
should write the name and number of the account on the check. Checks do not need
to be certified,  but are accepted  subject to  collection  and must be drawn in
United States dollars on United States banks.  The investment  will be processed
at the public offering price  calculated on the same business day it is received
if it  arrives  before  1:00 p.m.  San  Francisco  time;  otherwise,  it will be
processed the next business day.

                                        9

Purchases Via Parnassus Automatic Investment Plan (PAIP)

     After making an initial  investment to open an account,  a Fund shareholder
may  purchase  additional  shares  ($50  minimum)  via the  Parnassus  Automatic
Investment  Plan  (PAIP).  On a monthly  or  quarterly  basis,  your  money will
automatically  be transferred from your bank account to your Fund account on the
day of your choice (3rd or 18th day of the month).  You can elect this option by
filling out the PAIP section on the new account form.  For further  information,
call the Fund and ask for the free  brochure  called  "Automatic  Investing  and
Dollar-Cost Averaging."


Purchases Through A Broker-Dealer

     Broker-dealers  may  place  orders  on behalf of  clients  by  calling  the
Distributor. If a client places an order with a broker-dealer prior to 1:00 p.m.
San  Francisco  time on any  business  day  (see  below)  and the  broker-dealer
forwards the order to the  Distributor  prior to 1:00 p.m. San Francisco time on
that day, the order will be processed at the  offering  price  calculated  as of
1:00 p.m. that same day. Otherwise,  the order will be processed at the offering
price next calculated,  typically as of the close of the New York Stock Exchange
("NYSE") the next business day. The  broker-dealer  is  responsible  for placing
purchase orders promptly with the Distributor and for forwarding  payment within
three business days.


Net Asset Value

     The Fund's net asset  value per share is  ordinarily  determined  as of the
close of trading on the NYSE,  usually 4:00 p.m.  Eastern time, on each day that
the NYSE is open for trading ("business day") and on any other day that there is
a sufficient degree of trading in investments held by the Fund to affect the net
asset value,  except that the net asset value may not be  determined  on any day
that there are no  transactions  in shares of the Fund.  The net asset value per
share is the value of the Fund's assets,  less its  liabilities,  divided by the
number of shares of the Fund  outstanding.  In general,  the value of the Fund's
portfolio securities is the market value of such securities. However, securities
and other  assets for which  market  quotations  are not readily  available  are
valued at their fair value as  determined  in good  faith by the  Adviser  under
procedures  established by and under the general  supervision and responsibility
of the Fund's Board of Trustees. See the Statement of Additional Information for
details.


Telephone Transfers

     Shareholders  who  elect  to use  telephone  transfer  privileges  must  so
indicate on the account  application  form.  The  telephone  transfer  privilege
allows a  shareholder  to effect  exchanges  from the Fund  into an  identically
registered  account in another one of The Parnassus  Funds (e.g.,  The Parnassus
Income  Trust).  Neither the Fund nor Parnassus  Investments  will be liable for
following  instructions  communicated  by  telephone  reasonably  believed to be
genuine;   a  loss  to  the  shareholder  may  result  due  to  an  unauthorized
transaction.   The  Fund  and  Parnassus   Investments  will  employ  reasonable
procedures to confirm that  instructions  communicated by telephone are genuine.
Procedures  may include one or more of the  following:  recording  all telephone
calls requesting telephone exchanges, verifying authorization and requiring some
form of personal  identification prior to acting upon instructions and sending a
statement  each  time a  telephone  exchange  is made.  The  Fund and  Parnassus
Investments  may be liable  for any  losses due to  unauthorized  or  fraudulent
instructions  only if such  reasonable  procedures are not followed.  Of course,
shareholders are not obligated in any way to authorize  telephone  transfers and
may choose to make all exchanges in writing.  The telephone  exchange  privilege
may be modified or  discontinued  by the Fund at any time upon 60 days'  written
notice to shareholders.


HOW TO REDEEM SHARES

     You may sell or redeem your Fund shares by offering  them for  "repurchase"
or "redemption" directly to the Fund or through your dealer. If you offer shares
through  your dealer  before the close of the New York Stock  Exchange  and your
dealer  transmits your offer to the Distributor  before 1:00 p.m. (San Francisco
time) that day, you will  receive  that day's price.  Your dealer may charge for
this service,  but you can avoid this charge by selling your shares  directly to
the Fund as described below.

     To sell your shares  directly to the Fund (that is, to redeem your shares),
you must send your written  instructions to the Fund at One Market-Steuart Tower
#1600,  San  Francisco,  California  94105.  You may also send  your  redemption
instructions  by FAX to (415)  778-0228 if the  redemption is less than $25,000.
Your  shares  will be  redeemed  at the net asset  value next  determined  after
receipt  by the Fund of your  written  instructions  in proper  form.  Give your
account number and indicate the number of shares you wish



                                       10
<PAGE>

to redeem.  All owners of the account  must sign unless the account  application
states that only one  signature is necessary  for  redemptions.  All  redemption
checks must be sent to the  address-of-record on the account. The Fund must have
a  change-of-address   on  file  for  30  days  before  we  send  redemption  or
distribution  checks to the new  address.  Otherwise,  we  require  a  signature
guarantee  or the  check  must be sent to the old  address.  If you wish to have
redemption  proceeds sent by wire transfer or by overnight mail, there will be a
charge of $10 per transaction.  The Fund usually requires  additional  documents
when shares are registered in the name of a  corporation,  agent or fiduciary or
if you are a surviving  joint owner.  In the case of a  corporation,  we usually
require a corporate resolution signed by the secretary.  In the case of an agent
or  fiduciary,  we usually  require an  authorizing  document.  In the case of a
surviving  joint  owner,  we  usually  require a copy of the death  certificate.
Contact  the Fund by phone at (800)  999-3505  if you have any  questions  about
requirements for redeeming your shares.

     If the Fund has received  payment for the shares you wish to redeem and you
have provided the  instructions  and any other documents needed in correct form,
the  Fund  will  promptly  send you a check  for the  proceeds  from  the  sale.
Ordinarily, the Fund must send you a check within seven days unless the New York
Stock Exchange is closed for other than weekends or holidays.  However,  payment
may be delayed for any shares  purchased by check for a reasonable  time (not to
exceed 15 days from the date of such  purchase)  necessary to determine that the
purchase check will be honored.  Rules of the Securities and Exchange Commission
also authorize delayed  redemptions  during periods when trading on the Exchange
is restricted or during an emergency  which makes it impractical for the Fund to
dispose of its securities or to determine  fairly the value of its net assets or
during any other period  authorized  by the  Commission  for the  protection  of
investors.

     REINVESTMENT  PRIVILEGE.  If you redeem some or all of your shares and then
change your mind,  you may reinvest  them without  sales charge at the net asset
value if you do so within 60 days.  This privilege may be exercised only once by
a shareholder with respect to this Fund.  However, a shareholder has not used up
this one-time  privilege if the sole purpose of a prior redemption was to invest
the proceeds at net asset value in an Individual  Retirement  Account or SEP. If
the  shareholder  has  realized a gain on the  redemption,  the  transaction  is
taxable and reinvestment will not alter any capital gains tax payable.  If there
has been a loss on the redemption, some or all of the loss may not be allowed as
a tax deduction  depending on the amount  reinvested.  If a shareholder  redeems
shares from the Fund and invests the proceeds in shares of The Parnassus  Income
Trust,  the  shareholder  may reinvest the proceeds of the  redemption  of those
shares back into the Fund at any time without a sales  charge.  The Fund resumes
the right to modify or eliminate this exchange privilege in the future.

     REDEMPTION  OF SMALL  ACCOUNTS.  The  Trustees  may, in order to reduce the
expenses of the Fund,  redeem all of the shares of any shareholder whose account
is worth  less  than  $500 as a result  of a  redemption.  The  Fund  will  give
shareholders  whose shares are being  redeemed 60 days' prior written  notice in
which to purchase sufficient shares to avoid such redemption.


DISTRIBUTIONS AND TAXES

     By paying out  substantially  all its net  investment  income  (among other
things),  the  Fund  has  qualified  as a  regulated  investment  company  under
Subchapter  M of the  Internal  Revenue  Code.  The Fund  intends to continue to
qualify  and,  if so,  it will not pay  federal  income  tax on  either  its net
investment income or on its net capital gains. Instead, each shareholder will be
responsible for his or her own taxes.  All dividends from net investment  income
together with distributions of short-term capital gains  (collectively,  "income
dividends"), will be taxable as ordinary income to shareholders even though paid
in additional shares. Tax-exempt and tax-deferred shareholders,  of course, will
not be  required  to pay  taxes  on any  amount  paid to them.  IRAs  and  other
tax-deferred   retirement   accounts   are  not  required  to  pay  taxes  until
distribution.

     Any net long-term capital gains ("capital gain distributions")  distributed
to shareholders are taxable as such to shareholders. Tax-exempt and tax-deferred
shareholders,  of course,  will not be required to pay taxes on any amounts paid
to them.  As a result of tax law changes  enacted in 1997,  there are  different
maximum federal income tax rates  applicable to your capital gain  distributions
if you are a  noncorporate  taxpayer  depending on the Fund's holding period and
your marginal rate of federal income tax -- generally,  28% for gains recognized
on  securities  held for more than one year but not more than 18 months  and 20%
(10% if you  are in the 15%  marginal  tax  bracket)  for  gains  recognized  on
securities held for more than 18 months.

     Income  dividends and capital gain  distributions  will  ordinarily be paid
once a year, and they are taxable in the year received.  For the  convenience of
investors,  all payments  are made in shares of the Fund,  and there is no sales
charge for this  reinvestment.  Shareholders  who  prefer to receive  payment of
income  dividends  and/or capital gain  distributions  in cash should notify the
Fund at least five days prior to the payment date. Annually, you will receive on
Form 1099 the dollar amount and tax status of all distributions you received.

                                       11
<PAGE>

     The Fund may be required to impose backup withholding at a rate of 31% from
any  income  dividends  and  capital  gain  distributions  and upon  payment  of
redemption   proceeds.   Shareholders  can  eliminate  any  backup   withholding
requirements by furnishing  certification of taxpayer identification numbers and
reporting dividends.

     To the extent that income  dividends are derived from qualifying  dividends
paid  by  domestic  corporations  whose  shares  are  owned  by the  Fund,  such
dividends, in the hands of the Fund's corporate  shareholders,  will be eligible
for the 70% dividends  received  deduction.  Individuals do not qualify for this
deduction---only corporations.

     The dividend and capital gain  distribution  is usually made in December of
each year. If an investor purchases shares just before the distribution date, he
or she will be taxed on the distribution even though it's a return of capital.


PERFORMANCE INFORMATION

     From  time to time,  the Fund may  advertise  its  total  return  for prior
periods.  Any such  advertisement  would include at least  average  annual total
return  quotations  for one, five and ten year periods.  The total return of the
Fund for a particular  period represents the increase (or decrease) in the value
of a hypothetical  investment in the Fund,  from the beginning to the end of the
period.  Total  return is  calculated  by  subtracting  the value of the initial
investment  from the ending value and showing the  difference as a percentage of
the initial  investment;  the calculation assumes the initial investment is made
at the maximum public  offering price (maximum sales charge) and that all income
dividends or capital  gains  distributions  during the period are  reinvested in
Fund shares at net asset value.  No  adjustments  are made to reflect any income
taxes payable by shareholders on dividends and  distributions  paid by the Fund.
Average  annual  total  return  quotations  for periods of two or more years are
computed by finding the average annual compounded rate of return over the period
that would equate the initial amount  invested to the ending  redeemable  value.
Quotations  of  "overall  return"  are the same as "total  return"  except  that
"overall return" calculations do not deduct the sales charge.

Performance  Figures

FOR PERIODS ENDING                      AVERAGE ANNUAL          AVERAGE ANNUAL
DECEMBER 31, 1997                       TOTAL RETURN            OVERALL RETURN
One Year                                   25.16%                   29.70%
Five Years                                 13.06%                   13.87%
Ten Years                                  16.11%                   16.52%

     Total return is the return to an  individual  shareholder  after paying the
maximum sales charge.

     Overall return gives the investment performance of the Fund. Overall return
does not take into  account  payment of the sales  charge.  This  return  figure
should be used for comparative  purposes such as comparing The Parnassus  Fund's
performance to published returns in newspapers and magazines.


     The Fund may also advertise its  cumulative  total return for prior periods
and compare its  performance to the  performance of other selected mutual funds,
selected  market  indicators  such as the Standard & Poor's 500 Composite  Stock
Price Index or non-market indices or averages of mutual fund industry groups.

     The Fund may quote its  performance  rankings  and/or other  information as
published  by  recognized  independent  mutual fund  statistical  services or by
publications of general  interest.  In connection  with a ranking,  the Fund may
provide  additional  information,  such as the particular  category to which the
ranking relates,  the number of funds in that category,  the criteria upon which
the  ranking  is based,  and the effect of sales  charges,  fee  waivers  and/or
expense reimbursements.

     All Fund  performance  information  is  historical  and is not  intended to
represent or guarantee  future  results.  The value of Fund shares when redeemed
may be more or less than their original cost.

     The  Fund's  annual  report  contains  additional  performance  information
including a discussion by management. You may obtain a copy of the annual report
without charge by calling or writing the Fund.

                                       12
<PAGE>

GENERAL INFORMATION

     The Fund was organized as a  Massachusetts  business trust on April 4,1984.
The  Declaration of Trust provides the Trustees will not be liable for errors of
judgement  or mistakes of fact or law, but nothing in the  Declaration  of Trust
protects a Trustee  against any liability to which he or she would  otherwise be
subject  by reason of  willful  misfeasance,  bad  faith,  gross  negligence  or
reckless disregard of the duties involved in the conduct of his or her office.

     Shareholders  are  entitled  to one vote  for each  full  share  held  (and
fractional votes for fractional shares) and may vote in the election of Trustees
and  on  other  matters  submitted  to  meetings  of  shareholders.  It  is  not
contemplated  that regular  annual  meetings of  shareholders  will be held. The
Declaration of Trust provides that the Fund's  shareholders have the right, upon
the  declaration in writing or vote of more than  two-thirds of its  outstanding
shares, to remove a Trustee. The Trustees will call a meeting of shareholders to
vote on the removal of a Trustee upon the written  request of the record holders
of ten per cent of its shares. In addition,  ten shareholders holding the lesser
of $25,000  worth or one  percent of Fund  shares  may  advise the  Trustees  in
writing that they wish to communicate with other shareholders for the purpose of
requesting a meeting to remove a Trustee.  The Trustees  will then, if requested
by the applicants, mail at the applicants' expense the applicants' communication
to all  other  shareholders.  The  holders  of  shares  have no  pre-emptive  or
conversion rights. Shares when issued are fully paid and non-assessable,  except
as set forth above.  The Fund may be  terminated  upon the sale of its assets to
another issuer, if such sale is approved by the vote of the holders of more than
50% of its  outstanding  shares,  or upon  liquidation  and  distribution of its
assets,  if  approved  by the  vote  of the  holders  of  more  than  50% of its
outstanding shares. If not so terminated, the Fund will continue indefinitely.

