FEDERATED U S GOVERNMENT SECURITIES FUND 1-3 YEARS
N-30D, 1997-05-01
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FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS
INSTITUTIONAL SHARES
PROSPECTUS

The Institutional Shares offered by this prospectus represent interests in a
diversified portfolio of securities of Federated U.S. Government Securities
Fund: 1-3 Years (the "Trust"). The Trust is an open-end management investment
company (a mutual fund).

The investment objective of the Trust is to provide current income. The Trust
invests primarily in U.S. government securities. Institutional Shares are sold
at net asset value.

THE INSTITUTIONAL SHARES OFFERED BY THIS PROSPECTUS ARE NOT DEPOSITS OR
OBLIGATIONS OF ANY BANK, ARE NOT ENDORSED OR GUARANTEED BY ANY BANK, AND ARE NOT
INSURED BY THE FEDERAL DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD,
OR ANY OTHER GOVERNMENTAL AGENCY. INVESTMENT IN THESE SHARES INVOLVES INVESTMENT
RISK, INCLUDING THE POSSIBLE LOSS OF PRINCIPAL.

This prospectus contains the information you should read and know before you
invest in Institutional Shares of the Trust. Keep this prospectus for future
reference.


The Trust has also filed a Statement of Additional Information for Institutional
Shares and Institutional Service Shares dated April 30, 1997, with the
Securities and Exchange Commission ("SEC"). The information contained in the
Statement of Additional Information is incorporated by reference into this
prospectus. You may request a copy of the Statement of Additional Information or
a paper copy of this prospectus, if you have received your prospectus
electronically, free of charge by calling 1-800-341-7400. To obtain other
information or make inquiries about the Trust, contact the Trust at the address
listed in the back of this prospectus. The Statement of Additional Information,
material incorporated by reference into this document, and other information
regarding the Trust is maintained electronically with the SEC at Internet Web
site (http://www.sec.gov).



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.


Prospectus dated April 30, 1997

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

SUMMARY OF TRUST EXPENSES                                                      1
- ------------------------------------------------------

FINANCIAL HIGHLIGHTS--
  INSTITUTIONAL SHARES                                                         2
- ------------------------------------------------------

GENERAL INFORMATION                                                            3
- ------------------------------------------------------

INVESTMENT INFORMATION                                                         3
- ------------------------------------------------------
  Investment Objective                                                         3
  Investment Policies                                                          3
  Investment Limitations                                                       4

TRUST INFORMATION                                                              5
- ------------------------------------------------------
  Management of the Trust                                                      5
  Distribution of Institutional Shares                                         6
  Administration of the Trust                                                  6

NET ASSET VALUE                                                                7
- ------------------------------------------------------

INVESTING IN INSTITUTIONAL SHARES                                              7
- ------------------------------------------------------
  Share Purchases                                                              7
  Minimum Investment Required                                                  8
  What Shares Cost                                                             8
  Certificates and Confirmations                                               8
  Dividends                                                                    8
  Capital Gains                                                                8

REDEEMING INSTITUTIONAL SHARES                                                 9
- ------------------------------------------------------
  Telephone Redemption                                                         9
  Written Requests                                                             9
  Accounts with Low Balances                                                  10

SHAREHOLDER INFORMATION                                                       10
- ------------------------------------------------------
  Voting Rights                                                               10

TAX INFORMATION                                                               10
- ------------------------------------------------------
  Federal Income Tax                                                          10
  State and Local Taxes                                                       11

PERFORMANCE INFORMATION                                                       11
- ------------------------------------------------------

OTHER CLASSES OF SHARES                                                       11
- ------------------------------------------------------

FINANCIAL HIGHLIGHTS--
  INSTITUTIONAL SERVICE SHARES                                                12
- ------------------------------------------------------

FINANCIAL STATEMENTS                                                          13
- ------------------------------------------------------

