USAA MUTUAL FUND INC
485BPOS, 1997-04-22
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  As filed with the  Securities  and Exchange  Commission  on April 21, 1997.
    

                                                    1933 Act File No. 2-49560
                                                    1940 Act File No. 811-2429

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM N-1A

   
            REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 X
                           Pre-Effective Amendment No.
                         Post-Effective Amendment No. 44
    

                                       and

   
        REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940 X
                                Amendment No. 32
    

                             USAA MUTUAL FUND, INC.
                -------------------------------------------------
               (Exact Name of Registrant as Specified in Charter)

                 9800 Fredericksburg Rd., San Antonio, TX 78288
             ------------------------------------------------------
               (Address of Principal Executive Offices) (Zip Code)

        Registrant's Telephone Number, including Area Code (210) 498-0600

                          Michael D. Wagner, Secretary
                             USAA MUTUAL FUND, INC.
                             9800 Fredericksburg Rd.
                           San Antonio, TX 78288-0227
                     ---------------------------------------
                     (Name and Address of Agent for Service)

Approximate Date of Proposed Public Offering:  As soon as practicable after
the effective date of this Registration Statement.

It is proposed that this filing will become effective under Rule 485

   
    immediately upon filing pursuant to paragraph (b)
 X  on (May 1, 1997) pursuant to paragraph (b)
    60 days after  filing  pursuant to  paragraph  (a)(1)
    on (date)  pursuant to paragraph (a)(1)
    75 days after filing pursuant to paragraph (a)(2)
    on (date)pursuant to paragraph (a)(2)
    

If appropriate, check the following box:
____    This  post-effective  amendment  designates a new  effective  date for a
        previously filed post-effective amendment.

                       DECLARATION PURSUANT TO RULE 24f-2

   
The Registrant has heretofore  registered an indefinite  number of shares of the
Aggressive  Growth Fund,  Growth Fund,  Growth & Income Fund, Income Stock Fund,
Income Fund,  Short-Term Bond Fund, and Money Market Fund pursuant to Rule 24f-2
under the Investment  Company Act of 1940 (the 1940 Act).  With respect to these
Funds, the Registrant filed its Rule 24f-2 notice for the fiscal year ended July
31, 1996 on September 26, 1996.  The  Registrant  has  heretofore  registered an
indefinite  number of shares of the S&P 500 Index  Fund  pursuant  to Rule 24f-2
under the 1940 Act. With respect to the S&P 500 Index Fund, the Registrant filed
its Rule 24f-2  notice for the fiscal year ended  December  31, 1996 on February
20,  1997.  The S&P 500 Index Fund is a "feeder  fund"  within a  "master-feeder
structure." 

                             Exhibit Index on Pages 65
                                                             Page 1 of 152
<PAGE>
    



                             USAA MUTUAL FUND, INC.


                              CROSS REFERENCE SHEET

                                     Part A


FORM N-1A ITEM NO.                                      SECTION IN PROSPECTUS

1.  Cover Page.......................................   Same

2.  Synopsis.........................................   Fees and Expenses

   
3.  Condensed Financial
       Information...................................   Financial Highlights
                                                        Performance Information
                                                        Additional Information
    

4.  General Description
       of Registrant.................................   Investment Objective and
                                                        Policies Description of
                                                        Shares

   
5.  Management of the Fund...........................   Management of the
                                                        Company and Portfolio
                                                        Service Providers
    

6.  Capital Stock and Other
       Securities....................................   Dividends, Distributions
                                                        and Taxes Description of
                                                        Shares

7.  Purchase of Securities
       Being Offered.................................   Purchase of Shares
                                                        Conditions of Purchase
                                                        and Redemption
                                                        Exchanges
                                                        Other Services
                                                        Share Price Calculation

8.  Redemption or Repurchase.........................   Redemption of Shares
                                                        Conditions of Purchase
                                                        and Redemption
                                                        Exchanges
                                                        Other Services

9.  Legal Proceedings................................   Not Applicable

<PAGE>

                             USAA MUTUAL FUND, INC.


                              CROSS REFERENCE SHEET

                                     Part B


FORM N-1A ITEM NO.                                      SECTION IN STATEMENT OF
                                                        ADDITIONAL
                                                        INFORMATION

10.  Cover Page......................................   Same

11.  Table of Contents...............................   Same

12.  General Information and
        History......................................   Not Applicable

13.  Investment Objectives
        and Policies.................................   Investment Policies
                                                        Investment Restrictions
                                                        Portfolio Transactions
                                                        and Brokerage
                                                        Commissions

   
14.  Management of the
        Registrant...................................   Directors and Officers
                                                        of the Company
                                                        Trustees and Officers of
                                                        the Portfolio

15.  Control Persons and
        Principal Holders
        of Securities................................   Directors and Officers
                                                        of the Company
                                                        Trustees and Officers of
                                                        the Portfolio

16.  Investment Advisory and
        Other Services...............................   Directors and Officers
                                                        of the Company
                                                        Investment Advisor
                                                        Administrator
                                                        General Information
    

17.  Brokerage Allocation and
        Other Practices..............................   Portfolio Transactions
                                                        and Brokerage
                                                        Commissions

18.  Capital Stock and Other
        Securities...................................   Further Description of
                                                        Shares

19.  Purchase, Redemption and
        Pricing of Securities
        Being Offered................................   Valuation of Securities
                                                        Additional Information
                                                        Regarding Redemption of
                                                        Shares
                                                        Investment Plans

20.  Tax Status......................................   Tax Considerations

21.  Underwriters....................................   General Information

22.  Calculation of Performance
        Data.........................................   Calculation of
                                                        Performance Data

23.  Financial Statements............................   General Information



<PAGE>


                                     Part A




   
                               Prospectus for the

                               S&P 500 Index Fund

                               is included herein
    



<PAGE>
   
                             USAA S&P 500 INDEX FUND
                             May 1, 1997 PROSPECTUS
    

USAA S&P 500 Index Fund (the Fund) is one of eight no-load  mutual funds offered
by USAA Mutual Fund, Inc. (the Company).  The Fund is managed by USAA Investment
Management Company (the Manager).

                        WHAT IS THE INVESTMENT OBJECTIVE?

The Fund's investment  objective is to seek to provide  investment results that,
before expenses, correspond to the total return of common stocks publicly traded
in the United  States,  as  represented  by the Standard & Poor's 500  Composite
Stock Price Index (S&P 500 or Index). Page 8.

HOW DO YOU BUY?
     Fund shares are sold on a continuous basis at the net asset value per share
without a sales charge.  Make your initial investment  directly with the Manager
by mail, in person, or in certain  instances,  by telephone.  Page 13.

HOW DO YOU SELL?
     You may redeem Fund shares by mail, telephone, fax, or telegraph on any day
that the net asset value is calculated. Page 15.

     This  Prospectus,  which should be read and retained for future  reference,
provides  information  regarding  the  Company and the Fund that you should know
before investing.

     Shares of the USAA S&P 500 Index Fund are not deposits or other obligations
of, or guaranteed by, the USAA Federal Savings Bank, are not insured by the FDIC
or any other Government Agency,  and are subject to investment risks,  including
possible loss of the principal amount invested.

   
     The USAA S&P 500 Index Fund seeks to achieve its  investment  objective  by
investing all of its  investable  assets in the Equity 500 Index  Portfolio (the
Portfolio),  which is a separate  mutual fund advised by Bankers  Trust  Company
with an identical investment objective.  The investment  performance of the Fund
will correspond  directly to the investment  performance of the Portfolio.  Page
11.

     If  you  would  like  more  information   about  the  Fund,  you  may  call
1-800-531-8181 to request a free copy of the most recent financial report and/or
the Fund's Statement of Additional Information (SAI), dated May 1, 1997. The SAI
has  been  filed  with the  Securities  and  Exchange  Commission  (SEC)  and is
incorporated by reference into this Prospectus  (meaning it is legally a part of
the Prospectus).

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

<PAGE>


                                TABLE OF CONTENTS
                                                                Page
                                  SUMMARY DATA

Fees and Expenses.............................................   3
Financial Highlights..........................................   4
Performance Information.......................................   5

                               USING MUTUAL FUNDS
USAA Family of No-Load Mutual Funds...........................   6
Using Mutual Funds in an Investment Program...................   7

   
                        INVESTMENT PORTFOLIO INFORMATION
Investment Objective and Policies.............................   8
Additional Information........................................  23

                             SHAREHOLDER INFORMATION
Purchase of Shares............................................  13
Redemption of Shares..........................................  15
Conditions of Purchase and Redemption.........................  16
Exchanges.....................................................  17
Other Services................................................  18
Share Price Calculation.......................................  19
Dividends, Distributions and Taxes............................  19
Management of the Company and Portfolio.......................  20
Description of Shares.........................................  22
Service Providers.............................................  25
Telephone Assistance Numbers..................................  25
    


                                        2

<PAGE>
                                FEES AND EXPENSES

   
The  following  table  provides a summary of expenses  relating to purchases and
sales of shares of the Fund, and the aggregate annual operating  expenses of the
Fund and the  Equity  500 Index  Portfolio  (the  Portfolio)  for the year ended
December 31, 1996, as a percentage of average net assets (ANA) of the Fund.  The
Company's  Directors  believe that the aggregate per share  expenses of the Fund
and the Portfolio will be less than or approximately equal to the expenses which
the Fund would incur if the investable assets (Assets) of the Fund were invested
directly in the types of securities being held by the Portfolio.

Shareholder Transaction Expenses
- --------------------------------------------------------------------------------
Sales Load Imposed on Purchases.............................         None
Sales Load Imposed on Reinvested Dividends..................         None
Deferred Sales Load.........................................         None
Redemption Fee*.............................................         None
Exchange Fee................................................         None

Annual Fund Operating Expenses (as a percentage of ANA)
- --------------------------------------------------------------------------------
Investment Advisory Fees, net of reimbursements.............         .08%
12b-1 Fees..................................................         None
Other Expenses, net of reimbursements.......................         .10%
                                                                     ----
Total Operating Expenses, net of reimbursements.............         .18%
                                                                     ====
- ----------------
   *  A shareholder who requests delivery of redemption proceeds by wire
      transfer will be subject to a $10 fee.
      See Redemption of Shares - Bank Wire.

      The Manager is  entitled to receive  fees from the Fund only to the extent
that the aggregate  annual  operating  expenses of the Fund and the Portfolio do
not exceed .18% of the Fund's ANA and the Manager  will  reimburse  the Fund for
any expenses in excess of this  limitation.  In addition,  Bankers Trust Company
(Bankers  Trust),  which  provides  various  services  to  the  Portfolio,   has
voluntarily agreed to limit the Portfolio's  expenses to .08% of the Portfolio's
ANA. The Investment  Advisory Fees, Other Expenses and Total Operating  Expenses
reflect all such  commitments  by the Manager  and  Bankers  Trust.  Absent such
commitments,  the amount of Investment  Advisory Fees,  Other Expenses and Total
Operating  Expenses as a percentage of the Fund's ANA would have been .10%, .23%
and .33%, respectively.

      USAA Shareholder  Account Services assesses an annual account  maintenance
fee of $10 to  allocate  part of the  fixed  costs  of  maintaining  shareholder
accounts equally to all accounts.  This fee will be waived for shareholders with
an account  balance of $10,000 or more.  The fee is deducted  from the dividends
paid  to each  shareholder  at a rate  of  $2.50  per  quarter.  See  Dividends,
Distributions and Taxes.
    


                                        3

<PAGE>
Example of Effect of Fund Expenses
- --------------------------------------------------------------------------------

   
You  would  pay the  following  expenses  on a $1,000  investment  in the  Fund,
assuming  (1) 5% annual  return  and (2)  redemption  at the end of the  periods
shown. The example excludes the $10 account maintenance fee.

                      1 year - $2                         3 years - $6
    

The above example  should not be considered a  representation  of past or future
expenses and actual expenses may be greater or less than those shown.

   
     The  expense  table and the  example  above are  provided  to assist you in
understanding the expenses you will bear directly or indirectly as a shareholder
in the Fund. For more  information  with respect to the expenses of the Fund and
the Portfolio, see Management of the Company and Portfolio on page 20.
    

                              FINANCIAL HIGHLIGHTS

   
The following per share operating performance for a share outstanding throughout
the  eight-month  period ended  December 31, 1996, has been audited by Coopers &
Lybrand  L.L.P.  This  table  should  be read in  conjunction  with  the  Fund's
financial  statements for the year ended December 31, 1996, and the accountants'
report  thereon,  that appear in the Fund's Annual Report.  Further  performance
information  is  contained in the Annual  Report and is  available  upon request
without charge.
                                                           EIGHT-MONTH
                                                          PERIOD ENDED
                                                        DECEMBER 31, 1996*

PER SHARE OPERATING PERFORMANCE
Net Asset Value at Beginning of Period                    $    10.00
                                                          -----------

Income from Investment Operations:  
    Net Investment Income                                        .12
    Net Realized and Unrealized Gain on Securities
      and Futures Transactions                                  1.57

                                                          -----------
Total from Investment Operations                                1.69
Distributions from Net Investment Income                        (.12)
                                                          -----------

Net Asset Value at End of Period                          $    11.57
                                                          -----------
                                                          -----------
Total return **                                                16.90%

SUPPLEMENTAL DATA AND RATIOS
Net Assets at End of Period (000)                         $179,073
Ratio to Average Net Assets:
    Net Investment Income                                    2.09%(a)
    Expenses, including Expenses of the Equity 500
    Index Portfolio                                           .18%(a)
    Decrease Reflected in Above Expense Ratio Due
     to Absorption of Expenses by Bankers Trust and
     the Manager                                              .15%(a)
    

- --------------
 (a)  Annualized.  The ratio is not necessarily indicative of 12 months
      of operations.
   *  Fund commenced operations May 1, 1996.
  **  Assumes  reinvestment  of all  dividend  income  distributions  during the
      period; does not reflect $10 annual account maintenance fee.

                                        4

<PAGE>
                             PERFORMANCE INFORMATION

Performance  information  should be considered in light of the Fund's investment
objective and policies and market  conditions  during the time periods for which
it  is  reported.   Historical   performance   should  not  be   considered   as
representative of the future performance of the Fund.

   
     The Company may quote the Fund's total return in advertisements and reports
to shareholders  or prospective  investors.  The Fund's  performance may also be
compared to that of other mutual funds with a similar  investment  objective and
to stock  or  relevant  indexes,  such as the S&P 500,  that are  referenced  in
Appendix A to the SAI. Standard total return results reported by the Fund do not
take into account charges for optional services which only certain  shareholders
elect and which  involve  nominal  fees,  such as the $10 fee for a delivery  of
redemption proceeds by wire transfer.
    

     The Fund's  average  annual  total  return is computed by  determining  the
average  annual  compounded  rate of return for a specific  period  which,  when
applied to a hypothetical  $1,000 investment in the Fund at the beginning of the
period,  would produce the redeemable value of that investment at the end of the
period,  assuming  reinvestment  of all dividends and  distributions  during the
period.

     Further  information  concerning the Fund's total return is included in the
SAI.


                                        5

<PAGE>
                       USAA FAMILY OF NO-LOAD MUTUAL FUNDS

   
The USAA Family of No-Load Mutual Funds  includes a variety of Funds,  each with
different objectives and policies.  In combination,  these Funds are designed to
provide  investors  with the  opportunity  to  formulate  their  own  investment
program. You may exchange any shares you hold in any one USAA Fund for shares in
any other USAA Fund. For more complete  information  about the Funds in the USAA
Family  of  Funds,  including  charges  and  expenses,  call the  Manager  for a
Prospectus. Read it carefully before you invest or send money.
    

                             USAA MUTUAL FUND, INC.
                             Aggressive Growth Fund
                                   Growth Fund
                               S&P 500 Index Fund
                              Growth & Income Fund
                                Income Stock Fund
                                   Income Fund
                              Short-Term Bond Fund
                                Money Market Fund

                              USAA INVESTMENT TRUST
                              Income Strategy Fund
                          Growth and Tax Strategy Fund
                             Balanced Strategy Fund
                            Cornerstone Strategy Fund
                              Growth Strategy Fund
                              Emerging Markets Fund
                                    Gold Fund
                               International Fund
                                World Growth Fund
                                   GNMA Trust
                           Treasury Money Market Trust
                           USAA TAX EXEMPT FUND, INC.
                                 Long-Term Fund
                             Intermediate-Term Fund
                                 Short-Term Fund
                          Tax Exempt Money Market Fund
                              California Bond Fund*
                          California Money Market Fund*
                               New York Bond Fund*
                           New York Money Market Fund*
                               Virginia Bond Fund*
                           Virginia Money Market Fund*

                            USAA STATE TAX-FREE TRUST
                          Florida Tax-Free Income Fund*
                       Florida Tax-Free Money Market Fund*
                           Texas Tax-Free Income Fund*
                        Texas Tax-Free Money Market Fund*



        * Available for sale only to residents of these specific states.


                                        6

<PAGE>

                   USING MUTUAL FUNDS IN AN INVESTMENT PROGRAM

I. THE IDEA BEHIND  MUTUAL FUNDS  Mutual funds were  conceived as a vehicle that
could give small investors some of the advantages  enjoyed by wealthy investors.
A relatively small investment buys part of a widely diversified portfolio.  That
portfolio is managed by investment  professionals,  relieving the shareholder of
the need to make individual stock or bond  selections.  The investor also enjoys
conveniences,  such as  daily  pricing,  liquidity,  and in the case of the USAA
Family of Funds, no sales charge. The portfolio,  because of its size, has lower
transaction  costs on its trades than most  individuals  would have. As a result
each  shareholder  owns an  investment  that in  earlier  times  would have been
available only to very wealthy people.

II.  USING FUNDS IN AN INVESTMENT PROGRAM
In choosing a mutual fund as an investment vehicle, the shareholder is foregoing
some investment  decisions,  but must still make others.  The decisions foregone
are those involved with choosing  individual  securities.  An investment adviser
will  perform  that  function.  In  addition,  the Manager  will arrange for the
safekeeping of securities,  auditing the annual financial statements,  and daily
valuation of the Fund, as well as other functions.

     The shareholder,  however,  retains at least part of the responsibility for
an equally important decision. This decision includes determining a portfolio of
mutual  funds that  balances  the  investor's  investment  goals with his or her
tolerance  for risk. It is likely that this decision may involve the use of more
than one fund of the USAA Family of Funds.

     For example,  assume a shareholder wished to invest in a widely diversified
common stock  portfolio.  The  shareholder  could include the Aggressive  Growth
Fund,  Growth Fund,  S&P 500 Index Fund,  Growth & Income Fund, and Income Stock
Fund in such a portfolio. This portfolio would include stocks of large and small
companies,  high-dividend stocks and growth stocks. This is just one example of
how an individual  could combine funds to create a portfolio  tailored to his or
her own risk and reward goals.

III. USAA'S FAMILY OF FUNDS
The Manager offers investors another  alternative in its asset strategy funds,
the Income Strategy, Growth and Tax Strategy, Balanced Strategy,  Cornerstone
Strategy,  and Growth Strategy Funds. These unique mutual funds provide a
professionally managed diversified investment portfolio within a mutual  fund. 
These  Funds are  designed  for the  shareholder  who  prefers to delegate the
asset allocation  process to an investment  manager.  The Funds are structured
to achieve diversification across a number of investment categories.

     Whether you prefer to create  your own mix of mutual  funds or use an asset
strategy  fund,  the USAA  Family of Funds  provides  a broad  range of  choices
covering   just  about  any   investor's   investment   objectives.   Our  sales
representatives  stand ready to inform you of your choices and to help you craft
a portfolio which meets your needs.

                                        7

<PAGE>


                        INVESTMENT OBJECTIVE AND POLICIES

INVESTMENT  OBJECTIVE

The Fund seeks to provide  investment results that, before expenses, correspond
to the total return  (i.e.,  the  combination of capital changes and income) of
common stocks  publicly  traded in the United States,  as represented  by the 
S&P 500(1).  The Fund offers investors a convenient means of diversifying their
holdings of common stocks while relieving those investors of the administrative
burdens  typically  associated  with purchasing and holding these instruments.

   
     The  Company  seeks to  achieve  the  investment  objective  of the Fund by
investing  all the  Assets  of the  Fund in the  Portfolio,  which  has the same
investment objective as the Fund. There can be no assurances that the investment
objective of either the Fund or the Portfolio  will be achieved.  The investment
objective of both the Fund and the Portfolio is not a fundamental policy and may
be changed upon notice to, but without the approval of, the Fund's  shareholders
or the Portfolio's investors,  respectively.  See Special Information Concerning
Master-Feeder Fund Structure on page 11.

     Since the investment  characteristics of the Fund will correspond  directly
to  those  of the  Portfolio,  the  following  is a  discussion  of the  various
investments  and investment  policies of the Portfolio.  Additional  information
about the investment policies of the Portfolio appears in the SAI.
    
EQUITY 500 INDEX PORTFOLIO 

The  Portfolio  is not  managed  according  to  traditional  methods of "active"
investment management,  which involve the buying and selling of securities based
upon economic,  financial, and market analyses and investment judgment. Instead,
the
- --------------
1 "Standard & Poor's(R),"  "S&P(R),"  "Standard & Poor's 500," "S&P 500(R)," and
"500" are trademarks of The McGraw-Hill  Companies,  Inc. and have been licensed
for use by Bankers Trust Company. Portfolio, utilizing a "passive" or "indexing"
investment approach,  attempts to replicate, before expenses, the performance of
the S&P 500.
   
     Under normal conditions when the Portfolio's  assets are above $10 million,
the  Portfolio  will  invest  at least 80% of its  assets  in  common  stocks of
companies  which compose the S&P 500. In seeking to replicate the performance of
the S&P 500, Bankers Trust,  the Portfolio's  investment  adviser,  will attempt
over time to allocate  the  Portfolio's  portfolio of  investments  among common
stocks in approximately  the same weightings as the S&P 500,  beginning with the
heaviest-weighted  stocks that make up a larger  portion of the  Index's  value.
Over the long term, Bankers Trust seeks a correlation between the performance of
the Portfolio,  before expenses, and that of the S&P 500 of 0.98 or better (0.95
or better if  Portfolio  asset levels are below $10  million).  A figure of 1.00
would  indicate  perfect  correlation.  In the unlikely  event that the targeted
correlation  is not achieved,  the  Portfolio's  Board of Trustees will consider
alternative structures.
    

     Bankers Trust utilizes a two-stage  sampling approach in seeking to achieve
its objective.  Stage one,  which  encompasses  large cap stocks,  maintains the
stock holdings at or near their benchmark weights.  Large capitalization  stocks
are defined as those  securities  which represent 0.10% or more of the Index. In
stage two,  smaller stocks are analyzed and selected using risk  characteristics
and industry  weights in order to match the sector and risk  characteristics  of
the smaller companies in the S&P 500. This approach helps to maximize  portfolio
liquidity while minimizing costs.

                                        8

<PAGE>

     Bankers Trust  generally will seek to match the composition of the S&P 500,
but usually will not invest the Portfolio's  stock portfolio to mirror the Index
exactly.  Because of the  difficulty and expense of executing  relatively  small
stock transactions, the Portfolio may not always be invested in the less heavily
weighted  S&P  500  stocks,  and  may  at  times  have  its  portfolio  weighted
differently  from the S&P 500,  particularly if the Portfolio has a low level of
assets. When the Portfolio's size is greater,  Bankers Trust expects to purchase
more of the stocks in the S&P 500 and to match the relative weighting of the S&P
500 more closely,  and  anticipates  that the Portfolio  will be able to mirror,
before  expenses,  the  performance of the S&P 500 with little variance at asset
levels of $10 million or more. In addition, the Portfolio may omit or remove any
S&P 500 stock from the Portfolio if, following objective criteria, Bankers Trust
judges  the  stock to be  insufficiently  liquid  or  believes  the merit of the
investment has been substantially  impaired by extraordinary events or financial
conditions.  Bankers Trust will not purchase the stock of Bankers Trust New York
Corporation,  which is included in the Index,  and instead will  overweight  its
holdings of companies engaged in similar businesses.

     Under normal  conditions,  Bankers  Trust will attempt to invest as much of
the Portfolio's assets as is practical in common stocks included in the S&P 500.
However,  the Portfolio may maintain up to 20% of its assets in short-term  debt
securities  and money  market  instruments  hedged with stock index  futures and
options to meet  redemption  requests or to facilitate  the investment in common
stocks. See Additional Information for further information.

     When the Portfolio has cash from new  investments in the Portfolio or holds
a portion of its  assets in money  market  instruments,  it may enter into stock
index  futures  or options to attempt  to  increase  its  exposure  to the stock
market. Strategies the Portfolio could use to accomplish this include purchasing
futures contracts,  writing put options,  and purchasing call options.  When the
Portfolio  wishes to sell  securities,  because of  shareholder  redemptions  or
otherwise,  it may use stock index  futures or options  thereon to hedge against
market risk until the sale can be  completed.  These  strategies  could  include
selling and buying futures contracts,  writing call options,  and purchasing put
options.

     Bankers Trust will choose among futures and options strategies based on its
judgment  of how  best  to  meet  the  Portfolio's  goals.  In  selecting  these
derivative  instruments,  Bankers  Trust will assess such factors as current and
anticipated stock prices, relative liquidity and price levels in the options and
futures markets  compared to the securities  markets,  and the Portfolio's  cash
flow  and  cash  management   needs.  If  Bankers  Trust  judges  these  factors
incorrectly,  or if  price  changes  in  the  Portfolio's  futures  and  options
positions  are not well  correlated  with  those of its other  investments,  the
Portfolio  could be hindered in the pursuit of its  objective  and could  suffer
losses.  The  Portfolio  could also be exposed to risk if it could not close out
its futures or options  positions  because of an illiquid  secondary  market.  A
description  of the futures and options that the  Portfolio  may use and some of
their associated risks is found under Additional Information.

Short-Term  Instruments  -  The  Portfolio  intends  to  stay  invested  in  the
securities described above to the extent practical in light of its objective and
long-term  investment  perspective.  However,  the  Portfolio's  assets  may  be
invested in short-term instruments with remaining maturities of 397 days or less
to  meet  anticipated  redemptions  and  expenses  or for  day-to-day  operating
purposes.  Short-term  instruments consist of: (1) short-term obligations of the
U.S.  Government,  its  agencies,  instrumentalities,  authorities  or political
subdivisions; (2) other short-term debt securities rated Aa or higher by

                                        9

<PAGE>

   
Moody's Investors  Service,  Inc. (Moody's) or AA or higher by Standard & Poor's
Ratings  Group (S&P) or, if  unrated,  of  comparable  quality in the opinion of
Bankers Trust; (3) commercial paper; (4) bank obligations,  including negotiable
certificates  of  deposit,  time  deposits  and  bankers'  acceptances;  and (5)
repurchase  agreements.  At the time the Portfolio  invests in commercial paper,
bank  obligations or repurchase  agreements,  the issuer or the issuer's  parent
must have  outstanding debt rated Aa or higher by Moody's or AA or higher by S&P
or outstanding  commercial paper or bank obligations rated Prime-1 by Moody's or
A-1 by S&P;  or, if no such ratings are  available,  the  instrument  must be of
comparable quality in the opinion of Bankers Trust.
    

ADDITIONAL INVESTMENT  LIMITATIONS 

As a diversified fund, no more than 5% of the assets of the  Portfolio  may be 
invested in the  securities  of any one issuer (other  than  U.S.  Government
securities),  except  that  up  to  25%  of  the Portfolio's  assets  may be  
invested  without  regard to this  limitation.  The Portfolio  will not  invest 
more than 25% of its  assets in the  securities  of issuers  in any one 
industry.  In the  unlikely  event  that the S&P 500 should concentrate to an
extent greater than that amount,  the  Portfolio's  ability to achieve  its 
investment  objective  may  be  impaired.  These  are  fundamental investment 
policies  of  the  Portfolio  which  may  not  be  changed  without shareholder
approval.  No more than 15% of the  Portfolio's  net  assets may be invested in
illiquid or not readily marketable  securities (including repurchase agreements 
and time  deposits  with  remaining  maturities  of more than  seven calendar
days). Additional investment policies of the Portfolio are contained in the SAI.

ABOUT THE S&P 500 INDEX

The S&P 500 is a  well-known  stock  market  index  that includes common stocks
of  500  companies  from  several  industrial  sectors representing  a 
significant  portion of the market  value of all common  stocks publicly  traded
in the United States,  most of which are listed on the New York Stock Exchange
Inc. (the NYSE).  Stocks in the S&P 500 are weighted according to their market
capitalization  (i.e., the number of shares outstanding  multiplied by the 
stock's  current  price).  Bankers Trust believes that the performance of
the S&P 500 is  representative  of the  performance  of publicly  traded  common
stocks in general.  The  composition  of the S&P 500 is determined by S&P and is
based on such factors as the market  capitalization and trading activity of each
stock and its adequacy as a  representation  of stocks in a particular  industry
group, and may be changed from time to time.

   
     The Fund and the Portfolio are not sponsored, endorsed, sold or promoted by
S&P. S&P makes no representation or warranty,  express or implied, to the owners
of the  Fund  or the  Portfolio  or any  member  of  the  public  regarding  the
advisability  of  investing  in  securities  generally  or in the  Fund  and the
Portfolio  particularly  or the  ability of the S&P 500 to track  general  stock
market performance.  S&P does not guarantee the accuracy and/or the completeness
of the S&P 500 or any data included therein.
    

     S&P makes no warranty, express or implied, as to the results to be obtained
by the Fund or the Portfolio,  owners of the Fund or the Portfolio, or any other
person or entity from the use of the S&P 500 or any data included  therein.  S&P
makes no express or implied  warranties and hereby expressly  disclaims all such
warranties of  merchantability  or fitness for a particular  purpose or use with
respect to the S&P 500 or any data included therein.
   
   
  The following  table shows the performance of the S&P 500 for the ten years
from 1987  through  1996.  The  results  shown  should  not be  considered  as a
representation  of the income or capital  gain or loss which may be generated by
the S&P 500 in the future. Nor should this be

                                       10

<PAGE>

considered as a representation of the past or future performance of the Fund.

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

Standard & Poor's 500 Composite Stock Price Index*
- --------------------------------------------------------------------------------


       Year End         Price Changes          Dividend             Total
Year  Index Value     in Index for Year       Reinvestment         Return
- --------------------------------------------------------------------------------


1996    740.74            20.26%                 2.68%             22.94%
1995    615.93            34.11%                 3.43%             37.54%
1994    459.27            -1.54%                 2.86%              1.32%
1993    466.45             7.06%                 2.98%             10.04%
1992    435.71             4.46%                 3.15%              7.61%
1991    417.09            26.31%                 4.09%             30.40%
1990    330.22            -6.56%                 3.46%             -3.10%
1989    353.40            27.25%                 4.37%             31.62%
1988    277.72            12.40%                 4.16%             16.56%
1987    247.08             2.03%                 3.22%              5.25%

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

*Source: Bloomberg.  Total returns for the S&P 500 include the
change in price of S&P 500 stocks and assume reinvestment of all
dividends paid by S&P 500 stocks.

   
RISK FACTORS

By itself, the Fund does not constitute a balanced  investment plan. The Fund is
designed  as a  relatively  low-cost  means for  investors  to  diversify  their
investment portfolios.  As described above, the Portfolio invests in a portfolio
of securities that is representative  of the stock market as a whole.  While the
performance  of  the  S&P  500  has  fluctuated   considerably,   the  long-term
performance of the S&P 500 has been greater than  inflation.  Thus, the Fund may
make  sense for you if you can afford to ride out  changes  in the stock  market
both favorable and unfavorable.  The Fund's share price,  yield and total return
will fluctuate and your  investment may be worth more or less than your original
cost when you redeem your shares.
    

     The  ability  of the  Fund  and  the  Portfolio  to meet  their  investment
objective depends to some extent on the cash flow experienced by the Fund and by
the other  investors in the  Portfolio,  since  investments  and  redemptions by
shareholders  of the Fund will  generally  require the  Portfolio to purchase or
sell securities.  Bankers Trust will make investment changes to accommodate cash
flow in an attempt to maintain the  similarity  of the Portfolio to the S&P 500.
You should also be aware that the  performance  of the S&P 500 is a hypothetical
number which does not take into account brokerage commissions and other costs of
investing,  unlike the Portfolio which must bear these costs. Finally, since the
Portfolio  seeks to track the S&P 500,  Bankers Trust generally will not attempt
to judge the merits of any particular stock as an investment.

   
PORTFOLIO TURNOVER

The frequency of portfolio transactions -- the Portfolio's turnover rate -- will
vary from year to year depending on market  conditions and the Portfolio's  cash
flows. The Portfolio's  annual turnover rate is not expected to exceed 100%. The
Portfolio's  turnover  rates for the years ended December 31, 1996 and 1995 were
15% and 6%, respectively.
    

SPECIAL INFORMATION CONCERNING MASTER-FEEDER FUND STRUCTURE

Unlike other mutual funds which directly  acquire and manage their own portfolio
securities,  the Fund seeks to achieve its investment objective by investing all
of its Assets in the Portfolio,  a separate  registered  investment company with
the same investment objective as the Fund. Therefore,  an investor's interest in
the  Portfolio's  securities  is  indirect.  In addition to selling a beneficial
interest to the Fund,  the  Portfolio  may sell  beneficial  interests  to other
mutual  funds or  institutional  investors.  Such  investors  will invest in the
Portfolio under the same terms and conditions and will pay a proportionate share
of the  Portfolio's  expenses.  However,  the other  investors  investing in the
Portfolio  are not  required to sell their  shares at the same  public  offering
price as the Fund due to variations  in sales  commissions  and other  operating
expenses.  Therefore,   investors  in  the  Fund  should  be  aware  that  these
differences may result in differences in returns experienced by investors in the
different funds that invest in the Portfolio.

                                       11

<PAGE>

Such  differences  in returns are also present in other mutual fund  structures.
Information  concerning other holders of interests in the Portfolio is available
from Bankers Trust at 1-800-368-4031.

     Smaller funds investing in the Portfolio may be materially  affected by the
actions of larger funds investing in the Portfolio. For example, if a large fund
withdraws from the Portfolio, the remaining funds may experience higher pro rata
operating expenses,  thereby producing lower returns (however,  this possibility
exists as well for traditionally-structured funds which have large institutional
investors).  Additionally,  the Portfolio may become less diverse,  resulting in
increased  portfolio risk.  Also, funds with a greater pro rata ownership in the
Portfolio  could  have  effective  voting  control  of  the  operations  of  the
Portfolio.

     Except as permitted  by the SEC,  whenever the Fund is requested to vote on
matters  pertaining  to the  Portfolio,  the Fund  will  hold a  meeting  of its
shareholders  and will cast all of its votes in the same proportion as the votes
of its  shareholders.  The percentage of the Company's  votes  representing  the
Fund's shareholders not voting will be voted by the Directors or officers of the
Company in the same proportion as the Fund's shareholders who do, in fact, vote.

     Certain  changes  in the  Portfolio's  investment  objective,  policies  or
restrictions may require the Fund to withdraw its interest in the Portfolio. Any
such withdrawal could result in a distribution "in kind" of portfolio securities
(as  opposed to a cash  distribution  from the  Portfolio).  If  securities  are
distributed,  the Fund generally would incur brokerage,  tax or other charges in
converting the  securities to cash. In addition,  the  distribution  in kind may
result in a less  diversified  portfolio of investments or adversely  affect the
liquidity of the Fund.

     The Fund may withdraw its investment from the Portfolio at any time, if the
Board of Directors of the Company  determines that it is in the best interest of
the  shareholders  of the Fund to do so. Upon any such  withdrawal,  the Manager
would  become  responsible  for  directly  managing  the Assets of the Fund.  In
addition,  the Board of Directors of the Company may consider other actions that
might be  taken,  including  the  investment  of all the  Assets  of the Fund in
another pooled  investment  entity having the same  investment  objective as the
Fund.

     The Fund's  investment  objective  is not a  fundamental  policy and may be
changed upon notice to, but without the approval of, the Fund's shareholders. If
there is a change in the Fund's investment  objective,  the Fund's  shareholders
should consider  whether the Fund remains an appropriate  investment in light of
their then-current needs. The investment  objective of the Portfolio is also not
a  fundamental  policy.  Shareholders  of the Fund will  receive 30 days'  prior
written  notice with  respect to any change in the  investment  objective of the
Fund or the  Portfolio.  See  Investment  Objective  and  Policies -  Additional
Investment  Limitations  for a description  of the  fundamental  policies of the
Portfolio that cannot be changed without  approval by the holders of "a majority
of the outstanding  voting securities" (as defined in the Investment Company Act
of 1940, as amended (1940 Act)) of the Portfolio.

   
     For descriptions of the investment objective,  policies and restrictions of
the Portfolio, see Investment Objectives and Policies herein and in the SAI. For
descriptions of the management and expenses of the Portfolio,  see Management of
the Company and Portfolio herein and Investment Adviser and Administrator in the
SAI.
    

                                       12

<PAGE>

                               PURCHASE OF SHARES

OPENING AN ACCOUNT

You may open an account and make an investment by any of the following methods.
A complete,  signed application is required together with a check for each new
account.

TAX ID NUMBER

We require that each shareholder named on the account provide the Company with a
social  security  number  or tax  identification  number to avoid  possible  tax
withholding requirements.

EFFECTIVE DATE

When you make a purchase,  your purchase price will be the net asset value (NAV)
per share next  determined  after the Fund receives your request in proper form.
The NAV of the Fund is determined at the close of the regular trading session of
the NYSE each day on which  the  Exchange  is open.  If the Fund  receives  your
request  prior to that  time,  your  purchase  price  will be the NAV per  share
determined  for that day. If the Fund  receives  your request  after the time at
which the NAV per share is  calculated,  the  purchase  will be effective on the
next business day.

     Because  of the more  lengthy  clearing  process  and the  need to  convert
foreign  currency,  a check drawn on a foreign bank will not be deemed  received
for the  purchase  of shares  until such time as the check has  cleared  and the
Manager  has  received  good  funds,  which  may  take up to four to six  weeks.
Furthermore,  a bank charge may be assessed in the clearing process,  which will
be  deducted  from  the  amount  of  the  purchase.  To  avoid  a  delay  in the
effectiveness  of your  purchase,  the Manager  suggests  that you convert  your
foreign check to U.S. dollars prior to investment in the Fund.

Purchase of Shares

Minimum Investments

Initial Purchase (non-IRA):          $3,000

Additional Purchases:                $50

Initial Purchase - IRA:              $2,000

Additional Purchases:                $50


                                       13

<PAGE>


How to Purchase:

Mail              o To open an account, send your application and check to:
                           USAA Investment Management Company
                           9800 Fredericksburg Rd., San Antonio, TX  78288
                  o  To add to your account,  send your check and the "Invest by
                     Mail"  stub  that  accompanies   your  fund's   transaction
                     confirmation to the Transfer Agent:
                           USAA Shareholder Account Services
                           9800 Fredericksburg Rd., San Antonio, TX  78288
                  o  To exchange by mail, call 1-800-531-8448 for instructions.

In Person         o To open an account, bring your application and check to:
                           USAA Investment Management Company
                           USAA Federal Savings Bank
                           10750 Robert F. McDermott Freeway, San Antonio

Automatically     o Additional  purchases on a regular basis can be deducted
via                 from a bank account,  paycheck,  income-producing 
Electronic          investment  or from a USAA money market account. Sign up  
Funds               for these services when opening an account or call 
Transfer            1-800-531-8448  to add these services. 
(EFT)             o Purchases through payroll  deduction  ($25  minimum  each 
                    pay  period  with $3,000  initial investment) can be 
                    made by any employee of USAA, its subsidiaries or 
                    affiliated companies.

Bank Wire         o To add to an account,  instruct your bank (which may
                    charge a fee for the service) to wire the specified amount
                    to the Fund as follows:
                           State Street Bank and Trust Company, Boston, MA 02101
                           ABA#011000028
                           Attn:  USAA S&P 500 Index Fund
                           USAA AC-69384998
                           Shareholder(s) Name(s)_________________
                           Shareholder(s) Account Number___________________

Phone             o If you  have an  existing  USAA  account  and  would  like
1-800-531-8448      to open a new account or if you would like to exchange  to
                    another  USAA fund, call for instructions. The new account
                    must have the same registration as your existing account.
                  o To add to an account,  intermittent  (as-needed)  purchases
                    can be deducted from your bank account through our Buy/Sell
                    Service. Call for instructions.