     Parnassus Investments may also arrange for third parties to provide certain
services  including  account  maintenance,   recordkeeping  and  other  personal
services to their clients who invest in the Fund. For these  services,  the Fund
may pay Parnassus  Investments an aggregate  service fee at a rate not to exceed
0.25% per annum of the Fund's  average daily net assets.  Parnassus  Investments
will not keep any of this fee for  itself,  but will  instead use the fee to pay
the third-party  service  providers.  (Service  providers who do not maintain an
omnibus  account for their  clients  will be limited to a fee of 0.10% per annum
paid by the Fund. Parnassus Investments,  however, may elect to pay such service
providers an additional 0.15% from its own funds for a total not to exceed 0.25%
per annum.)

Deloitte & Touche LLP, 50 Fremont Street,  San Francisco,  California 94105, has
been selected as the Fund's independent auditors.

Union Bank of California,  475 Sansome Street, San Francisco,  California 94111,
has been selected as the custodian of the Fund's assets.

Parnassus Investments, One Market-Steuart Tower #1600, San Francisco, California
94105, is the Fund's transfer agent and accounting agent.  Jerome L. Dodson, the
Fund's President, is the sole stockholder of Parnassus Investments.

















                                       13


<PAGE>


INVESTMENT ADVISER
Parnassus Investments
One Market-Steuart Tower #1600
San Francisco, California 94105

LEGAL COUNSEL
Richard D. Silberman, Esq.
465 California Street #1020
San Francisco, California 94104

AUDITORS
Deloitte & Touche LLP
50 Fremont Street
San Francisco, California 94105

CUSTODIAN
Union Bank of California
475 Sansome Street
San Francisco, California 94111

DISTRIBUTOR
Parnassus Investments
One Market-Steuart Tower #1600
San Francisco, California 94105

www.parnassus.com
















                                       14


<PAGE>
















                               The Parnassus Fund
                                   One Market
                               Steuart Tower #1600
                             San Francisco, CA 94105
                                 (415) 778-0200



                STATEMENT OF ADDITIONAL INFORMATION April 1, 1998




This Statement of Additional Information is not a prospectus.  It should be read
in conjunction  with the Fund's  prospectus dated April 1, 1998, a copy of which
may be obtained by calling or writing the Fund at the address listed above.





                                TABLE OF CONTENTS

                                                             Cross-reference to
                                              Page           page in prospectus

Investment Objective and Policies              B-2                    4
   Investment Restrictions                     B-2
   Operating Policies                          B-3                    6
   Repurchase Agreements                       B-3
   Lending Portfolio Securities                B-3
Management                                     B-4                    8
Performance                                    B-7                    18
Net Asset Value                                B-7                    14
Shareholder Services                           B-7                    11
General                                        B-8                    19
Financial Statements                           B-9

<PAGE>

                       Investment Objectives and Policies

     The  investment  objective  of the Fund is to realize  long-term  growth of
capital. The Fund's strategy with respect to the composition of its portfolio is
described in the prospectus.

Investment Restrictions
- -----------------------

     The Fund has  adopted  the  following  restrictions  (in  addition to those
indicated in the  prospectus) as  fundamental  policies which may not be changed
without  the  approval  of  the  holders  of a  "majority"  (as  defined  in the
Investment  Company  Act of 1940  (the  "1940  Act") of the  Fund's  outstanding
shares.  A vote of the  holders of a  "majority"  (as so  defined) of the Fund's
outstanding  shares  means a vote of the holders of the lesser of (i) 67% of the
shares represented at a meeting at which more than 50% of the outstanding shares
are represented or (ii) more than 50% of the outstanding shares.

The Fund may not:

   (1) With respect to 75% of its total net assets, purchase any security, other
than  obligations  of the U.S.  Government,  its  agencies or  instrumentalities
("U.S. Government  securities"),  if as a result: (i) more than 5% of the Fund's
total net assets would then be invested in securities of a single issuer or (ii)
the Fund would hold more than 10% of the  outstanding  voting  securities of any
one issuer.

   (2) Purchase any security if, as a result, the Fund would have 25% or more of
its net assets (at current value) invested in a single industry.

   (3) Purchase  securities  on margin (but the Fund may obtain such  short-term
credits as may be necessary for the clearance of transactions).

   (4) Make short sales of  securities,  purchase  on margin or  purchase  puts,
calls, straddles or spreads.

   (5) Issue senior  securities,  borrow money or pledge its assets  except that
the Fund may borrow from a bank for  temporary or emergency  purposes in amounts
not  exceeding  10% (taken at the lower of cost or  current  value) of its total
assets (not including the amount  borrowed) and pledge its assets to secure such
borrowings.  The Fund will not make additional  purchases  while  borrowings are
outstanding.

   (6)  Buy  or  sell  commodities  or  commodity  contracts  including  futures
contracts or real estate, real estate limited partnerships or other interests in
real estate  although it may purchase and sell  securities  which are secured by
real estate and securities of companies which invest or deal in real estate.

   (7) Act as  underwriter  except to the  extent  that in  connection  with the
disposition of portfolio securities, it may be deemed to be an underwriter under
certain federal securities laws.

   (8)  Participate  on a joint  (or  joint and  several)  basis in any  trading
account in securities.

   (9) Invest in securities of other registered investment companies except that
the Fund may  invest up to 10% of its assets  (taken at current  value) in other
funds,  but no more  than 5% of its  assets in any one fund and the Fund may not
own more than 3% of the outstanding voting shares of any one fund except as part
of a merger, consolidation or other acquisition.

   (10)  Invest  in  interests  in oil,  gas or  other  mineral  exploration  or
development  programs or in oil,  gas or other  mineral  leases  although it may
invest in the  common  stocks of  companies  which  invest  in or  sponsor  such
programs.

                                       B-2
<PAGE>

   (11) Make loans except through repurchase  agreements;  however, the Fund may
engage in  securities  lending and may also  acquire debt  securities  and other
obligations  consistent  with the  Fund's  investment  objective  and its  other
investment  policies and  restrictions.  Investing in a debt  instrument that is
convertible  into equity or investing in a community loan fund is not considered
the making of a loan.

Operating Policies
- ------------------

The Fund has adopted the following  operating policies which may be changed by a
vote of the majority of the Fund's Trustees:

(1)  The Fund may purchase warrants up to a maximum of 5% of the value of its
     total net assets. 

(2)  The  Fund  may not  hold or  purchase  foreign  currency  except  as may be
     necessary in the settlement of foreign securities transactions.

Repurchase Agreements
- ---------------------

     The Fund may  purchase  the  following  securities  subject  to  repurchase
agreements: certificates of deposit, certain bankers' acceptances and securities
which are direct  obligations of, or that are fully  guaranteed as to principal,
by the United States or any agency or  instrumentality  of the United States.  A
repurchase  transaction  occurs when at the time the Fund  purchases a security,
the  Fund  also  resells  it to the  vendor  (normally  a  commercial  bank or a
broker-dealer) and must deliver the security (and/or securities  substituted for
them under the repurchase agreement) to the vendor on an agreed-upon date in the
future. Such securities,  including any securities so substituted,  are referred
to as the "Resold Securities." The Adviser will consider the creditworthiness of
any vendor of repurchase  agreements and continuously  monitor the collateral so
that it never falls below the resale price. The resale price is in excess of the
purchase price in that it reflects an agreed-upon market interest rate effective
for the period of time during  which the Fund's  money is invested in the Resold
Securities.  The  majority  of  these  transactions  run from day to day and the
delivery  pursuant to the resale typically will occur within one to five days of
the purchase. The Fund's risk is limited to the ability of the vendor to pay the
agreed-upon sum upon the delivery date.

     If there is a default,  the Resold Securities  constitute  security for the
repurchase obligation and will be promptly sold by the Fund. However,  there may
be delays and costs in establishing  the Fund's rights to the collateral and the
value of the collateral may decline.  The Fund will bear the risk of loss in the
event that the other party to the transaction defaults on its obligation and the
Fund is  delayed  or  prevented  from  exercising  its right to  dispose  of the
underlying securities,  including the risk of a possible decline in the value of
the  underlying  securities  during the period in which the Fund seeks to assert
its rights.

     Repurchase  agreements can be considered as loans  "collateralized"  by the
Resold  Securities  (such  agreements being defined as "loans" in the 1940 Act).
The  return  on  such  "collateral"  may be  more or less  than  that  from  the
repurchase  agreement.  The  Resold  Securities  will be marked to market  every
business  day so that the  value of the  "collateral"  is at least  equal to the
value of the loan  including the accrued  interest  earned  thereon.  All Resold
Securities  will be held by the Fund's  custodian  either  directly or through a
securities depository.

Lending Portfolio Securities
- ----------------------------

     To generate  additional income, the Fund may lend its portfolio  securities
to broker-dealers,  banks or other  institutional  borrowers of securities.  The
Fund  must  receive  102%  collateral  in the  form of  cash or U.S.  Government
securities. This collateral will be valued daily. Should the market value of the
loaned securities increase,  the borrower must furnish additional  collateral to
the Fund.  During the time  portfolio  securities are on loan, the borrower pays
the Fund any dividends or interest  received on such securities.  While the Fund
does not have the right to vote securities that are on loan, the Fund intends to
terminate the loan and regain the right to vote if that is considered important

                                       B-3
<PAGE>

with respect to the investment.  The borrower can repay the loan at any time and
the Fund can demand repayment at any time.


                                   MANAGEMENT

The Trustees and Officers of the Fund are as follows:

                                                      Principal Occupation
Name and Address            Position with Fund       During Past Five Years
- ----------------            ------------------       ----------------------
Jerome L. Dodson*               President        President of The Parnassus Fund
One Market                     and Trustee       an President and Director of 
Steuart Tower #1600                              Parnassus Investments since 
San Francisco, CA 94105                          June of 1984.

Howard Fong                   Vice President     Vice President and Treasurer of
The Parnassus Fund             and Treasurer     The Parnassus Fund and of 
One Market                                       Parnassus Investments since
Steuart Tower #1600                              February of 1989.
San Francisco, CA 94105

David L. Gibson                   Trustee        Attorney in private practice.
5840 Geary Boulevard
San Francisco, CA 94118

Gail L. Horvath                   Trustee        Owner and Director of New 
Just Desserts                                    Product Development at Just 
1970 Carroll Avenue                              Desserts.
San Francisco, CA 94124

Herbert A. Houston                Trustee        Chief Executive Officer of the
Haight Ashbury Free Clinics                      Haight Ashbury Free Clinics, 
Presidio Building 1003                           Inc.
O'Reilly Avenue
P.O. Box 29917
San Francisco, CA 94129

Cecilia C.M. Lee                  Trustee        President of Ultra Media, a 
2048 Corporate Court                             Silicon Valley-based 
San Jose, CA 95131                               electronics firm.

Leo T. McCarthy                   Trustee        President of the Daniel Group, 
One Market                                       a partnership involved in 
Steuart Tower #1600                              foreign trade. A former member
San Francisco, CA 94105                          of the California State 
                                                 Assembly from 1969-1982 and 
                                                 former Lieutenant Governor of 
                                                 the State of California from 
                                                 1983-1995.


                                       B-4

<PAGE>

Donald E. O'Connor                Trustee       Retired. Executive for the
One Market                                      Investment Company Institute
Steuart Tower #1600                             1969-1997.
San Francisco, CA 94105

Howard M. Shapiro                 Trustee       Consultant to non-profit
American Bank Building                          organizations specializing in
621 SW Morrison Street,                         marketing, fund-raising and
Ste. #600                                       organizational structure.
Portland, OR 97205                                           

Joan Shapiro                       Trustee      Consultant in development
One Market                                      banking, community reinvestment,
Steuart Tower #1600                             ethical investing, and corporate
San Francisco, CA 94105                         social responsibility. Executive
                                                with South Shore Bank of Chicago
                                                1977-1997.

Richard D. Silberman              Secretary     Attorney specializing in 
465 California St. #1020                        business and securities law. 
San Francisco, CA 94104                         Private practice.


The Fund pays each of its Trustees who is not affiliated with the Adviser or the
Distributor  annual  fees of $10,500 in addition  to  reimbursement  for certain
out-of-pocket  expenses.  The  Trustees  and Officers of the Fund as a group own
less than 1% of the Fund's outstanding shares.

*"Interested" Trustee as defined in the 1940 Act.


                                 CONTROL PERSONS

     As of  December  31,  1997,  no  shareholder  owned  more  than  5% of  the
outstanding  securities of the Fund. Trustees and Officers of The Parnassus Fund
owned less than 1% of the outstanding shares.

The Adviser
- -----------

     Parnassus  Investments  acts  as  the  Fund's  investment  adviser.   Under
Parnassus  Investment's  Investment  Advisory  Agreement  ("Agreement") with the
Fund,  Parnassus  Investments  acts as  investment  adviser and,  subject to the
supervision  of the Board of Trustees,  directs the  investments  of the Fund in
accordance with its investment  objective,  policies and limitations.  Parnassus
Investments  also provides the Fund with all  necessary  office  facilities  and
personnel for servicing the Fund's investments and pays the salaries and fees of
all  officers  and  all  Trustees  of the  Fund  who are  "interested  persons."
Parnassus  Investments also provides the management and administrative  services
necessary for the operation of the Fund including supervising relations with the
custodian,  transfer agent,  independent accountants and attorneys.  The Adviser
also  prepares all  shareholder  communication,  maintains  the Fund's  records,
registers the Fund's shares under state and federal laws and does the staff work
for the Board of Trustees.

     The Agreement provides that the Adviser shall not be liable to the Fund for
any loss to the Fund except by reason of the Adviser's willful misfeasance,  bad
faith or gross negligence in the performance of its duties,  or by reason of its
reckless disregard of its obligations and duties under the Agreement.


                                       B-5
<PAGE>

     The Fund pays the Adviser a fee for  services  performed at the annual rate
of 1% of the Fund's  average daily net assets up to $10 million,  then declining
to 0.75% of assets above $10 million up to $30 million,  0.70% above $30 million
up to $100  million,  0.65%  above $100  million to $200  million,  0.60% of the
amount above $200 million.  Any such reductions are accrued and paid in the same
manner as the  Adviser's  fee and are subject to  readjustment  during the year.
During 1995,  1996 and 1997,  the Fund paid to Parnassus  Investments  under the
investment advisory contract the sums of $1,582,602,  $1,736,345 and $2,120,608,
respectively.

     As  the  Fund's  underwriter,  Parnassus  Investments  makes  a  continuous
offering of the Fund's shares and receives fees and commissions for distributing
the Fund's  shares.  For 1995,  1996 and 1997,  Parnassus  Investments  received
$1,897,143, $663,213 and $447,056,  respectively, of which amounts the following
was  paid to  other  broker/dealers:  $564,362  in  1995,  $220,044  in 1996 and
$156,972 in 1997.