REPORT OF ERNST & YOUNG LLP,
  INDEPENDENT AUDITORS                                                        22
- ------------------------------------------------------

ADDRESSES                                                                     23
- ------------------------------------------------------


SUMMARY OF TRUST EXPENSES
- --------------------------------------------------------------------------------
<TABLE>
<S>                                                                             <C>      <C>
                                     INSTITUTIONAL SHARES
                               SHAREHOLDER TRANSACTION EXPENSES
Maximum Sales Charge Imposed on Purchases (as a percentage of offering price).........     None
Maximum Sales Charge Imposed on Reinvested Dividends (as a percentage of offering
  price)..............................................................................     None
Contingent Deferred Sales Charge (as a percentage of original purchase price or
  redemption proceeds, as applicable).................................................     None
Redemption Fee (as a percentage of amount redeemed, if applicable)....................     None
Exchange Fee..........................................................................     None

ANNUAL OPERATING EXPENSES
(As a percentage of average net assets)
Management Fee (after waiver)(1)......................................................    0.38%
12b-1 Fee.............................................................................     None
Total Other Expenses..................................................................    0.16%
          Shareholder Services Fee (after waiver)(2).........................    0.00%
     Total Operating Expenses(3)......................................................    0.54%
</TABLE>



(1) The management fee has been reduced to reflect the voluntary waiver of a
portion of the management fee. The adviser can terminate this voluntary waiver
at any time at its sole discretion. The maximum management fee is 0.40%.


(2) The shareholder services fee has been reduced to reflect the voluntary
waiver of the shareholders services fee. The shareholder service provider can
terminate this voluntary waiver at any time at its sole discretion. The maximum
shareholder services fee is 0.25%.


(3) The total operating expenses would have been 0.81% absent the voluntary
waivers of portions of the management fee and the shareholder services fee.


     The purpose of this table is to assist an investor in understanding the
various costs and expenses that a shareholder of Institutional Shares of the
Trust will bear, either directly or indirectly. For more complete descriptions
of the various costs and expenses, see "Trust Information" and "Investing in
Institutional Shares." Wire-transferred redemptions of less than $5,000 may be
subject to additional fees.
<TABLE>
<CAPTION>
                        EXAMPLE                            1 year    3 years    5 years    10 years
- --------------------------------------------------------   ------    -------    -------    --------
<S>                                                        <C>       <C>        <C>        <C>
You would pay the following expenses on a $1,000
  investment, assuming (1) 5% annual return and (2)
  redemption at the end of each time period.............     $6        $17        $30        $ 68
</TABLE>


     THE ABOVE EXAMPLE SHOULD NOT BE CONSIDERED A REPRESENTATION OF PAST OR
FUTURE EXPENSES. ACTUAL EXPENSES MAY BE GREATER OR LESS THAN THOSE SHOWN.


FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS

FINANCIAL HIGHLIGHTS--INSTITUTIONAL SHARES
- --------------------------------------------------------------------------------
(FOR A SHARE OUTSTANDING THROUGHOUT EACH PERIOD)