                                       14

<PAGE>


                              REDEMPTION OF SHARES

You may redeem shares of the Fund by any of the following methods on any day the
NAV per share is calculated.  Redemptions  will be effective on the day on which
instructions  are received in accordance with the  requirements set forth below.
However,  if  instructions  are  received  after the NAV per share  calculation,
redemption will be effective on the next business day.

REDEMPTION PROCEEDS

Redemption  proceeds are distributed  within seven days after the effective date
of redemption. Payment for redemption of shares purchased by check or electronic
funds  transfer  will not be disbursed  until the purchase  check or  electronic
funds  transfer  has  cleared,  which could take up to 15 days from the purchase
date. If you are considering  redeeming  shares soon after purchase,  you should
purchase by bank wire or certified check to avoid delay.

     In addition,  the Company may elect to suspend the  redemption of shares or
postpone  the date of  payment  during any  period  that the NYSE is closed,  or
trading in the markets the Company  normally  utilizes is restricted,  or during
any period that redemption is otherwise permitted to be suspended by the SEC.


How to Redeem:

Written,          o  Send your written instructions to:
Fax, or                    USAA Shareholder Account Services
Telegraph                  9800 Fredericksburg Rd., San Antonio, TX 78288
                  o  Send a signed fax to 1-800-292-8177,  or send a telegram to
                     USAA Shareholder Account Services.

     Written  redemption  requests must include the  following:  (1) a letter of
instruction or stock assignment,  and stock certificate (if issued),  specifying
the Fund  and the  number  of  shares  or  dollar  amount  to be  redeemed;  (2)
signatures  of all owners of the shares  exactly  as their  names  appear on the
account;  (3) other supporting legal documents,  if required,  as in the case of
estates, trusts, guardianships,  custodianships, partnerships, corporations, and
pension and profit-sharing plans; and (4) method of payment.

Phone             o Call toll free 1-800-531-8448, in San Antonio, 456-7202.

     Telephone  redemption is  automatically  established when you complete your
application.  The  Fund  will  employ  reasonable  procedures  to  confirm  that
instructions  communicated by telephone are genuine;  and if it does not, it may
be  liable  for any  losses  due to  unauthorized  or  fraudulent  instructions.
Information is obtained prior to any discussion  regarding an account including:
(1) USAA number or account number, (2) the name(s) on the account  registration,
and (3) social  security  number or tax  identification  number for the  account
registration.  In addition, all telephone  communications with a shareholder are
recorded,  and confirmations of all account transactions are sent to the address
of record.

     Redemption  by  telephone,  fax, or telegraph is not  available  for shares
represented by stock certificates.


                                       15

<PAGE>


Methods of Payment:

Bank Wire     o Allows redemptions to be sent directly to your bank account.

     Establish  this  service  when you apply for your  account,  or later  upon
request. If your account is at a savings bank, savings and loan association,  or
credit union,  please obtain precise wiring  instructions from your institution.
Specifically,  include the name of the correspondent bank and your institution's
account number at that bank. USAA Shareholder  Account Services (Transfer Agent)
deducts a wire fee from the account for the  redemption  by wire.  The fee as of
the date of this  Prospectus  is $10 ($25 for  wires to a  foreign  bank) and is
subject to change at any time.  The fee is paid to State  Street  Bank and Trust
Company and the Transfer  Agent for their  services in connection  with the wire
redemption. Your bank may also charge a fee for receiving funds by wire.

Automatically o Systematic (regular) or intermittent (as-needed) redemptions can
via EFT         credited to your bank account.

     Establish any of our electronic  investing services when you apply for your
account, or later upon request.

Check         o A check payable to the registered  shareholder(s)  will be 
Redemption      mailed to the address of record.

     This check  redemption  privilege is  automatically  established  when your
application is completed and accepted. There is a 15-day waiting period before a
check redemption can be processed  following a telephone address change.  Should
you wish to redeem  shares  within the 15 days  following  a  telephone  address
change, you may do so by providing written instructions by mail or facsimile.
                     

                      CONDITIONS OF PURCHASE AND REDEMPTION

NONPAYMENT

If any order to purchase shares is cancelled due to nonpayment or if the Company
does not receive good funds either by check or electronic  funds  transfer,  the
cancellation will be treated as a redemption of shares  purchased;  and you will
be responsible  for any resulting  loss incurred by the Fund or the Manager.  If
you are a  shareholder,  shares can be redeemed  from any of your  account(s) as
reimbursement for all losses.  In addition,  you may be prohibited or restricted
from making  future  purchases in any of the USAA Family of Funds.  A $15 fee is
charged for all returned items, including checks and electronic funds transfers.

TRANSFER OF SHARES

Fund shares may be transferred to another person by sending written instructions
to the  Transfer  Agent.  The account must be clearly  identified,  and you must
include the number of shares to be transferred, the signatures of all registered
owners, and all stock  certificates,  if any, which are the subject of transfer.
You also need to send written  instructions  signed by all registered owners and
supporting  documents  to change an account  registration  due to events such as
divorce,  marriage,  or death.  If a new  account  needs to be  established,  an
application must be completed and returned to the Transfer Agent.


                                       16

<PAGE>


ACCOUNT BALANCE

The Board of Directors may cause the  redemption of an account with a balance of
less than 10 shares of the Fund,  subject to certain  limitations  described  in
Additional Information Regarding Redemption of Shares in the SAI.

COMPANY RIGHTS

The Company reserves the right to:
(1)  reject purchase or exchange orders when in the best interest of the
     Company;
(2)  limit or discontinue the offering of shares of any portfolio of the Company
     without notice to the shareholders;
(3)  impose a redemption charge of up to 1%of the net asset value of shares
     redeemed if circumstances indicate a charge is necessary for the protection
     of remaining investors (for example, if excessive market-timing share
     activity unfairly burdens long-term investors);provided, however, this 1%
     charge will not be imposed upon shareholders unless authorized by the 
     Board of Directors and the required notice has been given to shareholders;
(4)  require a signature guarantee for purchases, redemptions, or changes in
     account information in those instances where the appropriateness of a 
     signature authorization is in question.  The section Additional Information
     Regarding Redemption of Shares in the SAI contains information on 
     acceptable guarantors.

                                    EXCHANGES

EXCHANGE PRIVILEGE

The  Exchange  Privilege is  automatically  established  when you complete  your
application.  You may  exchange  shares among Funds in the USAA Family of Funds,
provided  you do not hold these  shares in stock  certificate  form and that the
shares  to be  acquired  are  offered  in  your  state  of  residence.  Exchange
redemptions and purchases will be processed  simultaneously  at the share prices
next  determined  after the exchange  order is received.  For federal income tax
purposes, an exchange between Funds is a taxable event.  Accordingly,  a capital
gain or loss may be realized.
     The Fund has undertaken certain procedures regarding telephone
transactions.  See Redemption of Shares - Phone.


EXCHANGE LIMITATIONS,
EXCESSIVE TRADING

To  minimize  Fund costs and to protect  the Funds and their  shareholders  from
unfair expense burdens, the Funds restrict excessive exchanges. Exchanges out of
any Fund in the USAA  Family of Funds are  limited  for each  account to six per
calendar  year  except  that  there is no  limitation  on  exchanges  out of the
Short-Term  Bond Fund,  Tax Exempt  Short-Term  Fund, or any of the money market
funds in the USAA Family of Funds.


                                       17

<PAGE>
                                 OTHER SERVICES

INVESTMENT  PLANS  Automatic  Investment  Plans - You may establish an automatic
investment plan by completing the appropriate forms. At the time you sign up for
any of the following investment plans that utilize the electronic funds transfer
service,  you will choose the day of the month (the effective date) on which you
would like to  regularly  purchase  shares.  When this day falls on a weekend or
holiday, the electronic transfer will take place on the last business day before
the effective date. Call the Manager to obtain  instructions.  More  information
about these preauthorized plans is contained in the SAI.

   
o InvesTronic(R) - The regular purchase of additional shares through  electronic
funds transfer from a checking or savings  account.  You may invest as little as
$50 per month.

o Direct Purchase Service - The periodic  purchase of shares through  electronic
funds transfer from an employer (including government allotments), an income-
producing investment,  or an account with a participating financial institution.
    

o Automatic  Purchase  Plan - The  periodic  transfer of funds from a USAA money
market fund to purchase shares in another non-money market USAA mutual fund.

o Buy/Sell Service - The  intermittent  purchase or redemption of shares through
electronic funds transfer to or from a checking or savings account.

o Systematic  Withdrawal  Plan - The periodic  redemption  of shares from one of
your  accounts  permitting  you to  receive a fixed  amount of money  monthly or
quarterly.

o  Retirement  Plans - Plans  are  available  for IRA  (including  SEP/IRA)  and
403(b)(7)  accounts.  Federal  taxes on  current  income may be  deferred  if an
investor qualifies.

o  Directed  Dividends  - If you own shares in more than one of the Funds in the
USAA  Family of  Funds,  you may  direct  that  dividends  and/or  capital  gain
distributions  earned in one fund be used to purchase  shares  automatically  in
another fund.


SHAREHOLDER STATEMENTS
AND REPORTS

You will receive a confirmation after each transaction in your account except:
(1)  a reinvested dividend;
(2)  a payment you make under the
     InvesTronic(R), Direct Purchase Service,Automatic Purchase Plan, or
     Directed Dividends investment plans; or
(3)  a redemption you make under the Systematic Withdrawal Plan.
     At the end of each quarter, you will receive  a  consolidated  statement
for  all  of  your  mutual  fund  accounts,regardless of account activity.  
The fourth quarter consolidated  statement will reflect all  account  activity
for the prior tax year.  There will be a $10 fee charged for copies of 
historical  statements  for other than the prior tax year for any one account.  
You will receive the Fund's  financial  statements  with a summary of its
investments and performance at least semiannually.
     In an effort to reduce  expenses and respond to  shareholders'  requests to
reduce  mail,  the  Company  intends  to  consolidate  mailings  of  Annual  and
Semiannual  Reports to households having multiple accounts with the same address
of record.  One copy of each report will be furnished to that  address.  You may
request additional reports by notifying the Company.


TELEPHONE ASSISTANCE

Call our telephone assistance numbers for specific forms, a copy of the SAI, the
most recent Annual Report and/or Semiannual Report, or if you have any questions
concerning any of the services offered.

                                       18

<PAGE>


                             SHARE PRICE CALCULATION

The price at which shares of the Fund are purchased and redeemed by shareholders
is equal to the NAV per share  determined on the effective  date of the purchase
or redemption.

WHEN

The NAV per share for the Fund is calculated at the close of the regular trading
session of the NYSE,  which is usually 4:00 p.m.  Eastern time.  You may buy and
sell Fund shares at the NAV per share without a sales charge.

HOW

The NAV per share is  calculated by adding the value of the Fund's assets (i.e.,
the  value of its  investment  in the  Portfolio  and other  assets),  deducting
liabilities,  and dividing by the number of shares outstanding.  The Portfolio's
securities  and  other  assets  are  valued  primarily  on the  basis of  market
quotations  or, if quotations are not readily  available,  by a method which the
Portfolio's Board of Trustees believes accurately reflects fair value.


                       DIVIDENDS, DISTRIBUTIONS AND TAXES

DIVIDENDS  AND  DISTRIBUTIONS  Net  investment  income  will be  distributed  to
shareholders quarterly. Net capital gains, if any, generally will be distributed
at least annually. The Fund intends to make such additional distributions as may
be necessary to avoid the imposition of any federal income or excise tax.

     All income  dividends  and capital  gain  distributions  are  automatically
reinvested,  unless the shareholder specifies otherwise. The share price will be
the NAV of the Fund shares computed on the ex-dividend date. Any income dividend
or capital gain  distributions paid by the Fund will reduce the NAV per share by
the  amount  of the  dividend  or  distribution.  An  investor  should  consider
carefully  the  effects  of  purchasing  shares of the Fund  shortly  before any
dividend  or  distribution.  Although  in  effect a  return  of  capital,  these
distributions are subject to taxes.

   
     For those  shareholders  with an account balance of less than $10,000,  the
Transfer Agent  automatically  deducts a $10 annual account maintenance fee from
the  dividend  income  paid  to  each  shareholder   account.  The  $10  account
maintenance fee is deducted at a rate of $2.50 per quarter from the dividend. If
the  dividend  to be paid to an  account  is less  than the fee to be  deducted,
sufficient shares may be redeemed from an account to make up the difference. The
annual account maintenance fee may be changed upon not less than 30 days' notice
to account holders.
    

     Any  dividend  or  distribution  payment  returned  to the  Manager  as not
deliverable  will  be  invested  in  the  shareholder's   Fund  account  at  the
then-current  NAV per  share.  If any  check for the  payment  of  dividends  or
distributions  is not cashed  within six months  from the date on the check,  it
becomes void. The amount of the check will then be invested in the shareholder's
Fund account at the then-current NAV per share.

FEDERAL TAXES

The following discussion relates only to generally applicable federal income tax
provisions in effect as of the date of this Prospectus.  Therefore, shareholders
are urged to consult  their own tax advisers  about the status of  distributions
from the Fund in their own states and localities.

Fund - The Fund  intends to  qualify as a  regulated  investment  company  under
Subchapter M of the Internal  Revenue  Code of 1986,  as amended (the Code).  By
complying  with the  applicable  provisions  of the  Code,  the Fund will not be
subject to


                                       19

<PAGE>

federal income tax on its net  investment  income and net capital gains (capital
gains in excess of capital losses) distributed to shareholders.

     In order to qualify as a regulated  investment  company under the Code, the
Fund must satisfy  certain  requirements  relating to the sources of its income,
the  distribution  of its income,  and the  diversification  of its  assets.  In
satisfying  these  requirements,  the Fund  will  treat  itself  as  owning  its
proportionate  share of the Portfolio's  assets and is entitled to the income of
the Portfolio  properly  attributable to such share. As a partnership  under the
Code, the Portfolio does not pay federal income or excise taxes.

Shareholder - Dividends from taxable net investment  income and distributions of
net short-term  capital gains are taxable to  shareholders  as ordinary  income,
whether received in cash or reinvested in additional  shares. A portion of these
dividends  may qualify for the 70%  dividends  received  deduction  available to
corporations.

     Distributions  of net  long-term  capital  gains are  taxable as  long-term
capital gains whether received in cash or reinvested in additional  shares,  and
regardless of the length of time the investor has held the shares of the Fund.

     Redemptions,  including exchanges,  are subject to income tax, based on the
difference between the cost of shares when purchased and the price received upon
redemption or exchange.

Withholding  - The Fund is required by federal law to withhold  and remit to the
U.S.  Treasury a portion of the income dividends and capital gain  distributions
and proceeds of redemptions paid to any  non-corporate  shareholder who fails to
furnish  the Fund with a correct tax  identification  number,  who  underreports
dividend or interest  income,  or who fails to certify that he is not subject to
withholding.  To avoid this  withholding  requirement,  you must certify on your
application, or on a separate Form W-9 supplied by the Transfer Agent, that your
tax  identification  number is correct and that you are not currently subject to
backup withholding.

Reporting - Information concerning the status of dividends and distributions for
federal income tax purposes will be mailed to shareholders annually.

                     MANAGEMENT OF THE COMPANY AND PORTFOLIO

The business  affairs of the Company are subject to the supervision of its Board
of  Directors,  while the business  affairs of the  Portfolio are subject to the
supervision of its Board of Trustees.  No Director of the Company also serves as
a Trustee of the Portfolio.  For more  information  with respect to Directors of
the Company and Trustees of the  Portfolio,  see  Directors  and Officers of the
Company and Trustees and Officers of the Portfolio in the SAI.

INVESTMENT ADVISER 
USAA Investment  Management Company

The Manager serves as the manager  and 
investment  adviser  of  the  Fund,  providing  services  under  a Management
Agreement. Under the Management Agreement, the Manager is responsible for
monitoring the services provided to the Portfolio by Bankers Trust, subject
to the authority of and  supervision  by the Board of  Directors.  The  Manager 
receives no fee for providing these monitoring services.  In the event the 
Fund's Board of Directors determines it is in the best  interests of the Fund's
shareholders  to withdraw its  investment  in the  Portfolio, the Manager would
become  responsible  for directly  managing the assets of the Fund. In such
event, the Fund would pay the Manager an annual fee of .10% of the Fund's ANA,
accrued daily and paid monthly.

                                       20

<PAGE>


   
     The  Manager  was  organized  in May 1970  and is an  affiliate  of  United
Services Automobile  Association (USAA), a large diversified  financial services
institution.  As of the date of this Prospectus,  the Manager had  approximately
$32 billion in total assets under  management.  The Manager's mailing address is
9800 Fredericksburg Rd., San Antonio, TX 78288.
    

     Officers and  employees of the Manager are  permitted to engage in personal
securities  transactions subject to restrictions and procedures set forth in the
Joint Code of Ethics adopted by the Company and the Manager.  Such  restrictions
and procedures include  substantially all of the recommendations of the Advisory
Group  of the  Investment  Company  Institute  and  comply  with SEC  rules  and
regulations.

Bankers  Trust  Company
   

At the present time,  the Company seeks to achieve the  investment  objective of
the Fund by investing all the Assets of the Fund in the Portfolio. The Portfolio
has retained  the services of Bankers  Trust as  investment  adviser.  Mr. Frank
Salerno,  Managing  Director of Bankers Trust, is responsible for the day-to-day
management  of the  Portfolio.  Mr.  Salerno has been  employed at Bankers Trust
since 1981 and has managed the Portfolio's assets since the Portfolio  commenced
operations.

     Bankers Trust, a New York banking corporation with principal offices at 280
Park Avenue,  New York, New York 10017, is a wholly owned  subsidiary of Bankers
Trust New York  Corporation.  Bankers  Trust is a worldwide  merchant  bank that
conducts  a variety  of  general  banking  and trust  activities  and is a major
wholesale  supplier of  financial  services to the  international  and  domestic
institutional markets. Investment management is a core business of Bankers Trust
with  approximately  $227 billion in assets under management  globally.  Of that
total, approximately $92 billion are in U.S. equity index assets.

     Bankers Trust has been advised by its counsel  that, in counsel's  opinion,
Bankers  Trust  currently  may  perform  the  services  for the  Company and the
Portfolio  described  in this  Prospectus  and the SAI without  violation of the
Glass-Steagall Act or other applicable banking laws or regulations.
    

     Bankers  Trust,  subject to the  supervision  and direction of the Board of
Trustees  of the  Portfolio,  manages  the  Portfolio  in  accordance  with  the
Portfolio's   investment  objectives  and  stated  investment  policies,   makes
investment  decisions  for the  Portfolio,  places  orders to purchase  and sell
securities  and other  financial  instruments  on behalf of the  Portfolio,  and
employs  professional  investment  managers and securities  analysts who provide
research  services to the Portfolio.  Bankers Trust may utilize the expertise of
any of its  worldwide  subsidiaries  and  affiliates  to  assist  in its role as
investment  adviser.  All orders for  investment  transactions  on behalf of the
Portfolio are placed by Bankers Trust with  broker-dealers  and other  financial
intermediaries that it selects, including those affiliated with Bankers Trust. A
Bankers Trust affiliate will be used in connection with a purchase or sale of an
investment for the Portfolio only if Bankers Trust believes that the affiliate's
charge for the  transaction  does not exceed  usual and  customary  levels.  The
Portfolio will not invest in  obligations  for which Bankers Trust or any of its
affiliates  is the  ultimate  obligor or  accepting  bank.  The  Portfolio  may,
however,  invest in the obligations of  correspondents  and customers of Bankers
Trust.

     Under its Investment Advisory Agreement,  Bankers Trust receives a fee from
the  Portfolio,  computed  daily and paid  monthly,  at the annual  rate of .10%
(before waiver) of the average daily net assets of the Portfolio.


                                       21

<PAGE>


ADMINISTRATOR

   
Under its Administration Agreement with the Fund, the Manager calculates the NAV
of the Fund and  generally  assists the Board of Directors of the Company in all
aspects of the  administration  and  operation of the Fund.  The  Administration
Agreement  provides  for the Fund to pay the Manager a fee, computed  daily and
paid monthly, at an annual rate equal to the lesser of (1) .06% of the average
daily net  assets of the Fund or (2) the amount  that  brings the total Fund and
Portfolio  annual  operating  expenses as a percentage of the Fund's average net
assets up to .18%. Under the Administration Agreement with the Fund, the Manager
may delegate one or more of its  responsibilities  to others,  at the  Manager's
expense.
    

     Under an Administration and Services Agreement with the Portfolio,  Bankers
Trust calculates the value of the assets of the Portfolio and generally  assists
the Board of Trustees of the Portfolio in all aspects of the  administration and
operation of the Portfolio.  The  Administration and Services Agreement provides
for the Portfolio to pay Bankers Trust a fee,  computed  daily and paid monthly,
at the rate of .05%  (before  waiver)  of the  average  daily net  assets of the
Portfolio.  Under the Administration and Services  Agreement,  Bankers Trust may
delegate  one or more of its  responsibilities  to others,  at  Bankers  Trust's
expense. For more information, see Administrator in the SAI.

OPERATING EXPENSES

The Fund  bears its own  expenses.  Operating  expenses  for the Fund  generally
consist of all costs not  specifically  borne by the  Manager or Bankers  Trust,
including  administration  and service  fees,  fees for  necessary  professional
services,  and costs associated with regulatory compliance and maintaining legal
existence  and  shareholder  relations.  The  Portfolio  bears its own expenses.
Operating  expenses  for  the  Portfolio  generally  consist  of all  costs  not
specifically  borne  by  Bankers  Trust,   including   investment  advisory  and
administration and services fees, fees for necessary  professional services, the
costs associated with regulatory  compliance and maintaining legal existence and
investor relations.

       

                              DESCRIPTION OF SHARES

The Company is an open-end management  investment company incorporated under the
laws of the State of Maryland on October 14, 1980.  The Company is authorized to
issue  shares  in  separate  series  or  Funds.   Eight  such  Funds  have  been
established,  one of  which  is  described  in  this  Prospectus.  The  Fund  is
classified as a diversified investment company. Under the Company's charter, the
Board of  Directors  is  authorized  to create  new Funds in  addition  to those
already existing without approval of the shareholders of the Company.

     Under  provisions  of the  Bylaws  of the  Company,  no annual  meeting  of
shareholders is required. Ordinarily, no shareholder meeting will be held unless
required  by the 1940 Act.  The  Directors  may fill  vacancies  on the Board or
appoint  new  Directors  provided  that  immediately  after such action at least
two-thirds of the Directors have been elected by shareholders.

   
     Shareholders are entitled to one vote per share (with proportionate  voting
for  fractional  shares)  irrespective  of the relative  NAV of the shares.  For
matters  affecting an individual  fund, a separate vote of the  shareholders  of
that fund is  required.  As of March 31,  1997,  USAA and its  affiliates  owned
approximately 33.5% of the Fund's shares.
    

     The  Portfolio,  in which all the Assets of the Fund will be  invested,  is
organized  as a trust under the laws of the State of New York.  The  Portfolio's
Declaration of Trust provides that the Fund and other entities  investing in the
Portfolio (e.g., other investment companies, insurance company

                                       22

<PAGE>


separate  accounts,  and common and commingled  trust funds) will each be liable
for all obligations of the Portfolio.  However, the risk of the Fund's incurring
financial loss on account of such liability is limited to circumstances in which
both inadequate insurance exists and the Portfolio itself was unable to meet its
obligations.  Accordingly, the Company's Directors believe that neither the Fund
nor  its  shareholders  will be  adversely  affected  by  reason  of the  Fund's
investing in the Portfolio.

                             ADDITIONAL INFORMATION

Repurchase  Agreements - In a repurchase agreement the Portfolio buys a security
and simultaneously agrees to sell it back at a higher price. In the event of the
bankruptcy  of the other party to either a repurchase  agreement or a securities
loan, the Portfolio could experience delays in recovering either its cash or the
securities  it lent.  To the  extent  that,  in the  meantime,  the value of the
securities  repurchased  had  decreased  or the  value  of  securities  lent had
increased,  the Portfolio could  experience a loss. In all cases,  Bankers Trust
must  find  the   creditworthiness   of  the  other  party  to  the  transaction
satisfactory.  A repurchase  agreement is considered a collateralized loan under
the 1940 Act.

         

   
When-Issued  and  Delayed  Delivery  Securities  - The  Portfolio  may  purchase
securities on a when-issued or delayed  delivery basis.  Delivery of and payment
for these securities may take place as long as a month or more after the date of
the  purchase  commitment.  The value of these  securities  is subject to market
fluctuation  during this  period and no income  accrues to the  Portfolio  until
settlement  takes place.  The Portfolio  segregates  with the  Custodian  liquid
securities in an amount at least equal to these commitments.  When entering into
a when-issued or delayed  delivery  transaction,  the Portfolio will rely on the
other party to consummate  the  transaction;  if the other party fails to do so,
the Portfolio may be disadvantaged.
    

Options on Stock  Indices - The  Portfolio  may  purchase and write put and call
options on stock indices  listed on stock  exchanges.  A stock index  fluctuates
with changes in the market values of the stocks included in the index.

     Options on stock indices are  generally  similar to options on stock except
that the delivery  requirements  are  different.  Instead of giving the right to
take or make delivery of stock at a specified  price, an option on a stock index
gives the holder the right to receive a cash "exercise  settlement amount" equal
to (a) the  amount,  if any,  by which the fixed  exercise  price of the  option
exceeds  (in the  case of a put) or is less  than  (in the  case of a call)  the
closing value of the underlying index on the date of exercise, multiplied by (b)
a fixed  "index  multiplier."  Receipt of this cash  amount will depend upon the
closing  level of the stock index upon which the option is based  being  greater
than,  in the case of a call,  or less than,  in the case of a put, the exercise
price  of the  option.  The  amount  of  cash  received  will be  equal  to such
difference  between the closing price of the index and the exercise price of the
option expressed in dollars times a specified multiple. The writer of the option
is  obligated,  in return for the  premium  received,  to make  delivery of this
amount.  The writer may offset its  position  in stock  index  options  prior to
expiration by entering into a closing  transaction  on an exchange or the option
may expire unexercised.

     Because the value of an index option depends upon movements in the level of
the index rather than the price of a  particular  stock,  whether the  Portfolio
will  realize a gain or loss from the purchase or writing of options on an index
depends  upon  movements  in the  level  of stock  prices  in the  stock  market
generally or, in the case of certain

                                       23

<PAGE>

indices,  in an industry or market segment.  Accordingly,  successful use by the
Portfolio of options on stock indices will be subject to Bankers Trust's ability
to predict correctly movements in the direction of the stock market generally or
of a particular  industry.  This requires  different  skills and techniques than
predicting changes in the price of individual stocks.

Futures  Contracts on Stock  Indices - The  Portfolio  may enter into  contracts
providing for the making and acceptance of a cash settlement  based upon changes
in the value of an index of  securities  (Futures  Contracts).  This  investment
technique  is  designed  only to hedge  against  anticipated  future  changes in
general market prices which otherwise might either adversely affect the value of
securities  held by the  Portfolio or adversely  affect the prices of securities
which are intended to be purchased at a later date for the Portfolio.  A Futures
Contract  may also be entered  into to close out or offset an  existing  futures
position.

     In  general,   each   transaction   in  Futures   Contracts   involves  the
establishment  of a position which will move in a direction  opposite to that of
the investment being hedged. If these hedging  transactions are successful,  the
futures  positions taken for the Portfolio will rise in value by an amount which
approximately  offsets the  decline in value of the  portion of the  Portfolio's
investments  that are being  hedged.  Should  general  market  prices move in an
unexpected manner, the full anticipated benefits of Futures Contracts may not be
achieved or a loss may be realized.

     Although  Futures  Contracts  would be  entered  into  for cash  management
purposes only, such  transactions  do involve  certain risks.  These risks could
include a lack of  correlation  between  the  Futures  Contracts  and the equity
market being hedged,  a potential lack of liquidity in the secondary  market and
incorrect  assessments  of  market  trends  which may  result in poorer  overall
performance than if a Futures Contract had not been entered into.

   
     Brokerage  costs will be incurred and "initial  margin" will be required to
be  posted  and  maintained  as a  good-faith  deposit  against  performance  of
obligations under Futures Contracts written for the Portfolio. The Portfolio may
not  purchase  or sell a Futures  Contract  or options  thereon  if  immediately
thereafter  its margin  deposits on its  outstanding  Futures  Contracts and its
premium paid on outstanding  options thereon would exceed 5% of the market value
of the Portfolio's total assets.
    

Options  on  Futures  Contracts  - The  Portfolio  may invest in options on such
Futures Contracts for similar purposes.

   
Asset  Coverage - The Portfolio will cover  transactions  in futures and related
options,  as  well  as  when-issued  and   delayed-delivery  as  required  under
applicable   interpretations  of  the  SEC,  either  by  owning  the  underlying
securities or segregating with the Portfolio's Custodian liquid securities in an
amount  at all times  equal to or  exceeding  the  Portfolio's  commitment  with
respect to these instruments or contracts.
    


                                       24

<PAGE>


                                SERVICE PROVIDERS

Underwriter/Distributor
USAA Investment Management Company, 9800 Fredericksburg Rd., San Antonio,  Texas
78288, serves as the distributor of the Fund's shares.

Transfer Agent
USAA Shareholder Account Services,  9800 Fredericksburg Rd., San Antonio,  Texas
78288, serves as transfer agent of the Fund's shares.

Custodian
Bankers Trust serves as Custodian of the Fund's and the Portfolio's assets.

Legal Counsel
Goodwin, Procter & Hoar LLP, Exchange Place, Boston, Massachusetts 02109, serves
as counsel to the Fund. Willkie Farr & Gallagher,  One Citicorp Center, 153 East
53rd Street, New York, New York 10022-4669, serves as counsel to the Portfolio.

   
Independent Accountants
Coopers & Lybrand L.L.P.,  1100 Main Street,  Suite 900,  Kansas City,  Missouri
64105, serves as the Independent Accountants for the Fund and the Portfolio.
    


                              TELEPHONE ASSISTANCE

                         (Call toll free - Central Time)
                      Monday-Friday 8:00 a.m. to 8:00 p.m.
                        Saturday 8:30 a.m. to 5:00 p.m.

                    For further information on mutual funds:
                                 1-800-531-8181
                             In San Antonio 456-7211
                For account servicing, exchanges or redemptions:
                                 1-800-531-8448
                             In San Antonio 456-7202


                            RECORDED 24 HOUR SERVICE

                            MUTUAL FUND PRICE QUOTES
                                (From any phone)
                                 1-800-531-8066
                             In San Antonio 498-8066

                            MUTUAL FUND TOUCHLINE(R)
                          (From Touchtone phones only)
             For account balance, last transaction or fund prices:
                                 1-800-531-8777
                             In San Antonio 498-8777


                                       25

<PAGE>

                                     Part B




                   Statement of Additional Information for the


   
                               S&P 500 Index Fund
    

                               is included herein


<PAGE>

   
[Logo of          USAA                                   STATEMENT OF
USAA Eagle        MUTUAL                                 ADDITIONAL INFORMATION
appears here]     FUND, INC.                             May 1, 1997
    

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



                             USAA MUTUAL FUND, INC.
                               S&P 500 Index Fund

USAA MUTUAL FUND, INC. (the Company) is a registered investment company offering
shares  of  eight  no-load  mutual  funds,  one of which  is  described  in this
Statement of Additional  Information  (SAI): the S&P 500 Index Fund. The Fund is
classified  as a  diversified  investment  company  and has  its own  investment
objective designed to meet its investment goals.

      The Fund's investment  objective is to seek to provide  investment results
that, before expenses,  correspond to the total return of common stocks publicly
traded in the  United  States,  as  represented  by the  Standard  & Poor's  500
Composite Stock Price Index (S&P 500 or Index).  As described in the Prospectus,
the Company seeks to achieve the  investment  objective of the Fund by investing
all the  investable  assets  of the Fund in an  open-end  management  investment
company having the same investment objective as the Fund. The investment company
is the Equity  500 Index  Portfolio  (the  Portfolio)  advised by Bankers  Trust
Company (Bankers Trust).

      Since the investment  characteristics of the Fund will correspond directly
to those of the  Portfolio  in which  the  Fund  invests  all of its  investable
assets,  the following  includes a discussion of the various  investments of and
techniques employed by the Portfolio.

   
      You may  obtain a free copy of the  Prospectus  for the Fund  dated May 1,
1997,  by writing to USAA  Mutual  Fund,  Inc.,  9800  Fredericksburg  Rd.,  San
Antonio,  TX 78288,  or by  calling  toll free  1-800-531-8181.  The  Prospectus
provides  the basic  information  you should know before  investing in the Fund.
This SAI is not a Prospectus  and contains  information  in addition to and more
detailed than that set forth in the Fund's Prospectus. It is intended to provide
you with additional  information  regarding the activities and operations of the
Company  and the  Fund  and  should  be  read in  conjunction  with  the  Fund's
Prospectus.
    

- --------------------------------------------------------------------------------
                                TABLE OF CONTENTS

   
        Page
           2   Valuation of Securities
           2   Additional Information Regarding Redemption of Shares
           3   Investment Plans
           4   Investment Policies
           8   Investment Restrictions
          11   Portfolio Transactions and Brokerage Commissions
          12   Further Description of Shares
          13   Tax Considerations
          14   Directors and Officers of the Company
          17   Trustees and Officers of the Portfolio
          18   Investment Adviser
          19   Administrator
          20   General Information
          21   Calculation of Performance Data
          21   Appendix A - Comparison of Fund Performance
          23   Appendix B - Dollar-Cost Averaging
    


<PAGE>

                             VALUATION OF SECURITIES

Shares of the Fund are offered on a continuing  best efforts  basis through USAA
Investment  Management  Company  (IMCO or the Manager).  The offering  price for
shares of the Fund is equal to the current net asset value (NAV) per share.  The
NAV per share of the Fund is calculated by adding the value of the Fund's assets
(i.e.,  the  value  of its  investments  in the  Portfolio  and  other  assets),
deducting liabilities, and dividing by the number of shares outstanding.

      The Fund's NAV per share is calculated  each day,  Monday through  Friday,
except days on which the New York Stock Exchange  (NYSE) is closed.  The NYSE is
currently  scheduled  to be closed on New  Year's  Day,  Presidents'  Day,  Good
Friday, Memorial Day, Independence Day, Labor Day, Thanksgiving,  and Christmas,
and on the  preceding  Friday or  subsequent  Monday when one of these  holidays
falls on a Saturday or Sunday, respectively.

      The Portfolio values its equity and debt securities (other than short-term
debt obligations  maturing in 60 days or less),  including listed securities and
securities  for which price  quotations  are  available,  on the basis of market
valuations furnished by a pricing service. Short-term debt obligations and money
market  securities  maturing  in 60 days or less are valued at  amortized  cost,
which  approximates  market  value.  Other assets are valued at fair value using
methods determined in good faith by the Portfolio's Board of Trustees.

   
      Each investor in the  Portfolio,  including the Fund, may add to or reduce
its  investment  in the Portfolio on each day that the NYSE is open for business
and New York charter banks are not closed owing to customary or local  holidays.
As of the close of the NYSE, currently 4:00 p.m. (Eastern time or earlier if the
NYSE closes earlier) on each such day, the value of each investor's  interest in
the  Portfolio  will be  determined  by  multiplying  the net asset value of the
Portfolio by the percentage  representing that investor's share of the aggregate
beneficial interests in the Portfolio.  Any additions or reductions which are to
be effected on that day will then be effected.  The investor's percentage of the
aggregate  beneficial  interests in the Portfolio will then be recomputed as the
percentage equal to the fraction (1) the numerator of which is the value of such
investor's  investment  in the Portfolio as of the close of the NYSE on such day
plus or minus,  as the case may be, the amount of net additions to or reductions
in the investor's  investment in the Portfolio  effected on such day and (2) the
denominator  of which is the  aggregate  net asset value of the  Portfolio as of
4:00 p.m.  or the  close of the NYSE on such day plus or minus,  as the case may
be, the amount of net additions to or reductions in the aggregate investments in
the Portfolio by all investors in the  Portfolio.  The  percentage so determined
will then be applied to determine  the value of the  investor's  interest in the
Portfolio as of 4:00 p.m. or the close of the NYSE on the following day the NYSE
is open for trading.
    

              ADDITIONAL INFORMATION REGARDING REDEMPTION OF SHARES

The value of a shareholder's investment at the time of redemption may be more or
less than the cost at purchase, depending on the value of the securities held in
the  Portfolio.  Requests  for  redemption  which  are  subject  to any  special
conditions,  or which specify an effective  date other than as provided  herein,
cannot be accepted.  A gain or loss for tax purposes may be realized on the sale
of shares, depending upon the price when redeemed.

      The  Portfolio  reserves the right,  if  conditions  exist which make cash
payments undesirable, to honor any request for redemption or repurchase order by
making payment in whole or in part in readily  marketable  securities  chosen by
the Portfolio  and valued as they are for purposes of computing the  Portfolio's
NAV (a redemption in kind).  If payment is made to the Fund in  securities,  the
Fund may incur  transaction  expenses in converting  these securities into cash.
The  Portfolio  has  elected,  however,  to be  governed by Rule 18f-1 under the
Investment  Company Act of 1940,  as amended (1940 Act) as a result of which the
Portfolio is obligated to redeem  beneficial  interests  with respect to any one
investor  during any 90-day period,  solely in cash up to the lesser of $250,000
or 1% of the NAV of the Portfolio at the  beginning of the period.  For purposes
of  determining  compliance  with  Rule  18f-1,  each  shareholder  of the  Fund
redeeming  shares of the Fund on a  particular  day will be  treated as a direct
holder in the interest in the Portfolio being redeemed that day.

      In the event the Company  withdraws or redeems all of the Fund's  interest
in the Portfolio,  the Portfolio will effect such redemption in kind and in such
a manner that the  securities  delivered to the Fund will mirror,  as closely as
practicable,  the  composition  of  the  Portfolio  immediately  prior  to  such
redemption.

      The Board of  Directors  may cause the  redemption  of an  account  with a
balance of less than 10 shares of the Fund provided (1) the value of the account
has been  reduced,  for  reasons  other than  market  action,  below the minimum
initial investment in such Fund at the time of the establishment of the account,
(2) the account

                                        2

<PAGE>

has  remained  below the minimum  level for six  months,  and (3) 60 days' prior
written  notice of the  proposed  redemption  has been sent to the  shareholder.
Shares will be redeemed at the NAV on the date fixed for redemption by the Board
of Directors.  Prompt  payment will be made by mail to the last known address of
the shareholder.

      The  Company  reserves  the right to suspend  the right of  redemption  or
postpone  the date of  payment  (1) for any  periods  during  which  the NYSE is
closed,  (2) when  trading in the  markets  the  Company  normally  utilizes  is
restricted,  or an emergency exists as determined by the Securities and Exchange
Commission (SEC) so that disposal of the Company's  investments or determination
of its NAV is not reasonably  practicable,  or (3) for such other periods as the
SEC by order may permit for protection of the Company's shareholders.

      For the mutual  protection  of the  investor  and the Fund, a guarantee of
signature  may be required by the Company.  If required,  each  signature on the
account  registration  must be guaranteed.  Signature  guarantees are acceptable
from  FDIC  member  banks,  brokers,  dealers,   municipal  securities  dealers,
municipal  securities  brokers,   government   securities  dealers,   government
securities brokers,  credit unions,  national securities  exchanges,  registered
securities associations, clearing agencies and savings associations. A signature
guarantee for active duty military personnel stationed abroad may be provided by
an officer of the United  States  Embassy or  Consulate,  a staff officer of the
Judge Advocate General, or an individual's commanding officer.

                                INVESTMENT PLANS

The following investment plans are made available by the Company to shareholders
of the Fund. At the time you sign up for any of the following  investment  plans
that utilize the electronic funds transfer  service,  you will choose the day of
the month (the  effective  date) on which you would like to  regularly  purchase
shares.  When this day falls on a weekend or holiday,  the  electronic  transfer
will take place on the last  business  day before the  effective  date.  You may
terminate your  participation in a plan at any time. Please call the Manager for
details and necessary forms or applications.