Portfolio Transactions and Brokerage
- ------------------------------------

     The Agreement  states that in connection with its duties to arrange for the
purchase and the sale of securities held in the portfolio of the Fund by placing
purchase  and  sale  orders  for  the  Fund,   the  Adviser  shall  select  such
broker-dealers  ("brokers") as shall, in the Adviser's judgement,  implement the
policy of the Fund to achieve  "best  execution,"  i.e.,  prompt  and  efficient
execution at the most favorable securities price. In making such selection,  the
Adviser is authorized in the  Agreement to consider the  reliability,  integrity
and  financial  condition  of the  broker.  The  Adviser is also  authorized  to
consider whether the broker provides  brokerage and/or research  services to the
Fund  and/or  other  accounts  of the  Adviser.  The  Agreement  states that the
commissions  paid to such brokers may be higher than  another  broker would have
charged if a good faith determination is made by the Adviser that the commission
is  reasonable in relation to the services  provided,  viewed in terms of either
that particular transaction or the Adviser's overall  responsibilities as to the
accounts for which it exercises investment discretion and that the Adviser shall
use its  judgement  in  determining  that the  amount  of  commissions  paid are
reasonable in relation to the value of brokerage and research  services provided
and need not place or attempt to place a specific  dollar value on such services
or on the portion of commission rates reflecting such services.

     The Fund recognizes in the Agreement that, on any particular transaction, a
higher  than  usual  commission  may  be  paid  due  to  the  difficulty  of the
transaction  in question.  The Adviser is also  authorized  in the  Agreement to
consider sales of Fund shares as a factor in the selection of brokers to execute
brokerage  and  principal  transactions,  subject to the  requirements  of "best
execution," as defined above.

     The  research  services  discussed  above may be in written form or through
direct  contact with  individuals  and may include  information as to particular
companies and securities as well as market,  economic or institutional areas and
information assisting the Fund in the valuation of its investments. The research
which the Adviser receives for the Fund's brokerage commissions,  whether or not
useful to the Fund, may be useful to the Adviser in managing the accounts of the
Adviser's  other  advisory  clients.  Similarly,  the research  received for the
commissions  of such  accounts  may be useful to the Fund.  To the  extent  that
electronic  or other  products  provided  by brokers are used by the Adviser for
research purposes,  the Adviser will use its best judgement to make a reasonable
allocation of the cost of the product attributable to non-research use.

     The Adviser may also use brokerage  commissions to reduce certain  expenses
of the Fund subject to "best execution." For example, the Adviser may enter into
an  agreement to have a brokerage  firm pay part or all of the Fund's  custodian
fee since this benefits the Fund's shareholders.

     In the over-the-counter market,  securities are generally traded on a "net"
basis with dealers  acting as principal for their own accounts  without a stated
commission  although the price of the security  usually includes a profit to the
dealer.  Money market  instruments  usually  trade on a "net" basis as well.  On
occasion,  certain money market  instruments  may be purchased  directly from an
issuer in which case, no commissions or discounts are paid.

                                       B-6
<PAGE>

In  underwritten  offerings,  securities  are  purchased  at a fixed price which
includes an amount of compensation to the underwriter,  generally referred to as
the underwriter's concession or discount.

     During 1995, 1996 and 1997, the Fund paid $578,760,  $617,143 and $574,269,
respectively, in brokerage commissions. Of those amounts, the following was paid
in conjunction with research  services:  $317,075 in 1995,  $327,624 in 1996 and
$525,000 in 1997.

     Parnassus  Investments  has clients other than The Parnassus Fund that have
objectives  similar  to the Fund.  Normally,  orders for  securities  trades are
placed separately for each client.  However,  some recommendations may result in
simultaneous  buying or selling of securities  along with the Fund. As a result,
the demand for securities being purchased or the supply of securities being sold
may  increase,  and this  could  have an  adverse  effect  on the price of those
securities.  Parnassus  Investments  does not favor one client  over  another in
making  recommendations  or placing orders,  and in some situations,  orders for
different clients may be grouped together.  In certain cases where the aggregate
order is executed in a series of  transactions at various prices on a given day,
each  participating  client's  proportionate  share of such order  reflects  the
average  price paid or received  with respect to the total order.  Also,  should
only a partial order be filled,  each client would ordinarily receive a pro rata
share of the total order.

                             PERFORMANCE ADVERTISING

     The Fund's average annual total return (computed in the manner described in
the  prospectus) for the one, five and ten year periods ending December 31, 1997
was 25.16%,  13.06% and 16.11%.  These results are based on historical  earnings
and  asset  value   fluctuations   and  are  not  intended  to  indicate  future
performance.

                                 NET ASSET VALUE

     In determining the net asset value of the Fund's shares, common stocks that
are listed on national securities exchanges are valued at the last sale price on
the  exchange on which each stock is  principally  traded as of the close of the
New York Stock  Exchange  (which is currently  4:00 pm New York time) or, in the
absence of recorded sales, at the average of readily  available  closing bid and
asked prices on such exchanges. Securities traded on The Nasdaq Stock Market are
also valued at the last recorded  sale price as of 4:00 pm New York time.  Other
unlisted  securities are valued at the quoted bid price in the  over-the-counter
market.  Bonds and other  fixed-income  securities  are valued by a  third-party
pricing service. Securities and other assets for which market quotations are not
readily  available are valued at their fair value as determined in good faith by
the Adviser under  procedures  established by and under the general  supervision
and responsibility of the Fund's Board of Trustees. Short-term investments which
mature in less than 60 days are valued at  amortized  cost  (unless the Board of
Trustees  determines  that this method does not  represent  fair value) if their
original  maturity was 60 days or less or by amortizing the value as of the 61st
day prior to maturity if their original term to maturity exceeded 60 days.

                              SHAREHOLDER SERVICES

Statement of Intention
- ----------------------

     Reduced  sales  charges are available to investors who enter into a written
Statement of Intention  (Letter of Intent)  providing for the purchase  within a
thirteen-month period of a specified number of shares of the Fund. All shares of
the Fund previously  purchased and still owned are also included at the then net
asset value in determining the applicable reduction.

     A  Statement  of  Intention  permits  a  purchaser  to  establish  a  total
investment   goal  to  be  achieved  by  any  number  of   investments   over  a
thirteen-month  period.  Each investment made during the period will receive the
reduced sales commission  applicable to the amount represented by the goal as if
it were a single investment. Shares totaling

                                       B-7
<PAGE>

3.5% of the dollar amount of the  Statement of Intention  will be held in escrow
by the Transfer  Agent in the name of the  shareholder.  The effective date of a
Statement of Intention may be back-dated up to 90 days in order that investments
made during this 90-day period,  valued at  purchaser's  cost, can be applied to
the fulfillment of the Statement of Intention goal.

     The  Statement of Intention  does not obligate the investor to purchase nor
the Fund to sell the indicated  amount.  In the event the Statement of Intention
goal is not achieved within the thirteen-month period, the purchaser is required
to pay the difference between the sales commission  otherwise  applicable to the
purchases made during this period and sales charges actually paid. Such payments
may be made directly to the Distributor  or, if not paid, the  Distributor  will
liquidate  sufficient escrowed shares to obtain such difference.  If the goal is
exceeded in an amount  which  qualifies  for a lower sales  commission,  a price
adjustment  is made by  refunding  to the  purchaser  the amount of excess sales
commissions,  if any, paid during the thirteen-month period.  Investors electing
to  purchase  shares of the Fund  pursuant to a Statement  of  Intention  should
carefully read such Statement of Intention.

Systematic Withdrawal Plan
- --------------------------

     A Systematic  Withdrawal  Plan (the "Plan") is available  for  shareholders
having  shares  of the Fund  with a  minimum  value of  $10,000  based  upon the
offering price.  The Plan provides for monthly checks in an amount not less than
$100 or quarterly checks in an amount not less than $200.

     Dividends and capital gain  distributions on shares held under the Plan are
invested in additional full and fractional shares at net asset value. Withdrawal
payments  should not be considered as  dividends,  yield or income.  If periodic
withdrawals   continuously   exceed   reinvested   dividends  and  capital  gain
distributions,  the shareholder's  original  investment will be  correspondingly
reduced and ultimately exhausted.

     Furthermore,  each  withdrawal  constitutes  a redemption of shares and any
gain or loss  realized  must be  recognized  for  federal  income tax  purposes.
Although the shareholder  may invest $10,000 or more in a Systematic  Withdrawal
Plan,  withdrawals  made  concurrently  with purchases of additional  shares are
inadvisable  because  of  the  sales  charges  applicable  to  the  purchase  of
additional shares.

Tax-Sheltered Retirement Plans
- ------------------------------

     Through  the  Distributor,   retirement  plans  are  available:  Individual
Retirement  Accounts  (IRAs)  and  Simplified  Employee  Pension  Plans  (SEPs).
Adoption  of such plans  should be on advice of legal  counsel  or tax  adviser.
Retirement  accounts  have  a  minimum  initial  investment  of  $500  and  each
subsequent  investment must be at least $50. For further  information  regarding
plan administration,  custodial fees and other details, investors should contact
the Distributor.


                                     GENERAL

     The Fund was organized as a Massachusetts  business trust on April 4, 1984.
Its  Declaration of Trust permits the Fund to issue an unlimited  number of full
and fractional shares of beneficial interest and to divide or combine the shares
to  a  greater  or  lesser  number  of  shares  without  thereby   changing  the
proportionate beneficial interest in the Fund. Each share represents an interest
in the  Fund  proportionately  equal  to  the  interest  of  each  other  share.
Certificates   representing   shares  will  not  be  issued.   Upon  the  Fund's
liquidation,  all shareholders  would share pro rata in its net assets available
for  distribution  to  shareholders.  If they deem it advisable  and in the best
interests of shareholders, the Board of Trustees may create additional series of
shares or classes  thereof which may have separate  assets and  liabilities  and
which may differ from each other as to dividends and other  features.  Shares of
each

                                       B-8
<PAGE>

series or class  thereof  would be entitled to vote as a series or class only to
the extent required by the 1940 Act or as permitted by the Trustees.

     The  Declaration  of Trust  contains an express  disclaimer of  shareholder
liability  for  its  acts  or  obligations  and  requires  that  notice  of such
disclaimer be given in each agreement,  obligation or instrument entered into or
executed by the Fund or its  Trustees.  The  Declaration  of Trust  provides for
indemnification and reimbursement of expenses out of the Fund's property for any
shareholder held personally liable for its obligations. The Declaration of Trust
also provides that the Fund shall, upon request, assume the defense of any claim
made against any  shareholder  for any act or obligation of the Fund and satisfy
any judgement thereon.  Thus, while Massachusetts law permits a shareholder of a
trust  such as this to be held  personally  liable  as a partner  under  certain
circumstances,  the risk of a shareholder incurring financial loss on account of
shareholder liability is highly unlikely and is limited to the relatively remote
circumstances in which the Fund would be unable to meets its obligations.

     The  Declaration  of Trust  further  provides that the Trustees will not be
liable for errors of  judgement  or mistakes of fact or law,  but nothing in the
Declaration of Trust protects a Trustee  against any liability to which he would
otherwise  be  subject  by reason  of  willful  misfeasance,  bad  faith,  gross
negligence or reckless disregard of the duties involved in the conduct of his or
her office.

Deloitte & Touche LLP, 50 Fremont Street,  San Francisco,  California 94105, has
been selected as the Fund's independent auditors.

Union Bank of California,  475 Sansome Street, San Francisco,  California 94111,
has been selected as the custodian of the Fund's assets.  Shareholder  inquiries
should be directed to the Fund.

Parnassus Investments, One Market-Steuart Tower #1600, San Francisco, California
94105,  is the Fund's  transfer agent and accounting  agent.  As transfer agent,
Parnassus  Investments  receives  a fee of  $2.30  per  account  per  month.  As
accounting  agent,  Parnassus  Investments  receives a fee of $70,000  per year.
Jerome L. Dodson,  the Fund's  President,  is the sole  stockholder of Parnassus
Investments.

                              FINANCIAL STATEMENTS

         The Fund's Annual Report to  Shareholders  dated  December 31, 1997, is
expressly  incorporated  by  reference  and  made a part  of this  Statement  of
Additional  Information.  A copy of the Annual Report which  contains the Fund's
audited  financial  statements  for the year ending  December 31,  1997,  may be
obtained free of charge by writing or calling the Fund.











                                       B-9

<PAGE>


                                     PART C
                                OTHER INFORMATION


Item 24. Financial Statements and Exhibits

           (a) Financial Statements

               (i) Selected  financial  highlights from January 1, 1988, through
               December 31, 1997, appears in Part A.

               (ii) Audited  financial  statements as of December 31, 1997,  are
               incorporated by reference.  These statements appear in the annual
               report  dated  December  31,  1997,  and  are on  file  with  the
               Commission.  Financial statements include statement of assets and
               liabilities, statement of operations, statement of changes in net
               assets,  Portfolio  of  Investments  by Industry  Classification,
               notes to financial statements and independent auditors' report.

           (b) Exhibits

               (1)  Declaration  of Trust:  Amended and Restated as of March 30,
               1998: included

               (2) By-laws: Amended and Restated as of March 30, 1998: included

               (3) Not applicable

               (4) Not applicable

               (5) Investment  advisory contract:  Amended as of March 30, 1998:
               included

               (6) Distribution agreement and dealer agreement: on file

               (7) Not applicable

               (8) Custodian agreement: on file

               (9) Shareholder Servicing Plan and Agreement: on file

               (10) Opinion and Consent of Counsel: on file

               (11) Consent of Deloitte & Touche LLP: included

               (12) Not applicable

               (13) Investment letters: on file

               (14) Individual  Retirement  Account Form:  included;  Simplified
               Employee Pension Plan: on file; Roth IRA: included

               (15) Not applicable

               (16) Schedule for computation of each performance quote: included


Item 25. Persons Controlled by or under Common Control with Registrant:
         Registrant is not  controlled by or under common control with any other
         person,  except  to the  extent  Registrant  may be  deemed to be under
         common control with The Parnassus  Income Trust by virtue of having the
         same individuals as Trustees.

Item 26. Number of Holders  of  Securities:  As of December 31, 1997, there were
         20,550 holders of the Registrant's shares of beneficial interest.

Item 27. Indemnification:  Under the provisions of the Fund's Declaration of
         Trust,  the  Fund  will  indemnify  its  present  or  former  Trustees,
         officers, employees and certain other agents against liability incurred
         in such capacity except that no such person may be indemnified if there
         has been an  adjudication  of liability  against that person based on a
         finding of willful misfeasance, bad faith, gross negligence or reckless
         disregard of the duties involved in the conduct of his or her office.

Item 28. The  Fund's  investment  adviser,  Parnassus  Investments,  is the
         investment  adviser to The  Parnassus  Income  Trust and also serves as
         investment adviser for separate portfolios.

Item 29. (a) Parnassus Investments serves as underwriter for both The Parnassus 
         Fund and The Parnassus Income Trust.