Reference is made to the Report of Ernst & Young LLP, Independent Auditors on
page 22.
<TABLE>
<CAPTION>
                                                      YEAR ENDED FEBRUARY 28 OR 29,
        -------------------------------------------------------------------------------------------------------------------------
          1997       1996       1995        1994         1993         1992         1991         1990         1989         1988
        --------   --------   --------   ----------   ----------   ----------   ----------   ----------   ----------   ----------
<S>     <C>        <C>        <C>        <C>          <C>          <C>          <C>          <C>          <C>          <C>
NET
ASSET
VALUE,
BEGINNING
OF
PERIOD    $10.38     $10.25     $10.46       $10.53       $10.34       $10.12       $ 9.93       $ 9.81       $10.21       $10.42
- -----
INCOME
FROM
INVESTMENT
OPERATIONS
- -----
 Net
 investment
 income     0.54       0.61       0.52         0.37         0.48         0.67         0.72         0.84         0.82         0.81
- -----
 Net
 realized
 and
 unrealized
 gain
 (loss)
 on
 investments    (0.06)     0.13    (0.21)      (0.07)       0.19         0.22         0.19         0.12        (0.40)       (0.16)
- -----       ----       ----       ----         ----         ----         ----         ----         ----         ----         ----
Total
 from
 investment
 operations     0.48     0.74     0.31         0.30         0.67         0.89         0.91         0.96         0.42         0.65
- -----       ----       ----       ----         ----         ----         ----         ----         ----         ----         ----
LESS
DISTRIBUTIONS
- -----
 Distributions
 from net
 investment
 income    (0.54)     (0.61)     (0.52)       (0.37)       (0.48)       (0.67)       (0.72)       (0.84)       (0.82)       (0.81)
- -----
 Distributions
 from net
 realized
 gain
 on
 investments       --       --       --          --           --           --           --           --           --        (0.05)
- -----       ----       ----       ----         ----         ----         ----         ----         ----         ----         ----
Total
distributions    (0.54)    (0.61)    (0.52)      (0.37)      (0.48)      (0.67)      (0.72)       (0.84)       (0.82)       (0.86)
- -----       ----       ----       ----         ----         ----         ----         ----         ----         ----         ----
NET
ASSET
VALUE,
END OF
PERIOD    $10.32     $10.38     $10.25       $10.46       $10.53       $10.34       $10.12       $ 9.93       $ 9.81       $10.21
- -----       ----       ----       ----         ----         ----         ----         ----         ----         ----         ----
TOTAL
RETURN(A)     4.78%     7.41%     3.14%        2.93%        6.64%        9.07%       10.11%       10.08%        4.23%        6.58%
- -----
RATIOS
TO
AVERAGE
NET
ASSETS
- -----
 Expenses     0.54%     0.54%     0.54%        0.51%        0.49%        0.48%        0.48%        0.48%        0.47%        0.46%
- -----
 Net
 investment
 income     5.26%      5.91%      5.06%        3.56%        4.63%        6.57%        7.79%        8.42%        8.14%        7.89%
- -----
 Expense
 waiver/
 reimbursement(b)     0.27%     0.26%     0.02%         --         --         --         --          --           --         0.01%
- -----
SUPPLEMENTAL
 DATA
- -----
 Net
 assets,
 end of
 period
 (000
 omitted) $701,498 $697,692   $687,037   $  858,556   $1,034,374   $1,171,633   $1,296,579   $1,725,112   $2,236,208   $3,016,355
- -----
 Portfolio
 turnover      145%      142%      265%         150%         132%         114%          96%         172%         112%          85%
- -----
</TABLE>



(a) Based on net asset value, which does not reflect the sales charge or
    contingent deferred sales charge, if applicable.

(b) This voluntary expense decrease is reflected in both the expense and net
    investment income ratios shown above.

(See Notes which are an integral part of the Financial Statements)


Further information about the Trust's performance is contained in the Trust's
annual report for the fiscal year ended February 28, 1997, which can be obtained
free of charge.



GENERAL INFORMATION
- --------------------------------------------------------------------------------


The Trust was established as a Massachusetts business trust under a Declaration
of Trust dated January 3, 1984. On April 13, 1995, the Board of Trustees (the
"Trustees") changed the name of the Trust from Federated Short-Intermediate
Government Trust to Federated U.S. Government Securities Fund: 1-3 Years. The
Declaration of Trust permits the Trust to offer separate series of shares of
beneficial interest representing interests in separate portfolios of securities.
The shares in any one portfolio may be offered in separate classes. As of the
date of this prospectus, the Trustees have established two classes of shares of
the Trust, known as Institutional Shares and Institutional Service Shares. This
prospectus relates only to Institutional Shares of the Trust.