Automatic Purchase of Shares

   
InvesTronic(R)  - The regular purchase of additional  shares through  electronic
funds transfer from a checking or savings  account.  You may invest as little as
$50 per month.

Direct  Purchase  Service - The periodic  purchase of shares through  electronic
funds transfer from an employer (including government allotments), an income-
producing  investment, or an account with a participating financial institution.
    

Automatic  Purchase  Plan - The  periodic  transfer  of funds  from a USAA money
market fund to purchase  shares in another  non-money  market USAA mutual  fund.
There is a minimum  investment  required for this program of $5,000 in the money
market fund, with a monthly transaction minimum of $50.

Buy/Sell  Service - The  intermittent  purchase or redemption of shares  through
electronic funds transfer to or from a checking or savings account.

      Participation in these automatic  purchase plans will permit a shareholder
to engage in dollar-cost  averaging.  For additional  information concerning the
benefits of dollar-cost averaging, see Appendix B.

Systematic Withdrawal Plan

If a shareholder in a single  investment  account  (accounts in different  Funds
cannot be  aggregated  for this  purpose)  owns shares having a NAV of $5,000 or
more, the  shareholder  may request that enough shares to produce a fixed amount
of money be liquidated from the account monthly or quarterly. The amount of each
withdrawal  must be at least $50. Using the electronic  funds transfer  service,
shareholders  may choose to have withdrawals  electronically  deposited at their
bank or other financial  institution.  They may also elect to have checks mailed
to a designated address.

      Such a plan may be  initiated by  depositing  shares worth at least $5,000
with  the  Transfer  Agent  and  by  completing  a  Systematic  Withdrawal  Plan
application,  which may be  requested  from the  Manager.  The  shareholder  may
terminate  participation  in the plan at any  time.  There is no  charge  to the
shareholder for withdrawals  under the Systematic  Withdrawal  Plan. The Company
will not bear any expenses in administering the plan beyond the regular transfer
agent and  custodian  costs of issuing  and  redeeming  shares.  Any  additional
expenses of administering the plan will be borne by the Manager.

                                        3

<PAGE>

      Withdrawals  will be made by redeeming full and  fractional  shares on the
date selected by the shareholder at the time the plan is established. Withdrawal
payments  made under this plan may exceed  dividends and  distributions  and, to
this extent, will involve the use of principal and could reduce the dollar value
of a shareholder's  investment and eventually  exhaust the account.  Reinvesting
dividends and  distributions  helps replenish the account.  Because share values
and  net  investment  income  can  fluctuate,  shareholders  should  not  expect
withdrawals to be offset by rising income or share value gains.

      Each  redemption  of shares  may  result in a gain or loss,  which must be
reported on the shareholder's income tax return. Therefore, a shareholder should
keep an accurate record of any gain or loss on each withdrawal.

Tax-Deferred Retirement Plans

Federal  taxes on current  income may be deferred if an investor  qualifies  for
certain types of retirement programs.  For the convenience of the investor,  the
following plans are made available by the Manager:  IRA (including  SEP/IRA) and
403(b)(7)  accounts.  The minimum  initial  investment in each of these plans is
$2,000.  Subsequent  investments  of $50 or more per  account may be made at any
time.  Investments  may be made in one or any combination of the Funds described
in the  Prospectus  of each Fund of USAA Mutual Fund,  Inc. and USAA  Investment
Trust (not available in the Growth and Tax Strategy Fund).

   
      Retirement plan applications for the IRA and 403(b)(7)  programs should be
sent directly to USAA Shareholder Account Services, 9800 Fredericksburg Rd., San
Antonio,  TX 78288.  USAA Federal  Savings  Bank serves as  Custodian  for these
tax-deferred  retirement plans under the programs made available by the Manager.
Applications  for  these  retirement  plans  received  by the  Manager  will  be
forwarded to the Custodian for acceptance.
    

      An  administrative  fee  of  $20  is  deducted  from  the  proceeds  of  a
distribution   closing  an  account.   Exceptions   to  the  fee  are:   partial
distributions,  total transfer within USAA, and  distributions due to disability
or  death.  This  charge  is  subject  to  change  as  provided  in the  various
agreements. There may be additional charges, as mutually agreed upon between the
investor and the Custodian, for further services requested of the Custodian.

      Each employer or individual establishing a tax-deferred retirement plan is
advised to consult with a tax adviser  before  establishing  the plan.  Detailed
information about the plans may be obtained from the Manager.

                               INVESTMENT POLICIES

The  investment  objective of the Fund is  described  in the Fund's  Prospectus.
There can, of course,  be no assurance that the Fund will achieve its investment
objective.

      The Fund seeks to achieve its investment objective by investing all of its
investable  assets  in the  Portfolio.  The  Company  may  withdraw  the  Fund's
investment  from the  Portfolio  at any time if the  Board of  Directors  of the
Company determines that it is in the best interest of the Fund to do so.

      Since the investment  characteristics of the Fund will correspond directly
to  those  of the  Portfolio,  the  following  is a  discussion  of the  various
investments of and techniques employed by the Portfolio.

   
      Certificates of Deposit and Bankers' Acceptances. The Portfolio may invest
in certificates of deposit which are receipts issued by a depository institution
in  exchange  for the  deposit  of funds.  The  issuer  agrees to pay the amount
deposited  plus  interest to the bearer of the receipt on the date  specified on
the certificate.  The certificate  usually can be traded in the secondary market
prior to maturity.  Bankers' acceptances  typically arise from short-term credit
arrangements designed to enable businesses to obtain funds to finance commercial
transactions.  Generally,  an  acceptance  is a time draft drawn on a bank by an
exporter or an importer to obtain a stated  amount of funds to pay for  specific
merchandise.   The  draft  is  then  "accepted"  by  a  bank  that,  in  effect,
unconditionally  guarantees  to pay the  face  value  of the  instrument  on its
maturity  date.  The  acceptance  may then be held by the  accepting  bank as an
earning  asset or it may be sold in the  secondary  market at the going  rate of
discount for a specific maturity.  Although maturities for acceptances can be as
long as 270 days, most acceptances have maturities of six months or less.

      Commercial  Paper.  The  Portfolio  may invest in  commercial  paper which
consists of short-term  (usually from 1 to 270 days) unsecured  promissory notes
issued by corporations in order to finance their current operations.  A variable
amount  master demand note (which is a type of  commercial  paper)  represents a
direct  borrowing  arrangement  involving  periodically   fluctuating  rates  of
interest  under a letter  agreement  between a  commercial  paper  issuer and an
institutional  lender  pursuant  to which the  lender  may  determine  to invest
varying amounts.
    

                                        4

<PAGE>

      Illiquid  Securities.  Historically,  illiquid  securities  have  included
securities  subject to contractual or legal  restrictions on resale because they
have not been registered  under the Securities Act of 1933, as amended (the 1933
Act),  securities  which are otherwise  not readily  marketable  and  repurchase
agreements  having a  remaining  maturity of longer  than seven  calendar  days.
Securities  which have not been registered under the 1933 Act are referred to as
private placements or restricted  securities and are purchased directly from the
issuer  or in  the  secondary  market.  Mutual  funds  do not  typically  hold a
significant  amount of these restricted or other illiquid  securities because of
the potential for delays on resale and uncertainty in valuation.  Limitations on
resale may have an adverse effect on the  marketability of portfolio  securities
and a mutual  fund might be unable to dispose of  restricted  or other  illiquid
securities  promptly  or at  reasonable  prices  and  might  thereby  experience
difficulty  satisfying  redemptions  within seven  calendar  days. A mutual fund
might also have to register  such  restricted  securities in order to dispose of
them resulting in additional expense and delay.
Adverse market conditions could impede such a public offering of securities.

      In recent years,  however, a large institutional  market has developed for
certain  securities  that  are not  registered  under  the 1933  Act,  including
repurchase   agreements,   commercial  paper,   foreign  securities,   municipal
securities,  and corporate bonds and notes. Institutional investors depend on an
efficient institutional market in which the unregistered security can be readily
resold or on an issuer's ability to honor a demand for repayment.  The fact that
there are contractual or legal restrictions on resale of such investments to the
general  public  or to  certain  institutions  may not be  indicative  of  their
liquidity.

   
      Lending of Portfolio  Securities.  The Portfolio has the authority to lend
portfolio securities to brokers, dealers and other financial organizations.  The
Portfolio will not lend  securities to Bankers Trust,  Edgewood  Services,  Inc.
(Edgewood),  the Portfolio's  Distributor,` or their affiliates.  By lending its
securities,  a  Portfolio  can  increase  its  income by  continuing  to receive
interest  on the  loaned  securities  as well as by  either  investing  the cash
collateral in short-term  securities or obtaining  yield in the form of interest
paid by the borrower when U.S.  Government  obligations  are used as collateral.
There may be risks of delay in receiving additional collateral or risks of delay
in recovery of the  securities or even loss of rights in the  collateral  should
the borrower of the securities  fail  financially.  The Portfolio will adhere to
the following  conditions  whenever its securities are loaned: (1) the Portfolio
must receive at least 100% cash  collateral  or equivalent  securities  from the
borrower;  (2) the borrower must increase  this  collateral  whenever the market
value of the securities  including accrued interest rises above the level of the
collateral;  (3) the  Portfolio  must be able to terminate the loan at any time;
(4) the Portfolio must receive  reasonable  interest on the loan, as well as any
dividends,  interest or other  distributions on the loaned  securities,  and any
increase in market value;  (5) the Portfolio may pay only  reasonable  custodian
fees in connection with the loan; and (6) voting rights on the loaned securities
may pass to the borrower;  provided, however, that if a material event adversely
affecting  the  investment  occurs,  the  Portfolio's  Board  of  Trustees  must
terminate the loan and regain the right to vote the securities.
    

Index Futures Contracts and Options on Index Futures Contracts and
Securities Indices

      Futures Contracts. The Portfolio may enter into contracts for the purchase
or sale for future  delivery  of the Index.  U.S.  futures  contracts  have been
designed by  exchanges  which have been  designated  "contracts  markets" by the
Commodity  Futures Trading  Commission  (CFTC),  and must be executed  through a
futures  commission  merchant,  or  brokerage  firm,  which is a  member  of the
relevant  contract  market.  Futures  contracts  trade on a number  of  exchange
markets,  and,  through their  clearing  corporations,  the exchanges  guarantee
performance of the contracts as between the clearing members of the exchange.

      At the same time a futures contract on the Index is purchased or sold, the
Portfolio  must  allocate  cash or  securities  as a  deposit  payment  (initial
deposit).  It is expected that the initial deposit would be approximately 1 1/2%
to 5% of a contract's  face value.  Daily  thereafter,  the futures  contract is
valued and the payment of "variation margin" may be required, since each day the
Portfolio would provide or receive cash that reflects any decline or increase in
the contract's value.

      Although futures  contracts by their terms call for the actual delivery or
acquisition of securities, in most cases the contractual obligation is fulfilled
before the date of the contract  without  having to make or take delivery of the
securities. The offsetting of a contractual obligation is accomplished by buying
(or selling, as the case may be) on a commodities  exchange an identical futures
contract  calling for delivery in the same month.  Such a transaction,  which is
effected through a member of an exchange, cancels the obligation to make or take
delivery of the  securities.  Since all  transactions  in the futures market are
made, offset or fulfilled  through a clearinghouse  associated with the exchange
on which the contracts are traded,  the Portfolio will incur brokerage fees when
it purchases or sells futures contracts.

                                        5

<PAGE>

      The ordinary spreads between prices in the cash and futures market, due to
differences in the nature of those markets,  are subject to distortions.  First,
all  participants  in the  futures  market are  subject to initial  deposit  and
variation margin  requirements.  Rather than meeting additional variation margin
requirements,   investors  may  close  futures  contracts   through   offsetting
transactions  which could distort the normal  relationship  between the cash and
futures  markets.  Second,  the  liquidity  of the  futures  market  depends  on
participants' entering into offsetting transactions rather than making or taking
delivery. To the extent participants decide to make or take delivery,  liquidity
in the futures market could be reduced, thus producing  distortion.  Third, from
the point of view of speculators, the margin deposit requirements in the futures
market are less  onerous  than margin  requirements  in the  securities  market.
Therefore,  increased  participation  by  speculators  in the futures market may
cause temporary price distortions.  Because of the possibility of distortion,  a
correct  forecast  of  securities  price  trends by Bankers  Trust may still not
result in a successful transaction.

      In addition,  futures  contracts  entail  risks.  Although  Bankers  Trust
believes  that use of such  contracts  will  benefit the  Portfolio,  if Bankers
Trust's  investment  judgment  about  the  general  direction  of the  Index  is
incorrect,  the Portfolio's  overall  performance would be poorer than if it had
not entered into any such  contract.  For example,  if the  Portfolio has hedged
against the possibility of a decrease in the Index which would adversely  affect
the value of securities  held in its portfolio and  securities  prices  increase
instead,  the  Portfolio  will lose part or all of the benefit of the  increased
value of its  securities  which it has hedged  because  it will have  offsetting
losses  in its  futures  positions.  In  addition,  in such  situations,  if the
Portfolio  has  insufficient  cash,  it may  have to sell  securities  from  its
portfolio to meet daily variation margin requirements.  Such sales of securities
may be, but will not  necessarily  be, at  increased  prices  which  reflect the
rising market.  The Portfolio may have to sell  securities at a time when it may
be disadvantageous to do so.

      Options on Index Futures  Contracts.  The Portfolio may purchase and write
options on futures  contracts with respect to the Index.  The purchase of a call
option on an index futures  contract is similar in some respects to the purchase
of a call  option on such an  index.  Depending  on the  pricing  of the  option
compared to either the price of the futures  contract  upon which it is based or
the price of the  underlying  securities,  it may or may not be less  risky than
ownership of the futures contract or underlying securities. As with the purchase
of futures contracts, when the Portfolio is not fully invested it may purchase a
call option on a futures contract to hedge against a market advance.

      The writing of a call  option on a futures  contract  with  respect to the
Index  constitutes a partial hedge against  declining  prices of the  underlying
securities which are deliverable upon exercise of the futures  contract.  If the
futures  price at  expiration  of the option is below the  exercise  price,  the
Portfolio  will retain the full amount of the option  premium  which  provides a
partial  hedge  against any decline  that may have  occurred in the  Portfolio's
holdings. The writing of a put option on an index futures contract constitutes a
partial hedge against  increasing prices of the underlying  securities which are
deliverable  upon  exercise of the  futures  contract.  If the futures  price at
expiration of the option is higher than the exercise  price,  the Portfolio will
retain the full  amount of the option  premium  which  provides a partial  hedge
against any increase in the price of securities  which the Portfolio  intends to
purchase.  If a put or call option the Portfolio  has written is exercised,  the
Portfolio  will incur a loss which will be reduced by the amount of the  premium
it receives. Depending on the degree of correlation between changes in the value
of its portfolio  securities and changes in the value of its futures  positions,
the  Portfolio's  losses from existing  options on futures may to some extent be
reduced or increased by changes in the value of portfolio securities.

      The  purchase of a put option on a futures  contract  with  respect to the
Index is similar in some respects to the purchase of  protective  put options on
the Index.  For  example,  the  Portfolio  may purchase a put option on an index
futures contract to hedge against the risk of lowering securities values.

      The amount of risk the Portfolio  assumes when it purchases an option on a
futures  contract  with  respect to the Index is the premium paid for the option
plus related  transaction  costs. In addition to the correlation risks discussed
above, the purchase of an option also entails the risk that changes in the value
of the underlying  futures  contract will not be fully reflected in the value of
the option purchased.

      The Board of Trustees of the  Portfolio has adopted the  requirement  that
index futures  contracts and options on index futures contracts be used only for
cash management purposes as a hedge and not for speculation.  The Portfolio will
not enter  into any  futures  contracts  or  options  on  futures  contracts  if
immediately  thereafter  the  amount  of  margin  deposits  on all  the  futures
contracts of the Portfolio and premiums paid on  outstanding  options on futures
contracts  owned by the  Portfolio  would  exceed 5% of the market  value of the
total assets of the Portfolio.


                                        6

<PAGE>

      Options on Securities Indices. The Portfolio may write (sell) covered call
and put options to a limited extent on the Index (covered options) in an attempt
to increase  income.  Such  options  give the holder the right to receive a cash
settlement  during the term of the option based upon the difference  between the
exercise price and the value of the index. The Portfolio may forego the benefits
of  appreciation on the Index or may pay more than the market price of the Index
pursuant to call and put options written by the Portfolio.

      By writing a covered call option, the Portfolio foregoes,  in exchange for
the premium less the commission (net premium),  the opportunity to profit during
the option  period from an  increase in the market  value of the Index above the
exercise price. By writing a covered put option, the Portfolio,  in exchange for
the net premium  received,  accepts the risk of a decline in the market value of
the Index below the exercise price.

      The Portfolio may terminate its  obligation as the writer of a call or put
option by purchasing an option with the same exercise price and expiration  date
as the option previously written.

      When the  Portfolio  writes an option,  an amount equal to the net premium
received  by  the  Portfolio  is  included  in  the  liability  section  of  the
Portfolio's Statement of Assets and Liabilities as a deferred credit. The amount
of the  deferred  credit  will be  subsequently  marked to market to reflect the
current market value of the option written. The current market value of a traded
option is the last sale price or, in the absence of a sale, the mean between the
closing bid and asked price.  If an option expires on its stipulated  expiration
date  or if the  Portfolio  enters  into a  closing  purchase  transaction,  the
Portfolio  will  realize  a gain  (or  loss if the  cost of a  closing  purchase
transaction  exceeds the  premium  received  when the option was sold),  and the
deferred  credit related to such option will be eliminated.  If a call option is
exercised,  the  Portfolio  will  realize  a gain or loss  from  the sale of the
underlying  security  and the  proceeds  of the sale  will be  increased  by the
premium originally  received.  The writing of covered call options may be deemed
to  involve  the  pledge of the  securities  against  which the  option is being
written. Securities against which call options are written will be segregated on
the books of the custodian for the Portfolio.

      The  Portfolio  may  purchase  call  and put  options  on the  Index.  The
Portfolio  would normally  purchase a call option in anticipation of an increase
in the market value of the Index.  The  purchase of a call option would  entitle
the  Portfolio,  in exchange for the premium  paid,  to purchase the  underlying
securities at a specified  price during the option period.  The Portfolio  would
ordinarily  have a gain if the  value  of the  securities  increased  above  the
exercise  price  sufficiently  to cover the premium and would have a loss if the
value of the  securities  remained  at or below the  exercise  price  during the
option period.

      The Portfolio  would normally  purchase put options in  anticipation  of a
decline in the market value of the Index  (protective  puts).  The purchase of a
put option would  entitle the  Portfolio,  in exchange for the premium  paid, to
sell the  underlying  securities at a specified  price during the option period.
The purchase of protective  puts is designed merely to offset or hedge against a
decline  in the  market  value of the  Index.  The  Portfolio  would  ordinarily
recognize a gain if the value of the Index  decreased  below the exercise  price
sufficiently to cover the premium and would recognize a loss if the value of the
Index remained at or above the exercise price.  Gains and losses on the purchase
of protective put options would tend to be offset by  countervailing  changes in
the value of the Index.

      The Portfolio has adopted certain other nonfundamental policies concerning
option  transactions  which are discussed below.  The Portfolio's  activities in
index options may also be restricted by the requirements of the Internal Revenue
Code of 1986, as amended (the Code), for qualification as a regulated investment
company.

      The hours of trading for options on the Index may not conform to the hours
during which the underlying securities are traded. To the extent that the option
markets  close  before the markets for the  underlying  securities,  significant
price and rate  movements can take place in the  underlying  securities  markets
that cannot be reflected in the option markets.  It is impossible to predict the
volume of trading that may exist in such options,  and there can be no assurance
that viable exchange markets will develop or continue.

      Because options on securities  indices require settlement in cash, Bankers
Trust  may be  forced  to  liquidate  portfolio  securities  to meet  settlement
obligations.

                                        7

<PAGE>

                             INVESTMENT RESTRICTIONS

Certain investment  restrictions of the Fund and the Portfolio have been adopted
as  fundamental  policies  of the  Fund or  Portfolio,  as the  case  may be.  A
fundamental  policy may not be changed without the approval of a majority of the
outstanding  voting  securities  of the Fund or  Portfolio,  as the case may be.
Majority of the outstanding voting securities under the 1940 Act, and as used in
this  SAI  and  the  Prospectus,  means,  the  lesser  of (1) 67% or more of the
outstanding  voting  securities  of the Fund or  Portfolio,  as the case may be,
present at a meeting,  if the holders of more than 50% of the outstanding voting
securities  of the  Fund or  Portfolio,  as the  case  may be,  are  present  or
represented by proxy or (2) more than 50% of the outstanding  voting  securities
of the Fund or Portfolio,  as the case may be. Whenever the Company is requested
to vote on a  fundamental  policy  of the  Portfolio,  the  Company  will hold a
meeting of the Fund's  shareholders  and will cast its vote as instructed by the
Fund's  shareholders.  The percentage of the Company's votes  representing  Fund
shareholders  not voting  will be voted by the  Directors  of the Company in the
same proportion as the Fund shareholders who do, in fact, vote.

      As a matter  of  fundamental  policy,  the Fund  may not  (except  that no
investment  restriction of the Fund shall prevent the Fund from investing all of
its investable assets in an open-end  investment  company with substantially the
same investment objective):

 (1)  With respect to 75% of its total  assets,  purchase the  securities of any
      issuer (except U.S. Government Securities,  as such term is defined in the
      1940 Act) if, as a result,  it would own more than 10% of the  outstanding
      voting  securities  of such  issuer  or it would  have more than 5% of the
      value of its total assets invested in the securities of such issuer.

 (2)  Borrow money,  except for temporary or emergency purposes in an amount not
      exceeding 33 1/3% of its total assets (including the amount borrowed) less
      liabilities (other than borrowings).

 (3)  Concentrate its investments in any one industry  although it may invest up
      to 25% of the value of its total  assets  in any one  industry;  provided,
      this limitation  does not apply to securities  issued or guaranteed by the
      U.S. Government and its agencies or instrumentalities.

 (4)  Issue senior securities, except as permitted under the 1940 Act.

 (5)  Underwrite  securities of other issuers,  except to the extent that it may
      be deemed to act as a statutory  underwriter  in the  distribution  of any
      restricted securities or not readily marketable securities.

 (6)  Lend any securities or make any loan if, as a result,  more than 331/3% of
      its  total  assets  would  be lent to  other  parties,  except  that  this
      limitation does not apply to purchases of debt securities or to repurchase
      agreements.

      As a matter of fundamental policy, the Portfolio may not:

   
 (1)  borrow money or mortgage or hypothecate  assets of the  Portfolio,  except
      that  in an  amount  not  to  exceed  1/3  of  the  current  value  of the
      Portfolio's  assets,  it may  borrow  money  as a  temporary  measure  for
      extraordinary  or emergency  purposes  and enter into  reverse  repurchase
      agreements  or dollar  roll  transactions,  and except that it may pledge,
      mortgage  or  hypothecate  not more than 1/3 of such assets to secure such
      borrowings  (it is intended  that money would be borrowed  only from banks
      and only either to  accommodate  requests for the withdrawal of beneficial
      interests (redemption of shares) while effecting an orderly liquidation of
      portfolio  securities  or  to  maintain  liquidity  in  the  event  of  an
      unanticipated  failure to complete a  portfolio  security  transaction  or
      other similar situations) or reverse repurchase agreements,  provided that
      collateral  arrangements  with respect to options and  futures,  including
      deposits of initial  deposit and variation  margin,  are not  considered a
      pledge of assets for purposes of this  restriction  and except that assets
      may be pledged  to secure  letters  of credit  solely  for the  purpose of
      participating in a captive  insurance  company sponsored by the Investment
      Company  Institute;  for additional related  restrictions,  see clause (1)
      under  the  caption  "Additional  Restrictions"  below.  (As an  operating
      policy, the Portfolio may not engage in dollar roll transactions);
    

 (2)  underwrite  securities  issued  by other  persons  except  insofar  as the
      Portfolio may  technically be deemed an underwriter  under the 1933 Act in
      selling a portfolio security;

   
 (3)  make  loans to other  persons  except:  (a)  through  the  lending  of the
      Portfolio's  portfolio  securities  and  provided  that any such loans not
      exceed 30% of the  Portfolio's  net assets  (taken at market  value);  (b)
      through the use of  repurchase  agreements  or the purchase of  short-term
      obligations; or (c) by purchasing a portion of an issue of debt securities
      of types distributed publicly or privately;
    

                                        8

<PAGE>

 (4)  purchase or sell real estate (including limited partnership  interests but
      excluding  securities  secured  by  real  estate  or  interests  therein),
      interests  in  oil,  gas  or  mineral  leases,  commodities  or  commodity
      contracts  (except futures and option contracts) in the ordinary course of
      business (except that the Portfolio may hold and sell, for the Portfolio's
      portfolio,  real estate acquired as a result of the Portfolio's  ownership
      of securities);

 (5)  concentrate its investments in any particular industry (excluding U.S. 
      Government securities), but if it is deemed appropriate for the
      achievement of a Portfolio's investment objective, up to 25% of its total
      assets may be invested in any one industry; and

 (6)  issue any  senior  security  (as that term is  defined in the 1940 Act) if
      such issuance is specifically  prohibited by the 1940 Act or the rules and
      regulations promulgated thereunder,  provided that collateral arrangements
      with respect to options and futures, including deposits of initial deposit
      and variation  margin,  are not  considered to be the issuance of a senior
      security for purposes of this restriction.

   
      Additional  Restrictions.  In order to comply with  certain  statutes  and
policies,  the Fund and the Portfolio  will not as a matter of operating  policy
(except that no operating  policy shall  prevent the Fund from  investing all of
its investable assets in an open-end  investment  company with substantially the
same investment objective):
    

 (1)  borrow money (including  through dollar roll transactions) for any purpose
      in excess of 10% of the Fund's (Portfolio's) total assets (taken at cost),
      except that the Fund  (Portfolio)  may borrow for  temporary  or emergency
      purposes up to 1/3 of its total assets;

 (2)  pledge,  mortgage or  hypothecate  for any purpose in excess of 10% of the
      Fund's  (Portfolio's) total assets (taken at market value),  provided that
      collateral  arrangements  with respect to options and  futures,  including
      deposits of initial deposit and variation margin,  and reverse  repurchase
      agreements  are not  considered  a pledge of assets for  purposes  of this
      restriction;

 (3)  purchase  any security or evidence of interest  therein on margin,  except
      that such  short-term  credit as may be  necessary  for the  clearance  of
      purchases and sales of securities may be obtained and except that deposits
      of initial deposit and variation margin may be made in connection with the
      purchase, ownership, holding or sale of futures;

 (4)  sell any security  which it does not own unless by virtue of its ownership
      of  other  securities  it has at the  time  of  sale  a  right  to  obtain
      securities,  without payment of further consideration,  equivalent in kind
      and  amount to the  securities  sold and  provided  that if such  right is
      conditional the sale is made upon the same conditions;

 (5)  invest for the purpose of exercising control or management;

 (6)  purchase securities issued by any investment company except by purchase in
      the open  market  where no  commission  or profit  to a sponsor  or dealer
      results from such purchase other than the customary  broker's  commission,
      or except when such purchase,  though not made in the open market, is part
      of a plan of merger or consolidation;  provided,  however, that securities
      of any investment  company will not be purchased for the Fund  (Portfolio)
      if such purchase at the time thereof would cause: (a) more than 10% of the
      Fund's  (Portfolio's) total assets (taken at the greater of cost or market
      value) to be invested in the securities of such issuers;  (b) more than 5%
      of the Fund's  (Portfolio's) total assets (taken at the greater of cost or
      market value) to be invested in any one  investment  company;  or (c) more
      than 3% of the outstanding voting securities of any such issuer to be held
      for the Fund (Portfolio); and provided further that, except in the case of
      merger or  consolidation,  the Fund  (Portfolio)  shall not  invest in any
      other open-end investment company unless the Fund (Portfolio),  (i) waives
      the  investment  advisory  fee with  respect to assets  invested  in other
      open-end  investment   companies  and  (ii)  incurs  no  sales  charge  in
      connection with the investment (as an operating policy, the Portfolio will
      not invest in another open-end registered investment company);

 (7)  invest more than 15% of the Fund's (Portfolio's) net assets (taken at the 
      greater of cost or market value)in securities that are illiquid or not 
      readily marketable not including (a) Rule 144A securities that have been
      determined to be liquid by the Board of Directors/Trustees; and (b) 
      commercial paper that is sold under section 4(2) of the 1933 Act which: 
      (i) is not traded flat or in default as to interest or principal; and
      (ii) is rated in one of the two highest categories by at least two
      nationally recognized statistical rating organizations (NRSROs) and the
      Fund's (Portfolio's) Board of Directors/Trustees have determined the
      commercial paper to be liquid; or (iii) is rated in one of the two
      highest categories by one NRSRO and the Fund's (Portfolio's) Board of
      Directors/Trustees have determined that the commercial paper is 
      equivalent quality and is liquid;


                                        9

<PAGE>

 (8)  invest more than 10% of the Fund's  (Portfolio's)  total assets  (taken at
      the greater of cost or market value) in securities  that are restricted as
      to resale  under the 1933 Act  (other  than  Rule 144A  securities  deemed
      liquid by the Fund's (Portfolio's) Board of Directors/Trustees);

 (9)  no more than 5% of the Fund's  (Portfolio's)  total assets are invested in
      securities issued by issuers which (including  predecessors)  have been in
      operation less than three years;

(10)  with respect to 75% of the Fund's  (Portfolio's)  total  assets,  purchase
      securities  of any issuer if such purchase at the time thereof would cause
      the Fund  (Portfolio)  to hold more than 10% of any class of securities of
      such issuer,  for which  purposes all  indebtedness  of an issuer shall be
      deemed a single class and all preferred stock of an issuer shall be deemed
      a single  class,  except  that  futures or option  contracts  shall not be
      subject to this restriction;

(11)  if the Fund (Portfolio) is a diversified fund with respect to 75% of its
      assets, invest more than 5% of its total assets in the securities
      (excluding U.S. Government securities) of any one issuer;

(12)  purchase or retain in the Fund's  (Portfolio's)  portfolio any  securities
      issued by an issuer any of whose officers, directors, trustees or security
      holders  is an officer  or  Director  of the  Company  (or  Trustee of the
      Portfolio), or is an officer or partner of the Manager (or Bankers Trust),
      if after  the  purchase  of the  securities  of such  issuer  for the Fund
      (Portfolio) one or more of such persons owns beneficially more than 1/2 of
      1% of the shares or  securities,  or both,  all taken at market value,  of
      such issuer, and such persons owning more than 1/2 of 1% of such shares or
      securities  together  own  beneficially  more  than 5% of such  shares  or
      securities, or both, all taken at market value;

(13)  invest  more than 5% of the Fund's  (Portfolio's)  net assets in  warrants
      (valued at the lower of cost or market),  (other than warrants acquired by
      the Fund  [Portfolio]  as part of a unit or attached to  securities at the
      time of purchase),  but not more than 2% of the Fund's  (Portfolio's)  net
      assets may be invested in warrants  not listed on the NYSE or the American
      Stock Exchange;

(14)  make short sales of securities or maintain a short position, unless at all
      times  when a short  position  is open it  owns an  equal  amount  of such
      securities or securities convertible into or exchangeable, without payment
      of any further  consideration,  for securities of the same issue and equal
      in amount to, the securities  sold short,  and unless not more than 10% of
      the Fund's (Portfolio's) net assets (taken at market value) is represented
      by such  securities,  or securities  convertible  into or exchangeable for
      such  securities,  at any one time (the Fund  [Portfolio]  has no  current
      intention to engage in short selling);

(15)  write puts and calls on securities unless each of the following conditions
      are  met:  (a) the  security  underlying  the put or  call is  within  the
      investment  policies of the Fund  (Portfolio)  and the option is issued by
      the Options Clearing  Corporation,  except for put and call options issued
      by  non-U.S.  entities  or listed on non-U.S.  securities  or  commodities
      exchanges;  (b) the aggregate value of the obligations underlying the puts
      determined as of the date the options are sold shall not exceed 50% of the
      Fund's  (Portfolio's)  net  assets;  (c)  the  securities  subject  to the
      exercise of the call written by the Fund  (Portfolio) must be owned by the
      Fund  (Portfolio)  at the time the  call is sold and must  continue  to be
      owned by the Fund  (Portfolio)  until  the  call has been  exercised,  has
      lapsed,  or the Fund  (Portfolio)  has purchased a closing call,  and such
      purchase   has  been   confirmed,   thereby   extinguishing   the   Fund's
      (Portfolio's) obligation to deliver securities pursuant to the call it has
      sold;  and  (d)  at  the  time  a put is  written,  the  Fund  (Portfolio)
      establishes a segregated account with its custodian  consisting of cash or
      short-term  U.S.  Government  securities  equal in value to the amount the
      Fund  (Portfolio)  will be obligated to pay upon exercise of the put (this
      account must be maintained until the put is exercised, has expired, or the
      Fund  (Portfolio)  has purchased a closing put, which is a put of the same
      series as the one previously written); and

(16)  buy and sell puts and calls on securities,  stock index futures or options
      on stock  index  futures,  or  financial  futures or options on  financial
      futures  unless such  options are written by other  persons  and:  (a) the
      options  or futures  are  offered  through  the  facilities  of a national
      securities   association  or  are  listed  on  a  national  securities  or
      commodities  exchange,  except for put and call options issued by non-U.S.
      entities or listed on non-U.S.  securities or commodities  exchanges;  (b)
      the aggregate premiums paid on all such options which are held at any time
      do not exceed 20% of the Fund's  (Portfolio's)  total net assets;  and (c)
      the  aggregate  margin  deposits  required on all such  futures or options
      thereon  held at any time do not  exceed  5% of the  Fund's  (Portfolio's)
      total assets.

         

                                       10

<PAGE>

                PORTFOLIO TRANSACTIONS AND BROKERAGE COMMISSIONS

Bankers Trust is responsible for decisions to buy and sell  securities,  futures
contracts  and options on such  securities  and futures for the  Portfolio,  the
selection  of  brokers,  dealers  and  futures  commission  merchants  to effect
transactions   and  the   negotiation   of   brokerage   commissions,   if  any.
Broker-dealers  may receive  brokerage  commissions  on portfolio  transactions,
including options,  futures and options on futures transactions and the purchase
and sale of underlying  securities  upon the exercise of options.  Orders may be
directed to any broker-dealer or futures commission  merchant,  including to the
extent and in the manner  permitted  by  applicable  law,  Bankers  Trust or its
subsidiaries or affiliates.  Purchases and sales of certain portfolio securities
on behalf of the  Portfolio  are  frequently  placed by  Bankers  Trust with the
issuer or a primary or  secondary  market-maker  for these  securities  on a net
basis,  without any brokerage  commission  being paid by the Portfolio.  Trading
does, however,  involve transaction costs.  Transactions with dealers serving as
market-makers  reflect the spread between the bid and asked prices.  Transaction
costs  may  also  include  fees  paid to third  parties  for  information  as to
potential purchasers or sellers of securities.  Purchases of underwritten issues
may be made which will include an underwriting fee paid to the underwriter.

      Bankers  Trust  seeks  to  evaluate  the  overall  reasonableness  of  the
brokerage  commissions paid (to the extent applicable) in placing orders for the
purchase  and sale of  securities  for the  Portfolio  taking into  account such
factors as price,  commission  (negotiable  in the case of  national  securities
exchange transactions), if any, size of order, difficulty of execution and skill
required of the executing  broker-dealer  through  familiarity  with commissions
charged on comparable transactions,  as well as by comparing commissions paid by
the Portfolio to reported commissions paid by others. Bankers Trust reviews on a
routine basis commission  rates,  execution and settlement  services  performed,
making internal and external comparisons.

      Bankers  Trust  is  authorized,  consistent  with  Section  28(e)  of  the
Securities Exchange Act of 1934, as amended, when placing portfolio transactions
for the  Portfolio  with a broker to pay a brokerage  commission  (to the extent
applicable)  in excess of that  which  another  broker  might have  charged  for
effecting the same transaction on account of the receipt of research,  market or
statistical information.  The term "research, market or statistical information"
includes advice as to the value of securities; the advisability of investing in,
purchasing or selling  securities;  the availability of securities or purchasers
or sellers  of  securities;  and  furnishing  analyses  and  reports  concerning
issuers, industries, securities, economic factors and trends, portfolio strategy
and the performance of accounts.

      Consistent with the policy stated above, the Rules of Fair Practice of the
National Association of Securities Dealers,  Inc. and such other policies as the
Trustees of the Portfolio  may  determine,  Bankers Trust may consider  sales of
shares of any  investment  company that invests in the  Portfolio as a factor in
the selection of broker-dealers to execute portfolio transactions. Bankers Trust
will make such  allocations  if  commissions  are comparable to those charged by
nonaffiliated, qualified broker-dealers for similar services.

      Higher  commissions may be paid to firms that provide research services to
the extent permitted by law. Bankers Trust may use this research  information in
managing the Portfolio's assets, as well as the assets of other clients.

      Except for implementing  the policies stated above,  there is no intention
to place portfolio  transactions  with  particular  brokers or dealers or groups
thereof. In effecting  transactions in over-the-counter  securities,  orders are
placed with the principal  market-makers  for the security  being traded unless,
after  exercising  care,  it appears that more  favorable  results are available
otherwise.

      Although certain research, market and statistical information from brokers
and  dealers  can be useful to the  Portfolio  and to Bankers  Trust,  it is the
opinion  of the  management  of the  Portfolio  that  such  information  is only
supplementary to Bankers Trust's own research effort, since the information must
still  be  analyzed,  weighed  and  reviewed  by  Bankers  Trust's  staff.  Such
information  may be useful to Bankers  Trust in  providing  services  to clients
other  than the  Portfolio's,  and not all such  information  is used by Bankers
Trust in connection with the Portfolio. Conversely, such information provided to
Bankers Trust by brokers and dealers through whom other clients of Bankers Trust
effect  securities  transactions  may be useful to  Bankers  Trust in  providing
services to the Portfolio.

      In certain  instances  there may be securities  which are suitable for the
Portfolio  as  well  as for  one or  more  of  Bankers  Trust's  other  clients.
Investment decisions for the Portfolio and for Bankers Trust's other clients are
made with a view to achieving their  respective  investment  objectives.  It may
develop  that a  particular  security is bought or sold for only one client even
though it might be held by, or bought or sold for,  other clients.  Likewise,  a
particular  security  may be  bought  for one or more  clients  when one or more
clients are selling  that same  security.  Some  simultaneous  transactions  are
inevitable when several clients receive


                                       11

<PAGE>

investment advice from the same investment  adviser,  particularly when the same
security is suitable for the investment objectives of more than one client. When
two or more  clients are  simultaneously  engaged in the purchase or sale of the
same security,  the securities are allocated  among clients in a manner believed
to be equitable to each. It is  recognized  that in some cases this system could
have a  detrimental  effect on the price or volume of the security as far as the
Portfolio  in  concerned.  However,  it is  believed  that  the  ability  of the
Portfolio to participate in volume  transactions  will produce better executions
for the Portfolio.

   
      For the years ended December 31, 1996,  1995, and 1994, the Portfolio paid
brokerage  commissions  in  the  amount  of  $289,791,  $172,924,  and  $97,069,
respectively.
    


                          FURTHER DESCRIPTION OF SHARES

The Company is  authorized  to issue shares in separate  series or Funds.  Eight
such Funds have been  established,  one of which is described in this SAI. Under
the Articles of  Incorporation,  the Board of Directors is  authorized to create
new Funds in addition to those already existing without shareholder approval.

      The assets of the Fund and all income,  earnings,  profits,  and  proceeds
thereof,  subject only to the rights of creditors, are specifically allocated to
such Fund. They constitute the underlying assets of the Fund, are required to be
segregated  on the books of account,  and are to be charged with the expenses of
such Fund.  Any general  expenses of the  Company  not readily  identifiable  as
belonging to a particular Fund are allocated on the basis of the Funds' relative
net  assets  during  the  fiscal  year  or in such  other  manner  as the  Board
determines to be fair and equitable. Each share of each Fund represents an equal
proportionate  interest  in that Fund with every  other share and is entitled to
such  dividends  and  distributions  out of the net  income  and  capital  gains
belonging to that Fund when declared by the Board of Directors.