         (b) The officers and directors of Parnassus Investments are as follows:


Name and Principal
Business Address           Position with Distributor    Position with Registrant
- ----------------           -------------------------    ------------------------
Jerome L. Dodson             President and Director       President and Trustee
One Market
Steuart Tower #1600
San Francisco, CA 94105

Howard Fong                      Treasurer                 Vice President and
One Market                                                     Treasurer
Steuart Tower #1600
San Francisco, CA 94105

Susan Loughridge                 Secretary                       None
One Market
Steuart Tower #1600
San Francisco, CA 94105

Thao N. Dodson                   Director                        None
One Market
Steuart Tower #1600
San Francisco, CA 94105

              (c) None

Item 30. Location of Accounts and Records:  All accounts,  books and records are
         in  the  physical  possession  of  Jerome  L.  Dodson  at  Registrant's
         headquarters  at One Market,  Steuart Tower #1600,  San  Francisco,  CA
         94105.

Item 31. Management Services: Discussed in Part A.

Item 32. Not applicable


<PAGE>

                                   SIGNATURES


Pursuant to the  requirements  of the  Securities Act of 1933 and the Investment
Company  Act  of  1940,  the  Registrant  certifies  that  it  meets  all of the
requirements for effectiveness of this Registration  Statement  pursuant to Rule
485 (b) under the Securities  Act of 1933 and has duly caused this  Registration
Statement  to  be  signed  on  its  behalf  by  the  undersigned,  thereto  duly
authorized,  in the City and County of San Francisco and the State of California
on the 28th day of March 1998.

                                                  The Parnassus Fund

                                                  (Registrant)


                                                  By:___________________________
                                                  Jerome L. Dodson
                                                  President



Pursuant to the  requirements of the Securities Act of 1933,  this  Registration
Statement has been signed by the following  persons in the capacities and on the
date indicated.

<PAGE>

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


                              Principal Executive Officer        March 27, 1998
- ----------------------              and Trustee                  --------------
 Jerome L. Dodson                                                       



                              Principle Financial and            March 27, 1998
- ----------------------           Accounting Officer              -------------- 
Howard Fong


                                     Trustee                     March 27, 1998
- ----------------------                                           -------------- 
David L. Gibson


                                     Trustee                     March 27, 1998
- ----------------------                                           -------------- 
Gail L. Horvath


                                     Trustee                     March 27, 1998
- ----------------------                                           --------------
Herbert A. Houston


                                     Trustee                     March 27, 1998
- ----------------------                                           -------------- 
Cecilia C.M. Lee


                                     Trustee                     March 27, 1998
- ----------------------                                           -------------- 
Leo T. McCarthy


                                     Trustee                     March 27, 1998
- ----------------------                                           -------------- 
Donald E. O'Connor


                                     Trustee                     March 27, 1998
- -----------------------                                          -------------- 
Howard M. Shapiro


                                     Trustee                     March 27, 1998
- -----------------------                                          --------------
Joan Shapiro
<PAGE>

                                LIST OF EXHIBITS


(1)      Declaration of Trust: Amended and Restated as of March 30, 1998

(2)      By laws: Amended and restated as of March 30, 1998

(5)      Investment Advisory Agreement: Amended as of March 30, 1998

(11)     Consent of Deloitte & Touche LLP

(14)     Individual Retirement Account Form & Roth IRA

(16)     Schedule for computation of each performance quote




<PAGE>

                                                                      EXHIBIT 1
                               THE PARNASSUS FUND


                              AMENDED AND RESTATED
                              DECLARATION OF TRUST



         DECLARATION OF TRUST,  made April 2, 1984, as amended,  and as restated
effective March 30, 1998:

         WHEREAS,  the Trustees  desire to establish a trust fund under the laws
of the  Commonwealth of  Massachusetts,  for the investment and  reinvestment of
funds contributed thereto;

         NOW  THEREFORE,  the  Trustees  declare  that all  money  and  property
contributed  to the trust fund  hereunder  shall be held and managed  under this
Declaration of Trust IN TRUST as herein set forth below.

         FIRST:  This Trust shall be known as THE PARNASSUS FUND.

         SECOND:  Whenever used herein, unless otherwise required by the context
or specifically provided:

         1. All terms used in this Declaration of Trust which are defined in the
            1940 Act shall have the meanings given to them in the 1940 Act.

         2. The "Trust" refers to THE PARNASSUS FUND.

         3. "Shareholder" means a record owner of Shares of the Trust.

         4. The "Trustees" refer to the individual trustees in their capacity as
            trustees  hereunder of the Trust and their  successor or  successors
            for the time being in office as such trustees.

         5. "Shares" means the equal  proportionate units of interest into which
            the  beneficial  interest of each Series or Class  thereof  shall be
            divided from time to time and  includes  fractions of shares as well
            as whole  shares (all of the units of a Series or of a single  Class
            may be referred to as "Shares" as the context may require).

         6. "Series"  refers to series  of  Shares of the Trust  established  in
            accordance with the provisions of Article FOURTH.

         7. "Class"  refers  to the  class of  Shares  of a Series  of the Trust
            established in accordance with the provisions of Article FOURTH.

         8. The "1940 Act"  refers to the  Investment  Company  Act of 1940,  as
            amended from time to time.

         9. "Commission" means the Securities and Exchange Commission.

         10."Board" or "Board of  Trustees"  means the Board of  Trustees of the
            Trust.

         11. In this Declaration of Trust, the masculine embraces the feminine.

         THIRD:  The purpose or  purposes  for which the Trust is formed and the
 business  or objects to be  transacted,  carried on and  promoted  by it are as
 follows:

         1. To hold, invest and reinvest its funds, and in connection  therewith
to hold part or all of its funds in cash, and to purchase or otherwise  acquire,
hold for investment or otherwise, sell, sell short, assign, negotiate, transfer,
exchange or otherwise dispose of or turn to account or realize upon,  securities
(which term  "securities"  shall for the purposes of this  Declaration of Trust,
without limitation of the generality  thereof,  be deemed to include any stocks,
shares,  bonds,  debentures,  notes,  mortgages  or other  obligations,  and any
certificates,  receipts,  warrants or other instruments  representing  rights to
receive,  purchase or subscribe for the same, or evidencing or representing  any
other rights or  interests  therein,  or in any  property or assets)  created or
issued  by any  issuer  (which  term  "issuer"  shall for the  purposes  of this
Declaration of Trust,  without limitation of the generality thereof be deemed to
include   any   persons,   firms,   associations,    corporations,   syndicates,
combinations,  organizations,  governments,  or subdivisions  thereof) or in any
other  financial   instruments  whether  or  not  considered  as  securities  or
commodities;  and to  exercise,  as owner or holder of any  securities  or other
financial instruments, all rights, powers and privileges in respect thereof; and
to do any and all acts and things for the preservation,  protection, improvement
and  enhancement  in  value  of any or all such  securities  or other  financial
instruments.

         2. To borrow  money and  pledge  assets in  connection  with any of the
objects  or  purposes  of the  Trust,  and to issue  notes or other  obligations
evidencing such  borrowings,  to the extent permitted by the 1940 Act and by the
Trust's fundamental investment policies under the 1940 Act.

         3. To issue and sell its Shares in such  amounts  and on such terms and
conditions,  for such  purposes  and for such  amount  or kind of  consideration
(including   without   limitation   thereto,   securities  or  other   financial
instruments)  now or  hereafter  permitted  by the laws of the  Commonwealth  of
Massachusetts and by this Declaration of Trust, as the Trustees may determine.

         4.  To  purchase  or  otherwise  acquire,  hold,  dispose  of,  resell,
transfer, reissue or cancel (all without the vote or consent of the Shareholders
of the Trust)  its  Shares,  in any  manner  and to the extent now or  hereafter
permitted by the laws of Massachusetts and by this Declaration of Trust.

         5. To conduct its  business in all its  branches at one or more offices
in Massachusetts and elsewhere in any part of the world,  without restriction or
limit as to extent.

         6. To carry out all or any of the  foregoing  objects  and  purposes as
principal  or agent,  and alone or with  associates  or,  to the  extent  now or
hereafter  permitted  by the laws of  Massachusetts,  as a member  of, or as the
owner or holder of any stock of, or share of  interest  in, any  issuer,  and in
connection  therewith  to make or enter  into such deeds or  contracts  with any
issuers and to do such acts and things and to exercise such powers, as a natural
person could lawfully make, enter into, do or exercise.

         7. To do any and all such  further  acts and things and to exercise any
and  all  such  further  powers  as  may  be  necessary,  incidental,  relative,
conducive,  appropriate  or desirable  for the  accomplishment,  carrying out or
attainment of all or any of the foregoing purposes or objects.

         The foregoing objects and purposes shall, except as otherwise expressly
provided, be in no way limited or restricted by reference to, or inference from,
the terms of any other clause of this or any other Articles of this  Declaration
of Trust,  and shall each be regarded as independent  and construed as powers as
well as objects and purposes, and the enumeration of specific purposes,  objects
and powers shall not be construed to limit or restrict in any manner the meaning
of general terms or the general  powers of the Trust now or hereafter  conferred
by the laws of the Commonwealth of Massachusetts nor shall the expression of one
thing be deemed to exclude another,  though it be of like nature, not expressed;
provided,  however,  that the Trust shall not carry on any business, or exercise
any powers,  in any state,  territory,  district or country except to the extent
that the same may lawfully be carried on or exercised under the laws thereof.

         FOURTH: (a) The beneficial  interest in the Trust shall be divided into
such  transferable  Shares,  without  par  value,  of one or more  separate  and
distinct  Series or  Classes  thereof  as the  Trustees  shall from time to time
create and  establish.  The number of Shares is unlimited  and upon  issuance in
accordance  with the terms  hereof  shall be fully paid and  nonassessable.  The
Trustees  shall have full power and  authority,  in their  sole  discretion  and
without  obtaining any prior  authorization  or vote of the  Shareholders of the
Trust,  to create and establish  (and to change in any manner)  Shares with such
preferences,  terms of conversion,  voting powers,  rights and privileges as the
Trustees may from time to time determine, to divide or combine the Shares into a
greater or lesser number, to classify or reclassify any unissued Shares into one
or more  Series or  Classes  of Shares,  to  abolish  any one or more  Series or
Classes of Shares,  and to take such other  action with respect to the Shares as
the Trustees may deem desirable. Contributions to the Trust may be accepted for,
and Shares  shall be  redeemed  as,  whole  Shares or  1/1,000ths  of a Share or
multiple  thereof.  The  Trustees,  in their  discretion  without  a vote of the
Shareholders,  may divide the Shares of any Series into Classes.  In such event,
each Class of a Series  shall  represent  interests in the assets of that Series
and have identical voting,  dividend,  liquidation and other rights and the same
terms and conditions,  except that expenses allocated to a Class of a Series may
be borne solely by such Class as shall be determined by the Trustees and a Class
of a Series may have exclusive  voting rights with respect to matters  affecting
only that Class.  Without  limiting  the  authority of the Trustees set forth in
this Article FOURTH to establish and designate  Series or Classes,  the Trustees
have established and designated the Series of Shares and Classes, if any, listed
in Schedule A attached hereto and made a part hereof.

         (b) The  establishment  of any Series or Class in addition to those set
forth in (a) above shall be effective  upon the  adoption of a  resolution  by a
majority of the then Trustees setting forth such  establishment  and designation
and the relative  rights and  preferences  of the Shares of such Series or Class
thereof.  At any time that  there are no Shares  outstanding  of any  particular
Series  previously  established and  designated,  the Trustees may by a majority
vote abolish that Series and the establishment and designation  thereof.  At any
time that there are no shares  outstanding of any particular  Class of a Series,
the Trustees may by a majority vote abolish that Class and the establishment and
designation  thereof. The Trustees by a majority vote may change the name of any
Series or Class.

         (c) All  consideration  received  by the Trust for the issue or sale of
Shares  of  a  particular  Series,  together  with  all  assets  in  which  such
consideration  is invested or reinvested,  all income,  earnings,  profits,  and
proceeds  thereof,  including  any proceeds  derived from the sale,  exchange or
liquidation  of  such  assets,  and any  funds  or  payments  derived  from  any
reinvestment  of such  proceeds  in  whatever  form the  same  may be,  shall be
referred to as "assets  belonging  to" that  Series.  In  addition,  any assets,
income,  earnings,  profits, and proceeds thereof,  funds, or payments which are
not  readily  identifiable  as  belonging  to any  particular  Series  shall  be
allocated  by the  Trustees  between and among one or more of the Series in such
manner as they, in their sole  discretion,  deem fair and  equitable.  Each such
allocation  shall be conclusive and binding upon the  Shareholders of all Series
for all purposes,  and shall be referred to as assets  belonging to that Series.
The assets belonging to a particular  Series shall be so recorded upon the books
of the Trust,  and shall be held by the Trustees in Trust for the benefit of the
holders of Shares of that Series. The assets belonging to each particular Series
shall be charged with the  liabilities  of that Series and all expenses,  costs,
charges and reserves  attributable  to that Series except that  liabilities  and
expenses  allocated  solely to a particular  Class shall be borne by that Class.
Any general  liabilities,  expenses,  costs, charges or reserves of the Trust or
Series which are not readily  identifiable as belonging to any particular Series
or Class shall be allocated and charged by the Trustees between or among any one
or more of the Series or Classes in such  manner as the  Trustees  in their sole
discretion deem fair and equitable. Each such allocation shall be conclusive and
binding upon the  Shareholders  of all Series or Classes for all  purposes.  Any
creditor  of any Series  may look only to the  assets of that  Series to satisfy
such creditor's debt. See Article EIGHTH, paragraph 1.

         (d) The ownership of Shares shall be recorded in the books of the Trust
or a  transfer  agent.  The  Trustees  may  make  such  rules  as they  consider
appropriate for the transfer of Shares and similar matters.  The record books of
the Trust or any transfer  agent,  as the case may be, shall be conclusive as to
who are the  holders of Shares and as to the number of Shares  held from time to
time by each.

         (e) The  Trustees  shall  accept  investments  in the  Trust  from such
persons and on such terms as they may from time to time authorize.

         (f)  Shareholders  shall have no preemptive or other right to subscribe
to any  additional  Shares  or  other  securities  issued  by the  Trust  or the
Trustees.

         FIFTH:  The  following  provisions  are hereby  adopted with respect to
 voting Shares of the Trust and certain other rights:

         1. The  Shareholders  shall have power to vote (i) for the  election of
Trustees  to the  extent  provided  in the  By-Laws,  (ii) with  respect  to the
amendment of this Declaration of Trust as provided in Article EIGHTH,  paragraph
12, (iii) to the same extent as the  shareholders  of a  Massachusetts  business
corporation,  as to whether or not a court action, proceeding or claim should be
brought or maintained  derivatively  or as a class action on behalf of the Trust
or the Shareholders,  and (iv) with respect to such additional  matters relating
to the Trust as may be  required by the 1940 Act or  authorized  by law, by this
Declaration of Trust, or the By-Laws of the Trust or any registration  statement
of the Trust with the  Commission or any State,  or as the Trustees may consider
desirable.  On any matter  submitted to a vote of the  Shareholders,  all Shares
shall be voted by individual Series,  except: (i) when required by the 1940 Act,
Shares shall be voted in the aggregate and not by  individual  Series;  and (ii)
when the Trustees have  determined that the matter affects only the interests of
one or more Classes,  then only the  Shareholders of such Class or Classes shall
be entitled to vote thereon.