Institutional Shares ("Shares") are sold primarily to accounts for which
financial institutions act in a fiduciary or agency capacity, or other accounts
where the financial institution maintains master accounts with an aggregate
investment of at least $400 million in certain funds which are advised or
distributed by affiliates of Federated Investors. Shares are also made available
to financial intermediaries, public, and private organizations. An investment in
the Trust serves as a convenient means of accumulating an interest in a
professionally managed, diversified portfolio of U.S. government securities. A
minimum initial investment of $25,000 over a 90-day period is required.


Shares are currently sold and redeemed at net asset value without a sales charge
imposed by the Trust.

INVESTMENT INFORMATION
- --------------------------------------------------------------------------------

INVESTMENT OBJECTIVE

The investment objective of the Trust is to provide current income. While there
is no assurance that the Trust will achieve its investment objective, it
endeavors to do so by following the investment policies described in this
prospectus. Unless otherwise noted, the investment objective and the policies
and limitations described below cannot be changed without approval of
shareholders.

INVESTMENT POLICIES

The Trust pursues its investment objective by investing in U.S. government
securities with remaining maturities of 3 1/2 years or less. As a matter of
investment practice which can be changed without shareholder approval, the Trust
will maintain a dollar-weighted average portfolio maturity of 1 to 3 years.

ACCEPTABLE INVESTMENTS.  The U.S. government securities in which the Trust
invests are either issued or guaranteed by the U.S. government, its agencies, or
instrumentalities. These securities are limited to:


     - direct obligations of the U.S. Treasury, such as U.S. Treasury bills,
       notes, and bonds;



     - notes, bonds, and discount notes issued or guaranteed by U.S. government
       agencies and instrumentalities supported by the full faith and credit of
       the United States;



     - notes, bonds, and discount notes of U.S. government agencies or
       instrumentalities which receive or have access to federal funding; and




     - notes, bonds, and discount notes of other U.S. government
       instrumentalities supported only by the credit of the instrumentalities.



Some obligations issued or guaranteed by agencies or instrumentalities of the
U.S. government are backed by the full faith and credit of the U.S. Treasury. No
assurances can be given that the U.S. government will provide financial support
to other agencies or instrumentalities, since it is not obligated to do so. The
instrumentalities are supported by:


     - the issuer's right to borrow an amount limited to a specific line of
       credit from the U.S. Treasury;

     - discretionary authority of the U.S. government to purchase certain
       obligations of an agency or instrumentality; or

     - the credit of the agency or instrumentality.

The prices of fixed income securities fluctuate inversely to the direction of
interest rates.

REPURCHASE AGREEMENTS.  Repurchase agreements are arrangements in which banks,
broker/dealers, and other recognized financial institutions sell U.S. government
securities or other securities to the Trust and agree at the time of sale to
repurchase them at a mutually agreed upon time and price. To the extent that the
original seller does not repurchase the securities from the Trust, the Trust
could receive less than the repurchase price on any sale of such securities.

As a matter of investment practice which can be changed without shareholder
approval, the Trust will not invest more than 15% of the value of its net assets
in securities which are illiquid, including repurchase agreements providing for
settlement in more than seven days after notice.


WHEN-ISSUED AND DELAYED DELIVERY TRANSACTIONS.  As a matter of investment
practice which can be changed without shareholder approval, the Trust may
purchase U.S. government securities on a when-issued or delayed delivery basis.
These transactions are arrangements in which the Trust purchases securities with
payment and delivery scheduled for a future time. The seller's failure to
complete these transactions may cause the Trust to miss a price or yield
considered to be advantageous. Settlement dates may be a month or more after
entering into these transactions, and the market values of the securities
purchased may vary from the purchase prices.



The Trust may dispose of a commitment prior to settlement if the adviser deems
it appropriate to do so. In addition, the Trust may enter into transactions to
sell its purchase commitments to third parties at current market values and
simultaneously acquire other commitments to purchase similar securities at later
dates. The Trust may realize short-term profits or losses upon the sale of such
commitments.