      Under the  provisions of the Bylaws of the Company,  no annual  meeting of
shareholders is required.  Thus, there will ordinarily be no shareholder meeting
unless  required  by  the  1940  Act.  Under  certain  circumstances,   however,
shareholders may apply for shareholder information in order to obtain signatures
to request a special shareholder  meeting.  Moreover,  pursuant to the Bylaws of
the Company,  any Director may be removed by the affirmative  vote of a majority
of the outstanding Company shares; and holders of 10% or more of the outstanding
shares of the Company can require  Directors  to call a meeting of  shareholders
for the purpose of voting on the removal of one or more Directors. On any matter
submitted to the shareholders,  the holder of each Fund share is entitled to one
vote per share (with  proportionate  voting for fractional shares) regardless of
the  relative  NAVs of the  Funds'  shares.  However,  on matters  affecting  an
individual  Fund, a separate vote of the  shareholders of that Fund is required.
Shareholders  of the Fund are not  entitled to vote on any matter which does not
affect that Fund but which  requires a separate vote of another Fund.  Shares do
not have cumulative voting rights,  which means that holders of more than 50% of
the shares  voting for the election of Directors can elect 100% of the Company's
Board of  Directors,  and the holders of less than 50% of the shares  voting for
the election of Directors will not be able to elect any person as a Director.

      Shareholders of a particular Fund might have the power to elect all of the
Directors  of the  Company  because  that  Fund  has a  majority  of  the  total
outstanding  shares of the Company.  When issued,  each Fund's  shares are fully
paid and  nonassessable,  have no pre-emptive or  subscription  rights,  and are
fully transferable. There are no conversion rights.

                                       12

<PAGE>

                               TAX CONSIDERATIONS

The Fund intends to qualify as a regulated investment company under Subchapter M
of the Code.  Accordingly,  the Fund will not be liable for federal income taxes
on its taxable net  investment  income and net capital gains  (capital  gains in
excess of capital  losses) that are distributed to  shareholders,  provided that
the  Fund  distributes  at  least  90% of its  net  investment  income  and  net
short-term capital gain for the taxable year.

      To qualify as a regulated  investment company,  the Fund must, among other
things,  (1) derive in each  taxable  year at least 90% of its gross income from
dividends,  interest,  payments with respect to securities loans, gains from the
sale or other disposition of stock,  securities or foreign currencies,  or other
income  derived  with  respect  to its  business  of  investing  in such  stock,
securities,  or currencies (the 90% test);  (2) derive in each taxable year less
than 30% of its  gross  income  from the sale or other  disposition  of stock or
securities  held less than three months (the 30% test);  and (3) satisfy certain
diversification requirements, at the close of each quarter of the Fund's taxable
year.

      The Code imposes a nondeductible  4% excise tax on a regulated  investment
company that fails to  distribute  during each  calendar year an amount at least
equal  to the  sum of (1)  98% of its  taxable  net  investment  income  for the
calendar  year,  (2) 98% of its  capital  gain net income  for the  twelve-month
period ending on October 31, and (3) any prior amounts not distributed. The Fund
intends to make such  distributions  as are necessary to avoid imposition of the
excise tax.

      Taxable  distributions  are generally  included in a  shareholder's  gross
income for the taxable year in which they are  received.  Dividends  declared in
October,  November,  or December and made payable to  shareholders  of record in
such a month will be deemed to have been  received on  December  31, if the Fund
pays the dividend  during the following  January.  If a shareholder  of the Fund
receives a distribution taxable as long-term capital gain with respect to shares
of the Fund and redeems or exchanges the shares before he has held them for more
than six months,  any loss on the  redemption or exchanges  that is less than or
equal to the amount of the  distribution  will be treated as  long-term  capital
loss.

      The Portfolio is not subject to federal income taxation. Instead, the Fund
and other  investors  investing  in the  Portfolio  must take into  account,  in
computing  their federal  income tax liability,  their share of the  Portfolio's
income,  gains,  losses,  deductions,  credits and tax preference items, without
regard to whether they have received any cash distributions from the Portfolio.

      Distributions  received by the Fund from the Portfolio  generally will not
result  in the  Fund's  recognizing  any gain or loss  for  federal  income  tax
purposes,  except that:  (1) gain will be recognized to the extent that any cash
distributed  exceeds the Fund's basis in its interest in the Portfolio  prior to
the distribution; (2) income or gain may be realized if the distribution is made
in  liquidation  of the Fund's  entire  interest in the Portfolio and includes a
disproportionate share of any unrealized receivables held by the Portfolio;  and
(3) loss may be recognized if the  distribution  is made in  liquidation  of the
Fund's  entire  interest in the  Portfolio  and  consists  solely of cash and/or
unrealized  receivables.  The  Fund's  basis in its  interest  in the  Portfolio
generally  will equal the amount of cash and the basis of any property which the
Fund invests in the Portfolio,  increased by the Fund's share of income from the
Portfolio,  and decreased by the amount of any cash  distributions and the basis
of any property distributed from the Portfolio.

      Any  gain or  loss  realized  by a  shareholder  upon  the  sale or  other
disposition of shares of the Fund, or upon receipt of a distribution in complete
liquidation of the Fund,  generally will be a capital gain or loss which will be
long-term or  short-term,  generally  depending upon the  shareholder's  holding
period  for  the  shares.  Any  loss  realized  on a sale  or  exchange  will be
disallowed to the extent the shares disposed of are replaced  (including  shares
acquired  pursuant to a dividend  reinvestment  plan) within a period of 61 days
beginning 30 days before and ending 30 days after  disposition of the shares. In
such a case,  the basis of the shares  acquired  will be adjusted to reflect the
disallowed  loss.  Any loss realized by a shareholder on a disposition of shares
held by the  shareholder  for six months or less will be treated as a  long-term
capital loss to the extent of any distributions of net capital gains received by
the shareholder with respect to such shares.


                                       13

<PAGE>

                      DIRECTORS AND OFFICERS OF THE COMPANY

The Board of Directors  of the Company  consists of seven  Directors.  Set forth
below are the Directors and officers of the Company,  their  respective  offices
and  principal   occupations  during  the  last  five  years.  Unless  otherwise
indicated, the business address of each is 9800 Fredericksburg Rd., San Antonio,
TX 78288.

   
Robert G. Davis 1, 2
Director and Chairman of the Board of Directors
Age: 50

President,  Chief Executive Officer,  Director and Vice Chairman of the Board of
Directors  of USAA  Capital  Corporation  and  several of its  subsidiaries  and
affiliates (12/96-present);  Director, Vice Chairman,  Executive Vice President,
and  Chief   Operating   Officer,   USAA  Financial   Planning   Network,   Inc.
(9/96-Present);  Special  Assistant  to  Chairman,  United  Services  Automobile
Association (USAA) (6/96-12/96); President and Chief Executive Officer, Banc One
Credit Corporation (12/95-6/96); and President and Chief Executive Officer, Banc
One Columbus,  (8/91-12/95).  Mr. Davis also serves as a Trustee and Chairman of
the Board of Trustees of USAA Investment Trust and USAA State Tax-Free Trust and
as a  Director  and  Chairman  of the  Boards of  Directors  of USAA  Investment
Management Company (IMCO),  USAA Tax Exempt Fund, Inc., USAA Shareholder Account
Services, USAA Federal Savings Bank and USAA Real Estate Company.
    

Michael J.C. Roth 1, 2
Director, President and Vice Chairman of the Board of Directors
Age: 55

Chief Executive  Officer,  IMCO  (10/93-present);  President,  Director and Vice
Chairman  of the Board of  Directors,  IMCO  (1/90-present).  Mr. Roth serves as
President,  Trustee  and  Vice  Chairman  of the  Boards  of  Trustees  of  USAA
Investment Trust and USAA State Tax-Free Trust, as President,  Director and Vice
Chairman  of the Boards of  Directors  of USAA Tax Exempt  Fund,  Inc.  and USAA
Shareholder Account Services,  as Director of USAA Life Insurance Company and as
Trustee and Vice Chairman of USAA Life Investment Trust.

John W. Saunders, Jr. 1, 2, 4
Director and Vice President

   
Age: 62

Senior  Vice  President,   Investments,  IMCO  (10/85-present);   Director,  BHC
Financial, Inc. and BHC Securities, Inc. (1/87-present).  Mr. Saunders serves as
Trustee and Vice  President  of USAA  Investment  Trust and USAA State  Tax-Free
Trust,  Director and Vice President of USAA Tax Exempt Fund,  Inc.,  Director of
IMCO, as Senior Vice President of USAA Shareholder Account Services, and as Vice
President of USAA Life Investment Trust.
    

Barbara B. Dreeben 3, 4, 5
200 Patterson #1008
San Antonio, TX  78209
Director
Age: 51

   
President, Postal Addvantage (7/92-present); Consultant, Nancy Harkins Stationer
(8/91-12/95).  Mrs. Dreeben serves as a Trustee of USAA Investment Trust and
USAA State Tax-Free Trust and as a Director of USAA Tax Exempt Fund, Inc.
    

Howard L. Freeman, Jr. 2, 3, 4, 5
2710 Hopeton
San Antonio, TX  78230
Director
Age: 61

   
Retired.  Assistant General Manager for Finance, San Antonio City Public Service
Board  (1976-1996).  Mr.Freeman serves as a Trustee of USAA Investment Trust and
USAA State Tax-Free Trust and as a Director of USAA Tax Exempt Fund, Inc.
                                       14
    

<PAGE>

   
Robert L. Mason, Ph.D. 3, 4, 5
12823 Queens Forest
San Antonio, TX  78230
Director
Age: 50

Manager,    Statistical   Analysis   Section,   Southwest   Research   Institute
(8/75-Present).  Dr. Mason serves as a Trustee of USAA Investment Trust and USAA
State Tax-Free Trust and as a Director of USAA Tax Exempt Fund, Inc.
    

Richard A. Zucker 3, 4, 5
407 Arch Bluff
San Antonio, TX  78216
Director
Age: 53

   
Vice President, Beldon Roofing and Remodeling (1985-present).  Mr. Zucker serves
as a Trustee of USAA  Investment  Trust and USAA State  Tax-Free  Trust and as a
Director of USAA Tax Exempt Fund, Inc.
    

Michael D. Wagner 1
Secretary
Age: 48

   
Vice President,  Corporate  Counsel,  USAA  (1982-present).  Mr. Wagner has held
various  positions in the legal department of USAA since 1970 and serves as Vice
President,  Secretary and Counsel,  IMCO and USAA Shareholder  Account Services,
Secretary, USAA Investment Trust, USAA State Tax-Free Trust, and USAA Tax Exempt
Fund,  Inc.  and as Vice  President,  Corporate  Counsel for various  other USAA
subsidiaries and affiliates.
    

Alex M. Ciccone 1
Assistant Secretary
Age: 47

   
Vice  President,  Compliance,  IMCO  (12/94-present);  Vice  President and Chief
Operating Officer,  Commonwealth  Shareholder  Services  (6/94-11/94);  and Vice
President,  Compliance,  IMCO  (12/91-5/94).  Mr.  Ciccone  serves as  Assistant
Secretary of USAA  Investment  Trust,  USAA State Tax-Free  Trust,  and USAA Tax
Exempt Fund, Inc.
    

Sherron A. Kirk 1
Treasurer

   
Age: 52

Vice President,  Controller,  IMCO  (10/92-present);  Vice President,  Corporate
Financial  Analysis,  USAA (9/92- 10/92);  Assistant Vice  President,  Financial
Plans and  Support,  USAA  (8/91-9/92).  Mrs.  Kirk serves as  Treasurer of USAA
Investment Trust, USAA State Tax-Free Trust, and USAA Tax Exempt Fund, Inc., and
as Vice President, Controller of USAA Shareholder Account Services.
    

Dean R. Pantzar 1
Assistant Treasurer
Age: 37

   
Executive  Director,  Mutual Fund Accounting,  IMCO  (10/95-present);  Director,
Mutual Fund Accounting,  IMCO (12/94-10/95);  Senior Manager,  KPMG Peat Marwick
LLP (7/88-12/94).  Mr. Pantzar serves as Assistant  Treasurer of USAA Investment
Trust, USAA State Tax-Free Trust, and USAA Tax Exempt Fund, Inc.
    

- -----------------
 1 Indicates  those  Directors  and officers who are employees of the Manager or
   affiliated  companies and are considered  "interested persons" under the 1940
   Act.
 2 Member of Executive Committee
 3 Member of Audit Committee
 4 Member of Pricing and Investment Committee
 5 Member of Corporate Governance Committee

                                       15

<PAGE>

      Between the meetings of the Board of Directors  and while the Board is not
in session, the Executive Committee of the Board of Directors has all the powers
and may exercise all the duties of the Board of Directors in the  management  of
the  business  of the Company  which may be  delegated  to it by the Board.  The
Pricing and  Investment  Committee of the Board of  Directors  acts upon various
investment-related  issues and other matters which have been  delegated to it by
the Board.  The Audit Committee of the Board of Directors  reviews the financial
statements and the auditor's reports and undertakes certain studies and analyses
as directed by the Board.  The  Corporate  Governance  Committee of the Board of
Directors   maintains   oversight   of  the   organization,   performance,   and
effectiveness of the Board and independent Directors.

   
      In addition to the  previously  listed  Directors  and/or  officers of the
Company  who  also  serve as  Directors  and/or  officers  of the  Manager,  the
following  individuals are Directors and/or  executive  officers of the Manager:
Harry W. Miller, Senior Vice President,  Investments (Equity),  Carl W. Shirley,
Senior Vice President,   Insurance  Company  Portfolios;  and John J. Dallahan,
Senior Vice President,  Investment  Services.  There are no family relationships
among the Directors,  officers, and managerial level employees of the Company or
its Manager.

      The following table sets forth information  describing the compensation of
the current  Directors of the Company for their  services as  Directors  for the
fiscal year ended December 31, 1996.

   Name                                Aggregate            Total Compensation
   of                                 Compensation             from the USAA
Director                            from the Company        Family of Funds (c)
- --------                            -------------------     -------------------
George E. Brown (a)*                    $ 8,808                     $ 32,600
Barbara B. Dreeben                        7,808                       31,600
Howard L. Freeman, Jr.                    8,808                       32,600
Robert G. Davis                            None (b)                    None (b)
Michael J.C. Roth                          None (b)                    None (b)
John W. Saunders, Jr.                      None (b)                    None (b)
Richard A. Zucker                         8,808                       32,600
- ----------------
     *Effective January 1, 1997, Robert L. Mason replaced George E. Brown as a 
      Director on the Board of Directors.  Mr. Brown retired on December 31,
      1996.

(a)  The USAA Family of Funds has accrued deferred compensation for Mr. Brown in
     an amount (plus earnings thereon) of $21,984. The compensation  deferred by
     Mr. Brown pursuant to a non-qualified  Deferred  Compensation  Plan,  under
     which  deferred  amounts   accumulate   interest  quarterly  based  on  the
     annualized  U.S.  Treasury  Bill  rate in  effect  on the  last  day of the
     quarter.  Amounts deferred and accumulated  earnings thereon are not funded
     and are  general  unsecured  liabilities  of the USAA Family of Funds until
     paid.  The  Deferred  Compensation  Plan  was  terminated  in  1988  and no
     compensation has been deferred by any  Director/Trustee  of the USAA Family
     of Funds since the Plan was terminated.

(b)  Robert G. Davis, Michael J.C. Roth, and John W. Saunders, Jr. are 
     affiliated with the Company's investment adviser, IMCO, and, accordingly,
     receive no remuneration from the Company or any other Fund of the USAA
     Family of Funds.

(c)  At December 31, 1996, the USAA Family of Funds consisted of four registered
     investment  companies offering 33 individual funds. Each Director presently
     serves as a  Director  or Trustee  of each  investment  company in the USAA
     Family of Funds.  In addition,  Michael  J.C.  Roth  presently  serves as a
     Trustee of USAA Life  Investment  Trust,  a registered  investment  company
     advised by IMCO,  consisting  of five funds offered to investors in a fixed
     and variable annuity contract with USAA Life Insurance Company. Mr.
     Roth receives no compensation as Trustee of USAA Life Investment Trust.

      All of the above Directors are also  Directors/Trustees of the other funds
for which IMCO serves as investment adviser. No compensation is paid by any fund
to any Director/Trustee  who is a director,  officer, or employee of IMCO or its
affiliates.  No  pension  or  retirement  benefits  are  accrued as part of fund
expenses.  The Company  reimburses certain expenses of the Directors who are not
affiliated with the investment  adviser. As of March 31, 1997 , the officers and
Directors of the Company and their families as a group owned  beneficially or of
record less than 1% of the outstanding shares of the Company.

      As of March 31,  1997,  USAA and its  affiliates  owned  8,165,669  shares
(33.5%) of the USAA S&P 500 Index Fund.

      The Company  knows of no other persons who, as of March 31, 1997 , held of
record  or owned  beneficially  5% or more of the  voting  stock  of the  Fund's
shares.
    
                                       16

<PAGE>

                     TRUSTEES AND OFFICERS OF THE PORTFOLIO
   
The Trustees  and  officers of the  Portfolio  and their  principal  occupations
during the past five years are set forth  below.  Their  titles may have  varied
during that period. Unless otherwise indicated,  the address of each Trustee and
officer  is  Clearing  Operations,  P.O.  Box  897,  Pittsburgh,   Pennsylvania,
15230-0897.

      CHARLES P. BIGGAR (birthdate: October 13, 1930) - Trustee; Retired;
Director of Chase/NBW Bank Advisory Board; Director, Batemen, Eichler, Hill
Richards Inc.; formerly Vice President of International Business Machines and
President of the National Services and the Field Engineering Divisions of IBM.
His address is 12 Hitching Post Lane, Chappaqua, New York 10514.

      PHILIP W. COOLIDGE* (birthdate: September 2, 1951) - Trustee ; Chairman,
Chief Executive Officer and President, Signature Financial Group, Inc. (SFG)
(since December, 1988) and Signature (since April,1989).  His address is 6 St.
James Avenue, Boston, Massachusetts 02116.

      S. LELAND DILL (birthdate: March 28, 1930) - Trustee; Retired; Director, 
Coutts  Group; and Coutts (U.S.A.) International; Coutts Trust Holdings, Ltd;
Director, Zweig Series Trust; formerly Partner of KPMG Peat Marwick; Director,
Vinters International Company, Inc.; General Partner of Pemco (an investment
company registered under the 1940 Act).  His address is 5070 North Ocean Drive,
Singer Island, Florida 33404.

      PHILIP SAUNDERS, JR. (birthdate:  October 11, 1935) - Trustee;  Principal,
Philip Saunders Associates  (Consulting);  former Director of Financial Industry
Consulting,  Wolf & Company;  President, John Hancock Home Mortgage Corporation;
and Senior Vice  President  of Treasury  and  Financial  Services,  John Hancock
Mutual  Life  Insurance  Company,  Inc.  His  address is 445 Glen Road,  Weston,
Massachusetts 02193.

      RONALD  M.  PETNUCH  (birthdate:   February  27,  1960)  -  President  and
Treasurer;  Senior  Vice  President;  Federated  Services  Company  ;  formerly,
Director of Proprietary Client Services, Federated Administrative Services 
(FAS),and Associate Corporate Counsel, Federated Investors (FI).

      CHARLES L. DAVIS, JR.  (birthdate: March 23, 1960)- Vice President and
Assistant Treasurer; Vice President, FAS.

      JAY S. NEUMAN (birthdate: April 22, 1950) - Secretary; Corporate Counsel,
 FI.

*Mr. Coolidge,  by virtue of his current or former positions,  is deemed to
 be an "interested  person" of the Equity 500 Index Portfolio as defined by
 the 1940 Act.

No person  who is an  officer  or  director  of  Bankers  Trust is an officer or
Trustee of the Portfolio. No director, officer or employee of Edgewood or any of
its affiliates will receive any  compensation  from the Portfolio for serving as
an officer or Trustee of the Portfolio and certain  other  investment  companies
advised by Bankers Trust (the Fund Complex).

      The  following  table  reflects fees paid to the Trustees of the Portfolio
for the year ended December 31, 1996.

                           TRUSTEE COMPENSATION TABLE

                                    Aggregate             Total Compensation
Name of Person,                     Compensation          from Fund Complex
Position                            from Portfolio        Paid to Trustees
- --------------                      --------------        ------------------

Philip W. Coolidge                     none                   none
Trustee

Charles P. Biggar                      $3,204                $28,750
Trustee

S. Leland Dill                         $3,204                $28,750
Trustee

Philip Saunders, Jr.                   $3,204                $28,750
Trustee
    

      Bankers Trust  reimbursed  the  Portfolio for a portion of their  Trustees
fees for the period above. See Investment Adviser and Administrator below.

                                       17

<PAGE>

                               INVESTMENT ADVISER

As described in the Fund's Prospectus, USAA Investment Management Company is the
Manager and  investment  adviser,  providing the services  under the  Management
Agreement. The Manager,  organized in May 1970, has served as investment adviser
and underwriter for USAA Mutual Fund, Inc. from its inception.

   
      In addition to the services it provides  under the  Management  Agreement,
the Manager  advises and manages  the  investments  for USAA and its  affiliated
companies as well as those of USAA Investment Trust, USAA Tax Exempt Fund, Inc.,
USAA State Tax-Free  Trust,  and USAA Life  Investment  Trust. As of the date of
this SAI, total assets under  management by the Manager were  approximately  $32
billion, of which approximately $19 billion were in mutual fund portfolios.
    

      Under  the  Management  Agreement,  the  Manager  presently  monitors  the
services provided by Bankers Trust to the Portfolio. The Manager receives no fee
for  providing  these  monitoring  services.  In the event the  Fund's  Board of
Directors  determines it is in the best interests of the Fund's  shareholders to
withdraw its investment in the Portfolio,  the Manager would become  responsible
for directly  managing the assets of the Fund. In such event, the Fund would pay
the  Manager  an annual fee of .10% of the Fund's  ANA,  accrued  daily and paid
monthly.

      The  Management  Agreement will remain in effect until April 30, 1998, for
the Fund and will continue in effect from year to year  thereafter  for the Fund
as long as it is approved at least annually by a vote of the outstanding  voting
securities of the Fund (as defined by the 1940 Act) or by the Board of Directors
(on  behalf of such Fund)  including  a majority  of the  Directors  who are not
interested  persons  of the  Manager or  (otherwise  than as  Directors)  of the
Company,  at a meeting  called for the purpose of voting on such  approval.  The
Management  Agreement may be terminated at any time by either the Company or the
Manager on 60 days' written notice. It will automatically terminate in the event
of its assignment (as defined by the 1940 Act).

         
   
      From time to time the Manager may,  without prior notice to  shareholders,
waive all or any portion of fees or agree to reimburse  expenses incurred by the
Fund. The Manager has voluntarily agreed to limit the aggregate annual operating
expenses  of the Fund and the  Portfolio  to .18% of the Fund's ANA until May 1,
1998, and will reimburse the Fund for all expenses in excess of such limitation.
After May 1, 1998,  any such waiver or  reimbursement  may be  terminated by the
Manager at any time without prior notice to the shareholders.
    

      Under the terms of the  Portfolio's  investment  advisory  agreement  with
Bankers  Trust (the  Advisory  Agreement),  Bankers  Trust manages the Portfolio
subject  to the  supervision  and  direction  of the  Board of  Trustees  of the
Portfolio. Bankers Trust will: (1) act in strict conformity with the Portfolio's
Declaration of Trust,  the 1940 Act and the Investment  Advisers Act of 1940, as
the  same  may  from  time to time be  amended;  (2)  manage  the  Portfolio  in
accordance with the Portfolio's investment objective, restrictions and policies;
(3) make investment decisions for the Portfolio; and (4) place purchase and sale
orders  for  securities  and  other  financial  instruments  on  behalf  of  the
Portfolio.

   
      Bankers Trust bears all expenses in  connection  with the  performance  of
services  under the Advisory  Agreement.  The Fund and the  Portfolio  each bear
certain other expenses incurred in its operation,  including:  taxes,  interest,
brokerage  fees and  commissions,  if any;  fees of Trustees of the Portfolio or
Directors of the Company who are not officers, directors or employees of Bankers
Trust,  Edgewood  or  any of  their  affiliates;  the  Manager  or any of  their
affiliates;  SEC  fees  and  state  Blue  Sky  qualification  fees;  charges  of
custodians  and transfer  and  dividend  disbursing  agents;  certain  insurance
premiums; outside auditing and legal expenses; costs of maintenance of corporate
existence;   costs  attributable  to  investor  services,   including,   without
limitation,  telephone and personnel  expenses;  costs of preparing and printing
prospectuses  and statements of additional  information for regulatory  purposes
and for distribution to existing  shareholders;  costs of shareholders'  reports
and  meetings  of  shareholders,  officers  and  Trustees  of the  Portfolio  or
Directors of the Company; and any extraordinary expenses.

      For the years ended December 31, 1996, 1995 and 1994, Bankers Trust earned
$1,505,963, $770,530, and $428,346, respectively, as compensation for investment
advisory  services provided to the Portfolio.  During the same periods,  Bankers
Trust  reimbursed  $870,024,  $418,814,  and  $249,230,   respectively,  to  the
Portfolio to cover expenses.
    

      The Fund's  Prospectus  contains  disclosures  as to the amount of Bankers
Trust's  investment  advisory  and services  fees,  including  waivers  thereof.
Bankers Trust may not recoup any of its waived investment  advisory and services
fees. Such waivers by Bankers Trust shall stay in effect for at least 12 months.

Bankers Trust may have deposit,  loan and other commercial banking relationships
with the  issuers  of  obligations  which  may be  purchased  on  behalf  of the
Portfolio,  including outstanding loans to such issuers which could be repaid in
whole or in part with the proceeds of securities so purchased.  Such  affiliates
deal,

                                       18

<PAGE>

trade and invest for their own  accounts in such  obligations  and are among the
leading dealers of various types of such obligations. Bankers Trust has informed
the Portfolio  that, in making its investment  decisions,  it does not obtain or
use material inside information in its possession or in the possession of any of
its affiliates. In making investment recommendations for the Portfolio,  Bankers
Trust  will  not  inquire  or take  into  consideration  whether  an  issuer  of
securities  proposed  for  purchase  or sale by the  Portfolio  is a customer of
Bankers Trust, its parent or its subsidiaries or affiliates and, in dealing with
its customers,  Bankers Trust, its parent,  subsidiaries and affiliates will not
inquire or take into consideration whether securities of such customers are held
by any fund managed by Bankers Trust or and such affiliate.

                                  ADMINISTRATOR

Under the terms of the Fund's  administration  agreement  with the Manager,  the
Manager  is  obligated  on a  continuous  basis to provide  such  administrative
services as the Board of Directors of the Company reasonably deems necessary for
the proper  administration of the Fund. The Manager will generally assist in all
aspects  of the  Fund's  operations;  supply  and  maintain  office  facilities,
statistical and research data, data processing services,  clerical,  accounting,
bookkeeping  and  recordkeeping   services  (including  without  limitation  the
maintenance of such books and records as are required under the 1940 Act and the
rules  thereunder,  except as maintained by other  agents),  internal  auditing,
executive and  administrative  services,  and  stationery  and office  supplies;
prepare reports to shareholders;  prepare and file tax returns; supply financial
information  and  supporting  data for reports to and  filings  with the SEC and
various state Blue Sky authorities; supply supporting documentation for meetings
of the Board of Directors;  provide monitoring reports and assistance  regarding
compliance with its Articles of Incorporation,  by-laws,  investment  objectives
and policies and with federal and state securities laws; arrange for appropriate
insurance coverage;  calculate net asset values, net income and realized capital
gains or losses;  and negotiate  arrangements with, and supervise and coordinate
the activities of, agents and others to supply services.

      Pursuant to a  sub-administration  agreement between the Manager,  Bankers
Trust and  Investors  Fiduciary  Trust  Company  (IFTC) (the  Sub-Administration
Agreement),  IFTC performs such  sub-administration  duties for the Fund as from
time to time may be agreed  upon by the  Manager,  Bankers  Trust and IFTC.  The
Sub-Administration  Agreement  provides that IFTC will receive such compensation
from  Bankers  Trust as from  time to time may be  agreed  upon by the  Manager,
Bankers Trust and IFTC.

      Under the  administration and services agreement between the Portfolio and
Bankers Trust,  Bankers Trust is obligated on a continuous basis to provide such
administrative  services as the Board of Trustees  of the  Portfolio  reasonably
deems necessary for the proper  administration  of the Portfolio.  Bankers Trust
will generally assist in all aspects of the Portfolio's  operations;  supply and
maintain  office  facilities  (which may be in  Bankers  Trust's  own  offices),
statistical and research data, data processing services,  clerical,  accounting,
bookkeeping  and  recordkeeping   services  (including  without  limitation  the
maintenance of such books and records as are required under the 1940 Act and the
rules  thereunder,  except as maintained by other  agents),  internal  auditing,
executive and  administrative  services,  and  stationery  and office  supplies;
prepare  reports to investors;  prepare and file tax returns;  supply  financial
information  and  supporting  data for reports to and  filings  with the SEC and
various state Blue Sky authorities; supply supporting documentation for meetings
of the Board of Trustees;  provide monitoring  reports and assistance  regarding
compliance with its  Declaration of Trust,  by-laws,  investment  objectives and
policies and with federal and state  securities  laws;  arrange for  appropriate
insurance coverage;  calculate net asset values, net income and realized capital
gains or losses;  and negotiate  arrangements with, and supervise and coordinate
the activities of, agents and others to supply services.

   
      Pursuant  to a  sub-administration  agreement  between  Bankers  Trust and
Federated  Services Company (FSC), FSC performs such  sub-administration  duties
for the  Portfolio as from time to time may be agreed upon by Bankers  Trust and
FSC.  The  Sub-Administration  Contract  provides  that  FSC will  receive  such
compensation  as from time to time may be agreed upon by FSC and Bankers  Trust.
All such compensation will be paid by Bankers Trust.

      For the years ended December 31, 1996, 1995 and 1994, Bankers Trust earned
$752,981,   $385,265   and   $214,173,   respectively,   in   compensation   for
administrative and other services provided to the Portfolio.
    

                                       19

<PAGE>

                               GENERAL INFORMATION

Underwriter

The Company has an agreement  with the Manager for  exclusive  underwriting  and
distribution  of the Fund's  shares on a  continuing  best efforts  basis.  This
agreement  provides  that the Manager will receive no fee or other  compensation
for such distribution services.

Transfer Agent

The Transfer  Agent  performs  transfer  agent  services for the Company under a
Transfer Agency Agreement.  Services include  maintenance of shareholder account
records,  handling of  communications  with  shareholders,  distribution of Fund
dividends,  and  production  of reports  with  respect to account  activity  for
shareholders and the Company.

Custodian

The  Custodian  is  responsible  for,  among  other  things,   safeguarding  and
controlling the Company's cash and securities, handling the receipt and delivery
of  securities,  and  collecting  interest on the  Company's  investment  in the
Portfolio.  Bankers  Trust  serves  as  custodian  for  both  the  Fund  and the
Portfolio.  As custodian,  it holds both the Fund's and the Portfolio's  assets.
Bankers Trust will comply with the self-custodian provisions of Rule 17f-2 under
the 1940 Act.

Counsel

Goodwin,  Procter & Hoar LLP,  Exchange  Place,  Boston,  MA 02109,  will review
certain legal matters for the Company in connection  with the shares  offered by
the Prospectus.  Willkie Farr & Gallagher,  One Citicorp  Center,  153 East 53rd
Street, New York, New York 10022-4669, serves as counsel to the Portfolio.

Independent Accountant

Coopers & Lybrand L.L.P.,  1100 Main Street,  Suite 900,  Kansas City,  Missouri
64105,  has been selected as the  Independent  Accountants  for the Fund and the
Portfolio.

   
Financial Statements

The  financial  statements  for the USAA S&P 500 Index  Fund and the  Equity 500
Index Portfolio, and the Independent Accountants' Reports thereon for the fiscal
year ended December 31, 1996, are included in the Annual Report to  Shareholders
of that date and are incorporated herein by reference.  The Manager will deliver
a copy of the Fund's Annual Report free of charge with each SAI requested.
    

                         CALCULATION OF PERFORMANCE DATA

Information regarding the total return of the Fund is provided under Performance
Information  in  its  Prospectus.  See  Valuation  of  Securities  herein  for a
discussion of the manner in which the Fund's price per share is calculated.

Total Return

The Fund may advertise  performance  in terms of average annual total return for
1-, 5- and 10-year  periods,  or for such lesser periods as the Fund has been in
existence. Average annual total return is computed by finding the average annual
compounded rates of return over the periods that would equate the initial amount
invested to the ending redeemable value, according to the following formula:

                                 P(1 + T)n = 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 year or period

                                       20

<PAGE>

   
      The  calculation  assumes any charges are deducted from the initial $1,000
payment and assumes all dividends and  distributions by such Fund are reinvested
at the price  stated in the  Prospectus  on the  reinvestment  dates  during the
period,  and includes  all  recurring  fees that are charged to all  shareholder
accounts.  For periods after December 31, 1996, performance does not reflect the
annual $10 account  maintenance fee charged to accounts of less than $10,000. As
of December 31, 1996, the Fund's average account size was approximately $12,200.

The Fund's total  return for the eight month period ended  December 31, 1996 was
16.83%.
    
                 APPENDIX A - COMPARISON OF FUND PERFORMANCE 

Occasionally,  we may make  comparisons  in  advertising  and  sales  literature
between  the Fund  contained  in this SAI and other  Funds in the USAA Family of
Funds. These comparisons may include such topics as risk and reward,  investment
objectives, investment strategies, and performance.

      Fund  performance  also may be compared to the performance of broad groups
of mutual funds with similar investment goals or unmanaged indices of comparable
securities. Evaluations of Fund performance made by independent sources may also
be used in  advertisements  concerning  the  Fund,  including  reprints  of,  or
selections  from,  editorials  or  articles  about  the  Fund.  The  Fund or its
performance  may also be compared  to products  and  services  not  constituting
securities  subject to registration  under the 1933 Act such as, but not limited
to,  certificates of deposit and money market accounts.  Sources for performance
information and articles about the Fund may include the following:

AAII  Journal,  a monthly  association  magazine  for  members  of the  American
Association of Individual Investors.

Arizona Republic, a newspaper which may cover financial and investment news.

Austin American-Statesman, a newspaper which may cover financial news.

Bank Rate Monitor, a service which publishes rates on various bank products such
as CDS, MMDAs and credit cards.

Barron's, a Dow Jones and Company, Inc. business and financial weekly that 
periodically reviews mutual fund performance data.

Business  Week,  a  national  business  weekly  that  periodically  reports  the
performance rankings and ratings of a variety of mutual funds.

Chicago Tribune, a newspaper which may cover financial news.

Consumer  Reports,  a  monthly  magazine  which  from  time to time  reports  on
companies in the mutual fund industry.

Dallas Morning News, a newspaper which may cover financial news.

Denver Post, a newspaper which may quote financial news.

Financial Planning, a monthly magazine which may periodically review mutual fund
companies.

Financial Services Week, a weekly newspaper which covers financial news.

Financial World, a monthly magazine that periodically  features companies in the
mutual fund industry.

Forbes,  a  national  business   publication  that   periodically   reports  the
performance of companies in the mutual fund industry.

Fortune, a national business publication that periodically rates the performance
of a variety of mutual funds.

Fund Action, a mutual fund news report.

Houston Chronicle, a newspaper which may cover financial news.

Houston Post, a newspaper which may cover financial news.

IBC/Donoghue's  Moneyletter,  a biweekly  newsletter which covers financial news
and from time to time rates specific mutual funds.

IBC's Money Market Insight, a monthly money market industry analysis prepared by
IBC USA, Inc.

Income and Safety, a monthly newsletter that rates mutual funds.

InvesTech, a bimonthly investment newsletter.


                                       21

<PAGE>

Investment  Advisor,  a monthly  publication  directed  primarily to the advisor
community; includes ranking of mutual funds using a proprietary methodology.

Investment  Company  Institute,   the  national   association  of  the  American
investment company industry.

Investor's Business Daily, a newspaper which covers financial news.

Kiplinger's Personal Finance Magazine, a monthly investment advisory publication
that periodically features the performance of a variety of securities.

Lipper Analytical  Services,  Inc.'s Fixed Income Fund Performance  Analysis,  a
monthly publication of industry-wide mutual fund performance averages by type of
fund.

Lipper Analytical Services,  Inc.'s Mutual Fund Performance  Analysis, a monthly
publication of industry-wide mutual fund averages by type of fund.

Los Angeles Times, a newspaper which may cover financial news.

Louis Rukeyser's Wall Street, a publication for investors.

Medical  Economics,  a monthly  magazine  providing  information  to the medical
profession.

Money, a monthly  magazine that features the  performance of both specific funds
and the mutual fund industry as a whole.

Money Fund Report,  a weekly  publication  of the Donoghue  Organization,  Inc.,
reporting on the  performance  of the nation's  money market funds,  summarizing
money  market fund  activity,  and  including  certain  averages as  performance
benchmarks, specifically "Donoghue's Taxable First Tier Fund Average."

Morningstar 5 Star Investor,  a monthly  newsletter  which covers financial news
and rates  mutual  funds by  Morningstar,  Inc.  (a data  service  which  tracks
open-end mutual funds).

Mutual Fund Forecaster, a monthly newsletter that ranks mutual funds.

Mutual Fund Investing, a newsletter covering mutual funds.

Mutual Fund Performance Report, a monthly publication of mutual fund performance
and rankings, produced by Morningstar, Inc.

Mutual Funds Magazine, a monthly publication reporting on mutual fund investing.

Mutual Fund Source Book, an annual publication produced by Morningstar, Inc. 
which describes and rates mutual funds.

Mutual  Fund  Values,   a  biweekly   guidebook  to  mutual  funds  produced  by
Morningstar, Inc.

Newsweek, a national business weekly.

New York Times, a newspaper which may cover financial news.

No Load Fund  Investor,  a  newsletter  covering  companies  in the mutual  fund
industry.

Personal  Investor,  a monthly  magazine which from time to time features mutual
fund companies and the mutual fund industry.

San Antonio Business Journal, a weekly newspaper that periodically covers mutual
fund companies as well as financial news.

San Antonio Express-News, a newspaper which may cover financial news.

San Francisco Chronicle, a newspaper which may cover financial news.

Smart Money,  a monthly  magazine  featuring  news and articles on investing and
mutual funds.

USA Today, a newspaper which may cover financial news.

U.S. News and World Report, a national business weekly that periodically reports
mutual fund performance data.

Wall Street Journal, a Dow Jones and Company, Inc. newspaper which covers
financial news.

Washington Post, a newspaper which may cover financial news.

Weisenberger  Mutual Funds Investment  Report, a monthly newsletter that reports
on both specific mutual fund companies and the mutual fund industry as a whole.

Worth,  a magazine  which covers  financial and  investment  subjects  including
mutual funds.

Your Money, a monthly magazine directed toward the novice investor.


                                       22

<PAGE>

      In  addition  to the sources  above,  performance  of the Fund may also be
tracked  by  Lipper  Analytical  Services,  Inc.  The Fund will be  compared  to
Lipper's  appropriate  fund category  according to fund  objective and portfolio
holdings.  The S&P 500 Index Fund will be compared to funds in Lipper's  S&P 500
Index  Objective  category.  Footnotes  in  advertisements  and other  marketing
literature will include the time period applicable for any ranking used.

      Other  sources for total  return and other  performance  data which may be
used by the Fund or by those  publications  listed  previously are  Morningstar,
Inc., Schabaker Investment  Management,  and Investment Company Data, Inc. These
are services that collect and compile data on mutual fund companies.

                       APPENDIX B - DOLLAR-COST AVERAGING

Dollar-cost  averaging  is a  systematic  investing  method which can be used by
investors as a disciplined  technique for investing.  A fixed amount of money is
invested in a security  (such as a stock or mutual fund) on a regular basis over
a period of time,  regardless  of whether  securities  markets  are moving up or
down.