         2. At all meetings of Shareholders  each Shareholder  shall be entitled
to one vote for each Share standing in his name on the books of the Trust on the
date,  fixed in accordance with the By-Laws,  for  determination of Shareholders
entitled  to vote at such  meeting  except  (if so  determined  by the  Board of
Trustees) for Shares redeemed prior to the meeting.  Any fractional  Share shall
carry  proportionately  all the rights of a whole Share,  including the right to
vote and the right to receive  dividends.  The presence in person or by proxy of
the holders of one-third of the Shares  outstanding and entitled to vote thereat
shall constitute a quorum at any meeting of the Shareholders.  If at any meeting
of the Shareholders there shall be less than a quorum present,  the Shareholders
present at such meeting may, without further notice,  adjourn the same from time
to time until a quorum shall attend,  but no business shall be transacted at any
such adjourned  meeting  except such as might have been lawfully  transacted had
the meeting not been adjourned.

         3.  Each  Shareholder,  upon  request  to  the  Trust  in  proper  form
determined by the Trust, shall be entitled to require the Trust to redeem all or
any part of the Shares  standing in the name of the  Shareholder.  The method of
computing such net asset value,  the time at which such net asset value shall be
computed and the time within which the Trust shall make payment therefor,  shall
be determined as hereinafter  provided in Article SEVENTH of this Declaration of
Trust.  Notwithstanding the foregoing,  the Trustees, when permitted or required
to do so by the 1940 Act, may suspend the right of the  Shareholders  to require
the Trust to redeem Shares.

         4. No Shareholder shall, as such holder,  have any right to purchase or
subscribe  for any security of the Trust which it may issue or sell,  other than
such right, if any, as the Trustees, in their discretion, may determine.

         5. Notwithstanding  anything elsewhere contained in this Declaration of
Trust or in the By-Laws of the Trust, so long as the By-Laws of the Trust do not
provide  for  regular  annual  meetings  of  Shareholders  of  the  Trust,   the
Shareholders  of the Trust shall have such rights,  and the Trust,  the Board of
Trustees,  and the Trustees  shall have such  obligations  as would exist if the
Trust were a common law trust  covered by Section  16(c) of the 1940 Act. In the
event that the Trust has outstanding two or more Series,  each such Series shall
be considered as if it were a separate  common law trust covered by said Section
16(c).  However,  the Trust  may at any time or from  time to time  apply to the
Commission  for one or more  exemptions  from all or part of said Section  16(c)
and, if an exemptive order or orders are issued by the Commission, such order or
orders  shall be deemed  part of said  Section  16(c) for the  purposes  of this
paragraph 5.

         SIXTH:  The person who shall act as initial  Trustees  are the  persons
 initially executing this Declaration of Trust or any counterpart thereof.

         However,  the  By-Laws of the Trust may fix the number of Trustees at a
number greater than that of the number of initial Trustees and may authorize the
Trustees to increase or decrease the number of Trustees,  to fill the  vacancies
created by any such  increase  in the number of  Trustees,  to set and alter the
terms of office of the  Trustees  and to lengthen  or lessen  their own terms or
make their terms of  indefinite  duration,  all subject to the 1940 Act.  Unless
otherwise  provided  by the  By-Laws  of the  Trust,  the  Trustees  need not be
Shareholders.

         SEVENTH: The following provisions are hereby adopted for the purpose of
 defining,  limiting and  regulating the powers of the Trust and of the Trustees
 and Shareholders.

         1. As soon as any Trustee is duly  elected by the  Shareholders  or the
Trustees and shall have accepted this trust,  the Trust estate shall vest in the
new Trustee or  Trustees,  together  with the  continuing  Trustees  without any
further act or conveyance, and he shall be deemed a Trustee hereunder.

         2.  The  death,  declination,   resignation,  retirement,  removal,  or
incapacity of the Trustees,  or any one of them,  shall not operate to annul the
Trust or to revoke any  existing  agency  created  pursuant to the terms of this
Declaration of Trust.

         3. The assets of the Trust  shall be held  separate  and apart from any
assets now or hereafter held in any capacity other than as Trustee  hereunder by
the Trustees or any successor Trustees.  All of the assets of the Trust shall at
all times be considered  as vested in the  Trustees.  Except as provided in this
Declaration of Trust,  no  Shareholder  shall have, as such holder of beneficial
interest in the Trust,  any  authority,  power or right  whatsoever  to transact
business  for or on  behalf of the  Trust,  or on  behalf  of the  Trustees,  in
connection  with the  property or assets of the Trust,  or in any part  thereon,
except the  rights to receive  the  income  and  distributable  amounts  arising
therefrom as set forth herein.

         4. The Trustees in all instances  shall act as principals,  and are and
shall be free from the control of the Shareholders. The Trustees shall have full
power and  authority  to do any and all acts and to make and execute any and all
contracts and  instruments  that they may consider  necessary or  appropriate in
connection  with the management of the Trust.  The Trustees shall not in any way
be bound or  limited  by  present  or future  laws or customs in regard to Trust
investments,  but  shall  have  full  authority  and  power  to make any and all
investments which they, in their uncontrolled  discretion,  shall deem proper to
accomplish the purposes of this Trust.  Subject to any applicable  limitation in
this  Declaration  of Trust or in the By-Laws of the Trust,  the Trustees  shall
have power and authority:

                  (a) to adopt By-Laws not inconsistent with this Declaration of
Trust  providing  for the conduct of the  business of the Trust and to amend and
repeal  them  to  the  extent  that  they  do  not  reserve  that  right  to the
Shareholders;

                  (b)  to  elect  and  remove  such  officers  and  appoint  and
terminate such officers as they consider appropriate with or without cause;

                  (c) to  employ a bank or trust  company  as  custodian  of any
assets of the Trust subject to any conditions  set forth in this  Declaration of
Trust or in the By-Laws;

                  (d) to  retain a  transfer  agent  and  Shareholder  servicing
agent, or both;
                  (e) to provide for the distribution of Shares either through a
principal underwriter or the Trust itself or both;

                  (f) to set  record  dates in the  manner  provided  for in the
 By-Laws of the Trust;

                  (g) to delegate such  authority as they consider  desirable to
any officers of the Trust and to any agent, custodian or underwriter;

                  (h) to  vote  or  give  assent,  or  exercise  any  rights  of
ownership,  with respect to stock or other  securities or property held in Trust
hereunder;  and to execute  and  deliver  powers of  attorney  to such person or
persons as the Trustees  shall deem  proper,  granting to such person or persons
such power and  discretion  with  relation  to  securities  or  property  as the
Trustees shall deem proper;

                  (i) to exercise powers and rights of subscription or otherwise
which  in any  manner  arise  out of  ownership  of  securities  held  in  trust
hereunder;

                  (j) to hold any security or property in a form not  indicating
any trust,  whether in bearer,  unregistered or other negotiable form; or either
in its own name or in the name of a custodian or a nominee or nominees,  subject
in  either  case  to  proper  safeguards  according  to the  usual  practice  of
Massachusetts business trusts or investment companies;

                  (k)  to  consent  to  or  participate  in  any  plan  for  the
reorganization,  consolidation  or merger of any  corporation  or  concern,  any
security  of which is held in the  Trust;  to consent  to any  contract,  lease,
mortgage,  purchase or sale of property by such  corporation or concern,  and to
pay calls or subscriptions with respect to any security held in the Trust;

                  (l) to compromise,  arbitrate,  or otherwise  adjust claims in
favor of or against the Trust or any matter in  controversy  including,  but not
limited to, claims for taxes;

                  (m)  to  make,   in  the  manner   provided  in  the  By-Laws,
distributions of income and of capital gains to Shareholders;

                  (n) to borrow money to the extent and in the manner  permitted
by the 1940 Act and the Trust's  fundamental  policy thereunder as to borrowing;
and

                  (o) to enter into investment advisory or management contracts,
subject  to the  1940  Act,  with  any one or more  corporations,  partnerships,
trusts, associations or other persons; if the other party or parties to any such
contract are authorized to enter into  securities  transactions on behalf of the
Trust, such  transactions  shall be deemed to have been authorized by all of the
Trustees.

         5. No one dealing with the Trustees  shall be under any  obligation  to
make any inquiry  concerning  the  authority of the  Trustees,  or to see to the
application of any payments made or property transferred by the Trustees or upon
their order.

         6.  (a) The  Trustees  shall  have no  power  to bind  any  Shareholder
personally or to call upon any  Shareholder  for the payment of any sum of money
or  assessment  whatsoever  other than such as the  Shareholder  may at any time
personally agree to pay by way of subscription to any Shares or otherwise. 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 (but the omission of
such a recitation shall not operate to bind any Shareholder).

                  (b) Except as otherwise  provided in this Declaration of Trust
or the  By-Laws,  whenever  this  Declaration  of Trust calls for or permits any
action to be taken by the Trustees hereunder,  such action shall mean that taken
by the Board of Trustees by vote of the  majority of a quorum of Trustees as set
forth from time to time in the By-Laws of the Trust or as  required  pursuant to
the  provisions  of the  1940  Act and the  rules  and  regulations  promulgated
thereunder.

                  (c) The Trustees  shall  possess and exercise any and all such
additional  powers as are  reasonably  implied from the powers herein  contained
such as may be  necessary  or  convenient  in the  conduct  of any  business  or
enterprise of the Trust,  to do and perform  anything  necessary,  suitable,  or
proper for the  accomplishment of any of the purposes,  or the attainment of any
one or more of the objects, herein enumerated, or which shall at any time appear
conducive to or expedient for the protection or benefit of the Trust,  and to do
and perform all other acts or things  necessary  or  incidental  to the purposes
herein before set forth, or that may be deemed necessary by the Trustees.

                  (d)  The   Trustees   shall   have  the  power  to   determine
conclusively  whether any moneys,  securities,  or other properties of the Trust
property  are, for the purposes of this Trust,  to be  considered  as capital or
income  and in what  manner any  expenses  or  disbursements  are to be borne as
between  capital and income whether or not in the absence of this provision such
moneys,  securities,  or other properties would be regarded as capital or income
and  whether  or  not  in  the  absence  of  this  provision  such  expenses  or
disbursements would ordinarily be charged to capital or to income.

         7. The By-Laws of the Trust may divide the  Trustees  into  classes and
prescribe  the tenure of office of the  several  classes,  but no class shall be
elected for a period  shorter than that from the time of the election  following
the division into classes until the next meeting of Shareholders.

         8. The  Shareholders  shall  have the  right to  inspect  the  records,
documents, accounts and books of the Trust, subject to reasonable regulations of
the  Trustees,  not  contrary  to  Massachusetts  law, as to whether and to what
extent, and at what times and places, and under what conditions and regulations,
such right shall be exercised.

         9. Any Trustee,  or any officer elected or appointed by the Trustees or
by any committee of the Trustees or by the  Shareholders  or  otherwise,  may be
removed at any time,  with or without  cause,  in such  lawful  manner as may be
provided in the By-Laws of the Trust.

         10. If the By-Laws so provide,  the  Trustees  shall have power to hold
their meetings,  to have an office or offices and,  subject to the provisions of
the laws of  Massachusetts,  to keep  the  books of the  Trust  outside  of said
Commonwealth at such places as may from time to time be designated by them.

         11.  Securities  held by the Trust shall be voted in person or by proxy
by the President or a  Vice-President,  or such officer or officers of the Trust
as the  Trustees  shall  designate  for the  purpose,  or by a proxy or  proxies
thereunto duly authorized by the Trustees,  except as otherwise  ordered by vote
of the holders of a majority of the Shares  outstanding  and entitled to vote in
respect thereto.

         12. (a) Subject to the provisions of the 1940 Act, any Trustee, officer
or employee,  individually,  or any partnership of which any Trustee, officer or
employee  may be a  member,  or any  corporation  or  association  of which  any
Trustee, officer or employee may be an officer,  director,  trustee, employee or
stockholder,  may be a party to, or may be pecuniarily  or otherwise  interested
in, any  contract or  transaction  of the Trust,  and in the absence of fraud no
contract or other transaction shall be thereby affected or invalidated; provided
that in case a Trustee, or a partnership,  corporation or association of which a
Trustee is a member, officer,  director,  trustee, employee or stockholder is so
interested,  such  fact  shall be  disclosed  or shall  have  been  known to the
Trustees or a majority thereof; and any Trustee who is so interested,  or who is
also a  director,  officer,  trustee,  employee  or  stockholder  of such  other
corporation or association or a member of such other  corporation or association
or a member  of such  partnership  which is so  interested,  may be  counted  in
determining the existence of a quorum at any meeting of the Trustees which shall
authorize  any such contract or  transaction,  and may vote thereat to authorize
any such contract or  transaction,  with like force and effect as if he were not
such director,  officer, trustee, employee or stockholder of such other trust or
corporation or association or a member of a partnership so interested.

                  (b) Specifically, but without limitation of the foregoing, the
Trust  may  enter  into  a  management  or  investment   advisory   contract  or
underwriting  contract and other  contracts  with, and may otherwise do business
with any manager or  investment  adviser  and/or any  sub-adviser  for the Trust
and/or  principal  underwriter  of the Shares of the Trust or any  subsidiary or
affiliate of any such manager or investment  adviser and/or  sub-adviser  and/or
principal  underwriter and may permit any such firm or corporation to enter into
any contracts or other arrangements with any other firm or corporation  relating
to the Trust notwithstanding that the Board of the Trust may be composed in part
of partners,  directors, officers or employees of any such firm or corporations,
and officers of the Trust may have been or may be or become partners, directors,
officers or  employees  of any such firm or  corporation,  and in the absence of
fraud  the  Trust and any such firm or  corporation  may deal  freely  with each
other,  and no such contract or transaction  between the Trust and any such firm
or corporation  shall be invalidated or in any way affected  thereby,  nor shall
any Trustee or officer of the Trust be liable to the Trust or to any Shareholder
or creditor  thereof or to any other  person for any loss  incurred by it or him
solely  because of the existence of any such contract or  transaction;  provided
that nothing  herein shall  protect any Trustee or officer of the Trust  against
any  liability  to the  Trust  or to its  security  holders  to  which  he would
otherwise  be  subject  by reason  or  willful  misfeasance,  bad  faith,  gross
negligence  or reckless  disregard of the duties  involved in the conduct of his
office.