PORTFOLIO TRANSACTIONS.  The Trust conducts portfolio transactions to accomplish
its investment objective as interest rates change, to invest new money obtained
from selling its shares, and to meet redemption requests. The Trust may dispose
of portfolio securities at any time if it appears that selling the securities
will help the Trust achieve its investment objective.

INVESTMENT LIMITATIONS

The Trust will not borrow money or pledge assets except, under certain
circumstances, the Trust may borrow up to one-third of the value of its total
assets and pledge up to 10% of the value of those assets to secure such
borrowings.


TRUST INFORMATION
- --------------------------------------------------------------------------------

MANAGEMENT OF THE TRUST
BOARD OF TRUSTEES.  The Trust is managed by a Board of Trustees. The Trustees
are responsible for managing the Trust's business affairs and for exercising all
the Trust's powers except those reserved for the shareholders. The Executive
Committee of the Board of Trustees handles the Board's responsibilities between
meetings of the Board.

INVESTMENT ADVISER.  Investment decisions for the Trust are made by Federated
Management, the Trust's investment adviser, subject to direction by the
Trustees. The adviser continually conducts investment research and supervision
for the Trust and is responsible for the purchase or sale of portfolio
instruments, for which it receives an annual fee from the Trust.


ADVISORY FEES.  The Trust's adviser receives an annual investment advisory fee
equal to .40% of the Trust's average daily net assets. This does not include
reimbursement to the Trust of any expenses incurred by shareholders who use the
transfer agent's subaccounting facilities.


ADVISER'S BACKGROUND.  Federated Management, a Delaware business trust organized
on April 11, 1989, is a registered investment adviser under the Investment
Advisers Act of 1940. It is a subsidiary of Federated Investors. All of the
Class A (voting) shares of Federated Investors are owned by a trust, the
trustees of which are John F. Donahue, Chairman and Trustee of Federated
Investors, Mr. Donahue's wife, and Mr. Donahue's son, J. Christopher Donahue,
who is President and Trustee of Federated Investors.


Federated Management and other subsidiaries of Federated Investors serve as
investment advisers to a number of investment companies and private accounts.
Certain other subsidiaries also provide administrative services to a number of
investment companies. With over $110 billion invested across more than 300 funds
under management and/or administration by its subsidiaries, as of December 31,
1996, Federated Investors is one of the largest mutual fund investment managers
in the United States. With more than 2,000 employees, Federated continues to be
led by the management who founded the company in 1955. Federated funds are
presently at work in and through 4,500 financial institutions nationwide.


The Trust and the adviser have adopted strict codes of ethics governing the
conduct of all employees who manage the Trust and its portfolio securities.
These codes recognize that such persons owe a fiduciary duty to the Trust's
shareholders and must place the interests of shareholders ahead of the
employees' own interest. Among other things, the codes: require preclearance and
periodic reporting of personal securities transactions; prohibit personal
transactions in securities being purchased or sold, or being considered for
purchase or sale, by the Trust; prohibit purchasing securities in initial public
offerings; and prohibit taking profits on securities held for less than sixty
days. Violations of the codes are subject to review by the Board of Trustees and
could result in severe penalties.

Susan M. Nason has been the Trust's portfolio manager since 1991. Ms. Nason
joined Federated Investors in 1987 and has been a Vice President of the Trust's
investment adviser since 1993. Ms. Nason served as an Assistant Vice President
of the investment adviser from 1990 until 1992. Ms. Nason is a


Chartered Financial Analyst and received her M.S. in Industrial Administration
from Carnegie Mellon University.

Joseph M. Balestrino has been the Trust's portfolio manager since March 1995.
Mr. Balestrino joined Federated Investors in 1986 and has been a Vice President
of the Trust's investment adviser since 1995. Mr. Balestrino served as an
Assistant Vice President of the investment adviser from 1991 to 1995. Mr.
Balestrino is a Chartered Financial Analyst and received his Master's Degree in
Urban and Regional Planning from the University of Pittsburgh.