      This  practice  reduces  average  share costs to the investor who acquires
more shares in periods of lower securities prices and fewer shares in periods of
higher prices.

      While  dollar-cost  averaging does not assure a profit or protect  against
loss in declining markets,  this investment strategy is an effective way to help
calm the effect of fluctuations in the financial markets.  Systematic  investing
involves  continuous  investment in securities  regardless of fluctuating  price
levels of such securities.  Investors should consider their financial ability to
continue purchases through periods of low and high price levels.

      As the following chart  illustrates,  dollar-cost  averaging tends to keep
the overall cost of shares lower.  This example is for  illustration  only,  and
different trends would result in different average costs.


                         HOW DOLLAR-COST AVERAGING WORKS

                      $100 Invested Regularly for 5 Periods

                                  Market Trend
           ---------------------------------------------------------------------

                  Down                   Up                 Mixed
           -------------------    --------------------- ------------------------
             Share   Shares       Share     Shares      Share      Shares
Investment   Price   Purchased    Price     Purchased   Price      Purchased
           -------------------    --------------------- ------------------------
$100         10      10             6         16.67      10            10
 100          9      11.1           7         14.29       9            11.1
 100          8      12.5           7         14.29       8            12.5
 100          8      12.5           9         11.1        9            11.1
 100          6      16.67         10         10         10            10
- ----         --       ----         --         ----       ---           ---
$500      ***41      62.77      ***39         66.35     ***46          54.7
        *Avg. Cost:  $7.97        *Avg. Cost: $7.54      *Avg. Cost:  $9.14
                     -----                    -----                   -----
    **Avg. Price:    $8.20       **Avg. Price:$7.80       **Avg. Price$9.20
                     -----                    -----                   -----

   
  *   Average Cost is the total amount invested divided by number of 
       shares purchased.
 **   Average Price is the sum of the prices paid divided by number
       of purchases.
***   Cumulative total of share prices used to compute average prices.
    


                                       23

<PAGE>


   
28083-0597
    

                                       24

<PAGE>



                             USAA MUTUAL FUND, INC.


PART C.       OTHER INFORMATION

Item 24.      Financial Statements and Exhibits

     (a)      Financial Statements:

              Financial  Statements  included in Parts A and B  (Prospectus  and
              Statement  of  Additional   Information)   of  this   Registration
              Statement:

   
              Financial   Statements   and   Independent   Accountants'   Report
              incorporated by reference to the S&P 500 Index Fund and Equity 500
              Index Portfolio Annual Reports to Shareholders for the fiscal year
              ended December 31, 1996.
    

     (b)      Exhibits:

Exhibit No.      Description of Exhibits

   
   1 (a)         Articles of Incorporation dated October 10, 1980 (1)
     (b)         Articles of Amendment dated January 14, 1981 (1)
     (c)         Articles Supplementary dated July 28, 1981 (1)
     (d)         Articles Supplementary dated November 3, 1982 (1)
     (e)         Articles of Amendment dated May 18, 1983 (1)
     (f)         Articles Supplementary dated August 8, 1983 (1)
     (g)         Articles Supplementary dated July 27, 1984 (1)
     (h)         Articles Supplementary dated November 5, 1985 (1)
     (i)         Articles Supplementary dated January 23, 1987 (1)
     (j)         Articles Supplementary dated May 13, 1987 (1)
     (k)         Articles Supplementary dated January 25, 1989 (1)
     (l)         Articles Supplementary dated May 2, 1991 (1)
     (m)         Articles Supplementary dated November 14, 1991 (1)
     (n)         Articles Supplementary dated April 14, 1992 (1)
     (o)         Articles Supplementary dated November 4, 1992 (1)
     (p)         Articles Supplementary dated March 23, 1993 (1)
     (q)         Articles Supplementary dated May 5, 1993 (1)
     (r)         Articles Supplementary dated November 8, 1993 (1)
     (s)         Articles Supplementary dated January 18, 1994 (1)
     (t)         Articles Supplementary dated November 9, 1994 (1)
     (u)         Articles Supplementary dated November 8, 1995 (2)
     (v)         Articles Supplementary dated February 6, 1996 (3)
     (w)         Articles Supplementary dated March 12, 1996 (4)
     (x)         Articles Supplementary dated November 13, 1996 (filed herewith)
    

   2             Bylaws, as amended March 12, 1996 (4)

   3             Voting trust agreement - Not Applicable

   4             Specimen certificates for shares of
     (a)         Growth Fund (1)
     (b)         Income Fund (1)
     (c)         Money Market Fund (1)
     (d)         Aggressive Growth Fund (1)

                                       C-1

<PAGE>

Exhibit No. Description of Exhibits

     (e)         Income Stock Fund (1)
     (f)         Growth & Income Fund (1)
     (g)         Short-Term Bond Fund (1)
     (h)         S&P 500 Index Fund (4)

   
   5 (a)         Advisory Agreement dated September 21, 1990 (1)
     (b)         Letter Agreement dated June 1, 1993 adding Growth & Income
                 Fund and Short-Term Bond Fund (1)
     (c)         Management Agreement dated May 1, 1996 with respect to the
                 S&P 500 Index Fund (5)
     (d)         Administration Agreement dated May 1, 1996 with respect to
                 the S&P 500 Index Fund (5)
     (e)         Letter Agreement to the Management Agreement dated May 1,
                 1996 with respect to the S&P 500 Index Fund (5)
     (f)         Amendment to Administration Agreement dated May 1, 1997 with
                 respect to the S&P 500 Index Fund (filed herewith)
    

   6 (a)         Underwriting Agreement dated July 25, 1990 (1)
     (b)         Letter Agreement dated June 1, 1993 adding Growth & Income
                 Fund and Short-Term Bond Fund (1)
     (c)         Letter Agreement dated May 1, 1996 adding S&P 500 Index Fund(5)

   7             Not Applicable

   8 (a)         Custodian Agreement dated November 3, 1982 (1)
     (b)         Letter Agreement dated April 20, 1987 adding Income Stock
                 Fund (1)
     (c)         Amendment No. 1 to the Custodian Contract dated October 30,
                 1987 (1)
     (d)         Amendment to the Custodian Contract dated November 3, 1988 (1)
     (e)         Amendment to the Custodian Contract dated February 6, 1989 (1)
     (f)         Amendment to the Custodian Contract dated November 8, 1993 (1)
     (g)         Letter Agreement dated June 1, 1993 adding Growth & Income
                 Fund and Short-Term Bond Fund (1)
     (h)         Subcustodian Agreement dated March 24, 1994 (3)
     (i)         Custodian Agreement dated May 1, 1996 with respect to the
                  S&P 500 Index Fund (5)
     (j)         Subcustodian Agreement with dated May 1, 1996 respect to the
                   S&P 500 Index Fund (5)
     (k)         Letter Agreement to the Custodian Agreement dated May 1, 1996
                   with respect to the S&P 500 Index Fund (5)
     (l)         Amendment to Custodian Contract dated May 13, 1996 (5)

   
   9 (a)         Articles of Merger dated January 30, 1981 (1)
     (b)         Transfer Agency Agreement dated January 23, 1992 (1)
     (c)         Letter Agreement dated June 1, 1993 to Transfer Agency
                 Agreement
                  adding Growth & Income Fund and Short-Term Bond Fund (1)
     (d)         Amendments dated May 3, 1995 to the Transfer Agency Agreement
                  Fee Schedules for Growth Fund, Aggressive Growth Fund, Income
                  Fund, Growth & Income Fund, Income Stock Fund, Money
                  Market Fund,
                  and Short-Term Bond Fund (1)
     (e)         Amendment No. 1 to Transfer Agency Agreement dated
                 November 14, 1995 (2)
     (f)         Third Party Feeder Fund Agreement dated May 1, 1996 with
                 respect to the S&P 500 Index Fund (5)
     (g)         Letter Agreement to Transfer Agency Agreement dated May 1, 1996
                  adding S&P 500 Index Fund (5)

                                       C-2

<PAGE>



Exhibit No. Description of Exhibits


     (h)         Transfer Agency Agreement Fee Schedule dated May 1, 1996
                  for S&P 500 Index Fund (5)
     (i)         Master Revolving Credit Facility Agreement with USAA Capital
                  Corporation dated January 14, 1997 (filed herewith)
     (j)         Master Revolving Credit Facility Agreement with NationsBank
                  of Texas dated January 15, 1997 (filed herewith)

   10(a)         Opinion of Counsel with respect to the Growth Fund, Income
                  Fund, Money Market Fund, Income Stock Fund, Growth &
                  Income Fund, and Short-Term Bond Fund (2)
     (b)         Opinion of Counsel with respect to the S&P 500 Index Fund (3)
     (c)         Consent of Counsel with respect to the S&P 500 Index Fund
                 (filed herewith)
     (d)         Opinion and Consent of Counsel with respect to the Aggressive
                  Growth Fund (6)
     (e)         Consent of Counsel with respect Growth Fund, Income Fund,
                  Money Market Fund, Income Stock Fund, Growth & Income Fund,
                  and Short-Term Bond Fund (6)

   11            Independent Accountants' Consent (filed herewith)
    

   12            Financial Statements omitted from prospectus - Not Applicable

   13(a)         Subscription and Investment Letter for Growth & Income Fund
                  and Short-Term Bond Fund (1)
     (b)         Subscription and Investment Letter for S&P 500 Index Fund (5)

   14            Prototype Plans
     (a)         USAA INVESTMENT MANAGEMENT COMPANY IRA Handbook (1)
     (b)         USAA INVESTMENT MANAGEMENT COMPANY SEP-IRA Handbook (1)
     (c)         USAA INVESTMENT MANAGEMENT COMPANY 403(b)(7) Handbook (1)

   15            12b-1 Plans - Not Applicable

   16            Schedule for Computation of Performance Quotation (1)

   17            Financial Data Schedule
     (a)         Growth Fund (filed herewith)
     (b)         Aggressive Growth Fund (filed herewith)
     (c)         Income Fund (filed herewith)
     (d)         Money Market Fund (filed herewith)
     (e)         Income Stock Fund (filed herewith)
     (f)         Growth & Income Fund (filed herewith)
     (g)         Short-Term Bond Fund (filed herewith)
     (h)         S&P 500 Index Fund (filed herewith)

   18            Plan Adopting Multiple Classes of Shares - Not Applicable

   
   19            Powers of Attorney
     (a)         Powers of Attorney for Michael J.C. Roth, Sherron A. Kirk,
                 John W. Saunders, Jr., George E. Brown, Howard L. Freeman, Jr.,
                 and Richard A. Zucker dated November 8, 1993 (1)
     (b)         Power of Attorney for Barbara B. Dreeben dated
                 September 12, 1995 (1)

                                       C-3

<PAGE>



Exhibit No. Description of Exhibits


        (c)       With respect to the S&P 500 Index Fund, Powers of Attorney for
                   Ronald M. Petnuch, Philip W. Coolidge, Charles P. Biggar,
                   S. Leland Dill, and Philip Saunders, Jr. Trusess of the 
                   Equity 500 Index Portfolio, dated September 30, 1996 (filed
                   herewith)
        (d)       Power of Attorney for Robert G. Davis (filed herewith)
        (e)       Power of Attorney for Robert L. Mason (filed herewith)
    

     (1)         Previously filed with Post-Effective Amendment No. 38 of the
                 Registrant (No.2- 49560) filed with the Securities and Exchange
                 Commission on September 29, 1995.

     (2)         Previously filed with Post-Effective Amendment No. 39 of the
                 Registrant (No. 2-49560) filed with the Securities and Exchange
                 Commission on November 21, 1995.

     (3)         Previously filed with Post-Effective Amendment No. 40 of the
                 Registrant (No. 2-49560) filed with the Securities and Exchange
                 Commission on February 15, 1996.

     (4)         Previously filed with Post-Effective Amendment No. 41 of the
                 Registrant (No. 2-49560) filed with the Securities and Exchange
                 Commission on April 26, 1996.

     (5)         Previously filed with Post-Effective Amendment No. 42 of the
                 Registrant (No. 2-49560) filed with the Securities and Exchange
                 Commission on September 11, 1996.
   
     (6)         Previously filed with Post-Effective Amendment No. 43 of the
                 Registrant (No. 2-49560) filed with the Securities and Exchange
                 Commis sion on October 1, 1996.
    



                                       C-4

<PAGE>



Item 25.      Persons Controlled by or Under Common Control with Registrant

              Information  pertaining  to persons  controlled by or under common
              control with Registrant is hereby incorporated by reference to the
              section  captioned  "Management  of the Company" in the Prospectus
              and the section captioned  "Directors and Officers of the Company"
              in the Statement of Additional Information.

Item 26.      Number of Holders of Securities
   
              Set forth below are the number of record  holders,  as of February
              28, 1997, of each class of securities of the Registrant.

                  Title of Class                        Number of Record Holders
                  --------------                        ------------------------

                  Aggressive Growth Fund                          70,777
                  Growth Fund                                     93,409
                  Income Stock Fund                              106,619
                  Income Fund                                     66,943
                  Money Market Fund                              125,704
                  Growth & Income Fund                            45,689
                  Short-Term Bond Fund                             8,029
                  S&P 500 Index Fund                              12,921
    

Item 27.      Indemnification

              Protection  for the liability of the adviser and  underwriter  and
              for the officers and  directors of the  Registrant  is provided by
              two methods:

        (a)   The Director and Officer Liability Policy.  This policy covers all
              losses incurred by the Registrant, its adviser and its underwriter
              from any claim made against those  entities or persons  during the
              policy period by any shareholder or former shareholder of the Fund
              by  reason  of  any  alleged  negligent  act,  error  or  omission
              committed in connection with the administration of the investments
              of said Registrant or in connection with the sale or redemption of
              shares issued by said Registrant.

        (b)   Statutory Indemnification Provisions.  Under Section 2-418 of the
              Maryland General Corporation Law, the Registrant is authorized to
              indemnify any past or present director, officer, agent or
              employee against judgments, penalties, fines, settlements and
              reasonable expenses actually incurred by him in connection with
              any proceeding in which he is a party by reason of having served
              as a director, officer, agent or employee, if he acted in good
              faith and reasonably believed that, (I) in the case of conduct in
              his official capacity with the Registrant, that his conduct was
              in the best interests of the Registrant, or (ii) in all other
              cases, that his conduct was at least not opposed to the best
              interests of the Registrant.  In the case of any criminal
              proceeding, said director, officer, agent or employee must in
              addition have had no reasonable cause to believe that his conduct
              was unlawful.  In the case of a proceeding by or in the right of
              the Registrant, indemnification may only be made against
              reasonable expenses and may not be made in respect of any
              proceeding in which the director, officer, agent or employee
              shall have been adjudged to be liable to the Registrant.  The
              termination of any proceeding by judgment, order, settlement,
              conviction, or upon a plea of nolo contendere or its equivalent
              creates a rebuttable presumption that the director, officer,
              agent or employee did not meet the requisite

                                       C-5

<PAGE>



              standard of conduct for indemnification. No indemnification may be
              made in  respect  of any  proceeding  charging  improper  personal
              benefit to the director, officer, agent or employee whether or not
              involving  action  in such  person's  official  capacity,  if such
              person  was  adjudged  to be  liable on the  basis  that  improper
              personal benefit was received. If such director, officer, agent or
              employee is successful,  on the merits or otherwise, in defense of
              any such proceeding  against him, he shall be indemnified  against
              the   reasonable   expenses   incurred   by   him   (unless   such
              indemnification is limited by the Registrant's  charter,  which it
              is not).  Additionally,  a court of appropriate  jurisdiction  may
              order   indemnification  in  certain  circumstances  even  if  the
              appropriate standard of conduct set forth above was not met.

              Indemnification  may not be made unless authorized in the specific
              case after  determination that the applicable  standard of conduct
              has been met. Such determination  shall be made by either: (I) the
              board of  directors  by  either  (x) a  majority  vote of a quorum
              consisting  of directors  not parties to the  proceeding or (y) if
              such a quorum  cannot be  obtained,  then by a majority  vote of a
              committee of the board consisting  solely of two or more directors
              not  at  the  time  parties  to  such  proceeding  who  were  duly
              designated  to act in the  matter by a  majority  vote of the full
              board  in which  the  designated  directors  who are  parties  may
              participate;  (ii) special legal counsel  selected by the board of
              directors  or a committee of the board by vote as set forth in (I)
              above, or, if the requisite quorum of the board cannot be obtained
              therefore and the committee  cannot be established,  by a majority
              vote of the full  board in which  directors  who are  parties  may
              participate; or (iii) the stockholders.

              Reasonable expenses may be reimbursed or paid by the Registrant in
              advance   of   final   disposition   of  a   proceeding   after  a
              determination, made in accordance with the procedures set forth in
              the preceding paragraph, that the facts then known to those making
              the  determination  would not preclude  indemnification  under the
              applicable  standards  provided  the  Registrant  receives  (I)  a
              written affirmation of the good faith belief of the person seeking
              indemnification  that the applicable standard of conduct necessary
              for  indemnification  has been met, and (ii) a written undertaking
              to repay the advanced sums if it is ultimately determined that the
              applicable standard of conduct has not been met.

              Insofar  as  indemnification  for  liabilities  arising  under the
              Securities Act of 1933 may be permitted to directors, officers and
              controlling persons of the Registrant pursuant to the Registrant's
              Articles of  Incorporation  or otherwise,  the Registrant has been
              advised  that,  in the  opinion  of the  Securities  and  Exchange
              Commission,  such  indemnification  is  against  public  policy as
              expressed  in the  Act and is,  therefore,  unenforceable.  In the
              event that a claim for  indemnification  against such  liabilities
              (other than the payment by the Registrant of expenses  incurred or
              paid  by  a  director,   officer  or  controlling  person  of  the
              Registrant  in the  successful  defense  of any  action,  suit  or
              proceeding) is asserted by such  director,  officer or controlling
              person in connection with the securities  being  registered,  then
              the  Registrant  will,  unless in the  opinion of its  counsel the
              matter has been settled by a  controlling  precedent,  submit to a
              court  of  appropriate   jurisdiction   the  question  of  whether
              indemnification by it is against public policy as expressed in the
              Act and will be governed by the final adjudication of such issue.



                                       C-6

<PAGE>


Item 28.      Business and Other Connections of Investment Adviser

              Information  pertaining to business and other  connections  of the
              Registrant's   investment   adviser  is  hereby   incorporated  by
              reference to the section of the Prospectus  captioned  "Management
              of the Company" and to the section of the  Statement of Additional
              Information captioned "Directors and Officers of the Company."

Item 29.      Principal Underwriters

        (a)   USAA  Investment   Management  Company  (the  "Adviser")  acts  as
              principal  underwriter and distributor of the Registrant's  shares
              on a best-efforts  basis and receives no fee or commission for its
              underwriting  services.   The  Adviser,   wholly-owned  by  United
              Services   Automobile   Association,   also  serves  as  principal
              underwriter for USAA Tax Exempt Fund, Inc., USAA Investment Trust,
              and USAA State Tax-Free Trust.

        (b)   Set  forth  below is  information  concerning  each  director  and
              executive officer of USAA Investment Management Company.


Name and Principal           Position and Offices         Position and Offices
 Business Address            with Underwriter               with Registrant
- ------------------           --------------------         --------------------
   
Robert G. Davis              Director and Chairman        Director and
9800 Fredericksburg Rd.      of the Board of              Chairman of the
San Antonio, TX  78288       Directors                    Board of Directors
    

Michael J.C. Roth            Chief Executive Officer,     President, Director
9800 Fredericksburg Rd.      President, Director, and     and Vice Chairman of
San Antonio, TX  78288       Vice Chairman of the         the Board of Directors
                             Board of Directors

John W. Saunders, Jr.        Senior Vice President,       Vice President and
9800 Fredericksburg Rd.      Fixed Income Investments,    Director
San Antonio, TX  78288       and Director

Harry W. Miller              Senior Vice President,       None
9800 Fredericksburg Rd.      Equity Investments,
San Antonio, TX  78288       and Director

John J. Dallahan             Senior Vice President,       None
9800 Fredericksburg Rd.      Investment Services
San Antonio, TX  78288

Carl W. Shirley              Senior Vice President,       None
9800 Fredericksburg Rd.      Insurance Company Portfolios
San Antonio, TX  78288

Michael D. Wagner            Vice President, Secretary    Secretary
9800 Fredericksburg Rd.      and Counsel
San Antonio, TX  78288

Sherron A. Kirk              Vice President and           Treasurer
9800 Fredericksburg Rd.      Controller
San Antonio, TX  78288


                                       C-7

<PAGE>



Alex M. Ciccone              Vice President,              Assistant
9800 Fredericksburg Rd.      Compliance                   Secretary
San Antonio, TX 78288

        (c)   Not Applicable

Item 30.      Location of Accounts and Records

              The following entities prepare,  maintain and preserve the records
              required by Section  31(a) of the  Investment  Company Act of 1940
              (the "1940 Act") for the  Registrant.  These services are provided
              to the Registrant  through written  agreements between the parties
              to  the  effect  that  such  services  will  be  provided  to  the
              Registrant   for  such  periods   prescribed   by  the  Rules  and
              Regulations of the Securities  and Exchange  Commission  under the
              1940 Act and such records are the property of the entity  required
              to maintain  and  preserve  such  records and will be  surrendered
              promptly on request:

USAA Investment Management Company
9800 Fredericksburg Rd.
San Antonio, Texas 78288

USAA Shareholder Account Services
10750 Robert F. McDermott Freeway
San Antonio, Texas 78288

State Street Bank and Trust Company
1776 Heritage Drive
North Quincy, Massachusetts 02171

Item 31.      Management Services

              Not Applicable

Item 32.      Undertakings

              The Registrant  hereby undertakes to provide each person to whom a
              prospectus is delivered a copy of the  Registrant's  latest annual
              report(s) to shareholders upon request and without charge.

                                       C-8

<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 amendment
to its  Registration  Statement  to be signed on its behalf by the  undersigned,
thereunto duly authorized,  in the City of San Antonio and State of Texas on the
day of March, 1997.
    
                                                        USAA MUTUAL FUND, INC.

                                                        /s/ Michael J.C. Roth
                                                        ---------------------
                                                        Michael J.C. Roth
                                                        President

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

        (Signature)          (Title)                       (Date)

   
/s/ Robert G. Davis
- --------------------------   Chairman of the               March 24, 1997
Robert G. Davis              Board of Directors
    

/s/Michael J.C. Roth         Vice Chairman of the Board    March 24, 1997
- --------------------------   of Directors and President
Michael J.C. Roth            (Principal Executive Officer)


/s/ Sherron A. Kirk          Treasurer and (Principal      March 24, 1997
- --------------------------   Financial and
Sherron A. Kirk              Accounting Officer)


/s/ John W. Saunders, Jr.    Director                      March 24, 1997
- --------------------------
John W. Saunders, Jr.


   
/s/ Robert L. Mason          Director                      March 24, 1997
- --------------------------
Robert L. Mason

    

/s/ Howard L. Freeman, Jr.   Director                      March 24, 1997
- --------------------------
Howard L. Freeman, Jr.


/s/ Richard A. Zucker        Director                      March 24, 1997
- --------------------------
Richard A. Zucker



/s/ Barbara B. Dreeben       Director                      March 24, 1997
- --------------------------
Barbara B. Dreeben



                                       C-9

<PAGE>



                                   SIGNATURES
   
      Equity 500 Index has duly caused this Post-Effective Amendment No. 44 to
the Registration Statement on Form N-1A of USAA Mutual Fund, Inc., to be signed
on its behalf by the undersigned, thereunto duly authorized in the City of
Pittsburgh and the Commonwealth of Pennsylvania on the 4th day of April, 1997.

EQUITY 500 INDEX PORTFOLIO


  By:  /s/ Ronald M. Petnuch*
       ---------------------------
       Ronald M. Petnuch
       President

      This Post Effective Amendment No. 44 to the Registration Statement of
Form N-1A of USAA Mutual Fund, Inc. has been signed below by the following
persons in the capacities indicated with respect to Equity 500 Index Portfolio
on April 4, 1997.


 SIGNATURE                           TITLE 
                         

/s/ Philip W. Coolidge*              Trustee
- --------------------------          
Philip W. Coolidge         


/s/ Charles P. Biggar*               Trustee
- --------------------------                                        
Charles P. Biggar


/s/ Philip Saunders, Jr.*            Trustee                            
- --------------------------
Philip Saunders, Jr.


/s/ S. Leland Dill*                  Trustee                             
- --------------------------
S. Leland Dill


/s/ Ronald M. Petnuch*               President and Treasurer
- --------------------------           (Chief Executive Officer,
Ronald M. Petnuch                    Principal Financial and
                                     Accounting Officer)



*By:  /s/ Jay S. Neuman
      ---------------------------
      Jay S. Neuman, Secretary of Equity 500 Index Portfolio,
               as Attorney-in-Fact pursuant to a Power of Attorney filed 
               herewith.



    


                                      C-10

<PAGE>



                                  Exhibit Index

Exhibit                             Item                            Page No. *


   
   1 (a)   Articles of Incorporation dated October 10, 1980 (1)
     (b)   Articles of Amendment dated January 14, 1981 (1)
     (c)   Articles Supplementary dated July 28, 1981 (1)
     (d)   Articles Supplementary dated November 3, 1982 (1)
     (e)   Articles of Amendment dated May 18, 1983 (1)
     (f)   Articles Supplementary dated August 8, 1983 (1)
     (g)   Articles Supplementary dated July 27, 1984 (1)
     (h)   Articles Supplementary dated November 5, 1985 (1)
     (i)   Articles Supplementary dated January 23, 1987 (1)
     (j)   Articles Supplementary dated May 13, 1987 (1)
     (k)   Articles Supplementary dated January 25, 1989 (1)
     (l)   Articles Supplementary dated May 2, 1991 (1)
     (m)   Articles Supplementary dated November 14, 1991 (1)
     (n)   Articles Supplementary dated April 14, 1992 (1)
     (o)   Articles Supplementary dated November 4, 1992 (1)
     (p)   Articles Supplementary dated March 23, 1993 (1)
     (q)   Articles Supplementary dated May 5, 1993 (1)
     (r)   Articles Supplementary dated November 8, 1993 (1)
     (s)   Articles Supplementary dated January 18, 1994 (1)
     (t)   Articles Supplementary dated November 9, 1994 (1)
     (u)   Articles Supplementary dated November 8, 1995 (2)
     (v)   Articles Supplementary dated February 6, 1996 (3)
     (w)   Articles Supplementary dated March 12, 1996 (4)
     (x)   Articles Supplementary dated November 13, 1996
             (filed herewith)                                           69
    

   2       Bylaws, as amended March 12, 1996 (4)

   3       Voting trust agreement - Not Applicable

   4       Specimen certificates for shares of
     (a)   Growth Fund (1)
     (b)   Income Fund (1)
     (c)   Money Market Fund (1)
     (d)   Aggressive Growth Fund (1)
     (e)   Income Stock Fund (1)
     (f)   Growth & Income Fund (1)
     (g)   Short-Term Bond Fund (1)
     (h)   S&P 500 Index Fund (4)

   
   5 (a)   Advisory  Agreement dated September 21, 1990 (1) (b) 
            Letter Agreement dated June 1, 1993 adding Growth &
            Income Fund and Short-Term Bond Fund (1)
     (c)   Management Agreement dated May 1, 1996 with respect
            to the S&P 500 Index Fund (5)
     (d)   Administration Agreement dated May 1, 1996 with
            respect to the S&P 500 Index Fund (5)
     (e)   Letter Agreement to the Management Agreement dated
            May 1, 1996 with respect to the S&P 500 Index Fund (5)
     (f)   Amendment to Administration Agreement dated May 1, 
            1997 with respect to the S&P 500 Index Fund 
            (filed herewith)                                            73

    

                                      C-11

<PAGE>



                            Exhibit Item                         Page No. *


   6 (a)   Underwriting  Agreement dated July 25, 1990 (1)
     (b)   Letter  Agreement dated June 1, 1993 adding Growth
            & Income Fund and Short-Term Bond Fund (1)
     (c)   Letter Agreement dated May 1, 1996 adding S&P 500 
            Index Fund (5)

   7       Not Applicable

   8 (a)   Custodian Agreement dated November 3, 1982 (1)
     (b)   Letter Agreement dated April 20, 1987 adding Income
            Stock Fund (1)
     (c)   Amendment No. 1 to the Custodian Contract dated
            October 30, 1987 (1)
     (d)   Amendment to the Custodian Contract dated November 3,
            1988 (1)
     (e)   Amendment to the Custodian Contract dated February 6,
            1989 (1)
     (f)   Amendment to the Custodian Contract dated November 8
            1993 (1)
     (g)   Letter Agreement dated June 1, 1993 adding Growth &
            Income Fund and  Short-Term  Bond Fund (1)
     (h)   Subcustodian  Agreement  dated March 24, 1994 (3)
     (i)   Custodian  Agreement dated May 1, 1996 with respect
            to the S&P 500 Index Fund (5)
     (j)   Subcustodian Agreement dated May 1, 1996 with 
            respect to the S&P 500 Index Fund (5)
     (k)   Letter Agreement to the Custodian Agreement dated
            May 1, 1996 with respect to the S&P 500 Index Fund(5)
     (l)   Amendment to Custodian Contract dated May 13, 1996 (5)

   
   9 (a)   Articles of Merger  dated  January 30, 1981 (1)
     (b)   Transfer  Agency Agreement  dated January 23, 1992 (1)
     (c)   Letter  Agreement  dated June 1, 1993 to Transfer 
            Agency Agreement adding Growth & Income Fund and 
            Short-Term Bond Fund (1)
     (d)   Amendments dated May 3, 1995 to the Transfer Agency
            Agreement Fee Schedules for Growth Fund, Aggressive
            Growth Fund, Income Fund,Growth & Income Fund, Income
            Stock Fund, Money Market Fund, and Short-Term Bond 
            Fund (1)
     (e)   Amendment No. 1 to Transfer Agency Agreement dated 
            November 14, 1995 (2)
     (f)   Third Party Feeder Fund Agreement dated May 1, 1996
            with respect to the S&P 500 Index Fund (5)
     (g)   Letter  Agreement to Transfer  Agency  Agreement 
            dated May 1, 1996 adding S&P 500 Index Fund (5)
     (h)   Transfer  Agency  Agreement Fee Schedule  dated 
            May 1, 1996 for S&P 500 Index Fund (5)
     (i)   Master Revolving Credit Facility Agreement with USAA
            Capital Corporation  dated January 14, 1997
            (filed herwith)                                             75
     (j)   Master Revolving Credit Facility Agreement with
            NationsBank of Texas dated January 15, 1997
            (filed herewith)                                            98

 10  (a)   Opinion of Counsel with respect to the Growth Fund,
            Income Fund, Money Market Fund, Income Stock Fund,
            Growth & Income Fund, and Short-Term Bond Fund (2)
     (b)   Opinion of Counsel with respect to the S&P 500 Index
            Fund (3)
     (c)   Consent of Counsel with respect to the S&P 500 Index
             Fund(filed herewith)                                       126
     (d)   Opinion and Consent of Counsel with respect to the 
            Aggressive Growth Fund (6)


                                      C-12

<PAGE>


Exhibit                             Item                             Page No. *

     (e)   Consent of Counsel with respect Growth Fund, Income 
            Fund,Money Market Fund, Income Stock Fund, Growth &
            Income Fund,and Short-Term Bond Fund (6)


   11      Independent Accountants' Consent (filed herewith)            128
    

   12      Financial Statements omitted from prospectus -
            Not Applicable

   13(a)   Subscription and Investment Letter for Growth &
            Income Fund and Short-Term Bond Fund (1)
     (b)   Subscription and Investment Letter for S&P 500 Index
            Fund (5)

   14      Prototype Plans
     (a)   USAA INVESTMENT MANAGEMENT COMPANY IRA Handbook (1)
     (b)   USAA INVESTMENT MANAGEMENT COMPANY SEP-IRA Handbook(1)
     (c)   USAA INVESTMENT MANAGEMENT COMPANY 403(b)(7) Handbook(1)

    15     12b-1 Plans - Not Applicable

   16      Schedule for Computation of Performance Quotation (1)

   
   17      Financial Data Schedule
     (a)   Growth Fund (filed herewith)                                 130
     (b)   Aggressive Growth Fund (filed herewith)                      132
     (c)   Income Fund (filed herewith)                                 134
     (d)   Money Market Fund (filed herewith)                           136
     (e)   Income Stock Fund (filed herewith)                           138
     (f)   Growth & Income Fund (filed herewith)                        140
     (g)   Short-Term Bond Fund (filed herewith)                        142
     (h)   S&P 500 Index Fund (filed herewith)                          144
    

   18      Plan Adopting Multiple Classes of Shares - Not Applicable

   
   19      Powers of Attorney
     (a)   Powers of Attorney for Michael J.C. Roth, Sherron A. Kirk,
              John W. Saunders, Jr., George E. Brown,  Howard L. 
              Freeman, Jr.,and Richard A. Zucker dated November 8,
              1993 (1)
     (b)   Power of Attorney for Barbara B. Dreeben dated September 12,
            1995 (1)
     (c)   With respect to the S&P 500 Index Fund, Powers of Attorney for
            Ronald M. Petnuch, Philip W. Coolidge, Charles P. Biggar,
            S. Leland Dill, and Philip Saunders, Jr. Trusess of the 
            Equity 500 Index Portfolio, dated September 30, 1996 (filed
            herewith)                                                   146
     (d)   Power of Attorney for Robert G. Davis (filed herewith)       149
     (e)   Power of Attorney for Robert L. Mason (filed herewith)       151
    


   (1)     Previously filed with Post-Effective Amendment No. 38 of
            the Registrant (No. 2-49560) filed with the Securities 
            and Exchange Commission on September 29, 1995.
   (2)     Previously filed with Post-Effective Amendment No. 39
            of the Registrant (No. 2-49560) filed with the Securities 
            and Exchange Commission on November 21, 1995.

   (3)     Previously filed with Post-Effective Amendment No. 40
            of the Registrant (No. 2-49560) filed with the Securities
            and Exchange Commission on February 15, 1996.


                                      C-13

<PAGE>



   (4)     Previously filed with Post-Effective Amendment No. 41 of
            the Registrant (No. 2-49560) filed with the Securities 
            and Exchange Commission on April 26, 1996.

   (5)     Previously filed with Post-Effective Amendment No. 42 of 
            the Registrant (No. 2-49560) filed with the Securities 
            and Exchange Commission on September 11, 1996.

   
   (6)     Previously filed with Post-Effective Amendment No. 43 of 
            the Registrant (No. 2-49560) filed with the Securities and
            Exchange Commission on October 1, 1996.
    

   * Refers to sequentially numbered pages

                                      C-14

<PAGE>




                                  EXHIBIT 1(x)



                             USAA MUTUAL FUND, INC.


                             Articles Supplementary


          USAA Mutual Fund, Inc., a Maryland  Corporation,  having its principal
          office in San Antonio, Texas (the "Corporation"), hereby certifies to
the State Department of Assessments and Taxation of Maryland that:

          FIRST: The Corporation is registered as an open-end investment company
under the Investment Company Act of 1940.

          SECOND: (a) In accordance with Section 2-105(c) of the Maryland
          General Corporation Law, the Board of Directors has heretofore
authorized  the  issuance  of  5,000,000,000  shares  of  capital  stock  of the
Corporation ($.01 par value per share).

          (b) In accordance with Section 2-105(c) of the Maryland General
          Corporation Law and pursuant to authority expressly vested in the
          Board  of  Directors  by  the   Articles  of   Incorporation   of  the
Corporation,  the Board of Directors  hereby  increases the aggregate  number of
shares  of stock  of the  class  of  shares  designated  as the  Growth  Fund by
classifying an additional 25,000,000 shares of the authorized and unissued stock
of the Corporation into the Growth Fund.

       THIRD:  The  additional   shares  of  the  Growth  Fund  shall  have  the
preferences,  rights, voting powers, restrictions,  limitations as to dividends,
qualifications,  and terms and  conditions as are described in Article VI of the
Articles of Incorporation.

       FOURTH: (a) As of immediately before and after the increase in the
total number of shares classified as shares of the Growth Fund, the total number
of shares of stock of all classes that the Corporation had and has authority to
issue was and is 5,000,000,000 shares ($.01 par value per share).

               (b) Before the increase in the total number of shares classified
as shares of the Growth Fund, there were classified 75,000,000 shares of the 
Growth Fund, 50,000,000 shares of the Aggressive Growth Fund, 135,000,000 shares
of the Income Stock Fund, 200,000,000 shares of the Income Fund, 2,250,000,000 
shares of the Money Market Fund, 250,000,000 shares of the Federal Securities
Money Market Fund, 25,000,000 shares of the Short-Term Bond Fund, 50,000,000 
shares of the Growth & Income Fund and 50,000,000 shares of the S&P 500 Index 
Fund.
<PAGE>

               (c) After the increase in the total number of shares classified 
as shares of the Aggressive Growth Fund, there are classified 100,000,000 shares
of the Growth Fund, 50,000,000 shares of the Aggressive Growth Fund, 135,000,000
shares of the Income Stock Fund, 200,000,000 shares of the Income Fund,
2,250,000,000 shares of the Money Market Fund, 250,000,000 shares of the Federal
Securities Money Market Fund, 25,000,000 shares of the Short-Term Bond Fund,
50,000,000 shares of the Growth & Income Fund and 50,000,000 shares of the S&P
500 Index Fund.

          (d) As of immediately before and after the increase in the total
number of shares classified as shares of the Growth Fund, the aggregate par
value of all shares of all classes of stock authorized to be issued by the
Corporation was and is $50,000,000.

          IN WITNESS WHEREOF, USAA Mutual Fund, Inc. has caused these presents
to be signed in its name and on its behalf by its President and witnessed by its
Secretary on November 13, 1996.

WITNESS:                                                 USAA MUTUAL FUND, INC.



/s/ Michael D. Wagner                                    /s/ Michael J.C. Roth
- ---------------------                                    --------------------- 
Michael D. Wagner                                        Michael J. C. Roth
Secretary                                                President


<PAGE>


       THE  UNDERSIGNED,  President of USAA Mutual Fund,  Inc.,  who executed on
behalf of the Corporation  the foregoing  Articles  Supplementary  of which this
certificate  is made a part,  hereby  acknowledges  in the name and on behalf of
said Corporation the foregoing Articles Supplementary to be the corporate act of
said  Corporation  and  hereby  certifies  that to the  best  of his  knowledge,
information,  and belief the matters and facts set forth therein with respect to
the  authorization  and approval thereof are true in all material respects under
the penalties of perjury.


                                                         USAA MUTUAL FUND, INC.




                                                         /s/ Michael J.C. Roth
                                                         ---------------------
                                                         Michael J. C. Roth
                                                         President



<PAGE>


contract\mf\articles\11-13-96.gf



                                  EXHIBIT 5(f)



                      AMENDMENT TO ADMINISTRATION AGREEMENT

       AGREEMENT  made as of the 1st day of May, 1997,  between USAA  INVESTMENT
MANAGEMENT  COMPANY,  a  corporation  organized  under  the laws of the state of
Delaware   and  having  a  place  of  business  in  San   Antonio,   Texas  (the
"Administrator"),  and USAA MUTUAL FUND, INC., a corporation organized under the
laws of the state of Maryland  and having a place of  business  in San  Antonio,
Texas (the "Company").

       WHEREAS,   the   Administrator   and  the   Company  are  parties  to  an
Administration  Agreement  dated May 1, 1996  (the  "Administration  Agreement")
governing  the terms  and  conditions  under  which  the  Administrator  renders
administrative services to the USAA S&P 500 Index Fund ("Fund"), a series of the
Company; and

       WHEREAS,  the Company's  Board of Directors has determined  that the fees
charged by the  Administrator in providing  administrative  services to the Fund
are fair and  reasonable  in light of the fees charged by others for services of
the same nature and quality;

       NOW, THEREFORE,  in consideration of the premises and covenants contained
herein,  the  Administrator  and the  Company  hereby  amend the  Administration
Agreement by replacing paragraph 4(a) with the following:

     (a) For the services and facilities to be provided by the Administrator as
provided in paragraph 2 hereof, the Fund shall pay to the Administrator a
monthly fee computed as a percentage of aggregate average net assets of the
Fund, which on an annual basis is equal to the lesser of (1) six hundredths of
one percent (.06%) of the Monthly Average Net Assets (defined below) of the Fund
for such calendar month, or (2) the amount that brings the Expense Ratio up to
eighteen hundredths of one percent (.18%). For purposes of this paragraph, the
term "Expense Ratio" means the sum of (i) the total Fund annual operating
expenses as a percentage of the Fund's average net assets and (ii) the total
annual operating expenses of any other Fund in which the Fund invests all of its
investable assets as a percentage of such Fund's aggregate average net assets.