                  (c) (1) As used in this  paragraph the  following  terms shall
have the meanings set forth below:

                       (i) the  term  "indemnitee"  shall  mean any  present  or
                           former Trustee, officer or employee of the Trust, any
                           present or former Trustee or officer of another trust
                           or corporation  whose securities are or were owned by
                           the Trust or of which the Trust is or was a  creditor
                           and who  served  or serves  in such  capacity  at the
                           request   of  the  Trust,   any   present  or  former
                           investment   adviser,    sub-adviser   or   principal
                           underwriter  of the Trust and the  heirs,  executors,
                           administrators,  successors and assigns of any of the
                           foregoing; however, whenever conduct by an indemnitee
                           is  referred  to,  the  conduct  shall be that of the
                           original  indemnitee  rather  than  that of the heir,
                           executor, administrator, successor or assignee;

                      (ii) the  term   "covered   proceeding"   shall  mean  any
                           threatened,  pending  or  completed  action,  suit or
                           proceeding,  whether civil, criminal,  administrative
                           or investigative,  to which an indemnitee is or was a
                           party or is  threatened  to be made a party by reason
                           of the  fact  or  facts  under  which  he or it is an
                           indemnitee as defined above;

                     (iii) the term  "disabling  conduct"  shall mean  willful
                           misfeasance,  bad faith, gross negligence or reckless
                           disregard  of the duties  involved  in the conduct of
                           the office in question;

                      (iv) the  term  "covered   expense"  shall  mean  expenses
                           (including  attorney's  fees),  judgments,  fines and
                           amounts paid in  settlement  actually and  reasonably
                           incurred  by  an  indemnitee  in  connection  with  a
                           covered proceeding; and

                       (v) the term  "adjudication  of liability" shall mean, as
                           to any covered  proceeding and as to any  indemnitee,
                           an adverse determination as to the indemnitee whether
                           by judgment, order, settlement,  conviction or upon a
                           plea of nolo contendere or its equivalent.

                  (d)  The Trust  shall not  indemnify  any  indemnitee  for any
covered expenses in any covered  proceeding if there has been an adjudication of
liability  against  such  indemnitee  expressly  based on a finding of disabling
conduct.

                  (e)  Except  as  set  forth  in (d)  above,  the  Trust  shall
indemnify any indemnitee for covered expenses in any covered proceeding, whether
or not there is an adjudication of liability, upon request of the indemnitee for
such indemnification.

                  (f) Covered  expenses  incurred by an indemnitee in connection
with a covered  proceeding shall be advanced by the Trust to an indemnitee prior
to the  final  disposition  of a  covered  proceeding  upon the  request  of the
indemnitee  and the  undertaking  by or on behalf of the indemnitee to repay the
advance  if  the  indemnitee   shall  be  adjudicated  to  not  be  entitled  to
indemnification under this Article or otherwise under the 1940 Act.

                  (g) Nothing  herein shall be deemed to affect the right of the
Trust and/or any indemnitee to acquire and pay for any insurance covering any or
all  indemnitees to the extent  permitted by the 1940 Act or to affect any other
indemnification  rights to which any  indemnitee  may be  entitled to the extent
permitted by the 1940 Act.

         13. (a) The term "Net Asset Value" of any Series shall mean that amount
by which the assets of that series exceed its liabilities,  all as determined by
or under the  direction  of the  Trustees.  Net Asset  Value per Share  shall be
determined  separately for each Series of Shares and shall be determined on such
days and at such times as the Trustees may determine.  Such determination may be
made on a Series-by-Series  or Class-by-Class  basis, as appropriate,  and shall
include any expenses  allocated to a specific Series or Class. The determination
shall be made with respect to securities for which market quotations are readily
available  at the market  value of such  securities;  and with  respect to other
securities  and  assets,  at the fair value as  determined  in good faith by the
Trustees,  provided,  however, that the Trustees,  without Shareholder approval,
may alter the method of  appraising  portfolio  securities  insofar as permitted
under  the 1940  Act and the  rules,  regulations  and  interpretations  thereof
promulgated  or issued by the Commission or insofar as permitted by any order of
the Commission  applicable to the Series. The Trustees may delegate any of their
powers and duties  under this  paragraph  13 with respect to appraisal of assets
and  liabilities.  At any time the  Trustees  may cause the Net Asset  Value per
Share last determined to be determined again in a similar manner and may fix the
time when such redetermined values shall become effective.

                  (b)  Payment  of the net  asset  value of  Shares of the Trust
properly  surrendered  to it for  redemption  shall be made by the Trust  within
seven days after  tender of such Shares to the Trust for such  purpose  plus any
period of time during  which the right of the holders of the shares of the Trust
to require the Trust to redeem such shares has been suspended.  Any such payment
may be made in portfolio securities of the Trust and/or in cash, as the Trustees
shall deem  advisable,  and no  Shareholder  shall  have a right,  other than as
determined by the Trustees, to have his Shares redeemed in kind.

         EIGHTH:

         1. In case any  Shareholder or former  Shareholder  shall be held to be
personally liable solely by reason of his being or having been a Shareholder and
not because of his acts or omissions or for some other reason,  the  Shareholder
or former  Shareholder (or his heirs,  executors,  administrators or other legal
representatives  or in the case of a corporation or other entity,  its corporate
or other general successor) shall be entitled out of the Trust estate to be held
harmless  from and  indemnified  against all loss and expense  arising from such
liability. This Trust shall, upon request by the Shareholder, assume the defense
of any claim made against any Shareholder for any act or obligation of the Trust
and satisfy any judgment thereon.

         2. It is hereby  expressly  declared that a trust and not a partnership
is created hereby.  No Trustee hereunder shall have any power to bind personally
either the Trust's officers or any Shareholder. 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. Nothing in
this Declaration of Trust shall protect a Trustee against any liability to which
such Trustee would  otherwise be subject by reason of willful  misfeasance,  bad
faith,  gross  negligence  or reckless  disregard of the duties  involved in the
conduct of the office of Trustee hereunder.

         3.  The  exercise  by the  Trustees  of  their  powers  and  discretion
hereunder in good faith and with  reasonable care under the  circumstances  then
prevailing, shall be binding upon everyone interested. Subject to the provisions
of paragraph 2 of this  Article  EIGHTH,  the  Trustees  shall not be liable for
errors of judgment or mistakes of fact or law.  The  Trustees may take advice of
counsel or other  experts  with  respect to the  meaning and  operation  of this
Declaration  of Trust,  and the subject to the provisions of paragraph 2 of this
Article  EIGHTH,  shall  be  under  no  liability  for  any act or  omission  in
accordance  with such advice or for failing to follow such advice.  The Trustees
shall  not be  required  to give any bond as such,  nor any  surety if a bond is
required.

         4. This Trust shall continue without  limitation of time but subject to
the provisions of sub-sections (a), (b) and (c) of this paragraph 4.

         (a) The Trustees,  with the favorable  vote of the holders of more than
50% of the outstanding Shares entitled to vote may sell and convey the assets of
the Trust (which sale may be subject to the  retention of assets for the payment
of liabilities and expenses) to another issuer for a consideration  which may be
or include  securities of such issuer.  Upon making provision for the payment of
liabilities,  by  assumption  by such issuer or  otherwise,  the Trustees  shall
distribute the remaining proceeds ratably among the holders of the Shares of the
Trust then outstanding.

         (b) The Trustees,  with the favorable  vote of the holders of more than
50% of the outstanding Shares entitled to vote, may at any time sell and convert
into money all the assets of the Trust. Upon making provision for the payment of
all outstanding obligations, taxes and other liabilities, accrued or contingent,
of the Trust,  the Trustees shall  distribute the remaining  assets of the Trust
ratably among the holders of the outstanding Shares.

         (c) Upon completion or the  distribution  of the remaining  proceeds or
the remaining  assets as provided in  sub-sections  (a) and (b), the Trust shall
terminate  and  the  Trustees  shall  be  discharged  of  any  and  all  further
liabilities  and duties  hereunder  and the  right,  title and  interest  of all
parties shall be canceled and discharged.

         5. The original or a copy of this instrument and of each declaration of
trust supplemental  hereto shall be kept at the office of the Trust where it may
be  inspected  by any  Shareholder.  A  copy  of  this  instrument  and of  each
Supplemental  Declaration  of  Trust  shall  be  filed  with  the  Massachusetts
Secretary of State, as well as any other  governmental  office where such filing
may from time to time be required.  Anyone  dealing with the Trust may rely on a
certificate  by an  officer  of  the  Trust  as  to  whether  or  not  any  such
Supplemental  Declarations  of Trust  have  been made and as to any  matters  in
connection with the Trust hereunder,  and with the same effect as if it were the
original,  may rely on a copy  certified by an officer of the Trust to be a copy
of this  instrument or of any such  Supplemental  Declaration of Trust.  In this
instrument or in any such Supplemental  Declaration of Trust, references to this
instrument, and all expressions like "herein," "hereof" and "hereunder" shall be
deemed  to  refer  to  this  instrument  as  amended  or  affected  by any  such
Supplemental Declaration of Trust. This instrument may be executed in any number
of counterparts, each of which shall be deemed an original.

         6. The trust set forth in this instrument is created under and is to be
governed  by  and  construed  and  administered  according  to the  laws  of the
Commonwealth of Massachusetts.  The Trust shall be of the type commonly called a
Massachusetts  business trust, and without limiting the provisions  hereof,  the
Trust may exercise all powers which are ordinarily exercised by such a trust.

         7. The Board of Trustees is  empowered to cause the  redemption  of the
Shares  held in any  account in the  aggregate  net asset  value of such  Shares
(taken at cost or value,  as  determined  by the  Board)  has been  reduced by a
Shareholder  to $500 or less upon such notice to the  Shareholders  in question,
with such  permission to increase the investment in question and upon such other
terms and conditions as may be fixed by the Board of Trustees in accordance with
the 1940 Act.

         8. In the event that any person advances the organizational expenses of
the Trust, such advances shall become an obligation of the Trust subject to such
terms and  conditions  as may be fixed by, and on a date fixed by, or determined
in accordance with criteria fixed by the Board of Trustees, to be amortized over
a period or periods to be fixed by the Board.

         9. Whenever any action is taken under this  Declaration  of Trust under
any authorization to take action which is permitted by the 1940 Act, such action
shall be deemed to have been properly taken if such action is in accordance with
the  construction  of the 1940 Act then in effect as  expressed  in "no  action"
letters of the staff of the Commission or any release, rule, regulation or order
under  the  1940  Act or any  decision  of a court  of  competent  jurisdiction,
notwithstanding  that any of the foregoing shall later be found to be invalid or
otherwise reversed or modified by any of the foregoing.

         10. Any action  which may be taken by the Board of Trustees  under this
Declaration of Trust or its By-Laws may be taken by the  description  thereof in
the then effective prospectus or Statement of Additional Information relating to
the Shares  under the  Securities  Act of 1933 or in any proxy  statement of the
Trust rather than by formal resolution of the Board.

         11. Whenever under this  Declaration of Trust, the Board of Trustees is
permitted  or required to place a value on assets of the Trust,  such action may
be  delegated  by the Board,  and/or  determined  in  accordance  with a formula
determined by the Board, to the extent permitted by the 1940 Act.

         12. If authorized by the vote of the Trustees, the Trustees shall amend
or  otherwise  supplement  this  instrument,  by making a  Declaration  of Trust
supplemental  hereto,  which  thereafter  shall  form a part  hereof;  any  such
Supplemental  Declaration of Trust may be executed by and on behalf of the Trust
and the Trustees by any officer or officers of the Trust. A restated Declaration
of Trust,  integrating  into an single  instrument  all of the provisions of the
Declaration  of Trust  which are then in effect and  operative,  may be executed
from time to time by a majority of the Trustees.  Notwithstanding  the forgoing,
no amendment  that would have a material  adverse  impact upon the rights of the
shareholders  may be made without the favorable vote of the holders of more than
50% of the outstanding  Shares entitled to vote, or by any larger vote which may
be required by applicable law in a particular case.

         NINTH:  The  resident  agent  for  the  Fund   in the  Commonwealth  of
Massachusetts  shall be: The United States  Corporation  Company,  P.O. Box 591,
Wilmington, DE 19899-0591.

<PAGE>


         IN WITNESS WHEREOF,  the undersigned,  being all of the Trustees of the
Trust,  have executed this Amended and Restated  Declaration  of Trust as of the
30th day of March 1998.



- ------------------------------------        ---------------------------------
Jerome L. Dodson                            David L. Gibson

- ------------------------------------        ---------------------------------
Gail L. Horvath                             Herbert A. Houston

- ------------------------------------        ---------------------------------
Cecilia C.M. Lee                            Leo T. McCarthy

- ------------------------------------        ---------------------------------
Donald E. O'Connor                          Howard M. Sharpiro

- ------------------------------------
Joan Shapiro





<PAGE>
                                                                      EXHIBIT 2

                THE PARNASSUS FUND and THE PARNASSUS INCOME TRUST

                                RESTATED BY-LAWS

                              As of March 27, 1998

                                    ARTICLE I
                                  SHAREHOLDERS

         Section 1. Place of Meeting.  All meetings of the  Shareholders  (which
term as used  herein  shall,  together  with  all  other  terms  defined  in the
Declaration  of Trust,  have the same  meaning as in the  Declaration  of Trust)
shall be held at the principal office of the Trust or at such other place as may
from time to time be  designated  by the  Board of  Trustees  and  stated in the
notice of meeting.

         Section 2. Calling of Meetings.  Meetings of the  Shareholders  for any
purpose or purposes  (including  the election of Trustees)  may be called by the
Chairman of the Board of Trustees,  if any, or by the  President or by the Board
of Trustees and shall be called by the Secretary  upon receipt of the request in
writing signed by Shareholders  holding not less than one-third in amount of the
entire  number of Shares  issued and  outstanding  and entitled to vote thereat.
Such request shall state the purpose or purposes of the proposed meeting.

         Section  3.  Notice of  Meetings.  Not less than ten days' and not more
than ninety days' written or printed  notice of every  meeting of  Shareholders,
stating  the time and place  thereof  (and the  general  nature of the  business
proposed to be transacted  at any special or  extraordinary  meeting),  shall be
given to each Shareholder  entitled to vote thereat by leaving the same with him
or at his residence or usual place of business or by mailing it, postage prepaid
and addressed to him at his address as it appears upon the books of the Trust.

         No notice of the time,  place or purpose of any meeting of Shareholders
need be given to any  Shareholder  who  attends  in person or by proxy or to any
Shareholder  who, in writing executed and filed with the records of the meeting,
either before or after the holding thereof, waives such notice.

         Section 4. Record Dates.  The Board of Trustees may fix, in advance,  a
date, not exceeding ninety days and not less than ten days preceding the date of
any  meeting of  Shareholders,  and not  exceeding  ninety  days  preceding  any
dividend payment date or any date for the allotment of rights,  as a record date
for the determination of the Shareholders  entitled to receive such dividends or
rights,  as the case may be; and only  Shareholders of record on such date shall
be  entitled  to  notice  of and to vote  at such  meeting  or to  receive  such
dividends or rights, as the case may be.

         Section 5. Quorum,  Adjournment of Meetings.  The presence in person or
by proxy of the holders of record of one-third of the Shares of the stock of the
Trust issued and  outstanding and entitled to vote thereat,  shall  constitute a
quorum  at  all  meetings  of  the  Shareholders.  If  at  any  meeting  of  the
Shareholders there shall be less than a quorum present, the Shareholders present
at such meeting may, without further notice,  adjourn the same from time to time
until a quorum shall  attend,  but no business  shall be  transacted at any such
adjourned  meeting  except such as might have been lawfully  transacted  had the
meeting not been adjourned.