       IN WITNESS  WHEREOF,  the parties  hereto have  caused the  Amendment  to
Administration Agreement to be executed as of the date first set forth above.


USAA MUTUAL FUND, INC.                      USAA INVESTMENT MANAGEMENT COMPANY


By:  /s/ Michael J.C. Roth                  By:  /s/ John W. Saunders, Jr.
     ------------------------                    -------------------------
    MICHAEL J.C. ROTH                           JOHN W. SAUNDERS, JR.
    President                                   Senior Vice President

ATTEST:                                    ATTEST:

   /s/ Michael D. Wagner                  /s/ Alex M. Ciccone
   -------------------------              --------------------------------
   MICHAEL D. WAGNER                      ALEX M. CICCONE
   Secretary                              Assistant Secretary







                                  EXHIBIT 9(i)



January 14, 1997


USAA Mutual Fund, Inc.,
USAA Investment Trust,
USAA Tax Exempt Fund,  Inc., and 
USAA State Tax-Free Trust, on behalf of and for the
benefit of the series 
of funds comprising each such Borrower 
as set forth on Schedule A hereto 
9800 Fredericksburg Road
San Antonio, Texas 78288

Attention: Michael J.C. Roth, President

Gentlemen:

This  Facility  Agreement  Letter  (this  "Agreement")  sets forth the terms and
conditions  for loans (each a "Loan" and  collectively  the "Loans")  which USAA
Capital  Corporation  ("CAPCO")  may from time to time make  during  the  period
commencing  January 14, 1997 and ending January 13, 1998 (the "Facility Period")
to USAA Mutual Fund,  Inc., USAA Investment  Trust,  USAA Tax Exempt Fund, Inc.,
and USAA State Tax-Free Trust,  and each  investment  company which may become a
party hereto  pursuant to the terms of this  Agreement  (each a  "Borrower"  and
collectively  the  "Borrowers"),  each of which is executing  this  Agreement on
behalf  of and for the  benefit  of the  series  of funds  comprising  each such
Borrower as set forth on Schedule A hereto (as hereafter  modified or amended in
accordance with the terms hereof) (each a "Fund" and  collectively the "Funds"),
under a master  revolving  credit  facility (the  "Facility").  USAA  Investment
Management  Company is the Manager  and  Investment  Advisor of each Fund.  This
Agreement  replaces in its entirety that certain Facility Agreement Letter dated
January 15,  1996,  between the  Borrowers  and CAPCO.  CAPCO and the  Borrowers
hereby agree as follows:

         1. Amount.  The  aggregate  principal  amount of the Loans which may be
advanced  under this  Facility  shall not exceed,  at any one time  outstanding,
Seven Hundred  Fifty Million  Dollars  ($750,000,000).  The aggregate  principal
amount of the Loans  which may be  borrowed  by a Borrower  for the benefit of a
particular  Fund under this Facility  shall not exceed the borrowing  limit (the
"Borrowing  Limit")  on  borrowings  applicable  to such  Fund,  as set forth on
Schedule A hereto.

         2. Purpose and  Limitations on  Borrowings.  Each Borrower will use the
proceeds of each Loan made to it solely for  temporary or emergency  purposes of
the Fund for whose  benefit  it is  borrowing  in  accordance  with such  Fund's
Borrowing  Limit (Schedule A) and prospectus in effect at the time of such Loan.
Portfolio  securities  may not be  purchased  by a Fund  while  there  is a Loan
outstanding under the Facility or any other facility, if the aggregate amount of
such Loan and any other such loan exceeds 5% of the total assets of such Fund.

         3.  Borrowing  Rate and  Maturity  of Loans.  CAPCO may make Loans to a
Borrower and the  principal  amount of the Loans  outstanding  from time to time
shall bear interest at a rate per annum equal to the rate at which CAPCO obtains
funding  in the  capital  markets  plus a  standard  mark-up  to  cover  CAPCO's
operating  costs (not to exceed 8 basis points).  Interest on the Loans shall be
calculated  on the basis of a year of 360 days and the actual  days  elapsed but
shall not exceed the highest  lawful rate.  Each loan will be for an established
number of days agreed upon by the applicable Borrower and CAPCO. Notwithstanding
the above,  all Loans to a Borrower  shall be made available at a rate per annum
equal  to  the  rate  at  which  CAPCO  would  make  loans  to  affiliates   and
subsidiaries.  Further,  if the CAPCO rate  exceeds the rate at which a Borrower
could obtain funds pursuant to the  NationsBank of Texas,  N.A.  ("NationsBank")
364-day committed  $100,000,000  Master Revolving Credit Facility,  the Borrower
will in the absence of predominating circumstances, borrow from NationsBank. Any
past due principal  and/or  accrued  interest  shall bear interest at a rate per
annum equal to the aggregate of the Federal Funds Rate plus 1 percent (100 basis
points) and shall be payable on demand.

         4. Advances, Payments, Prepayments and Readvances. Upon each Borrower's
request,  and subject to the terms and conditions  contained  herein,  CAPCO may
make Loans to each  Borrower on behalf of and for the benefit of its  respective
Fund(s)  during the Facility  Period,  and each Borrower may at CAPCO's sole and
absolute discretion, borrow, repay and reborrow funds hereunder. The Loans shall
be evidenced by a duly executed and delivered Master Grid Promissory Note in the
form of Exhibit A. Each Loan shall be in an  aggregate  amount not less than One
Hundred  Thousand  United States  Dollars (U.S.  $100,000) and increments of One
Thousand  United States  Dollars  (U.S.  $1,000) in excess  thereof.  Payment of
principal  and  interest  due with  respect to each Loan shall be payable at the
maturity of such Loan and shall be made in funds immediately  available to CAPCO
prior to 2 p.m.  San  Antonio  time on the day such  payment is due, or as CAPCO
shall  otherwise  direct  from  time to  time  and,  subject  to the  terms  and
conditions hereof, may be repaid with the proceeds of a new borrowing hereunder.
Notwithstanding  any  provision of this  Agreement to the  contrary,  all Loans,
accrued but unpaid interest and other amounts payable hereunder shall be due and
payable upon termination of the Facility (whether by acceleration or otherwise).

         5.       Facility Fee.   As this Facility is uncommitted, no facility
fee shall be charged by CAPCO.

         6.       Optional Termination.   The  Borrowers  shall have the right
upon at least  three (3)  business days prior written notice to CAPCO, to
terminate the Facility.

         7. Mandatory Termination of the Facility. The Facility, unless extended
by  written  amendment,  shall  automatically  terminate  on the last day of the
Facility Period and any Loans then  outstanding  (together with accrued interest
thereon and any other amounts owing  hereunder) shall be due and payable on such
date.
         8. Uncommitted Facility. The Borrowers acknowledge that the Facility is
an uncommitted facility and that CAPCO shall have no obligation to make any Loan
requested during the Facility Period under this Agreement.  Further, CAPCO shall
not make any Loan if this Facility has been  terminated by the Borrowers,  or if
at the time of a request for a Loan by a Borrower  (on behalf of the  applicable
Fund(s)) there exists any Event of Default or condition which,  with the passage
of time or giving of notice,  or both,  would  constitute  or become an Event of
Default with respect to such Borrower (or such applicable Fund(s)).

         9. Loan Requests.  Each request for a Loan (each a "Borrowing  Notice")
shall be in writing by the applicable Borrower(s),  except that such Borrower(s)
may make an oral  request  (each an "Oral  Request")  provided  that  each  Oral
Request shall be followed by a written Borrowing Notice within one business day.
Each  Borrowing  Notice  shall  specify  the  following  terms  (Terms")  of the
requested  Loan:  (i) the date on which such Loan is to be  disbursed,  (ii) the
principal  amount of such Loan,  (iii) the Borrower(s)  which are borrowing such
Loan and the amount of such Loan to be borrowed by each Borrower, (iv) the Funds
for whose benefit the loan is being borrowed and the amount of the Loan which is
for the benefit of each such Fund,  and (v) the  requested  maturity date of the
Loan.  Each Borrowing  Notice shall also set forth the total assets of each Fund
for whose  benefit a portion  of the Loan is being  borrowed  as of the close of
business on the day  immediately  preceding the date of such  Borrowing  Notice.
Borrowing  notices  shall be delivered to CAPCO by 9:00 a.m. San Antonio time on
the day the Loan is requested to be made.

Each  Borrowing  Notice  shall  constitute  a  representation  to  CAPCO  by the
applicable Borrower(s) that all of the representations and warranties in Section
12 hereof  are true and  correct as of such date and that no Event of Default or
other  condition  which with the  passage of time or giving of notice,  or both,
would result in an Event of Default, has occurred or is occurring.

         10.      Confirmations;  Crediting  of Funds;  Reliance  by CAPCO. 
Upon  receipt by CAPCO of a  Borrowing Notice:

                  (a) CAPCO  shall  provide  each  applicable  Borrower  written
confirmation  of the Terms of such Loan via  facsimile or  telecopy,  as soon as
reasonably practicable;  provided,  however, that the failure to do so shall not
affect the obligation of any such Borrower;

                  (b) CAPCO shall make such Loan in accordance with the Terms by
transfer of the Loan amount in immediately  available  funds,  to the account of
the  applicable  Borrower(s)  as specified in Exhibit B to this  Agreement or as
such  Borrower(s)  shall  otherwise  specify to CAPCO in a writing  signed by an
Authorized Individual (as defined in Section 11) of such Borrower(s); and
                 
                  (c) CAPCO  shall make  appropriate  entries on the Note or the
records of CAPCO to reflect the Terms of the Loan; provided,  however,  that the
failure to do so shall not affect the obligation of any Borrower.

CAPCO  shall be  entitled  to rely upon and act  hereunder  pursuant to any Oral
Request  which  it  reasonably  believes  to have  been  made by the  applicable
Borrower  through an Authorized  Individual.  If any Borrower  believes that the
confirmation  relating to any Loan  contains any error or  discrepancy  from the
applicable Oral Request, such Borrower will promptly notify CAPCO thereof.

         11.  Borrowing  Resolutions  and Officers'  Certificates.  Prior to the
making  of any  Loan  pursuant  to this  Agreement,  the  Borrowers  shall  have
delivered  to  CAPCO  (a)  the  duly  executed  Note,  (b)  Resolutions  of each
Borrower's Trustees or Board of Directors  authorizing such Borrower to execute,
deliver  and perform  this  Agreement  and the Note on behalf of the  applicable
Funds,  (c) an  Officer's  Certificate  in  substantially  the form set forth in
Exhibit  D to  this  Agreement,  authorizing  certain  individuals  ("Authorized
Individuals"),  to take on behalf of each Borrower (on behalf of the  applicable
Funds) actions  contemplated by this Agreement and the Note, and (d) the Opinion
of Counsel to USAA  Investment  Management  Company,  Manager and Advisor to the
Borrowers, with respect to such matters as CAPCO may reasonably request .

         12.  Representations and Warranties.  In order to induce CAPCO to enter
into this Agreement and to make the Loans provided for hereunder,  each Borrower
hereby makes with respect to itself, and as may be relevant, the series of Funds
comprising such Borrower,  the following  representations and warranties,  which
shall survive the execution and delivery hereof and of the Note:

                  (a) Organization, Standing, etc. The Borrower is a corporation
or trust duly organized, validly existing, and in good standing under applicable
state laws and has all requisite corporate or trust power and authority to carry
on its respective  businesses as now conducted and proposed to be conducted,  to
enter  into this  Agreement  and all other  documents  to be  executed  by it in
connection with the transactions  contemplated hereby, to issue and borrow under
the Note and to carry out the terms hereof and thereof;

                  (b) Financial Information;  Disclosure,  etc. The Borrower has
furnished CAPCO with certain financial  statements of such Borrower with respect
to itself and the applicable Funds, all of which such financial  statements have
been  prepared in  accordance  with  generally  accepted  accounting  principles
applied on a  consistent  basis and fairly  present the  financial  position and
results of operations of such Borrower and the applicable Funds on the dates and
for the periods indicated.  Neither this Agreement nor any financial statements,
reports or other documents or  certificates  furnished to CAPCO by such Borrower
or the applicable Funds in connection with the transactions  contemplated hereby
contain any untrue  statement  of a material  fact or omit to state any material
fact  necessary to make the statements  contained  herein or therein in light of
the circumstances when made not misleading;

                  (c)  Authorization;  Compliance  with Other  Instruments.  The
execution,  delivery  and  performance  of  this  Agreement  and the  Note,  and
borrowings  hereunder,  have been duly authorized by all necessary  corporate or
trust action of the  Borrower  and will not result in any  violation of or be in
conflict with or constitute a default under any term of the charter,  by-laws or
trust  agreement of such Borrower or the applicable  Funds,  or of any borrowing
restrictions  or  prospectus  or statement  of  additional  information  of such
Borrower or the applicable  Funds,  or of any agreement,  instrument,  judgment,
decree,  order,  statute,  rule or  governmental  regulation  applicable to such
Borrower, or result in the creation of any mortgage, lien, charge or encumbrance
upon any of the  properties or assets of such Borrower or the  applicable  Funds
pursuant to any such term.  The  Borrower  and the  applicable  Funds are not in
violation of any term of their respective  charter,  by-laws or trust agreement,
and such Borrower and the applicable  Funds are not in violation of any material
term of any agreement or instrument to which they are a party, or to the best of
such Borrower's  knowledge,  of any judgment,  decree,  order,  statute, rule or
governmental regulation applicable to them;

                  (d) SEC Compliance.  The Borrower and the applicable Funds are
in compliance in all material  respects with all federal and state securities or
similar laws and  regulations,  including all material  rules,  regulations  and
administrative  orders of the Securities and Exchange Commission (the ASEC") and
applicable Blue Sky  authorities.  The Borrower and the applicable  Funds are in
compliance in all material respects with all of the provisions of the Investment
Company Act of 1940,  and such  Borrower has filed all reports with the SEC that
are required of it or the applicable Funds;

                  (e) Litigation. There is no action, suit or proceeding pending
or, to the best of the Borrower's knowledge, threatened against such Borrower or
the applicable Funds in any court or before any arbitrator or governmental  body
which seeks to restrain any of the  transactions  contemplated by this Agreement
or which, if adversely  determined,  could have a material adverse effect on the
assets or business  operations of such Borrower or the  applicable  Funds or the
ability of such  Borrower  and the  applicable  Funds to pay and  perform  their
obligations hereunder and under the Notes; and

                  (f) Borrowers'  Relationship to Funds. The assets of each Fund
for whose benefit Loans are borrowed by the  applicable  Borrower are subject to
and  liable  for  such  Loans  and are  available  (except  as  subordinated  to
borrowings under the NationsBank  committed facility) to the applicable Borrower
for the repayment of such Loans.

         13.  Affirmative  Covenants  of the  Borrowers.  Until such time as all
amounts of principal  and  interest  due to CAPCO by a Borrower  pursuant to any
Loan made to such Borrower is  irrevocably  paid in full, and until the Facility
is terminated,  such Borrower (for itself and on behalf of its respective Funds)
agrees:

                  (a) To deliver to CAPCO as soon as  possible  and in any event
within  ninety (90) days after the end of each fiscal year of such  Borrower and
the  applicable  Funds,  Statements  of Assets and  Liabilities,  Statements  of
Operations and Statements of Changes in Net Assets of each  applicable  Fund for
such  fiscal  year,  as set forth in each  applicable  Fund's  Annual  Report to
shareholders  together  with a  calculation  of the  maximum  amount  which each
applicable  Fund could  borrow under its  Borrowing  Limit as of the end of such
fiscal year;

                  (b) To deliver to CAPCO as soon as available  and in any event
within  seventy-five  (75) days after the end of each semiannual  period of such
Borrower  and the  applicable  Funds,  Statements  of  Assets  and  Liabilities,
Statement  of  Operations  and  Statements  of  Changes  in Net  Assets  of each
applicable  Fund as of the end of such semiannual  period,  as set forth in each
applicable Fund's Semiannual Report to shareholders, together with a calculation
of the  maximum  amount  which  each  applicable  Fund  could  borrow  under its
Borrowing Limit at the end of such semiannual period;

                  (c) To deliver to CAPCO prompt notice of the occurrence of any
event or  condition  which  constitutes,  or is likely to result in, a change in
such  Borrower  or any  applicable  Fund which could  reasonably  be expected to
materially adversely affect the ability of any applicable Fund to promptly repay
outstanding  Loans made for its  benefit  or the  ability  of such  Borrower  to
perform its obligations under this Agreement or the Note;

                  (d) To do,  or cause  to be  done,  all  things  necessary  to
preserve and keep in full force and effect the  corporate or trust  existence of
such Borrower and all permits,  rights and privileges  necessary for the conduct
of its  businesses  and to comply in all material  respects with all  applicable
laws,  regulations  and  orders,  including  without  limitation,  all rules and
regulations promulgated by the SEC;

                  (e) To promptly  notify  CAPCO of any  litigation,  threatened
legal  proceeding  or  investigation  by a  governmental  authority  which could
materially  affect  the  ability of such  Borrower  or the  applicable  Funds to
promptly  repay the  outstanding  Loans or otherwise  perform their  obligations
hereunder; and

                  (f) In the event a Loan for the benefit of a  particular  Fund
is not repaid in full  within 10 days after the date it is  borrowed , and until
such Loan is repaid in full, to deliver to CAPCO, within two business days after
each Friday  occurring after such 10th day, a statement  setting forth the total
assets of such Fund as of the close of business on each such Friday.


         14. Negative Covenants of the Borrowers. Until such time as all amounts
of principal  and interest due to CAPCO by a Borrower  pursuant to any Loan made
to such  Borrower  is  irrevocably  paid in full,  and  until  the  Facility  is
terminated,  such  Borrower (for itself and on behalf of its  respective  Funds)
agrees:
                  (a) Not to incur any  indebtedness  for borrowed  money (other
than pursuant to the One Hundred Million Dollar ($100,000,000)  committed Master
Revolving  Credit Facility with  NationsBank and for overdrafts  incurred at the
custodian  of the Funds  from  time to time in the  normal  course of  business)
except the Loans, without the prior written consent of CAPCO, which consent will
not be unreasonably withheld; and

                  (b) Not to dissolve or terminate  its  existence,  or merge or
consolidate with any other person or entity, or sell all or substantially all of
its assets in a single transaction or series of related transactions (other than
assets  consisting of margin stock),  each without the prior written  consent of
CAPCO, which consent will not be unreasonably withheld; provided that a Borrower
may without such consent merge,  consolidate with, or purchase substantially all
of the assets  of, or sell  substantially  all of its  assets to, an  affiliated
investment  company  or series  thereof,  as  provided  for in Rule 17a-8 of the
Investment Company Act of 1940.

         15.      Events of Default.        If any of the  following  events
(each an  "Event of  Default")  shall occur (it being  understood that an Event
of Default with respect to one Fund or Borrower  shall not constitute an Event
of Default with respect to any other Fund or Borrower):

                  (a) Any  Borrower  or Fund  shall  default  in the  payment of
principal or interest on any Loan or any other fee due hereunder for a period of
five (5) days after the same  becomes  due and  payable,  whether at maturity or
with respect to any Facility Fee at a date fixed for the payment thereof;

                  (b) Any Borrower or Fund shall default in the  performance  of
or  compliance  with any term  contained  in Section 13 hereof and such  default
shall not have been  remedied  within  thirty  (30) days  after  written  notice
thereof shall have been given such Borrower or Fund by CAPCO;

                  (c)      Any Borrower or Fund shall default in the performance
of or  compliance  with any term contained in Section 14 hereof;

                  (d) Any Borrower or Fund shall default in the  performance  or
compliance with any other term contained  herein and such default shall not have
been remedied  within thirty (30) days after written  notice  thereof shall have
been given such Borrower or Fund by CAPCO;

                  (e) Any  representation or warranty made by a Borrower or Fund
herein or pursuant  hereto  shall prove to have been false or  incorrect  in any
material respect when made;

                  (f)  USAA  Investment  Management  Company  or  any  successor
manager or investment  adviser,  provided that such  successor in a wholly-owned
subsidiary  of CAPCO,  shall cease to be the Manager and  Investment  Advisor of
each Fund; or

                  (g) An event of default  shall occur and be  continuing  under
any other facility; then, in any event, and at any time thereafter, if any Event
of Default shall be  continuing,  CAPCO may by written  notice to the applicable
Borrower or Fund (i)  terminate  the Facility  with respect to such  Borrower or
Fund and (ii) declare the principal  and interest in respect of any  outstanding
Loans with respect to such Borrower or Fund, and all other amounts due hereunder
with  respect  to such  Borrower  or Fund,  to be  immediately  due and  payable
whereupon the  principal  and interest in respect  thereof and all other amounts
due  hereunder  shall  become  forthwith  due and payable  without  presentment,
demand,  protest or other notice of any kind, all of which are expressly  waived
by the Borrowers.

         16.  New  Borrowers;  New  Funds.  So long as no  Event of  Default  or
condition  which,  with the  passage of time or the  giving of notice,  or both,
would  constitute or become an Event of Default has occurred and is  continuing,
and with the prior  consent of CAPCO,  which  consent  will not be  unreasonably
withheld:

                  (a) Any  investment  company  that  becomes  part of the  same
"group of investment companies" (as that term is defined in Rule 11a-3 under the
Investment  Company Act of 1940) as the original  Borrowers  to this  Agreement,
may, by  submitting  an amended  Schedule A and Exhibit B to this  Agreement  to
CAPCO (which  amended  Schedule A and Exhibit B shall replace the  corresponding
Schedule and Exhibit  which are, then a part of this  Agreement)  and such other
documents as CAPCO may reasonably request,  become a party to this Agreement and
may become a "Borrower" hereunder; and

                  (b) A Borrower may, by  submitting  an amended  Schedule A and
Exhibit B to this  Agreement  to CAPCO (which  amended  Schedule A and Exhibit B
shall  replace the  corresponding  Schedule and Exhibit which are then a part of
this Agreement), add additional Funds for whose benefit such Borrower may borrow
Loans.  No such  amendment  of  Schedule  A to this  Agreement  shall  amend the
Borrowing Limit applicable to any Fund without the prior approval of CAPCO.

         17. Limited Recourse.  CAPCO agrees (i) that any claim,  liability,  or
obligation  arising  hereunder  or under  the Note  whether  on  account  of the
principal of any Loan,  interest  thereon,  or any other amount due hereunder or
thereunder  shall be  satisfied  only from the assets of the  specific  Fund for
whose benefit a Loan is borrowed and in any event in an amount not to exceed the
outstanding  principal  amount of any Loan  borrowed  for such  Fund's  benefit,
together with accrued and unpaid interest due and owing thereon, and such Fund's
share of any other amount due  hereunder  and under the Note (as  determined  in
accordance with the provisions hereof) and (ii) that no assets of any fund shall
be used to satisfy any claim,  liability,  or  obligation  arising  hereunder or
under the Note with  respect  to the  outstanding  principal  amount of any Loan
borrowed  for the benefit of any other Fund or any  accrued and unpaid  interest
due and  owing  thereon  or such  other  Fund's  share of any other  amount  due
hereunder and under the Note (as  determined in accordance  with the  provisions
hereof).

         18.  Remedies  on  Default.  In case any one or more  Events of Default
shall  occur and be  continuing,  CAPCO may  proceed to protect  and enforce its
rights  by an action at law,  suit in equity or other  appropriate  proceedings,
against the applicable  Borrower(s)  and/or Fund(s),  as the case may be. In the
case of a default in the payment of any  principal or interest on any Loan or in
the payment of any fee due  hereunder,  the  relevant  Fund(s) (to be  allocated
among  such Funds as the  Borrowers  deem  appropriate)  shall pay to CAPCO such
further  amount  as  shall be  sufficient  to cover  the  cost  and  expense  of
collection,  including,  without  limitation,  reasonable  attorney's  fees  and
expenses.

         19. No Waiver of Remedies.  No course of dealing or failure or delay on
the part of CAPCO in exercising any right or remedy  hereunder or under the Note
shall  constitute  a waiver of any right or remedy  hereunder or under the Note,
nor shall any  partial  exercise of any right or remedy  hereunder  or under the
Note preclude any further exercise thereof or the exercise of any other right or
remedy hereunder or under the Note. Such rights and remedies  expressly provided
are  cumulative  and not  exclusive of any rights or remedies  which CAPCO would
otherwise have.

         20.  Expenses.  The  Fund(s)  (to be  allocated  among the Funds as the
Borrowers deem  appropriate)  shall pay on demand all  reasonable  out-of-pocket
costs and expenses (including  reasonable attorney's fees and expenses) incurred
by CAPCO in connection with the collection and any other enforcement proceedings
of or regarding this Agreement, any Loan or the Note.

         21. Benefit of Agreement.  This Agreement and the Note shall be binding
upon  and  inure  for  the  benefit  of and  be  enforceable  by the  respective
successors  and assigns of the parties  hereto;  provided  that no party to this
Agreement  or the Note may  assign  any of its rights  hereunder  or  thereunder
without the prior written consent of the other parties.

         22.      Notices. All notices  hereunder and all written,  facsimile or
telecopied  confirmations  of Oral Requests  made  hereunder  shall be sent to
the  Borrowers  as  indicated on Exhibit B and to CAPCO as indicated on 
Exhibit C.

         23.      Modifications.    No  provision  of  this  Agreement  or the 
Note  may be  waived,  modified  or discharged  except by mutual written 
agreement of all parties.  THIS WRITTEN LOAN AGREEMENT AND THE NOTE REPRESENT
THE FINAL  AGREEMENT  BETWEEN THE  PARTIES AND MAY NOT BE  CONTRADICTED  BY 
EVIDENCE OF PRIOR,  CONTEMPORANEOUS  OR SUBSEQUENT ORAL AGREEMENTS OF THE 
PARTIES.  THERE ARE NO UNWRITTEN AGREEMENTS BETWEEN THE PARTIES.

         24.      Governing Law and Jurisdiction.    This   Agreement  shall be
governed  by  and  construed  in accordance with the laws of the state of Texas
without regard to the choice of law provisions thereof.

         25. Trust  Disclaimer.  Neither the shareholders,  trustees,  officers,
employees and other agents of any Borrower or Fund shall be personally  bound by
or liable for any indebtedness,  liability or obligation  hereunder or under the
Note nor shall resort be had to their private  property for the  satisfaction of
any obligation or claim hereunder.


If this letter  correctly  reflects your  agreement with us, please execute both
copies hereof and return one to us,  whereupon this  Agreement  shall be binding
upon the Borrowers, the Funds and CAPCO.

Sincerely,

USAA CAPITAL CORPORATION


By:      /s/ Laurie B. Blank
         ----------------------------
         Laurie B. Blank
         Assistant Vice President-Treasurer

AGREED AND ACCEPTED this 14th Day of January, 1997.

USAA MUTUAL FUND,  INC., on behalf of and for the benefit of its series of Funds
as set forth on Schedule A to this Agreement


By:      /s/ Michael J.C. Roth
         ----------------------------
         Michael J.C. Roth
         President


<PAGE>


USAA  INVESTMENT  TRUST, on behalf of and for the benefit of its series of Funds
as set forth on Schedule A to this Agreement


By:      /s/ Michael J.C. Roth
         ----------------------------
         Michael J.C. Roth
         President

USAA TAX EXEMPT  FUND,  INC.,  on behalf of and for the benefit of its series of
Funds as set forth on Schedule A to this Agreement


By:      /s/ Michael J.C. Roth
         ----------------------------
         Michael J.C. Roth
         President


USAA STATE  TAX-FREE  TRUST,  on behalf of and for the  benefit of its series of
Funds as set forth on Schedule A to this Agreement

By:      /s/ Michael J.C. Roth
         ----------------------------
         Michael J.C. Roth
         President


<PAGE>


                                   SCHEDULE A

                        FUNDS FOR WHOSE BENEFIT LOANS CAN
                      BE BORROWED UNDER FACILITY AGREEMENT
                               AND BORROWING LIMIT

Borrower                      Funds                        Borrowing Limit

USAA Mutual Fund, Inc.        USAA Aggressive Growth       5% of Total Assets
                              USAA Growth & Income               "
                              USAA Income Stock                  "
                              USAA Short-Term Bond               "
                              USAA Money Market                  "
                              USAA Growth                        "
                              USAA Income                        "
                              USAA S&P 500 Index                 "

USAA Investment Trust         USAA Cornerstone Strategy          "
                              USAA Gold                          "
                              USAA International                 "
                              USAA World Growth                  "
                              USAA GNMA Trust                    "
                              USAA Treasury Money Market Trust   "
                              USAA Emerging Markets              "
                              USAA Growth and Tax Strategy       "
                              USAA Balanced Strategy             "
                              USAA Growth Strategy               "
                              USAA Income Strategy               "

USAA Tax Exempt Fund, Inc.    USAA Long-Term                     "
                              USAA Intermediate-Term             "
                              USAA Short-Term                    "
                              USAA Tax Exempt Money Market       "
                              USAA California Bond               "
                              USAA California Money Market       "
                              USAA New York Bond                 "
                              USAA New York Money Market         "
                              USAA Virginia Bond                 "
                              USAA Virginia Money Market         "

USAA State Tax-Free Trust     USAA Florida Tax-Free Income       "
                              USAA Florida Tax-Free Money Market "
                              USAA Texas Tax-Free Income         "
                              USAA Texas Tax-Free Money Market   "


<PAGE>


                                                                       EXHIBIT A

                           MASTER GRID PROMISSORY NOTE


U.S. $750,000,000                                        Dated: January 14, 1997


         FOR VALUE  RECEIVED,  each of the  undersigned  (each a "Borrower"  and
collectively the "Borrowers"),  severally and not jointly,  on behalf of and for
the benefit of the series of funds  comprising  each such  Borrower as listed on
Schedule A to the Agreement as defined below (each a "Fund" and collectively the
"Funds")  promises to pay to the order of USAA Capital  Corporation  ("APCO") at
CAPCO's office located at 9800 Fredericksburg Road, San Antonio, Texas 78288, in
lawful money of the United States of America,  in immediately  available  funds,
the principal amount of all Loans made by CAPCO to such Borrower for the benefit
of the applicable  Funds under the Facility  Agreement  Letter dated January 14,
1997 (as amended or modified,  the "Agreement"),  among the Borrowers and CAPCO,
together with interest  thereon at the rate or rates set forth in the Agreement.
All payments of interest and principal  outstanding  shall be made in accordance
with the terms of the Agreement.

         This Note  evidences  Loans made  pursuant  to, and is  entitled to the
benefits of, the Agreement. Terms not defined in this Note shall be as set forth
in the Agreement.

         CAPCO is authorized to endorse the  particulars  of each Loan evidenced
hereby on the attached Schedule and to attach additional Schedules as necessary,
provided  that the  failure of CAPCO to do so or to do so  accurately  shall not
affect the  obligations  of any  Borrower  (or the Fund for whose  benefit it is
borrowing) hereunder.

         Each Borrower waives all claims to presentment,  demand,  protest,  and
notice  of  dishonor.  Each  Borrower  agrees  to pay all  reasonable  costs  of
collection,   including  reasonable  attorney's  fees  in  connection  with  the
enforcement of this Note.

         CAPCO  hereby  agrees  (i) that any  claim,  liability,  or  obligation
arising  hereunder or under the Agreement whether on account of the principal of
any Loan,  interest  thereon,  or any other amount due  hereunder or  thereunder
shall be satisfied only from the assets of the specific Fund for whose benefit a
Loan is  borrowed  and in any event in an amount not to exceed  the  outstanding
principal  amount of any Loan  borrowed for such Fund's  benefit,  together with
accrued and unpaid interest due and owing thereon,  and such Fund's share of any
other amount due hereunder and under the Agreement (as  determined in accordance
with the  provisions of the Agreement) and (ii) that no assets of any Fund shall
be used to satisfy any claim,  liability,  or  obligation  arising  hereunder or
under the Agreement with respect to the outstanding principal amount of any Loan
borrowed  for the benefit of any other Fund or any  accrued and unpaid  interest
due and  owing  thereon  or such  other  Fund's  share of any other  amount  due
hereunder  and  under  the  Agreement  (as  determined  in  accordance  with the
provisions of the Agreement).

         Neither  the  shareholders,  trustees,  officers,  employees  and other
agents of any  Borrower or Fund shall be  personally  bound by or liable for any
indebtedness,  liability  or  obligation  hereunder  or under the Note nor shall
resort be had to their private  property for the  satisfaction of any obligation
or claim hereunder.

         Loans under the Agreement and this Note are  subordinated to loans made
under  the  $100,000,000  364-day  committed  Mater  Revolving  Credit  Facility
Agreement  between the Borrowers and NationsBank of Texas,  N.A.  (NationsBank),
dated  January  15,  1997,  in the  manner  and to the  extent  set forth in the
Agreement among the Borrowers, CAPCO and NationsBank, dated January 15, 1997.

         This Note shall be governed by the laws of the state of Texas.

                                            USAA MUTUAL FUND,  INC., on
                                            behalf   of  and   for  the
                                            benefit  of its  series  of
                                            Funds   as  set   forth  on
                                            Schedule A to the Agreement


                                            By:   /s/ Michael J.C. Roth
                                                  ---------------------
                                                  Michael J.C. Roth
                                                  President


                                            USAA INVESTMENT TRUST,
                                            on behalf of and for the benefit
                                            of its series of Funds as set forth
                                            on Schedule A to the Agreement


                                            By:   /s/ Michael J.C. Roth
                                                  ---------------------
                                                  Michael J.C. Roth
                                                  President


<PAGE>




                                             USAA TAX EXEMPT FUND, INC.,
                                             on  behalf  of and  for the
                                             benefit  of its  series  of
                                             Funds   as  set   forth  on
                                             Schedule A to the Agreement


                                             By:   /s/ Michael J.C. Roth
                                                   ---------------------
                                                   Michael J.C. Roth
                                                   President


                                              USAA STATE TAX-FREE  TRUST,
                                              on  behalf  of and  for the
                                              benefit  of its  series  of
                                              Funds   as  set   forth  on
                                              Schedule A to the Agreement


                                              By:  /s/ Michael J.C. Roth
                                                   ---------------------
                                                   Michael J.C. Roth
                                                   President

 .16901


<PAGE>


                         LOANS AND PAYMENT OF PRINCIPAL

This schedule (grid) is attached to and made a part of the Promissory Note dated
January 14, 1997,  executed by USAA MUTUAL FUND,  INC., USAA  INVESTMENT  TRUST,
USAA TAX EXEMPT FUND,  INC. AND USAA STATE  TAX-FREE  TRUST on behalf of and for
the benefit of the series of funds  comprising each such Borrower payable to the
order of USAA CAPITAL CORPORATION.


[The following Information is Listed in Grid]
Date of Loan
Borrower and Fund
Amount of Loan
Type of Rate and Interest Rate on Date of Borrowing
Amount of Principal Repaid
Date of Repayment
Other Expenses
Notation made by

<PAGE>


                                                                       EXHIBIT B

                            USAA CAPITAL CORPORATION
                                MASTER REVOLVING
                            CREDIT FACILITY AGREEMENT
                           BORROWER INFORMATION SHEET


BORROWER:         USAA MUTUAL FUND,  INC.,  USAA  INVESTMENT  TRUST, USAA TAX
                  EXEMPT  FUND,  INC. AND USAA STATE TAX-FREE TRUST

ADDRESS FOR NOTICES AND OTHER COMMUNICATIONS TO THE BORROWER:

                           9800 Fredericksburg Road
                           San Antonio, Texas 78288 (For Federal Express, 78240)
                           Attention:       John W. Saunders, Jr.
                                            Senior Vice President,
                                            Fixed Income Investments

                           Telephone:       (210) 498-7320
                           Telecopy:        (210) 498-5689

                                            Harry W. Miller
                                            Senior Vice President,
                                            Equity Investments

                           Telephone:       (210) 498-7344
                           Telecopy:        (210) 498-7332

ADDRESS FOR BORROWING AND PAYMENTS:

                           9800 Fredericksburg Road
                           San Antonio, Texas 78288
                           Attention:       Dean R. Pantzar

                           Telephone:       (210) 498-7472
                           Telecopy:        (210) 498-0382 or 498-7819
                           Telex:           767424

INSTRUCTIONS FOR PAYMENTS TO BORROWER:

WE PAY VIA:      X    FED FUNDS               CHIPS

<PAGE>

TO:      (PLEASE PLACE BANK NAME, CORRESPONDENT NAME (IF APPLICABLE),
CHIPS AND/OR FED FUNDS ACCOUNT NUMBER BELOW)

State Street Bank and Trust Company, Boston, Massachusetts

ABA #011-00-0028

USAA MUTUAL FUND, INC.

USAA Aggressive Growth Fund                          Acct.# 6938-502-9

USAA Growth & Income Fund                            Acct.# 6938-519-3

USAA Income Stock Fund                               Acct.# 6938-495-6

USAA Short-Term Bond Fund                            Acct.# 6938-517-7

USAA Money Market Fund                               Acct.# 6938-498-0

USAA Growth Fund                                     Acct.# 6938-490-7

USAA Income Fund                                     Acct.# 6938-494-9

USAA S&P 500 Index Fund                              Acct.#6938-478-2


USAA INVESTMENT TRUST

USAA Cornerstone Strategy Fund                       Acct.# 6938-487-3

USAA Gold Fund                                       Acct.# 6938-488-1

USAA International Fund                              Acct.# 6938-497-2

USAA World Growth Fund                               Acct.# 6938-504-5

USAA GNMA Trust                                      Acct.# 6938-486-5

USAA Treasury Money Market Trust                     Acct.# 6938-493-1

USAA Emerging Markets Fund                           Acct.# 6938-501-1

USAA Growth and Tax Strategy Fund                    Acct.# 6938-509-4

USAA Balanced Strategy Fund                          Acct.# 6938-507-8

<PAGE>
USAA Growth Strategy Fund                            Acct.# 6938-510-2

USAA Income Strategy Fund                            Acct.# 6938-508-6


USAA TAX EXEMPT FUND, INC.

USAA Long-Term Fund                                  Acct.# 6938-492-3

USAA Intermediate-Term Fund                          Acct.# 6938-496-4

USAA Short-Term Fund                                 Acct.# 6938-500-3

USAA Tax Exempt Money Market Fund                    Acct.# 6938-514-4

USAA California Bond Fund                            Acct.# 6938-489-9

USAA California Money Market Fund                    Acct.# 6938-491-5

USAA New York Bond Fund                              Acct.# 6938-503-7

USAA New York Money Market Fund                      Acct.# 6938-511-0

USAA Virginia Bond Fund                              Acct.# 6938-512-8

USAA Virginia Money Market Fund                      Acct.# 6938-513-6


USAA STATE TAX-FREE TRUST

USAA Florida Tax-Free Income Fund                    Acct.# 6938-473-3

USAA Florida Tax-Free Money Market Fund              Acct.# 6938-467-5

USAA Texas Tax-Free Income Fund                      Acct.# 6938-602-7

USAA Texas Tax-Free Money Market Fund                Acct.# 6938-601-9


 .16901

<PAGE>


                                                                       EXHIBIT C

                      ADDRESS FOR USAA CAPITAL CORPORATION

                             USAA Capital Corporation
                             9800 Fredericksburg Road
                             San Antonio, Texas 78288

                             Attention:   Laurie B. Blank
                             Telephone No.: (210) 498-0825
                             Telecopy No.:  (210) 498-6566


 .16901


<PAGE>


                                                                       EXHIBIT D


                              OFFICER'S CERTIFICATE

The undersigned  hereby certifies that he is the duly elected  Secretary of USAA
Mutual Fund,  Inc., USAA Investment  Trust,  USAA Tax Exempt Fund, Inc. and USAA
State  Tax-Free  Trust and that he is authorized to execute this  Certificate on
behalf of USAA Mutual Fund, Inc., USAA Investment  Trust,  USAA Tax Exempt Fund,
Inc. and USAA State Tax-Free Trust. The undersigned  hereby further certifies to
the following:

The following  individuals  are duly  authorized to act on behalf of USAA Mutual
Fund,  Inc.,  USAA Investment  Trust,  USAA Tax Exempt Fund, Inc. and USAA State
Tax-Free Trust, by transmitting telephonic,  telex, or telecopy instructions and
other  communications  with regard to  borrowing  and  payments  pursuant to the
uncommitted Master Revolving Credit Agreement with USAA Capital Corporation. The
signature set opposite the name of each  individual  below is that  individual's
genuine signature.

NAME                       OFFICE                      SIGNATURE


Michael J.C. Roth          President                   /s/ Michael J.C., Roth
                                                       -------------------------

John W. Saunders, Jr.      Senior Vice President,
                           Fixed Income Investments    /s/ John W. Saunders, Jr.
                                                       -------------------------

Harry W. Miller            Senior Vice President,      
                           Equity Investments          /s/ Harry W. Miller
                                                       -------------------------

Kenneth E. Willmann        Vice President,
                           Mutual Fund Portfolios      /s/ Kenneth E. Willmann
                                                       -------------------------

David G. Peebles           Vice President,
                           Equity Investments          /s/ David G. Peebles
                                                       -------------------------

Sherron A. Kirk            Vice President,
                           Controller                  /s/ Sherron A. Kirk
                                                       -------------------------

Dean R. Pantzar            Executive Director,
                           Mutual Fund Accounting      /s/ Dean R. Pantzar
                                                       -------------------------

IN WITNESS  WHEREOF,  I have  executed this  Certificate  as of this 14th day of
January, 1997.



                                                       /s/ Michael D. Wagner
                                                       ----------------------
                                                       MICHAEL D. WAGNER
                                                       Secretary



<PAGE>


I, Michael J.C.  Roth,  President of USAA Mutual  Fund,  Inc.,  USAA  Investment
Trust,  USAA Tax Exempt Fund,  Inc. And USAA State Tax-Free Trust hereby certify
that  Michael D.  Wagner is, and has been at all times since a date prior to the
date of this Certificate,  the duly elected,  qualified, and acting Secretary of
USAA Mutual Fund,  Inc., USAA Investment  Trust,  USAA Tax Exempt Fund, Inc. And
USAA State Tax-Free Trust and that the signature set forth above is his true and
correct signature.

DATE: January 14, 1997                                 /s/ Michael J.C. Roth
                                                       -------------------------
                                                       MICHAEL J. C. ROTH
                                                       President


 .16901


                                  EXHIBIT 9(j)

January 15, 1997

USAA Mutual Fund, Inc.,
USAA Investment Trust,
USAA Tax Exempt Fund,  Inc., and 
USAA State Tax-Free Trust, on behalf 
of and for the benefit of the series
of funds comprising each such Borrower
as set forth on Schedule A hereto 
9800 Fredericksburg Road
San Antonio, Texas 78288


Attention:      Michael J.C. Roth, President

Gentlemen:

This  Facility  Agreement  Letter  (this  "Agreement")  sets forth the terms and
conditions  for  loans  (each a  "Loan"  and  collectively  the  "Loans")  which
NationsBank  of Texas,  N.A.  (the  "Bank")  agrees to make  during  the  period
commencing  January 15, 1997 and ending January 14, 1998 (the "Facility Period")
to USAA Mutual Fund,  Inc., USAA Investment  Trust,  USAA Tax Exempt Fund, Inc.,
and USAA State Tax-Free Trust,  and each  investment  company which may become a
party hereto  pursuant to the terms of this  Agreement  (each a  "Borrower"  and
collectively  the  "Borrowers"),  each of which is executing  this  Agreement on
behalf  of and for the  benefit  of the  series  of funds  comprising  each such
Borrower as set forth on Schedule A hereto (as hereafter  modified or amended in
accordance with the terms hereof) (each a "Fund" and  collectively the "Funds"),
under a master  revolving  credit  facility  (the  "Facility").  This  Agreement
replaces in its entirety that certain  Facility  Agreement  Letter dated January
16, 1996, as heretofore amended or modified, between the Borrowers and the Bank.
The Bank and the Borrowers hereby agree as follows:

       1. Amount. The aggregate principal amount of the Loans to be advanced
under this Facility shall not exceed, at any one time outstanding, One Hundred
Million United States Dollars (U.S. $100,000,000) (the "Commitment"). The
aggregate principal amount of the Loans which may be
<PAGE>

borrowed by a Borrower for the benefit of a  particular  Fund under the Facility
and the Other  Facility  (hereinafter  defined)  shall not exceed the percentage
(the  "Borrowing  Limit")  of the  total  assets  of such  Fund as set  forth on
Schedule A hereto.

       2. Purpose and  Limitations  on  Borrowings.  Each  Borrower will use the
proceeds of each Loan made to it solely for  temporary or emergency  purposes of
the Fund for whose  benefit  it is  borrowing  in  accordance  with such  Fund's
Borrowing  Limit and  prospectus  in effect at the time of such Loan.  Portfolio
securities  may not be  purchased  by a Fund while  there is a Loan  outstanding
under the Facility  and/or a loan  outstanding  under the Other Facility for the
benefit of such Fund, if the  aggregate  amount of such Loan and such other loan
exceeds 5% of the total assets of such Fund.  The  Borrowers  will not, and will
not permit any Fund to, directly or indirectly, use any proceeds of any Loan for
any  purpose  which would  violate  any  provision  of any  applicable  statute,
regulation, order or restriction,  including, without limitation,  Regulation U,
Regulation T, Regulation X or any other  regulation of the Board of Governors of
the Federal  Reserve System or the Securities  Exchange Act of 1934, as amended.
If requested by the Bank,  the Borrowers  will promptly  furnish the Bank with a
statement in conformity  with the  requirements  of Federal  Reserve Form U-1 as
referred to in Regulation U.

       3.  Borrowing  Rate and Maturity of Loans.  The  principal  amount of the
Loans  outstanding  from time to time  shall bear  interest  at a rate per annum
equal to, at the option of the applicable Borrower(s),  (i) the aggregate of the
Federal Funds Rate (as defined  below) plus .125 of one percent (1%) (12.5 basis
points) or (ii) the aggregate of the London  Interbank  Offered Rate (as defined
below) plus 12.5 basis points.  The rate of interest payable on such outstanding
amounts  shall  change on each date that the  Federal  Funds Rate shall  change.
Interest on the Loans shall be calculated on the basis of a year of 360 days and
the actual days elapsed but shall not exceed the highest lawful rate.  Each Loan
will be for an  established  number of days to be agreed upon by the  applicable
Borrower(s) and the Bank and, in the absence of such  agreement,  will mature on
the earlier of three  months  after the date of such Loan or the last day of the
Facility Period.  The term "Federal Funds Rate," as used herein,  shall mean the
overnight  rate for  Federal  funds  transactions  between  member  banks of the
Federal Reserve System, as published by the Federal Reserve Bank of New York or,
if not so published,  as determined in good faith by the Bank in accordance with
its customary  practices;  and the term "London Interbank Offered Rate," as used
herein, shall mean the rate per annum at which United States dollar deposits are
offered by the Bank in the London interbank  market at approximately  11:00 a.m.
London time two business days prior to the first day of the interest  period (of
7 or 14 days or one,  two or three  months as selected by the  Borrower(s))  for
which the London Interbank  Offered Rate is to be in effect,  as adjusted by the
Bank in good  faith  and in  accordance  with its  customary  practices  for any
reserve costs imposed on the Bank under Federal Reserve Board  Regulation D with
respect to "Euro-currency Liabilities".  The London Interbank Offered Rate shall
not be  available  hereunder  if it  would be  unlawful  for the Bank to make or
maintain  Loans  based on such rate or if such rate does not,  in the good faith
judgment  of the  Bank,  fairly  reflect  the  cost  to the  Bank of  making  or
maintaining  Loans. The London Interbank Offered Rate shall not be available for
any interest period which,  if such rate were  available,  would begin after the
occurrence  and  during the  continuation  of an Event of  Default  (as  defined
below).  Any past due principal and/or accrued interest shall bear interest at a
rate per annum  equal to the  aggregate  of the  Federal  Funds  Rate plus 1.125
percent  (112.5 basis points) and shall be payable on demand.  If the applicable
Borrowers do not affirmatively elect to have a Loan or Loans bear interest based
on the London  Interbank  Offered Rate at least two  business  days prior to the
first day of a possible interest period applicable  thereto,  such Loan or Loans
shall bear  interest  based on the  Federal  Funds Rate until such  election  is
affirmatively made.

       4. Advances,  Payments,  Prepayments and Readvances. Upon each Borrower's
request,  and subject to the terms and  conditions  contained  herein,  the Bank
shall  make  Loans to each  Borrower  on  behalf of and for the  benefit  of its
respective  Fund(s)  during the Facility  Period,  and each Borrower may borrow,
repay and  reborrow  funds  hereunder.  The Loans shall be  evidenced  by a duly
executed and  delivered  Master Grid  Promissory  Note in the form of Exhibit A.
Each Loan shall be in an  aggregate  amount not less than One  Hundred  Thousand
United States  Dollars (U.S.  $100,000)  and  increments of One Thousand  United
States  Dollars  (U.S.  $1,000)  in excess  thereof.  Payment of  principal  and
interest  due with respect to each Loan shall be payable at the maturity of such
Loan and shall be made in funds  immediately  available  to the Bank  prior to 2
p.m.  Dallas time on the day such payment is due, or as the Bank shall otherwise
direct from time to time and, subject to the terms and conditions hereof, may be
repaid  with the  proceeds of a new  borrowing  hereunder.  Notwithstanding  any
provision  of this  Agreement  to the  contrary,  all Loans,  accrued but unpaid
interest  and other  amounts  payable  hereunder  shall be due and payable  upon
termination of the Facility (whether by acceleration or otherwise).  If any Loan
bearing interest based on the London Interbank Offered Rate is repaid or prepaid
other than on the last day of an interest period  applicable  thereto,  the Fund
which is the beneficiary of such Loan shall pay to the Bank promptly upon demand
such amount as the Bank  determines in good faith is necessary to compensate the
Bank for any reasonable cost or expense incurred by the Bank as a result of such
repayment or  prepayment  in  connection  with the  reemployment  of funds in an
amount equal to such repayment or prepayment.  Whenever the Bank seeks to assess
for any such cost or expense it will provide a  certificate  as the  Borrower(s)
shall reasonably request.

       5. Facility Fee. Beginning with the date of this Agreement and until such
time as all Loans have been irrevocably repaid to the Bank in full, and the Bank
is no longer obligated to make Loans, the Funds (to be allocated among the Funds
as the  Borrowers  deem  appropriate)  shall pay to the Bank a facility fee (the
"Facility  Fee") in the  amount of .05 of one  percent  (5 basis  points) of the
amount of the  Commitment,  as it may be  reduced  pursuant  to  section  6. The
Facility Fee shall be payable quarterly in arrears beginning March 31, 1997, and
upon termination of the Facility (whether by acceleration or otherwise).

       6. Optional  Termination or Reduction of Commitment.  The Borrowers shall
have the right upon at least three (3) business days prior written notice to the
Bank,  to terminate  or reduce the unused  portion of the  Commitment.  Any such
reduction of the Commitment shall be in the amount of Five Million United States
Dollars (U.S.  $5,000,000) or any larger integral multiple of One Million United
States  Dollars  (U.S.  $1,000,000)  (except  that any  reduction  may be in the
aggregate  amount of the unused  Commitment).  Accrued  fees with respect to the
terminated Commitment shall be payable to the Bank on the effective date of such
termination.

       7. Mandatory Termination of Commitment. The Commitment shall
automatically terminate on the last day of the Facility Period and any Loans
then outstanding (together with accrued interest thereon and any other amounts
owing hereunder) shall be due and payable on such date.

       8.  Committed  Facility.  The Bank  acknowledges  that the  Facility is a
committed  facility  and  that  the Bank  shall  be  obligated  to make any Loan
requested during the Facility Period under this Agreement,  subject to the terms
and conditions hereof;  provided,  however, that the Bank shall not be obligated
to make any Loan if this Facility has been terminated by the Borrowers, or if at
the time of a request  for a Loan by a  Borrower  (on  behalf of the  applicable
Fund(s)) there exists any Event of Default or condition which,  with the passage
of time or giving of notice,  or both,  would  constitute  or become an Event of
Default with respect to such Borrower (or such applicable Fund(s)).

       9. Loan  Requests.  Each request for a Loan (each a  "Borrowing  Notice")
shall be in writing by the applicable Borrower(s),  except that such Borrower(s)
may make an oral  request  (each an "Oral  Request")  provided  that  each  Oral
Request shall be followed by a written Borrowing Notice within one business day.
Each  Borrowing  Notice  shall  specify the  following  terms  ("Terms")  of the
requested  Loan:  (i) the date on which such Loan is to be  disbursed,  (ii) the
principal  amount of such Loan,  (iii) the Borrower(s)  which are borrowing such
Loan and the amount of such Loan to be borrowed by each Borrower, (iv) the Funds
for whose benefit the Loan is being borrowed and the amount of the Loan which is
for the benefit of each such Fund,  (v) whether such Loan shall bear interest at
the  Federal  Funds  Rate or the London  Interbank  Offered  Rate,  and (vi) the
requested  maturity date of the Loan. Each Borrowing Notice shall also set forth
the total  assets of each Fund for whose  benefit a portion of the Loan is being
borrowed as of the close of business on the day  immediately  preceding the date
of such Borrowing  Notice.  Borrowing  Notices shall be delivered to the Bank by
1:00 p.m.  Dallas time on the day the Loan is  requested to be made if such Loan
is to bear interest based on the Federal Funds Rate or by 10:00 a.m. Dallas time
on the second  business day before the Loan is requested to be made if such Loan
is to bear interest based on the London Interbank Offered Rate.

Each  Borrowing  Notice  shall  constitute a  representation  to the Bank by the
applicable Borrower(s) that all of the representations and warranties in Section
12 hereof  are true and  correct as of such date and that no Event of Default or
other  condition  which with the  passage of time or giving of notice,  or both,
would result in an Event of Default, has occurred or is occurring.

       10. Confirmations; Crediting of Funds; Reliance by the Bank. Upon
receipt by the Bank of a Borrowing Notice:

                (a)  The  Bank  shall  send  each  applicable  Borrower  written
       confirmation of the Terms of such Loan via facsimile or telecopy, as soon
       as reasonably practicable;  provided,  however, that the failure to do so
       shall not affect the obligation of any such Borrower;

                (b) The Bank shall make such Loan in  accordance  with the Terms
       by transfer of the Loan amount in  immediately  available  funds,  to the
       account of the  applicable  Borrower(s) as specified in Exhibit B to this
       Agreement or as such Borrower(s) shall otherwise specify to the Bank in a
       writing signed by an Authorized  Individual (as defined in Section 11) of
       such Borrower(s) and sent to the Bank via facsimile or telecopy; and

                (c) The Bank shall make  appropriate  entries on the Note or the
       records of the Bank to reflect the Terms of the Loan; provided,  however,
       that  the  failure  to do so  shall  not  affect  the  obligation  of any
       Borrower.

The Bank shall be entitled to rely upon and act  hereunder  pursuant to any Oral
Request  which  it  reasonably  believes  to have  been  made by the  applicable
Borrower  through an Authorized  Individual.  If any Borrower  believes that the
confirmation  relating to any Loan  contains any error or  discrepancy  from the
applicable Oral Request, such Borrower will promptly notify the Bank thereof.

       11.  Borrowing  Resolutions  and  Officers'  Certificates;  Subordination
Agreement.  Prior to the  making of any Loan  pursuant  to this  Agreement,  the
Borrowers  shall have  delivered  to the Bank (a) the duly  executed  Note,  (b)
resolutions of each Borrower's  Trustees or Board of Directors  authorizing such
Borrower to execute,  deliver and perform this  Agreement and the Note on behalf
of the applicable Funds, (c) an Officer's  Certificate in substantially the form
set  forth in  Exhibit  D to this  Agreement,  authorizing  certain  individuals
("Authorized Individuals"), to take on behalf of each Borrower (on behalf of the
applicable  Funds)  actions  contemplated  by this Agreement and the Note, (d) a
subordination agreement in substantially the form set forth in Exhibit E to this
Agreement, and (e) the opinion of counsel to USAA Investment Management Company,
manager and advisor to the  Borrowers,  with respect to such matters as the Bank
may reasonably request.

       12. Representations and Warranties.  In order to induce the Bank to enter
into this Agreement and to make the Loans provided for hereunder,  each Borrower
hereby makes with respect to itself, and as may be relevant, the series of Funds
comprising such Borrower the following  representations  and  warranties,  which
shall survive the execution and delivery hereof and of the Note:

                (a) Organization,  Standing,  etc. The Borrower is a corporation
       or trust duly  organized,  validly  existing,  and in good standing under
       applicable state laws and has all requisite  corporate or trust power and
       authority to carry on its  respective  businesses  as now  conducted  and
       proposed  to be  conducted,  to enter into this  Agreement  and all other
       documents  to be  executed  by it in  connection  with  the  transactions
       contemplated  hereby, to issue and borrow under the Note and to carry out
       the terms hereof and thereof;

                (b)  Financial  Information;  Disclosure,  etc. The Borrower has
       furnished  the Bank with certain  financial  statements  of such Borrower
       with  respect  to itself  and the  applicable  Funds,  all of which  such
       financial  statements  have been  prepared in accordance  with  generally
       accepted  accounting  principles applied on a consistent basis and fairly
       present the financial position and results of operations of such Borrower
       and the  applicable  Funds on the  dates and for the  periods  indicated.
       Neither this  Agreement  nor any financial  statements,  reports or other
       documents or  certificates  furnished to the Bank by such Borrower or the
       applicable Funds in connection with the transactions  contemplated hereby
       contain  any untrue  statement  of a  material  fact or omit to state any
       material  fact  necessary  to make the  statements  contained  herein  or
       therein in light of the circumstances when made not misleading;

                (c)  Authorization;   Compliance  with  Other  Instruments.  The
       execution,  delivery and  performance of this Agreement and the Note, and
       borrowings  hereunder,   have  been  duly  authorized  by  all  necessary
       corporate  or trust  action of the  Borrower  and will not  result in any
       violation of or be in conflict  with or  constitute  a default  under any
       term of the charter,  by-laws or trust  agreement of such Borrower or the
       applicable  Funds,  or of any  borrowing  restrictions  or  prospectus or
       statement of additional  information  of such Borrower or the  applicable
       Funds, or of any agreement, instrument, judgment, decree, order, statute,
       rule or governmental regulation applicable to such Borrower, or result in
       the creation of any mortgage, lien, charge or encumbrance upon any of the
       properties or assets of such Borrower or the applicable Funds pursuant to
       any such term. The Borrower and the applicable Funds are not in violation
       of any term of their respective charter,  by-laws or trust agreement, and
       such  Borrower  and the  applicable  Funds  are not in  violation  of any
       material  term of any  agreement or instrument to which they are a party,
       or to the best of such  Borrower's  knowledge,  of any judgment,  decree,
       order, statute, rule or governmental regulation applicable to them;

                (d) SEC Compliance. The Borrower and the applicable Funds are in
       compliance in all material respects with all federal and state securities
       or  similar  laws  and   regulations,   including  all  material   rules,
       regulations  and  administrative  orders of the  Securities  and Exchange
       Commission (the "SEC") and applicable Blue Sky authorities.  The Borrower
       and the applicable Funds are in compliance in all material  respects with
       all of the  provisions of the  Investment  Company Act of 1940,  and such
       Borrower  has filed all reports  with the SEC that are  required of it or
       the applicable Funds;

                (e) Litigation.  There is no action,  suit or proceeding pending
       or, to the best of the  Borrower's  knowledge,  threatened  against  such
       Borrower or the applicable Funds in any court or before any arbitrator or
       governmental  body  which  seeks  to  restrain  any of  the  transactions
       contemplated by this Agreement or which, if adversely  determined,  could
       have a material  adverse  effect on the assets or business  operations of
       such Borrower or the applicable Funds or the ability of such Borrower and
       the applicable Funds to pay and perform their  obligations  hereunder and
       under the Notes; and

                (f) Borrowers'  Relationship  to Funds.  The assets of each Fund
       for whose  benefit  Loans are  borrowed by the  applicable  Borrower  are
       subject to and liable for such Loans and are available to the  applicable
       Borrower for the repayment of such Loans.

       13.  Affirmative  Covenants  of the  Borrowers.  Until  such  time as all
amounts of principal and interest due to the Bank by a Borrower  pursuant to any
Loan made to such Borrower is irrevocably paid in full, and until the Bank is no
longer  obligated to make Loans to such Borrower,  such Borrower (for itself and
on behalf of its respective Funds) agrees:

                (a) To deliver to the Bank as soon as possible  and in any event
       within  ninety  (90)  days  after  the  end of each  fiscal  year of such
       Borrower and the applicable Funds,  Statements of Assets and Liabilities,
       Statements of Operations  and Statements of Changes in Net Assets of each
       applicable  Fund for such fiscal  year,  as set forth in each  applicable
       Fund's Annual Report to  shareholders  together with a calculation of the
       maximum  amount  which  each  applicable  Fund  could  borrow  under  its
       Borrowing Limit as of the end of such fiscal year;

                (b) To deliver to the Bank as soon as available and in any event
       within  seventy-five (75) days after the end of each semiannual period of
       such  Borrower  and  the  applicable  Funds,  Statements  of  Assets  and
       Liabilities,  Statements of Operations  and  Statements of Changes in Net
       Assets of each applicable  Fund as of the end of such semiannual  period,
       as set forth in each applicable Fund's Semiannual Report to shareholders,
       together with a calculation of the maximum  amount which each  applicable
       Fund could borrow under its Borrowing Limit at the end of such semiannual
       period;

                (c) To deliver to the Bank prompt  notice of the  occurrence  of
       any event or condition  which  constitutes,  or is likely to result in, a
       change in such Borrower or any applicable Fund which could  reasonably be
       expected to  materially  adversely  affect the ability of any  applicable
       Fund to  promptly  repay  outstanding  Loans made for its  benefit or the
       ability of such Borrower to perform its obligations  under this Agreement
       or the Note;

                (d) To do, or cause to be done, all things necessary to preserve
       and keep in full force and effect the  corporate  or trust  existence  of
       such Borrower and all permits,  rights and  privileges  necessary for the
       conduct of its businesses and to comply in all material respects with all
       applicable laws,  regulations and orders,  including without  limitation,
       all rules and regulations promulgated by the SEC;

                (e) To promptly  notify the Bank of any  litigation,  threatened
       legal proceeding or investigation by a governmental authority which could
       materially affect the ability of such Borrower or the applicable Funds to
       promptly  repay  the  outstanding   Loans  or  otherwise   perform  their
       obligations hereunder; and

                (f) In the event a Loan for the benefit of a particular  Fund is
       not  repaid in full  within 10 days  after the date it is  borrowed,  and
       until such Loan is repaid in full,  to  deliver  to the Bank,  within two
       business  days  after  each  Friday  occurring  after  such 10th  day,  a
       statement  setting forth the total assets of such Fund as of the close of
       business on each such Friday.

       14. Negative  Covenants of the Borrowers.  Until such time as all amounts
of principal  and  interest  due to the Bank by a Borrower  pursuant to any Loan
made to such  Borrower  is  irrevocably  paid in full,  and until the Bank is no
longer  obligated to make Loans to such Borrower,  such Borrower (for itself and
on behalf of its respective Funds) agrees:

                (a) Not to incur any indebtedness for borrowed money (other than
       pursuant to a $750,000,000  uncommitted  master revolving credit facility
       with USAA  Capital  Corporation  (the "Other  Facility")  and  overdrafts
       incurred at the  custodian of the Funds from time to time in the ordinary
       course of business)  except the Loans,  without the prior written consent
       of the Bank, which consent will not be unreasonably withheld; and

                (b) Not to  dissolve or  terminate  its  existence,  or merge or
       consolidate with any other person or entity, or sell all or substantially
       all  of  its  assets  in  a  single  transaction  or  series  of  related
       transactions (other than assets consisting of margin stock), each without
       the  prior  written  consent  of the  Bank,  which  consent  will  not be
       unreasonably withheld;  provided that a Borrower may without such consent
       merge,  consolidate with, or purchase substantially all of the assets of,
       or sell  substantially  all of its  assets to, an  affiliated  investment
       company  or  series  thereof,  as  provided  for  in  Rule  17a-8  of the
       Investment Company Act of 1940.

       15. Events of Default.  If any of the following events (each an "Event of
Default") shall occur (it being understood that an Event of Default with respect
to one Fund or Borrower shall not constitute an Event of Default with respect to
any other Fund or Borrower):

                (a) Any  Borrower  or  Fund  shall  default  in the  payment  of
       principal  or interest on any Loan or any other fee due  hereunder  for a
       period of five (5) days after the same becomes due and  payable,  whether
       at maturity or with  respect to the  Facility Fee at a date fixed for the
       payment thereof;

                (b) Any Borrower or Fund shall default in the  performance of or
       compliance  with any term contained in Section 13 hereof and such default
       shall not have been remedied within thirty (30) days after written notice
       thereof shall have been given such Borrower or Fund by the Bank;

                (c) Any Borrower or Fund shall default in the performance of or
       compliance with any term contained in Section 14 hereof;

                (d) Any  Borrower or Fund shall  default in the  performance  or
       compliance  with any other term  contained  herein and such default shall
       not have been  remedied  within  thirty  (30) days after  written  notice
       thereof shall have been given such Borrower or Fund by the Bank;

                (e) Any  representation  or warranty  made by a Borrower or Fund
       herein or pursuant  hereto shall prove to have been false or incorrect in
       any material respect when made;

                (f) USAA Investment  Management Company or any successor manager
       or investment  adviser,  provided that such  successor is a  wholly-owned
       subsidiary of USAA Capital Corporation, shall cease to be the Manager and
       investment advisor of each Fund; or

                (g) An event of default shall occur and be continuing under the 
       Other Facility;

then, in any event, and at any time thereafter, if any Event of Default shall be
continuing,  the Bank may by written notice to the  applicable  Borrower or Fund
(i)  terminate  its  commitment  to make  any  Loan  hereunder,  whereupon  said
commitment shall forthwith  terminate  without any other notice of any kind with
respect to such  Borrower or Fund and (ii) declare the principal and interest in
respect of any outstanding  Loans with respect to such Borrower or Fund, and all
other  amounts  due  hereunder  with  respect to such  Borrower  or Fund,  to be
immediately  due and payable  whereupon  the  principal  and interest in respect
thereof and all other  amounts due  hereunder  shall  become  forthwith  due and
payable without presentment, demand, protest or other notice of any kind, all of
which are expressly waived by the Borrowers.

       16. New Borrowers; New Funds. So long as no Event of Default or condition
which,  with the  passage  of time or the  giving  of  notice,  or  both,  would
constitute  or become an Event of Default has  occurred and is  continuing,  and
with the prior  consent  of the Bank,  which  consent  will not be  unreasonably
withheld:

                (a) Any investment  company that becomes part of the same "group
       of investment companies" (as that term is defined in Rule 11a-3 under the
       Investment  Company  Act of  1940)  as the  original  Borrowers  to  this
       Agreement, may, by submitting an amended Schedule A and Exhibit B to this
       Agreement  to the Bank  (which  amended  Schedule  A and  Exhibit B shall
       replace  the  Schedule  A and  Exhibit  B which  are  then a part of this
       Agreement) and such other  documents as the Bank may reasonably  request,
       become a party to this  Agreement and may become a "Borrower"  hereunder;
       and
                (b) A Borrower  may,  by  submitting  an amended  Schedule A and
       Exhibit B to this  Agreement  to the Bank (which  amended  Schedule A and
       Exhibit B shall  replace  the  Schedule A and  Exhibit B which are then a
       part of this  Agreement),  add  additional  Funds for whose  benefit such
       Borrower  may  borrow  Loans.  No such  amendment  of  Schedule A to this
       Agreement shall amend the Borrowing Limit  applicable to any Fund without
       the prior consent of the Bank.

       17. Limited Recourse. The Bank agrees (i) that any claim,  liability,  or
obligation  arising  hereunder  or under  the Note  whether  on  account  of the
principal of any Loan,  interest  thereon,  or any other amount due hereunder or
thereunder  shall be  satisfied  only from the assets of the  specific  Fund for
whose benefit a Loan is borrowed and in any event in an amount not to exceed the
outstanding  principal  amount of any Loan  borrowed  for such  Fund's  benefit,
together with accrued and unpaid interest due and owing thereon, and such Fund's
share of any other amount due  hereunder  and under the Note (as  determined  in
accordance with the provisions hereof) and (ii) that no assets of any Fund shall
be used to satisfy any claim,  liability,  or  obligation  arising  hereunder or
under the Note with  respect  to the  outstanding  principal  amount of any Loan
borrowed  for the benefit of any other Fund or any  accrued and unpaid  interest
due and  owing  thereon  or such  other  Fund's  share of any other  amount  due
hereunder and under the Note (as  determined in accordance  with the  provisions
hereof).

       18. Remedies on Default.  In case any one or more Events of Default shall
occur and be continuing,  the Bank may proceed to protect and enforce its rights
by an action at law, suit in equity or other  appropriate  proceedings,  against
the applicable  Borrower(s) and/or Fund(s), as the case may be. In the case of a
default  in the  payment  of any  principal  or  interest  on any Loan or in the
payment of any fee due hereunder,  the relevant  Fund(s) (to be allocated  among
such Funds as the Borrowers deem appropriate) shall pay to the Bank such further
amount as shall be  sufficient  to cover  the cost and  expense  of  collection,
including, without limitation, reasonable attorney's fees and expenses.

       19. No Waiver of  Remedies.  No course of  dealing or failure or delay on
the part of the Bank in  exercising  any right or remedy  hereunder or under the
Note shall  constitute  a waiver of any right or remedy  hereunder  or under the
Note, nor shall any partial  exercise of any right or remedy  hereunder or under
the Note  preclude  any further  exercise  thereof or the  exercise of any other
right or remedy hereunder or under the Note. Such rights and remedies  expressly
provided are  cumulative  and not exclusive of any rights or remedies  which the
Bank would otherwise have.

       20.  Expenses.  The  Fund(s)  (to be  allocated  among  the  Funds as the
Borrowers deem  appropriate)  shall pay on demand all  reasonable  out-of-pocket
costs and expenses (including  reasonable attorney's fees and expenses) incurred
by the  Bank  in  connection  with  the  collection  and any  other  enforcement
proceedings of or regarding this Agreement, any Loan or the Note.

       21.  Benefit of Agreement.  This  Agreement and the Note shall be binding
upon  and  inure  for  the  benefit  of and  be  enforceable  by the  respective
successors  and assigns of the parties  hereto;  provided  that no party to this
Agreement  or the Note may  assign  any of its rights  hereunder  or  thereunder
without the prior written  consent of the other  parties.  The Bank may not sell
participations  and  subparticipations  in all or any  part  of the  Loans  made
hereunder without the prior consent of the Borrowers, which consent shall not be
unreasonably withheld.

       22.  Notices.  All  notices  hereunder  and all  written,  facsimiled  or
telecopied  confirmations  of Oral Requests made hereunder  shall be sent to the
Borrowers  as  indicated on Exhibit B and to the Bank as indicated on Exhibit C.
Written  communications  shall be deemed  to have  been  duly  given and made as
follows: If sent by mail,  seventy-two (72) hours after deposit in the mail with
first-class postage prepaid,  addressed as provided in Exhibit B (the Borrowers)
and Exhibit C (the Bank);  and in the case of facsimile  or  telecopy,  when the
facsimile  or telecopy is received if on a business day or otherwise on the next
business day.

       23. Modifications. No provision of this Agreement or the Note may be
waived, modified or discharged except by mutual written agreement of all
parties. THIS WRITTEN LOAN AGREEMENT AND THE NOTE REPRESENT THE FINAL AGREEMENT
BETWEEN THE PARTIES AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR,
CONTEMPORANEOUS OR SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES. THERE ARE NO
UNWRITTEN AGREEMENTS BETWEEN THE PARTIES.

       24.  Increased  Cost and  Reduced  Return.  If at any time after the date
hereof,  the Bank  (which  shall  include,  for  purposes of this  Section,  any
corporation  controlling the Bank)  determines that the adoption or modification
of any applicable law regarding the Bank's  required  levels of reserves,  other
than the  reserve  requirement  taken into  account  when  computing  the London
Interbank  Offered  Rate as  provided  in Section 3, or capital  (including  any
allocation of capital requirements or conditions),  or similar requirements,  or
any  interpretation  or  administration   thereof  by  a  governmental  body  or
compliance  by the Bank  with any of such  requirements,  has or would  have the
effect of (a) increasing the Bank's costs relating to the Loans, or (b) reducing
the yield or rate of  return of the Bank on the  Loans,  to a level  below  that
which the Bank could have achieved but for the adoption or  modification  of any
such  requirements,  the Funds (to be allocated among the Funds as the Borrowers
deem  appropriate)  shall,  within fifteen (15) days of any request by the Bank,
pay to the Bank such additional  amounts as (in the Bank's sole judgment,  after
good  faith  and  reasonable  computation)  will  compensate  the  Bank for such
increase in costs or reduction in yield or rate of return of the Bank.  Whenever
the Bank shall seek compensation for any increase in costs or reduction in yield
or rate of return, the Bank shall provide a certificate as the Borrower(s) shall
reasonably request.  Failure by the Bank to demand payment within 90 days of any
additional  amounts payable  hereunder  shall  constitute a waiver of the Bank's
right to demand payment of such amounts at any subsequent  time.  Nothing herein
contained  shall be construed  or so operate as to require the  Borrowers or the
Funds to pay any interest,  fees,  costs or charges greater than is permitted by
applicable law.

       25. Governing Law and Jurisdiction. This Agreement shall be governed
by and construed in accordance with the laws of the state of Texas without
regard to the choice of law provisions thereof.

       26.  Trust  Disclaimer.  Neither the  shareholders,  trustees,  officers,
employees and other agents of any Borrower or Fund shall be personally  bound by
or liable for any indebtedness,  liability or obligation  hereunder or under the
Note nor shall resort be had to their private  property for the  satisfaction of
any obligation or claim hereunder.

If this letter  correctly  reflects your  agreement with us, please execute both
copies hereof and return one to us,  whereupon this  Agreement  shall be binding
upon the Borrowers, the Funds and the Bank.

Sincerely,

NATIONSBANK OF TEXAS, N.A.


By: /s/ Kate Salletly
    -----------------
    Title: Senior Vice President


AGREED AND ACCEPTED:

USAA MUTUAL FUND,  INC., on behalf of and for the benefit of its series of Funds
as set forth on Schedule A to this Agreement


By: /s/ Michael J.C. Roth
    ---------------------
    Michael J.C. Roth
    President



USAA  INVESTMENT  TRUST, on behalf of and for the benefit of its series of Funds
as set forth on Schedule A to this Agreement


By: /s/ Michael J.C. Roth
    ---------------------
    Michael J.C. Roth
    President


USAA TAX EXEMPT  FUND,  INC.,  on behalf of and for the benefit of its series of
Funds as set forth on Schedule A to this Agreement


By: /s/ Michael J.C. Roth
    ---------------------
    Michael J.C. Roth
    President


USAA STATE  TAX-FREE  TRUST,  on behalf of and for the  benefit of its series of
Funds as set forth on Schedule A to this Agreement


By: /s/ Michael J.C. Roth
    ---------------------
    Michael J.C. Roth
    President



                                   SCHEDULE A


                        FUNDS FOR WHOSE BENEFIT LOANS CAN
                      BE BORROWED UNDER FACILITY AGREEMENT
                               AND BORROWING LIMIT



                                                  Maximum Percent of the
                                                  Total Assets Which Can
                                                  Be Borrowed Under Facility
  Borrower                  Funds                 Agreement and Other Facility

USAA Mutual Fund, Inc.     USAA Aggressive Growth                25%
                           USAA Growth & Income                  25
                           USAA Income Stock                     25
                           USAA Short-Term Bond                  25
                           USAA Money Market                     25
                           USAA Growth                           25
                           USAA Income                           25
                           USAA S&P 500 Index                    25

USAA Investment Trust      USAA Cornerstone Strateg              25
                           USAA Gold                             25
                           USAA International                    25
                           USAA World Growth                     25
                           USAA GNMA Trust                       25
                           USAA Treasury Money Market Trust      25
                           USAA Emerging Markets                 25
                           USAA Growth and Tax Strategy          25
                           USAA Growth Strategy                  25
                           USAA Income Strategy                  25
                           USAA Balanced Strategy                25

USAA Tax Exempt Fund, Inc. USAA Long-Term                        15
                           USAA Intermediate-Term                15
                           USAA Short-Term                       15
                           USAA Tax Exempt Money Market          15
                           USAA California Bond                  15
                           USAA California Money Market          15
                           USAA New York Bond                    15
                           USAA New York Money Market            15
                           USAA Virginia Bond                    15
                           USAA Virginia Money Market            15

USAA State Tax-Free Trust  USAA Florida Tax-Free Income          15
                           USAA Florida Tax-Free Money Market    15
                           USAA Texas Tax-Free Income            15
                           USAA Texas Tax-Free Money Market      15


<PAGE>


                                                                    EXHIBIT A

                           MASTER GRID PROMISSORY NOTE

U.S. $100,000,000                                       Dated:  January 15, 1997

         FOR VALUE  RECEIVED,  each of the  undersigned  (each a "Borrower"  and
collectively the "Borrowers"),  severally and not jointly,  on behalf of and for
the benefit of the series of funds  comprising  each such  Borrower as listed on
Schedule A to the Agreement as defined below (each a "Fund" and collectively the
"Funds") promises to pay to the order of NATIONSBANK OF TEXAS, N.A. (the "Bank")
at the Bank's office located at 901 Main Street,  Dallas,  Dallas County,  Texas
75202, in lawful money of the United States of America, in immediately available
funds,  the principal  amount of all Loans made by the Bank to such Borrower for
the benefit of the applicable  Funds under the Facility  Agreement  Letter dated
January 15, 1997 (as amended or modified, the "Agreement"),  among the Borrowers
and the Bank,  together with interest  thereon at the rate or rates set forth in
the Agreement.  All payments of interest and principal outstanding shall be made
in accordance with the terms of the Agreement.

         This Note  evidences  Loans made  pursuant  to, and is  entitled to the
benefits of, the Agreement. Terms not defined in this Note shall be as set forth
in the Agreement.

         The  Bank is  authorized  to  endorse  the  particulars  of  each  Loan
evidenced hereby on the attached Schedule and to attach additional  Schedules as
necessary, provided that the failure of the Bank to do so or to do so accurately
shall not affect the  obligations of any Borrower (or the Fund for whose benefit
it is borrowing) hereunder.

         Each Borrower waives all claims to presentment,  demand,  protest,  and
notice  of  dishonor.  Each  Borrower  agrees  to pay all  reasonable  costs  of
collection,   including  reasonable  attorney's  fees  in  connection  with  the
enforcement of this Note.

         The Bank hereby  agrees (i) that any claim,  liability,  or  obligation
arising  hereunder or under the Agreement whether on account of the principal of
any Loan,  interest  thereon,  or any other amount due  hereunder or  thereunder
shall be satisfied only from the assets of the specific Fund for whose benefit a
Loan is  borrowed  and in any event in an amount not to exceed  the  outstanding
principal  amount of any Loan  borrowed for such Fund's  benefit,  together with
accrued and unpaid interest due and owing thereon,  and such Fund's share of any
other amount due hereunder and under the Agreement (as  determined in accordance
with the  provisions of the Agreement) and (ii) that no assets of any Fund shall
be used to satisfy any claim,  liability,  or  obligation  arising  hereunder or
under the Agreement with respect to the outstanding principal amount of any Loan
borrowed  for the benefit of any other Fund or any  accrued and unpaid  interest
due and  owing  thereon  or such  other  Fund's  share of any other  amount  due
hereunder  and  under  the  Agreement  (as  determined  in  accordance  with the
provisions of the Agreement).