         Section 6. Voting and Inspectors. At all meetings of Shareholders every
Shareholder of record entitled to vote thereat shall be entitled to vote at such
meeting  either  in  person  or by proxy  appointed  by  instrument  in  writing
subscribed by such Shareholder or his duly authorized attorney-in-fact.

         All elections of Trustees shall be had by a plurality of the votes cast
and all questions shall be decided by a majority of the votes cast, in each case
at a duly constituted  meeting,  except as otherwise provided in the Declaration
of Trust or in these By-Laws or by specific statutory provision  superseding the
restrictions  and limitations  contained in the Declaration of Trust or in these
By-Laws.

         At any election of Trustees,  the Board of Trustees  prior thereto may,
or, if they have not so acted,  the  Chairman of the meeting  may,  and upon the
request of the holders of ten per cent (1 0%) of the Shares  entitled to vote at
such  election  shall,  appoint  two  inspectors  of  election  who shall  first
subscribe an oath of affirmation to execute  faithfully the duties of inspectors
at such  election  with strict  impartiality  and according to the best of their
ability,  and shall after the election make a  certificate  of the result of the
vote taken.  No  candidate  for the office of Trustee  shall be  appointed  such
inspector.

         The Chairman of the meeting may cause a vote by ballot to be taken upon
any  election  or matter,  and such vote shall be taken upon the  request of the
holders of ten per cent (10%) of the Shares entitled to vote on such election or
matter.

         Section 7.  Conduct of  Shareholders'  Meetings.  The  meetings  of the
Shareholders shall be presided over by the Chairman of the Board of Trustees, if
any,  or if he shall not be  present,  by the  President,  or if he shall not be
present,  by a  Vice-President,  or if  neither  the  Chairman  of the  Board of
Trustees,  the President nor any Vice-President is present,  by a chairman to be
elected at the meeting.  The  Secretary of the Trust,  if present,  shall act as
Secretary  of such  meetings,  or if he is not present,  an Assistant  Secretary
shall so act; if neither the  Secretary  nor an Assistant  Secretary is present,
then the meeting shall elect its secretary.

         Section 8.  Concerning  Validity  of  Proxies,  Ballots,  Etc. At every
meeting of the  Shareholders,  all proxies shall be received and taken in charge
of and all ballots  shall be received  and  canvassed  by the  secretary  of the
meeting,  who shall decide all questions  touching the  qualification of voters,
the validity of the proxies,  and the  acceptance or rejection of votes,  unless
inspectors  of election  shall have been  appointed as provided in Section 6, in
which event such inspectors of election shall decide all such questions.


                                   ARTICLE II
                                BOARD OF TRUSTEES

         Section 1. Number of Tenure of Office. The business and property of the
Trust shall be conducted  and managed by a Board of Trustees  consisting of nine
(9) persons, which number may be increased or decreased as provided in Section 2
of this Article.  The Board of Trustees may sit and alter the terms of office of
the  Trustees,  may  lengthen  or lessen  their own terms or make their terms of
indefinite  duration,  all  subject  to  the  1940  Act.  Trustees  need  not be
Shareholders. No one shall continue to serve as an independent Trustee after the
end of the calendar year in which that person  achieves the age of  seventy-five
(75).

         Section 2.  Increase or Decrease in Number of  Trustees;  Removal.  The
Board of Trustees may increase the number of Trustees to a number not  exceeding
fifteen,  and may  elect  Trustees  to fill the  vacancies  created  by any such
increase in the number of Trustees;  the Board of Trustees may likewise decrease
the number of  Trustees  to a number not less than  three.  Vacancies  occurring
other  than by reason of any such  increase  shall be filled as  provided  for a
Massachusetts  business corporation.  In the event that after proxy material has
been printed for a meeting of  Shareholders  at which Trustees are to be elected
any  one  or  more  management  nominees  dies  or  becomes  incapacitated,  the
authorized  number of Trustees shall be  automatically  reduced by the number of
such nominees, unless the Board of Trustees prior to the meeting shall otherwise
determine.  Any Trustee at any time may be removed  either with or without cause
by  resolution  duly  adopted  by the  affirmative  votes of the  holders of the
majority of the Shares of the Trust present in person or by proxy at any meeting
of  Shareholders  at which  such  vote may be taken,  provided  that a quorum is
present,  or by such larger vote as may be required by  Massachusetts  law.  Any
Trustee at any time may be removed for cause by  resolution  duly adopted at any
meeting of the Board of Trustees  provided  that notice  thereof is contained in
the notice of such meeting and that such resolution is adopted by the vote of at
least two thirds of the Trustees whose removal is not proposed.  As used herein,
"for cause" shall mean any cause which under  Massachusetts law would permit the
removal of a Trustee of a business trust.

         Section 3. Place of Meeting. The Trustees may hold their meetings, have
one or more offices, and keep the books of the Trust outside  Massachusetts,  at
any office or  offices of the Trust or at any other  place as they may from time
to time by resolution  determine,  or, in the case of meetings, as they may from
time to time by  resolution  determine  or as shall be specified or fixed in the
respective notices or waivers of notice thereof.

         Section 4. Regular Meetings.  Regular meetings of the Board of Trustees
shall be held at such time and on such notice,  if any, as the Trustees may from
time to time determine.

         Section 5. Special Meetings.  Special meetings of the Board of Trustees
may be held  from  time to  time  upon  call of the  Chairman  of the  Board  of
Trustees,  if any,  the  President  or two or more of the  Trustees,  by oral or
telegraphic  or written  notice duly served on or sent or mailed to each Trustee
not less  than one day  before  such  meeting.  No  notice  need be given to any
Trustee  who attends in person or to any Trustee  who, in writing  executed  and
filed  with the  records  of the  meeting  either  before or after  the  holding
thereof,  waives such notice. Such notice or waiver of notice need not state the
purpose or purposes of such meeting.

         Section 6.  Quorum.  One-third  of the  Trustees  then in office  shall
constitute  a quorum for the  transaction  of business,  provided  that a quorum
shall in no case be less than two Trustees. If at any meeting of the Board there
shall be less than a quorum present (in person or by open telephone line, to the
extent  permitted by the 1940 Act), a majority of those  present may adjourn the
meeting  from time to time until a quorum shall have been  obtained.  The act of
the majority of the  Trustees  present at any meeting at which there is a quorum
shall be the act of the Board, except as may be otherwise  specifically provided
by statute, by the Declaration of Trust or by these By-Laws.

         Section 7.  Executive  Committee.  The Board of  Trustees  may,  by the
affirmative  vote of a majority of the entire Board,  elect from the Trustees an
Executive  Committee to consist of such number of Trustees as the Board may from
time to time  determine.  The Board of Trustees by such  affirmative  vote shall
have power at any time to change  the  members  of such  Committee  and may fill
vacancies in the  Committee  by election  from the  Trustees.  When the Board of
Trustees is not in session,  the Executive Committee shall have and may exercise
any or all of the  powers  of the Board of  Trustees  in the  management  of the
business and affairs of the Trust  (including the power to authorize the seal of
the Trust to be affixed to all papers  which may  require it) except as provided
by law and  except  the  power to  increase  or  decrease  the size of,  or fill
vacancies  on the  Board.  The  Executive  Committee  may fix its own  rules  of
procedure,  and may meet, when and as provided by such rules or by resolution of
the Board of  Trustees,  but in every case the  presence of a majority  shall be
necessary to constitute a quorum.  In the absence of any member of the Executive
Committee  the  members  thereof  present  at any  meeting,  whether or not they
constitute a quorum, may appoint a member of the Board of Trustees to act in the
place of such absent member.
         Section 8. Other Committees.  The Board of Trustees, by the affirmative
vote of a majority of the entire Board, may appoint other committees which shall
in each case  consist of such number of members and shall have and may  exercise
such powers as the Board may  determine  in the  resolution  appointing  them. A
majority of all members of any such committee may determine its action,  and fix
the time and place of its meetings, unless the Board of Trustees shall otherwise
provide.  The Board of  Trustees  shall  have  power at any time to  change  the
members and powers of any such committee,  to fill  vacancies,  and to discharge
any such committee.

         Section 9. Informal  Action by and  Telephone  Meetings of Trustees and
Committees.  Any action  required or permitted to be taken at any meeting of the
Board of Trustees or any committee thereof may be taken without a meeting,  if a
written consent to such action is signed by all members of the Board, or of such
committee,  as the case may be.  Trustees or members of a committee of the Board
of Trustees may  participate in a meeting by means of a conference  telephone or
similar communications  equipment; such participation shall, except as otherwise
required by the 1940 Act, have the same effect as presence in person.

         Section 10.  Compensation  of Trustees.  Trustees  shall be entitled to
receive such  compensation from the Trust for their services as may from time to
time be voted by the Board of Trustees.

         Section 11. Dividends. Dividends or distributions payable on the Shares
may, but need not be,  declared by specific  resolution  of the Board as to each
dividend or distribution;  in lieu of such specific resolutions,  the Board may,
by general resolution,  determine the method of computation  thereof, the method
of  determining  the  Shareholders  to which they are payable and the methods of
determining  whether and to which Shareholders they are to be paid in cash or in
additional Shares.


                                   ARTICLE III
                                    OFFICERS

         Section 1.  Executive  Officers.  The  executive  officers of the Trust
shall be chosen by the Board of  Trustees.  These may  include a Chairman of the
Board of Trustees,  and shall include a President,  a Secretary and a Treasurer.
The Chairman of the Board of Trustees,  if any, shall be selected from among the
Trustees.  The Board of Trustees may also in its discretion  appoint one or more
Vice-Presidents,   Assistant  Secretaries,  Assistant  Treasurers,  (the  number
thereof to be determined by the Board of Trustees)  and other  officers,  agents
and  employees,  who shall have such  authority  and perform  such duties as the
Board or the Executive  Committee may determine.  The Board of Trustees may fill
any vacancy  which may occur in any office.  Any two  offices,  except  those of
President  and  Vice-President,  may be held by the same person,  but no officer
shall  execute,  acknowledge or verify any instrument in more than one capacity,
if such  instrument  is  required  by law or by these  By-Laws  to be  executed,
acknowledged or verified by two or more officers.

         Section 2. Term of Office.  The term of office of all officers shall be
as fixed by the Board of  Trustees;  however,  any officer  may be removed  from
office at any time with or without cause by the vote of a majority of the entire
Board of Trustees.

         Section 3. Powers and Duties. The officers of the Trust shall have such
powers and duties as generally pertain to their respective  offices,  as well as
such  posers  and duties as may from time to time be  conferred  by the Board of
Trustees or the Executive Committee.


                                   ARTICLE IV
                                 INDEMNIFICATION

         Section 1.  Definitions.  As used in this Article the  following  terms
shall have the meanings set forth below:

                  (a) The term  "indemnitee"  shall  mean any  present or former
Trustee,  officer or  employee  of the Fund,  any  present or former  Trustee or
officer of another trust or  corporation  whose  securities are or were owned by
the Fund or of which the Fund is or was a  creditor  and who served or serves in
such  capacity  at the  request of the Fund,  any  present or former  investment
adviser,  sub-adviser  or  principal  underwriter  of the  Fund  and the  heirs,
executors,  administrators,  successors  and  assigns  of any of the  foregoing;
however, whenever conduct by an indemnitee is referred to, the conduct, shall be
that  of the  original  indemnitee  rather  than  that  of the  heir,  executor,
administrator, successor or assignee.

                  (b) The term "covered  proceeding"  shall mean any threatened,
pending or  completed  action,  suit or  proceeding,  whether  civil,  criminal,
administrative or investigative,  to which an indemnitee is or was a party or is
threatened to be made a party by reason of the fact or facts under which he, she
or it is an indemnitee as defined above.

                  (c)  The  term   "disabling   conduct"   shall  mean   willful
misfeasance,  bad faith,  gross  negligence or reckless  disregard of the duties
involved in the conduct of the office in question.

                  (d) The term "covered expenses" shall mean expenses (including
attorney's fees),  judgments,  fines and amounts paid in settlement actually and
reasonably incurred by an indemnitee in connection with a covered proceeding.

                  (e) The term "adjudication of liability" shall mean, as to any
covered proceeding and as to any indemnitee,  an adverse determination as to the
indemnitee whether by judgment, order, settlement,  conviction or upon a plea of
nolo contendere or its equivalent.

         Section 2. Discretionary  Advancement of Expenses. The Fund may advance
to an  indemnitee,  prior to the  final  disposition  of a  covered  proceeding,
covered  expenses  incurred by the  indemnitee  in  connection  with the covered
proceeding if the Fund receives an undertaking by or on behalf of the indemnitee
to repay the advance in the event there is an adjudication of liability  against
the  indemnitee  expressly  based  on  a  finding  of  disabling  conduct.  Such
undertaking  may be accepted by the Fund at any time prior to such  adjudication
and  without  reference  to the  financial  ability  of the  indemnitee  to make
repayment.

         Section 3. Other Rights.  Nothing  herein shall be deemed to affect the
right of the Fund and/or any  indemnitee  to acquire  and pay for any  insurance
covering any or all  indemnitees  to the extent  permitted by the 1940 Act or to
affect any other indemnification  rights to which any indemnitee may be entitled
to the extent permitted by the 1940 Act.


                                    ARTICLE V
                                     SHARES

         Section 1. Certificates of Shares. Each Shareholder of the Trust may be
issued a certificate or certificates for his Shares in such form as the Board of
Trustees may from time to time  prescribe,  but only if and to the extent and on
the conditions prescribed by the Board.

         Section 2.  Transfer of Shares.  Shares  shall be  transferable  on the
books of the Trust by the  holder  thereof  in person or by his duly  authorized
attorney  or  legal   representative,   upon  surrender  and   cancellation   of
certificates,  if  any,  for  the  same  number  of  Shares,  duly  endorsed  or
accompanied by proper instruments of assignment and transfer, with such proof of
the  authenticity  of the  signature  as the Trust or its  agent may  reasonably
require;  in the case of shares not  represented  by  certificates,  the same or
similar requirements may be imposed by the Board of Trustees.

         Section 3. Stock  Ledgers.  The stock ledgers of the Trust,  containing
the name and address of the  Shareholders  and the number of shares held by them
respectively,  shall be kept at the  principal  offices  of the Trust or, if the
Trust  employs a transfer  agent,  at the offices of the  transfer  agent of the
Trust.

         Section  4.  Lost,  Stolen  or  Destroyed  Certificates.  The  Board of
Trustees may determine the conditions upon which a new certificate may be issued
in  place of a  certificate  which is  alleged  to have  been  lost,  stolen  or
destroyed;  and may, in their discretion,  require the owner of such certificate
or his legal  representative  to give bond, with sufficient  surety to the Trust
and the transfer  agent, if any, to indemnify it and such transfer agent against
any and all loss or  claims  which  may  arise by  reason  of the issue of a new
certificate in the place of the one so lost, stolen or destroyed.

                                   ARTICLE VI
                                      SEAL

         The Board of Trustees  shall provide a suitable  seal of the Trust,  in
such form and bearing such inscriptions as it may determine.