         Neither  the  shareholders,  trustees,  officers,  employees  and other
agents of any  Borrower or Fund shall be  personally  bound by or liable for any
indebtedness,  liability  or  obligation  hereunder  or under the Note nor shall
resort be had to their private  property for the  satisfaction of any obligation
or claim hereunder.

         This Note shall be governed by the laws of the state of Texas.

                                           USAA MUTUAL FUND,  INC., on
                                           behalf   of  and   for  the
                                           benefit  of its  series  of
                                           Funds   as  set   forth  on
                                           Schedule A to the Agreement


                                          By:   /s/ Michael J.C. Roth
                                                ---------------------
                                                Michael J.C. Roth
                                                President


                                           USAA INVESTMENT TRUST,
                                           on behalf of and for the 
                                           benefit of its series of 
                                           Funds as set forth
                                           on Schedule A to the 
                                           Agreement


                                           By:   /s/ Michale J.C. Roth
                                                 ---------------------       
                                                 Michael J.C. Roth
                                                 President


                                           USAA TAX EXEMPT FUND, INC.,
                                           on  behalf  of and  for the
                                           benefit  of its  series  of
                                           Funds   as  set   forth  on
                                           Schedule A to the Agreement


                                           By:   /s/ Michael J.C. Roth
                                                 ---------------------
                                                 Michael J.C. Roth
                                                 President


                                           USAA STATE TAX-FREE  TRUST,
                                           on  behalf  of and  for the
                                           benefit  of its  series  of
                                           Funds   as  set   forth  on
                                           Schedule A to the Agreement


                                           By:   /s/ Michael J.C. Roth
                                                 ---------------------
                                                 Michael J.C. Roth
                                                 President


<PAGE>


                         LOANS AND PAYMENT OF PRINCIPAL


This schedule (grid) is attached to and made a part of the Promissory Note dated
January 15, 1997,  executed by USAA MUTUAL FUND,  INC., USAA  INVESTMENT  TRUST,
USAA TAX EXEMPT FUND,  INC. AND USAA STATE  TAX-FREE  TRUST on behalf of and for
the benefit of the series of funds  comprising each such Borrower payable to the
order of NATIONSBANK OF TEXAS, N.A.

[The following Information is Listed in Grid]
Date of Loan
Borrower and Fund
Amount of Loan
Type of Rate and Interest Rate on Date of Borrowing
Amount of Principal Repaid
Date of Repayment
Other Expenses
Notation made by
            
<PAGE>
                                                                 EXHIBIT B

                           NATIONSBANK OF TEXAS, N.A.
                                MASTER REVOLVING
                            CREDIT FACILITY AGREEMENT
                           BORROWER INFORMATION SHEET


BORROWER: USAA MUTUAL FUND, INC., USAA INVESTMENT TRUST, USAA TAX 
EXEMPT FUND, INC. AND USAA STATE TAX-FREE TRUST 
ADDRESS FOR NOTICES AND OTHER COMMUNICATIONS TO THE BORROWER:

                            9800 Fredericksburg Road
                            San Antonio, Texas  78288 
                            (for Federal Express, 78240)
                            Attention:         John W. Saunders, Jr.
                                               Senior Vice President,
                                               Fixed Income Investments

                            Telephone:         (210) 498-7320
                            Telecopy:          (210) 498-5689

                                               Harry W. Miller
                                               Senior Vice President,
                                               Equity Investments

                            Telephone:         (210) 498-7344
                            Telecopy:          (210) 498-7332

ADDRESS FOR BORROWING AND PAYMENTS:

                            9800 Fredericksburg Road
                            San Antonio, Texas  78288 
                            (for Federal Express, 78240)
                            Attention:         Dean R. Pantzar

                            Telephone:         (210) 498-7472
                            Telecopy:          (210) 498-0382 or 498-7819
                            Telex:             767424

INSTRUCTIONS FOR PAYMENTS TO BORROWER:

WE PAY VIA:          X      FED FUNDS                 CHIPS


<PAGE>


          TO: (PLEASE PLACE BANK NAME, CORESPONDENT NAME (IF APPLICABLE), CHIPS
               AND/OR FED FUNDS ACCOUNT NUMBER BELOW)
State Street Bank and Trust Company, Boston, Massachusetts

ABA #011-00-0028

USAA MUTUAL FUND, INC.

USAA Aggressive Growth Fund                                   Acct.# 6938-502-9

USAA Growth & Income Fund                                     Acct.# 6938-519-3

USAA Income Stock Fund                                        Acct.# 6938-495-6

USAA Short-Term Bond Fund                                     Acct.# 6938-517-7

USAA Money Market Fund                                        Acct.# 6938-498-0

USAA Growth Fund                                              Acct.# 6938-490-7

USAA Income Fund                                              Acct.# 6938-494-9

USAA S&P 500 Index Fund                                       Acct.# 6938-478-2


USAA INVESTMENT TRUST

USAA Cornerstone Strategy Fund                                Acct.# 6938-487-3

USAA Gold Fund                                                Acct.# 6938-488-1

USAA International Fund                                       Acct.# 6938-497-2

USAA World Growth Fund                                        Acct.# 6938-504-5

USAA GNMA Trust                                               Acct.# 6938-486-5

USAA Treasury Money Market Trust                              Acct.# 6938-493-1

USAA Emerging Markets Fund                                    Acct.# 6938-501-1

USAA Growth and Tax Strategy Fund                             Acct.# 6938-509-4

USAA Growth Strategy Fund                                     Acct.# 6938-510-2

USAA Income Strategy Fund                                     Acct.# 6938-508-6

USAA Balanced Strategy Fund                                   Acct.# 6938-507-8


USAA TAX EXEMPT FUND, INC.

USAA Long-Term Fund                                           Acct.# 6938-492-3

USAA Intermediate-Term Fund                                   Acct.# 6938-496-4

USAA Short-Term Fund                                          Acct.# 6938-500-3

USAA Tax Exempt Money Market Fund                             Acct.# 6938-514-4

USAA California Bond Fund                                     Acct.# 6938-489-9

USAA California Money Market Fund                             Acct.# 6938-491-5

USAA New York Bond Fund                                       Acct.# 6938-503-7

USAA New York Money Market Fund                               Acct.# 6938-511-0

USAA Virginia Bond Fund                                       Acct.# 6938-512-8

USAA Virginia Money Market Fund                               Acct.# 6938-513-6


USAA STATE TAX-FREE TRUST

USAA Florida Tax-Free Income Fund                             Acct.# 6938-473-3

USAA Florida Tax-Free Money Market Fund                       Acct.# 6938-467-5

USAA Texas Tax-Free Income Fund                               Acct.# 6938-602-7

USAA Texas Tax-Free Money Market Fund                         Acct.# 6938-601-9


<PAGE>
                                                                       EXHIBIT C

                              ADDRESS FOR THE BANK

                              NationsBank of Texas, N.A.
                              901 Main Street
                              66th Floor
                              Dallas, Texas  75202

                              Attention:  Greg Venker
                              Telephone No.:  (214) 508-0584
                              Telecopy No.:   (214) 508-0604


<PAGE>


                                                                       EXHIBIT D

                              OFFICER'S CERTIFICATE


The undersigned  hereby certifies that he is the duly elected  Secretary of USAA
Mutual Fund,  Inc., USAA Investment  Trust,  USAA Tax Exempt Fund, Inc. and USAA
State  Tax-Free  Trust and that he is authorized to execute this  Certificate on
behalf of USAA Mutual Fund, Inc., USAA Investment  Trust,  USAA Tax Exempt Fund,
Inc. and USAA State Tax-Free Trust. The undersigned  hereby further certifies to
the following:

The following  individuals  are duly  authorized to act on behalf of USAA Mutual
Fund,  Inc.,  USAA Investment  Trust,  USAA Tax Exempt Fund, Inc. and USAA State
Tax-Free Trust, by transmitting telephonic,  telex, or telecopy instructions and
other  communications  with regard to  borrowings  and payments  pursuant to the
Master Revolving Credit Facility  Agreement with NationsBank of Texas,  N.A. The
signature set opposite the name of each  individual  below is that  individual's
genuine signature.

 NAME                   OFFICE                          SIGNATURE

Michael J. C. Roth      President                     /s/ Michael J.C. Roth

John W. Saunders, Jr.   Senior Vice President
                        Fixed Income Investments      /s/John W. Saunders, Jr.

Harry W. Miller         Senior Vice President
                        Equity Investments            /s/ Harry W. Miller

Kenneth E. Willmann     Vice President
                        Mutual Fund Portfolios        /s/ Kenneth E. Willmann

David G. Peebles        Vice President
                        Equity Investments            /s/ David G. Peebles

Sherron A. Kirk         Vice President
                        Controller                    /s/ Sherron A. Kirk

Dean R. Pantzar         Executive Director
                        Mutual Fund Accounting        /s/ Dean R. Pantzar


<PAGE>


IN WITNESS  WHEREOF,  I have  executed  the  Certificate  as of this 15th day of
January, 1997.


                                                      /s/ Michael D. Wagner
                                                      ---------------------
                                                      MICHAEL D. WAGNER
                                                      Secretary


I,  Michael J. C. Roth,  President of USAA Mutual Fund,  Inc.,  USAA  Investment
Trust,  USAA Tax Exempt Fund,  Inc. and USAA State Tax-Free Trust hereby certify
that  Michael D.  Wagner is, and has been at all times since a date prior to the
date of this Certificate,  the duly elected,  qualified, and acting Secretary of
USAA Mutual Fund,  Inc., USAA Investment  Trust,  USAA Tax Exempt Fund, Inc. and
USAA State Tax-Free Trust and that the signature set forth above is his true and
correct signature.

DATE:    January 15, 1997
                                                      /s/ Michael J.C. Roth
                                                      ---------------------
                                                      MICHAEL J. C. ROTH
                                                      President


<PAGE>

                                                                       EXHIBIT E

                              Subordination
NationsBank of Texas, N.A.    Agreement

This is an agreement among:
                                                      Dated:    January 15, 1997
- --------------------------------------------- ----------------------------------
Name and Address of Lender (Including County):
NationsBank of Texas, N.A.
901 Main Street
Dallas, Dallas County, Texas  75202

                                    (Lender)
- ---------------------------------------------  
Name and Address of Borrower:
USAA Mutual Fund, Inc.
USAA Investment Trust
USAA Tax Exempt Fund, Inc.
USAA State Tax-Free Trust
9800 Fredericksburg Road
San Antonio, TX  78288
                                      (Debtor)
- ---------------------------------------------
Name and Address of Creditor:
USAA Capital Corporation
9800 Fredericksburg Road
San Antonio, Texas  78288
                                   (Creditor)
- ---------------------------------------------

 1. Background.  Debtor is or may be indebted to Lender pursuant to that certain
    Facility  Agreement  Letter dated January 15, 1997 between Debtor and Lender
    ("Senior Facility Agreement"). Debtor also is or may be indebted to Creditor
    pursuant to that certain  Facility  Agreement  Letter dated January 14, 1997
    between Debtor and Creditor  ("Subordinated  Facility Agreement").  All debt
    (as hereinafter  defined) under the Senior Facility Agreement is hereinafter
    referred to as "senior debt" and all debt (as hereinafter defined) under the
    Subordinated  Facility Agreement is hereinafter referred to as "subordinated
    debt".

 2. Definition  of Debt.  The term "debt" as used in the terms "senior debt" and
    "subordinated  debt" means all debts,  obligations and  liabilities,  now or
    hereafter  existing,  direct or indirect,  absolute or contingent,  joint or
    several,  secured or  unsecured,  due or not due,  contractual  or tortious,
    liquidated  or  unliquidated,  arising  by  operation  of law or  otherwise,
    irrespective of the person in whose favor such debt may originally have been
    created  and  regardless  of the  manner in which  such debt has been or may
    hereafter  be  acquired  by  Lender  or  Creditor,  as the case may be,  and
    includes  all costs  incurred  to obtain,  preserve,  perfect or enforce any
    security interest,  lien or mortgage, or to collect any debt or to maintain,
    preserve, collect and enforce any collateral, and interest on such amounts.

 3. Subordination of Debt. Until senior debt has been paid in full,  Debtor will
    not pay and Creditor will not accept any payment on subordinated debt at any
    time that an Event of Default (as defined in the Senior Facility  Agreement)
    has occurred and is continuing in respect of senior debt.  Anything of value
    received by Creditor on account of  subordinated  debt in  violation of this
    agreement will be held by Creditor in trust and  immediately  will be turned
    over to Lender in the form received to be applied by Lender on senior debt.

 4. Remedies of Creditor.  Until all senior debt has been paid in full,  without
    Lender's  permission,  Creditor  will  not  be a  party  to  any  action  or
    proceeding  against any person to recover  subordinated  debt.  Upon written
    request  of Lender,  Creditor  will file any claim or proof of claim or take
    any  other  action  to  collect   subordinated   debt  in  any   bankruptcy,
    receivership,  liquidation, reorganization or other proceeding for relief of
    debtors or in connection  with Debtor's  insolvency,  or in  liquidation  or
    marshaling of Debtor's assets or liabilities,  or in any probate proceeding,
    and if any  distribution  shall be made to Creditor,  Creditor will hold the
    same in trust for Lender and immediately pay to Lender, in the form received
    to be applied on senior debt, all money or other assets received in any such
    proceedings  on account of  subordinated  debt until  senior debt shall have
    been paid in full.  If  Creditor  shall  fail to take any such  action  when
    requested  by Lender,  Lender may enforce  this  agreement or as attorney in
    fact for Creditor and Debtor may take any such action on Creditor's  behalf.
    Creditor hereby irrevocably  appoints Lender Creditor's  attorney in fact to
    take any such action that Lender might request  Creditor to take  hereunder,
    and to sue for,  compromise,  collect  and  receive all such money and other
    assets and take any other action in Lender's own name or in Creditor's  name
    that Lender shall  consider  advisable  for  enforcement  and  collection of
    subordinated debt, and to apply any amounts received on senior debt.

 5. Modifications. At any time and from time to time, without Creditor's consent
    or  notice to  Creditor  and  without  liability  to  Creditor  and  without
    releasing or impairing  any of Lender's  rights  against  Creditor or any of
    Creditor's  obligations  hereunder,  Lender  may  take  additional  or other
    security  for  senior  debt;  release,  exchange,  subordinated  or lose any
    security  for senior  debt;  release any person  obligated  on senior  debt,
    modify,  amend or waive  compliance  with any  agreement  relating to senior
    debt;  grant any  adjustment,  indulgence or  forbearance  to, or compromise
    with,  any person  liable for senior debt;  neglect,  delay,  omit,  fail or
    refuse to take or prosecute any action for  collection of any senior debt or
    to foreclose  upon any  collateral  or take or  prosecute  any action on any
    agreement securing any senior debt.

 6. Subordination  of Liens.  Creditor  subordinates  and makes  inferior to any
    security interests, liens or mortgages now or hereafter securing senior debt
    all  security  interests,  liens,  or mortgages  now or  hereafter  securing
    subordinated debt. Any foreclosure against any property securing senior debt
    shall foreclose,  extinguish and discharge all security interests, liens and
    mortgages  securing  subordinated  debt,  and  any  purchaser  at  any  such
    foreclosure  sale  shall  take  title to the  property  so sold  free of all
    security interest, liens and mortgages securing subordinated debt.

 7. Statement of Subordination;  Assignment by Creditor; Additional Instruments.
    Debtor  and  Creditor  will  cause any  instrument  evidencing  or  securing
    subordinated  debt to bear upon its face a statement that such instrument is
    subordinated  to senior  debt as set forth  herein and will take all actions
    and execute all documents appropriate to carry out this agreement.  Creditor
    will  notify  Lender  not less than 10 days  before  any  assignment  of any
    subordinated debt.

 8. Assignment  by Lender.  Lender's  rights under this  agreement  may be 
    assigned in  connection  with any  assignment or transfer of any senior
    debt.

 9. Venue.  Debtor and Creditor agree that this agreement is performable in the 
    county of Lender's address set out above.

10. Cumulative  Rights;  Waivers.  This  instrument is cumulative of all other 
    rights and securities of the Lender.  No waiver by Lender of any right 
    hereunder, with respect to a particular payment, shall affect or impair its 
    rights in any matters thereafter occurring.

11. Successors and Assigns.  This  instrument is binding upon and shall inure to
    the benefit of the heirs, executors, administrators,  successors and assigns
    of each of the  parties  hereto,  but  Creditor  covenants  that it will not
    assign subordinated debt, or any part thereof, without making the rights and
    interests  of the  assignee  subject  in all  respects  to the terms of this
    instrument.

12. Termination.  This agreement shall terminate upon the termination of the
    Senior Facility  Agreement and repayment in full of the senior debt.

(Lender)                    (Debtor)                    (Creditor)
NationsBank of Texas, N.A.  USAA Mutual Fund, Inc.      USAA Capital Corporation
                            USAA Investment Trust
                            USAA Tax Exempt Fund, Inc.
                            USAA State Tax-Free Trust

By  /s/ Kate Salletly       By   /s/ Michael J.C. Roth  By  /s/ Laurie B. Blank
- ---------------------       --------------------------  -----------------------
Its   Senior Vice President Its  President              Its  Treasurer




                                 EXHIBIT 10(C)

                          GOODWIN, PROCTER, & HOAR LLP
                               COUNSELLORS AT LAW
                                 EXCHANGE PLACE
                        BOSTON, MASSACHUSETTS 02109-2881

                                                 TELEPHONE (617) 670-1000
                                                TELECOPIER (617) 523-1231

                                                 April 14, 1997


USAA Mutual Fund, Inc.
USAA Building
9800 Fredericksburg Road
San Antonio, Texas  78288

Ladies and Gentlemen:

         We hereby consent to the reference in  Post-Effective  Amendment No. 44
(the  "Amendment") to the Registration  Statement (No.  2-49560) on Form N-1A of
USAA Mutual  Fund,  Inc.  (the  "Registrant"),  a Maryland  corporation,  to our
opinion  with  respect  to  the  legality  of  the  shares  of  the   Registrant
representing interests in the S&P 500 Index Fund series of the Registrant, which
opinion  was filed  with  Post-Effective  Amendment  No. 40 to the  Registration
Statement.

         We also hereby  consent to the reference to this firm in the Prospectus
under the heading "Legal Counsel" and in the Statement of Additional Information
under  the  heading  "General  Information--Counsel"  which  form a part  of the
Amendment and to the filing of this consent as an exhibit to the Amendment.

                                                 Very truly yours,

                                                 /s/ GOODWIN, PROCTER & HOAR LLP
                                                 -------------------------------
                                                 GOODWIN, PROCTER & HOAR  LLP

DOCSC\506618.1



<PAGE>




                                   EXHIBIT 11

                       CONSENT OF INDEPENDENT ACCOUNTANTS

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



We consent to the incorporation by reference in Post Effective  Amendment No. 44
to the  Registration  Statement  of USAA Mutual  Fund,  Inc. On Form N-1A of our
report  dated  January 27,  1997 on our audit of the  financial  statements  and
financial  highlights of USAA S&P 500 Index Fund which report is included in its
Annual  Report to  Shareholders  for the year ended  December  31, 1996 which is
incorporated by reference in the  Post-Effective  Amendment to the  Registration
Statement.  We also consent to the reference to our Firm in the Prospectus under
the caption "Service  Providers" and in the Statement of Additional  Information
under the captions "General Information" and "Independent Accountant".



                                             /s/ COOPERS & LYBRAND L.L.P.
                                             -----------------------------------
                                             COOPERS & LYBRAND L.L.P.




Kansas City, Missouri
April 16, 1997


<PAGE>




<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000102401
<NAME> USAA MUTUAL FUND, INC.
<SERIES>
   <NUMBER> 1
   <NAME> USAA GROWTH FUND
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-1997
<PERIOD-END>                               JAN-31-1997
<INVESTMENTS-AT-COST>                        1,217,632
<INVESTMENTS-AT-VALUE>                       1,387,541
<RECEIVABLES>                                   18,768
<ASSETS-OTHER>                                     319
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                               1,406,628
<PAYABLE-FOR-SECURITIES>                        19,881
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        2,055
<TOTAL-LIABILITIES>                             21,936
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                     1,167,532
<SHARES-COMMON-STOCK>                           70,057
<SHARES-COMMON-PRIOR>                           57,972
<ACCUMULATED-NII-CURRENT>                          710
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                         46,541
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       169,909
<NET-ASSETS>                                 1,384,692
<DIVIDEND-INCOME>                               17,525
<INTEREST-INCOME>                                  445
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                 (6,343)
<NET-INVESTMENT-INCOME>                         11,627
<REALIZED-GAINS-CURRENT>                        69,612
<APPREC-INCREASE-CURRENT>                      140,136
<NET-CHANGE-FROM-OPS>                          221,375
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                     (21,643)
<DISTRIBUTIONS-OF-GAINS>                     (190,389)
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          5,195
<NUMBER-OF-SHARES-REDEEMED>                    (5,038)
<SHARES-REINVESTED>                             11,928
<NET-CHANGE-IN-ASSETS>                         222,430
<ACCUMULATED-NII-PRIOR>                         10,726
<ACCUMULATED-GAINS-PRIOR>                      167,318
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            4,793
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  6,343
<AVERAGE-NET-ASSETS>                         1,262,391
<PER-SHARE-NAV-BEGIN>                            20.05
<PER-SHARE-NII>                                   0.17
<PER-SHARE-GAIN-APPREC>                           3.09
<PER-SHARE-DIVIDEND>                            (0.34)
<PER-SHARE-DISTRIBUTIONS>                       (3.21)
<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                              19.76
<EXPENSE-RATIO>                                   0.99
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000102401
<NAME> USAA MUTUAL FUND, INC.
<SERIES>
   <NUMBER> 2
   <NAME> USAA AGGRESSIVE GROWTH FUND
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-1997
<PERIOD-END>                               JAN-31-1997
<INVESTMENTS-AT-COST>                          517,356
<INVESTMENTS-AT-VALUE>                         753,753
<RECEIVABLES>                                    5,515
<ASSETS-OTHER>                                     385
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                 759,653
<PAYABLE-FOR-SECURITIES>                         6,351
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                          957
<TOTAL-LIABILITIES>                              7,308
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       514,637
<SHARES-COMMON-STOCK>                           24,233
<SHARES-COMMON-PRIOR>                           21,784
<ACCUMULATED-NII-CURRENT>                      (1,695)
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                          3,006
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       236,397
<NET-ASSETS>                                   752,345
<DIVIDEND-INCOME>                                  187
<INTEREST-INCOME>                                  694
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                 (2,571)
<NET-INVESTMENT-INCOME>                        (1,690)
<REALIZED-GAINS-CURRENT>                         3,034
<APPREC-INCREASE-CURRENT>                       82,086
<NET-CHANGE-FROM-OPS>                           83,430
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                      (12,865)
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          5,338
<NUMBER-OF-SHARES-REDEEMED>                    (3,281)
<SHARES-REINVESTED>                                392
<NET-CHANGE-IN-ASSETS>                         144,908
<ACCUMULATED-NII-PRIOR>                            (5)
<ACCUMULATED-GAINS-PRIOR>                       12,837
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            1,390
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  2,571
<AVERAGE-NET-ASSETS>                           704,841
<PER-SHARE-NAV-BEGIN>                            27.88
<PER-SHARE-NII>                                 (0.07)
<PER-SHARE-GAIN-APPREC>                           3.80
<PER-SHARE-DIVIDEND>                              0.00
<PER-SHARE-DISTRIBUTIONS>                       (0.57)
<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                              31.04
<EXPENSE-RATIO>                                   0.72
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000102401
<NAME> USAA MUTUAL FUND, INC.
<SERIES>
   <NUMBER> 3
   <NAME> USAA INCOME FUND
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-1997
<PERIOD-END>                               JAN-31-1997
<INVESTMENTS-AT-COST>                        1,635,575
<INVESTMENTS-AT-VALUE>                       1,668,189
<RECEIVABLES>                                   37,299
<ASSETS-OTHER>                                     216
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                               1,705,704
<PAYABLE-FOR-SECURITIES>                        15,297
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        3,450
<TOTAL-LIABILITIES>                             18,747
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                     1,671,553
<SHARES-COMMON-STOCK>                          137,319
<SHARES-COMMON-PRIOR>                          145,190
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                           (818)
<ACCUMULATED-NET-GAINS>                       (16,392)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                        32,614
<NET-ASSETS>                                 1,686,957
<DIVIDEND-INCOME>                                6,752
<INTEREST-INCOME>                               55,214
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                 (3,503)
<NET-INVESTMENT-INCOME>                         58,463
<REALIZED-GAINS-CURRENT>                      (12,039)
<APPREC-INCREASE-CURRENT>                       59,456
<NET-CHANGE-FROM-OPS>                          105,880
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                     (59,582)
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          4,604
<NUMBER-OF-SHARES-REDEEMED>                   (16,448)
<SHARES-REINVESTED>                              3,973
<NET-CHANGE-IN-ASSETS>                        (50,349)
<ACCUMULATED-NII-PRIOR>                            301
<ACCUMULATED-GAINS-PRIOR>                      (4,353)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            2,112
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  3,503
<AVERAGE-NET-ASSETS>                         1,741,093
<PER-SHARE-NAV-BEGIN>                            11.97
<PER-SHARE-NII>                                   0.43
<PER-SHARE-GAIN-APPREC>                           0.30
<PER-SHARE-DIVIDEND>                            (0.42)
<PER-SHARE-DISTRIBUTIONS>                         0.00
<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                              12.28
<EXPENSE-RATIO>                                   0.40
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000102401
<NAME> USAA MUTUAL FUND, INC.
<SERIES>
   <NUMBER> 4
   <NAME> USAA MONEY MARKET FUND
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-1997
<PERIOD-END>                               JAN-31-1997
<INVESTMENTS-AT-COST>                        2,013,428
<INVESTMENTS-AT-VALUE>                       2,013,428
<RECEIVABLES>                                   24,500
<ASSETS-OTHER>                                  10,369
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                               2,048,297
<PAYABLE-FOR-SECURITIES>                        32,387
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       15,741
<TOTAL-LIABILITIES>                             48,128
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                     2,000,169
<SHARES-COMMON-STOCK>                        2,000,169
<SHARES-COMMON-PRIOR>                        1,828,749
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                             0
<NET-ASSETS>                                 2,000,169
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                               53,323
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                 (4,333)
<NET-INVESTMENT-INCOME>                         48,990
<REALIZED-GAINS-CURRENT>                             0
<APPREC-INCREASE-CURRENT>                            0
<NET-CHANGE-FROM-OPS>                           48,990
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                     (48,990)
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                      1,309,151
<NUMBER-OF-SHARES-REDEEMED>                (1,185,051)
<SHARES-REINVESTED>                             47,320
<NET-CHANGE-IN-ASSETS>                         171,420
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            2,312
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  4,824
<AVERAGE-NET-ASSETS>                         1,910,863
<PER-SHARE-NAV-BEGIN>                             1.00
<PER-SHARE-NII>                                   0.03
<PER-SHARE-GAIN-APPREC>                           0.00
<PER-SHARE-DIVIDEND>                            (0.03)
<PER-SHARE-DISTRIBUTIONS>                         0.00
<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                               1.00
<EXPENSE-RATIO>                                   0.45
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000102401
<NAME> USAA MUTUAL FUND, INC.
<SERIES>
   <NUMBER> 6
   <NAME> USAA INCOME STOCK FUND
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-1997
<PERIOD-END>                               JAN-31-1997
<INVESTMENTS-AT-COST>                        1,589,507
<INVESTMENTS-AT-VALUE>                       1,978,403
<RECEIVABLES>                                   16,573
<ASSETS-OTHER>                                     404
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                               1,995,380
<PAYABLE-FOR-SECURITIES>                         4,702
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        2,784
<TOTAL-LIABILITIES>                              7,486
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                     1,588,483
<SHARES-COMMON-STOCK>                          114,176
<SHARES-COMMON-PRIOR>                          107,920
<ACCUMULATED-NII-CURRENT>                        5,378
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                          5,137
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       388,896
<NET-ASSETS>                                 1,987,894
<DIVIDEND-INCOME>                               51,493
<INTEREST-INCOME>                                1,268
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                 (6,444)
<NET-INVESTMENT-INCOME>                         46,317
<REALIZED-GAINS-CURRENT>                        37,116
<APPREC-INCREASE-CURRENT>                      215,644
<NET-CHANGE-FROM-OPS>                          299,077
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                     (43,334)
<DISTRIBUTIONS-OF-GAINS>                      (80,728)
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          8,451
<NUMBER-OF-SHARES-REDEEMED>                    (9,383)
<SHARES-REINVESTED>                              7,188
<NET-CHANGE-IN-ASSETS>                         277,125
<ACCUMULATED-NII-PRIOR>                          2,395
<ACCUMULATED-GAINS-PRIOR>                       48,749
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            4,644
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  6,444
<AVERAGE-NET-ASSETS>                         1,839,854
<PER-SHARE-NAV-BEGIN>                            15.85
<PER-SHARE-NII>                                   0.41
<PER-SHARE-GAIN-APPREC>                           2.28
<PER-SHARE-DIVIDEND>                            (0.39)
<PER-SHARE-DISTRIBUTIONS>                       (0.74)
<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                              17.41
<EXPENSE-RATIO>                                   0.69
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000102401
<NAME> USAA MUTUAL FUND, INC.
<SERIES>
   <NUMBER> 7
   <NAME> USAA GROWTH & INCOME FUND
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-1997
<PERIOD-END>                               JAN-31-1997
<INVESTMENTS-AT-COST>                          438,862
<INVESTMENTS-AT-VALUE>                         565,423
<RECEIVABLES>                                    6,937
<ASSETS-OTHER>                                     509
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                 572,869
<PAYABLE-FOR-SECURITIES>                         9,624
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                          649
<TOTAL-LIABILITIES>                             10,273
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       430,298
<SHARES-COMMON-STOCK>                           35,397
<SHARES-COMMON-PRIOR>                           27,628
<ACCUMULATED-NII-CURRENT>                          405
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                          5,332
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       126,561
<NET-ASSETS>                                   562,596
<DIVIDEND-INCOME>                                5,113
<INTEREST-INCOME>                                  461
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                 (2,096)
<NET-INVESTMENT-INCOME>                          3,478
<REALIZED-GAINS-CURRENT>                         8,468
<APPREC-INCREASE-CURRENT>                       81,413
<NET-CHANGE-FROM-OPS>                           93,359
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                      (3,505)
<DISTRIBUTIONS-OF-GAINS>                      (13,136)
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          8,898
<NUMBER-OF-SHARES-REDEEMED>                    (2,280)
<SHARES-REINVESTED>                              1,151
<NET-CHANGE-IN-ASSETS>                         190,795
<ACCUMULATED-NII-PRIOR>                            432
<ACCUMULATED-GAINS-PRIOR>                       10,000
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            1,397
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  2,096
<AVERAGE-NET-ASSETS>                           461,501
<PER-SHARE-NAV-BEGIN>                            13.46
<PER-SHARE-NII>                                   0.11
<PER-SHARE-GAIN-APPREC>                           2.88
<PER-SHARE-DIVIDEND>                            (0.11)
<PER-SHARE-DISTRIBUTIONS>                       (0.45)
<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                              15.89
<EXPENSE-RATIO>                                   0.90
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000102401
<NAME> USAA MUTUAL FUND, INC.
<SERIES>
   <NUMBER> 8
   <NAME> USAA SHORT-TERM BOND FUND
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-1997
<PERIOD-END>                               JAN-31-1997
<INVESTMENTS-AT-COST>                          114,010
<INVESTMENTS-AT-VALUE>                         114,054
<RECEIVABLES>                                    1,731
<ASSETS-OTHER>                                      55
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                 115,840
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                          381
<TOTAL-LIABILITIES>                                381
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       115,393
<SHARES-COMMON-STOCK>                           11,630
<SHARES-COMMON-PRIOR>                           10,323
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                             22
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                            44
<NET-ASSETS>                                   115,459
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                3,563
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                   (270)
<NET-INVESTMENT-INCOME>                          3,293
<REALIZED-GAINS-CURRENT>                           451
<APPREC-INCREASE-CURRENT>                        1,083
<NET-CHANGE-FROM-OPS>                            4,827
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                      (3,293)
<DISTRIBUTIONS-OF-GAINS>                          (52)
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          3,419
<NUMBER-OF-SHARES-REDEEMED>                    (2,401)
<SHARES-REINVESTED>                                289
<NET-CHANGE-IN-ASSETS>                          14,427
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                        (377)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              130
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    335
<AVERAGE-NET-ASSETS>                           107,104
<PER-SHARE-NAV-BEGIN>                             9.79
<PER-SHARE-NII>                                   0.30
<PER-SHARE-GAIN-APPREC>                           0.15
<PER-SHARE-DIVIDEND>                            (0.30)
<PER-SHARE-DISTRIBUTIONS>                       (0.01)
<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                               9.93
<EXPENSE-RATIO>                                   0.50
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000102401
<NAME> USAA MUTUAL FUND, INC.
<SERIES>
   <NUMBER> 9
   <NAME> S&P 500 INDEX FUND
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               DEC-31-1996
<INVESTMENTS-AT-COST>                                0
<INVESTMENTS-AT-VALUE>                         178,099
<RECEIVABLES>                                    1,145
<ASSETS-OTHER>                                       0
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                 179,244
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                          171
<TOTAL-LIABILITIES>                                171
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       162,470
<SHARES-COMMON-STOCK>                           15,479
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                           39
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                          1,415
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                        15,149
<NET-ASSETS>                                   179,073
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                    0
<OTHER-INCOME>                                   1,546
<EXPENSES-NET>                                    (62)
<NET-INVESTMENT-INCOME>                          1,484
<REALIZED-GAINS-CURRENT>                         1,415
<APPREC-INCREASE-CURRENT>                       15,149
<NET-CHANGE-FROM-OPS>                           18,048
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                      (1,445)
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                         16,887
<NUMBER-OF-SHARES-REDEEMED>                    (1,504)
<SHARES-REINVESTED>                                 96
<NET-CHANGE-IN-ASSETS>                         179,073
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                                0
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    133
<AVERAGE-NET-ASSETS>                           114,585
<PER-SHARE-NAV-BEGIN>                            10.00
<PER-SHARE-NII>                                   0.12
<PER-SHARE-GAIN-APPREC>                           1.57
<PER-SHARE-DIVIDEND>                              0.00
<PER-SHARE-DISTRIBUTIONS>                       (0.12)
<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                              11.57
<EXPENSE-RATIO>                                   0.18
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        


</TABLE>

                                 EXHIBIT 19(c)

                               POWER OF ATTORNEY


         The undersigned Trustees and officers, as indicated respectively below,
of BT Investment  Funds, BT  Institutional  Funds, BT Pyramid Mutual Funds,  The
Leadership  Trust,  and BT Advisor Funds (each, a "Trust") and, Cash  Management
Portfolio, Treasury Money Portfolio, Tax Free Money Portfolio, NY Tax Free Money
Portfolio, International Equity Portfolio, Utility Portfolio, Short/Intermediate
U.S.  Government  Securities  Portfolio,   Equity  500  Index  Portfolio,  Asset
Management  Portfolio,  Capital  Appreciation  Portfolio,  Intermediate Tax Free
Portfolio,  and BT Investment Portfolios (each, a "Portfolio Trust") each hereby
constitutes  and appoints the  Secretary  and each  Assistant  Secretary of each
Trust and each  Portfolio  Trust and the Deputy  General  Counsel  of  Federated
Investors, each of them with full powers of substitution, as his true and lawful
attorney-in-fact  and agent to  execute in his name and on his behalf in any and
all  capacities  the  Registration  Statements  on  Form  N-1A,  and any and all
amendments  thereto,  and all other  documents,  filed by a Trust or a Portfolio
Trust  with the  Securities  and  Exchange  Commission  (the  "SEC")  under  the
Investment  Company Act of 1940, as amended,  and (as applicable) the Securities
Act of 1933, as amended,  and any and all  instruments  which such attorneys and
agents,  or any of them,  deem  necessary  or  advisable  to enable the Trust or
Portfolio   Trust  to  comply  with  such  Acts,  the  rules,   regulations  and
requirements  of the SEC,  and the  securities  or Blue Sky laws of any state or
other  jurisdiction,  and to file the same, with all exhibits  thereto and other
documents in connection  therewith,  with the SEC and such other  jurisdictions,
and the  undersigned  each hereby  ratifies and confirms as his own act and deed
any and all acts that such  attorneys  and agents,  or any of them,  shall do or
cause to be done by virtue hereof.  Any one of such attorneys and agent has, and
may exercise,  all of the powers hereby  conferred.  The undersigned each hereby
revokes any Powers of Attorney  previously  granted with respect to any Trust or
Portfolio Trust concerning the filings and actions described herein.

         IN WITNESS  WHEREOF,  each of the undersigned has hereunto set his hand
as of the 30th day of September, 1996.


SIGNATURES                                        TITLE


/s/ Ronald M.Petnuch                              President and Treasurer
- ------------------------                          (Chief Executive Officer,
Ronald M. Petnuch                                 Principal Financial and 
                                                  Accounting Officer) 
                                                  of each Trust and Portfolio
                                                  Trust

/s/ Philip W. Coolidge                            Trustee of each Trust and
- ------------------------                          Portfolio Trust
Philip W. Coolidge

/s/ Charles P. Biggar                             Trustee of each Portfolio 
- ------------------------                          Trust and BT Institutional
Charles P. Biggar                                 Funds



<PAGE>


SIGNATURES                                        TITLES
- ----------                                        ------
                                         

/s/ S. Leland Dill                                Trustee of each Portfolio 
- ------------------------                          Trust and BT Investment Funds
/S. Leland Dill                                   

/s/ Philip Saunders, Jr.                          Trustee of each Portfolio 
- ------------------------                          Trust and BT Invsetment Funds
Philip Saunders, Jr.                              


<PAGE>


                                  EXHIBIT 19(d)

                                POWER OF ATTORNEY





      Know  all men by these  presents  that the  undersigned  Director  of USAA
MUTUAL FUND,  INC., a Maryland  Corporation  (the  "Company"),  constitutes  and
appoints  Michael J.C. Roth,  John W. Saunders,  Jr. and Michael D. Wagner,  and
each of them, as his true and lawful attorney-in-fact and agent, with full power
or  substitution,  for him and in his  name,  place  and  stead,  in any and all
capacities to sign registration  statements in his capacity as a Director of the
Fund on any  form or  forms  filed  under  the  Securities  Act of 1933  and the
Investment  Company  Act of 1940 and any and all  amendments  thereto,  with all
exhibits,   instruments,   and  other  documents  necessary  or  appropriate  in
connection  with such filing and to file them with the  Securities  and Exchange
Commission or any other  regulatory  authority as may be necessary or desirable,
hereby ratifying and confirming all that said  attorney-in-fact and agent or his
substitute, may lawfully do or cause to be done by virtue hereof.


/s/ Robert G. Davis                                  March 24, 1997
- ---------------------------------                    ---------------------
Robert G. Davis, Director                            Date




<PAGE>


                                 EXHIBIT 19(e)

                                POWER OF ATTORNEY


      Know  all men by these  presents  that the  undersigned  Director  of USAA
MUTUAL FUND,  INC., a Maryland  Corporation  (the  "Company"),  constitutes  and
appoints  Michael J.C. Roth,  John W. Saunders,  Jr. and Michael D. Wagner,  and
each of them, as his true and lawful attorney-in-fact and agent, with full power
or  substitution,  for him and in his  name,  place  and  stead,  in any and all
capacities to sign registration  statements in his capacity as a Director of the
Fund on any  form or  forms  filed  under  the  Securities  Act of 1933  and the
Investment  Company  Act of 1940 and any and all  amendments  thereto,  with all
exhibits,   instruments,   and  other  documents  necessary  or  appropriate  in
connection  with such filing and to file them with the  Securities  and Exchange
Commission or any other  regulatory  authority as may be necessary or desirable,
hereby ratifying and confirming all that said  attorney-in-fact and agent or his
substitute, may lawfully do or cause to be done by virtue hereof.


/s/ Robert L. Mason                                  March 24, 1997
- ---------------------------------                    ---------------------
Robert L. Mason, Director                            Date

<PAGE>


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