                                   ARTICLE VII
                                   FISCAL YEAR

         The fiscal year of the Trust shall be fixed by the Board of Trustees.


                                  ARTICLE VIII
                              AMENDMENT OF BY-LAWS

         The By-Laws of the Trust may be altered,  amended, added to or repealed
by the Shareholders or by majority vote of the entire Board of Trustees, but any
such alteration,  amendment,  addition or repeal of the By-Laws by action of the
Board of Trustees may be altered or repealed by the Shareholders.


<PAGE>



                                                                      EXHIBIT 5


                               THE PARNASSUS FUND
                          INVESTMENT ADVISORY AGREEMENT


         AGREEMENT  made  this  27th day of  March,  1998,  by and  between  THE
PARNASSUS  FUND (the "Fund"),  a  Massachusetts  business  trust,  and PARNASSUS
INVESTMENTS (the "Adviser").

                              W I T N E SS E T H :

         In consideration of the mutual promises and agreements herein contained
and  other  good and  valuable  consideration,  the  receipt  of which is hereby
acknowledged, it is hereby agreed by and between the parties hereto as follows:

     1.  In General
         ----------
              The Adviser agrees,  all as more fully set forth herein, to act as
         managerial   investment  adviser  to  the  Fund  with  respect  to  the
         investment  of its assets and to supervise and arrange the purchase and
         sale of  securities  held in the  portfolio  of the Fund and  generally
         administer the affairs of the Fund.

     2. Duties and  Obligation  of the Adviser with respect to Management of the
        ------------------------------------------------------------------------
        Fund
        ----
         (a)      Subject  to the  succeeding  provisions  of this  section  and
                  subject to the  direction and control of the Board of Trustees
                  of the Fund, the Adviser shall:

                  (i) Decide what  securities  shall be purchased or sold by the
                      Fund and when; and

                  (ii)Arrange for the purchase and the sale of  securities  held
                      in the portfolio of the Fund by placing  purchase and sale
                      orders for the Fund.

         (b)      Any investment purchases or sales made by the Adviser shall at
                  all  times  conform  to,  and  be  in  accordance   with,  any
                  requirements  imposed by: (1) the provisions of the Investment
                  Company   Act  of  1940  (the  "Act")  and  of  any  rules  or
                  regulations  in force  thereunder;  (2) any  other  applicable
                  provisions of law; (3) the  provisions of the  Declaration  of
                  Trust and  By-Laws of the Fund as  amended  from time to time;
                  (5) any  policies  and  fundamental  policies of the Fund,  as
                  reflected in its  registration  statement under the Act, or as
                  amended by the shareholders of the Fund.

         (c)      The Adviser shall also administer the affairs of the Fund and,
                  in  connection   therewith,   shall  be  responsible  for  (i)
                  maintaining the Fund's books and records (other than financial
                  or accounting  books and records or those being  maintained by
                  the Fund's  custodian,  transfer agent or accounting  services
                  agent); (ii) overseeing the Fund's insurance relationships;

                      The  Adviser  shall give the Fund the  benefit of its best
                  judgement and effort in rendering services thereunder, but the
                  Adviser  shall not be liable for any loss  sustained by reason
                  of the purchase, sale or retention of any security, whether or
                  not such  purchase,  sale or  retention  shall have been based
                  upon its own investigation and research or upon  investigation
                  and   research   made  by  any  other   individual,   firm  or
                  corporation,  if such purchase,  sale or retention  shall have
                  been made and such other individual, firm or corporation shall
                  have been selected in good faith.  Nothing  contained  therein
                  shall,  however,  be construed to protect the Adviser  against
                  any liability to the Fund or its security holders by reason of
                  willful  misfeasance,  bad  faith or gross  negligence  in the
                  performance  of its  duties,  or by  reason  of  its  reckless
                  disregard of its obligations and duties under this Agreement.

                      The Fund agrees that the word  "Parnassus"  in its name is
                  derived  from the name of the Adviser  and is the  property of
                  the Adviser for  copyright  and all other  purposes  and that,
                  therefore,  such word may be freely  used by the Adviser as to
                  other investment companies or other investment  products.  The
                  Fund further agrees that, in the event that the Adviser ceases
                  to be the Fund's investment  adviser for any reason,  the Fund
                  will  (unless  the  Adviser  otherwise  consents  in  writing)
                  promptly take all necessary steps to change its name to a name
                  not including the word "Parnassus".

                      It is agreed that the Adviser shall have no responsibility
                  or liability  for the accuracy or  completeness  of the Fund's
                  Registration  Statement  under the 1940 Act or the  Securities
                  Act of 1933 except for information supplied by the Adviser for
                  inclusion therein. The Fund agrees to indemnify the Adviser to
                  the full extent permitted by the Fund's Declaration of Trust.

     3.  Broker-Dealer Relationships
         ---------------------------
                  In connection with its duties set forth in Section 2(a)(ii) of
         this  Agreement to arrange for the purchase and the sale of  securities
         held in the  portfolio of the Fund by placing  purchase and sale orders
         for the Fund, the Adviser shall select such broker-dealers  ("brokers")
         as shall, in the Adviser's  judgment,  implement the policy of the Fund
         to achieve "best execution", i.e. prompt and efficient execution at the
         most favorable securities price. In making such selection,  the Adviser
         is  authorized  to consider the  reliability,  integrity  and financial
         condition of the broker.

                  The Adviser is also authorized to consider  whether the broker
         provides  brokerage  and/or research  services to the Fund and/or other
         accounts of the Adviser.  The  commissions  paid to such brokers may be
         higher  than  another  broker  would  have  charged  if  a  good  faith
         determination  is made by the Adviser that the commission is reasonable
         in relation to the  services  provided,  viewed in terms of either that
         particular transaction or the Adviser's overall discretion. The Adviser
         shall use its judgment in  determining  that the amount of  commissions
         paid are  reasonable in relation to the value of brokerage and research
         services  provided  and need not place or  attempt  to place a specific
         dollar  value on such  services or on the portion of  commission  rates
         reflecting such services.  To demonstrate that such determinations were
         in good faith and to show the  overall  reasonableness  of  commissions
         paid, the Adviser shall be prepared to show that  commissions  paid (i)
         were  for  purposes  contemplated  by this  Agreement;  (ii)  were  not
         allocated  or paid for  products  or  services  which were  readily and
         customarily  available and offered to the public on a commercial basis;
         and (iii)  were  within a  reasonable  range as  compared  to the rates
         charged by qualified brokers to other  institutional  investors as such
         rates may become known from available information.  The Fund recognizes
         that, on any particular transaction, a higher than usual commission may
         be paid due to the  difficulty  of the  transaction  in  question.  The
         Adviser is also  authorized to consider  sales of shares as a factor in
         the   selection  of  brokers  to  execute   brokerage   and   principal
         transactions,  subject  to the  requirements  of  "best  execution"  as
         defined above.

     4.  Allocation of Expenses
         ----------------------
                  The  Adviser  agrees  that it will  furnish  the Fund,  at the
         Adviser's expense, with all office space and facilities,  and equipment
         and clerical personnel necessary for carrying out its duties under this
         Agreement.  The Adviser will also pay all compensation of all Trustees,
         officers and  employees of the Fund who are  affiliated  persons of the
         Adviser.  All costs and expenses not  expressly  assumed by the Adviser
         under  this  Agreement  shall be paid by the Fund,  including,  but not
         limited to (i) interest and taxes;  (ii) brokerage  commissions;  (iii)
         insurance  premiums;  (iv)  compensation  and  expenses of its Trustees
         other  than  those  affiliated  with the  Adviser;  (v) legal and audit
         expenses;  (vi) fees and expenses of the Fund's custodian,  shareholder
         servicing  or  transfer  agent and  accounting  services  agent;  (vii)
         expenses  incident  to the  issuance  of its  shares,  including  stock
         certificates  and issuance of shares on the payment of, or reinvestment
         of,  dividends;  (viii) fees and expenses  incident to the registration
         under Federal or state securities laws of the Fund or its shares;  (ix)
         expenses of  preparing,  printing  and mailing  reports and notices and
         proxy  material to  shareholders  of the Fund;  (x) all other  expenses
         incidental to holding meetings of the Fund's shareholders; (xi) dues or
         assessments of or contributions to the Investment Company Institute and
         the  Social   Investment  Forum  or  any  successor;   and  (xii)  such
         non-recurring expenses as may arise, including litigation affecting the
         Fund and the legal obligations which the Fund may have to indemnify its
         officers and Trustees with respect thereto.

     5.  Compensation of the Adviser
         ---------------------------
         (a)      The Fund agrees to pay the  Adviser and the Adviser  agrees to
                  accept as full  compensation for all services  rendered by the
                  Adviser  hereunder,  an annual  management fee payable monthly
                  and computed at the following annual percentages of the Fund's
                  average  daily net  assets:  1.00% of the first $10 million in
                  assets;  0.75% of the amount above $10 million in assets up to
                  $30 million;  0.70% of the amount above $30 million up to $100
                  million;  0.65% of the amount  above  $100  million up to $200
                  million; 0.60% of the amount above $200.

         (b)      In the event the expenses of the Fund  (including  the fees of
                  the Adviser and  amortization  of  organization  expenses  but
                  excluding    interest,     taxes,    brokerage    commissions,
                  extraordinary  expenses  and sales  charges  and  distribution
                  fees) for any fiscal year exceed the limits set by  applicable
                  regulations of state securities commissions,  the Adviser will
                  reduce  its  fee  by the  amount  of  such  excess.  Any  such
                  reductions  are subject to  readjustment  during the year. The
                  payment of the  management fee at the end of any month will be
                  reduced or postponed or, if  necessary,  a refund will be made
                  to the Fund so that at no time will there be any  accrued  but
                  unpaid liability under this expense limitation.

     6.  Duration and Termination
         ------------------------
         (a)      This  Agreement  shall go into  effect  on the date set  forth
                  above and shall,  unless  terminated as hereinafter  provided,
                  continue in effect until  December 31,  1998,  and  thereafter
                  from  year to year,  but only so long as such  continuance  is
                  specifically approved at least annually by the Fund's Board of
                  Trustees, including the vote of a majority of the Trustees who
                  are not parties to this Agreement or "interested  persons" (as
                  defined  in the Act) of any such  party  cast in  person  at a
                  meeting called for the purpose of voting on such approval,  or
                  by the vote of the holders of a "majority"  (as so defined) of
                  the  outstanding  voting  securities of the Fund and by such a
                  vote of the Trustees.

         (b)      This  Agreement  may be  terminated by the Adviser at any time
                  without  penalty upon giving the Fund sixty (60) days' written
                  notice  (which  notice  may be  waived by the Fund) and may be
                  terminated by the Fund at any time without penalty upon giving
                  the Adviser sixty (60) days' written  notice (which notice may
                  be waived by the Adviser),  provided that such  termination by
                  the  Fund  shall  be  directed  or  approved  by the vote of a
                  majority  of all its  Trustees in office at the time or by the
                  vote of the  holders of a majority  (as defined in the Act) of
                  the voting  securities of the Fund at the time outstanding and
                  entitled to vote. This Agreement shall automatically terminate
                  in the event of its assignment (as so defined).

         IN WITNESS  WHEREOF,  the  parties  hereto  have  caused the  foregoing
instrument  to be  executed  by duly  authorized  persons  and their seals to be
hereunto affixed, all as of the day and year first above written.

                                             THE PARNASSUS FUND


Date: March 27, 1998                         By___________________________
                                             Richard Silberman, Secretary

                                             PARNASSUS INVESTMENTS

Date: March 27, 1998                         By____________________
                                             Jerome L. Dodson, President


<PAGE>


                                                                      EXHIBIT 11

                              Deloitte & Touche LLP
                                50 Fremont Street
                          San Francisco, CA 94105-2230
                            Telephone: (415) 247-4000
                            Facsimile: (415) 247-4329




INDEPENDENT AUDITORS' CONSENT


The Parnassus Fund:

We  consent  to (a)  the  incorporation  by  reference  in  this  Post-Effective
Amendment No. 16 to Registration  Statement No. 2-93131 of the Parnassus Fund on
Form N-1A of our report  dated  January  16, 1998  appearing  in the Fund's 1997
Annual  Report to  Shareholders  incorporated  by reference in the  Statement of
Additional Information,  which is part of such Registration  Statement,  (b) the
reference  to us under the heading  "Financial  Highlights"  in the  Prospectus,
which is a part of such  Registration  Statement,  and (c) the  reference  to us
under the heading "General Information" in such Prospectus.


Deloitte & Touche LLP
March 27, 1998
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                                   EXHIBIT 14
                 INDIVIDUAL RETIREMENT ACCOUNT FORM & ROTH IRA
                                    PENDING










<PAGE>



                                                                      Exhibit 16


                   Calculation of Parnassus Fund Total Return
                   ------------------------------------------

The Parnassus Fund calculates its average annual total return quotations for the
one-year,  five-year  and ten-year  periods ended on the date of the most recent
balance sheet  included in the  registration  statement,  by finding the average
annual  compounded  rates of return over the one, five and ten year periods that
would  equate  the  initial  amount  invested  to the ending  redeemable  value,
according to the following formula:
                                        n
                                  P(1+T) = ERV

Where:            P      =    a hypothetical initial payment of $1,000

                  T      =    average annual total return

                  n      =    number of years

                  ERV    =    ending redeemable value of a hypothetical $1,000 
                              payment  made at the  beginning of the 1, 5, or 10
                              year  periods  at the  end of the 1, 5, or 10 year
                              periods (or fractional portion thereof);

These calculations incorporate the following assumptions:

1. The maximum sales load (or other charges  deducted from payments) is deducted
from the initial $1,000 payment.

2. All  dividends  and  distributions  by the Fund are  reinvested  at the price
stated in the prospectus on the reinvestment dates during the period,  i.e., any
sales load charged upon reinvestment of dividends would be reflected.

3. All recurring fees, if any, charged to all shareholder accounts are included.

4. The ending  redeemable value assumes a complete  redemption at the end of the
1, 5, or 10 year periods and the deduction of all nonrecurring  charges deducted
at the end of each period.


<PAGE>

                                                              Exhibit 16- Page 2
One Year SEC Total Return Calculation:                      
- --------------------------------------                      
Starting NAV: $34.39
Ending NAV: $35.74
Total Distributions during the period: $8.55

On 12/31/97, a $1,000 investment made on 12/31/96 would be worth: $1,251.60
Average Annual Total Return: 25.16%


Five Year SEC Total Return Calculation:
- ---------------------------------------
Starting NAV: $29.94
Ending NAV: $35.74
Total Distributions during the period: $16.87

On 12/31/97, a $1,000 investment made on 12/31/92 would be worth: $1,847.50
Average Annual Total Return: 13.06%


Ten Year SEC Total Return Calculation:
- --------------------------------------
Starting NAV: $16.16
Ending NAV: $35.74
Total Distributions during the period:$23.11

On 12/31/97, a $1,000 investment made on 12/31/87 would be worth: $4,452.90
Average Annual Total Return: 16.11%





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