DISTRIBUTION OF INSTITUTIONAL SHARES


Federated Securities Corp. is the principal distributor for the Shares. It is a
Pennsylvania corporation organized on November 14, 1969, and is the principal
distributor for a number of investment companies. Federated Securities Corp. is
a subsidiary of Federated Investors.



SHAREHOLDER SERVICES.  The Trust has entered into a Shareholder Services
Agreement with Federated Shareholder Services, a subsidiary of Federated
Investors, under which the Trust may make payments up to .25% of the average
daily net asset value of the Institutional Shares, computed at an annual rate,
to obtain certain personal services for shareholders and to maintain shareholder
accounts. From time to time and for such periods as deemed appropriate, the
amount stated above may be reduced voluntarily. Under the Shareholder Services
Agreement, Federated Shareholder Services will either perform shareholder
services directly or will select financial institutions to perform shareholder
services. Financial institutions will receive fees based upon Shares owned by
their clients or customers. The schedules of such fees and the basis upon which
such fees will be paid will be determined from time to time by the Trust and
Federated Shareholder Services.


SUPPLEMENTAL PAYMENTS TO FINANCIAL INSTITUTIONS.  In addition to payments made
pursuant to the Shareholder Services Agreement, Federated Securities Corp. and
Federated Shareholder Services, from their own assets, may pay financial
institutions supplemental fees for the performance of substantial sales
services, distribution-related support services, or shareholder services. The
support may include sponsoring sales, educational and training seminars for
their employees, providing sales literature, and engineering computer software
programs that emphasize the attributes of the Trust. Such assistance will be
predicated upon the amount of Shares the financial institution sells or may
sell, and/or upon the type and nature of sales or marketing support furnished by
the financial institution. Any payments made by the distributor may be
reimbursed by the Trust's investment adviser or its affiliates.

ADMINISTRATION OF THE TRUST

ADMINISTRATIVE SERVICES.  Federated Services Company, a subsidiary of Federated
Investors, provides administrative personnel and services (including certain
legal and financial reporting services) necessary to operate the Trust.
Federated Services Company provides these at an annual rate which


relates to the average aggregate daily net assets of all funds advised by
subsidiaries of Federated Investors ("Federated Funds") as specified below:
<TABLE>
<CAPTION>
       MAXIMUM                  AVERAGE AGGREGATE DAILY
 ADMINISTRATIVE FEE        NET ASSETS OF THE FEDERATED FUNDS
- ---------------------     -----------------------------------
<S>                       <C>
        .15%                   on the first $250 million
        .125%                  on the next $250 million
        .10%                   on the next $250 million
        .075%             on assets in excess of $750 million
</TABLE>



The administrative fee received during any fiscal year shall be at least
$125,000 per portfolio and $30,000 per each additional class of shares.
Federated Services Company may choose voluntarily to waive a portion of its fee.

NET ASSET VALUE
- --------------------------------------------------------------------------------

The Trust's net asset value per share fluctuates. The net asset value for Shares
is determined by adding the interest of the Shares in the market value of all
securities and other assets of the Trust, subtracting the interest of the Shares
in the liabilities of the Trust and those attributable to Shares, and dividing
the remainder by the total number of Shares outstanding. The net asset value for
Institutional Shares may exceed that of Institutional Service Shares due to the
variance in daily net income realized by each class. Such variance will reflect
only accrued net income to which the shareholders of a particular class are
entitled.

INVESTING IN INSTITUTIONAL SHARES
- --------------------------------------------------------------------------------

SHARE PURCHASES

Shares are sold on days on which the New York Stock Exchange is open for
business. Shares may be purchased either by wire or mail.

To purchase Shares, open an account by calling Federated Securities Corp.
Information needed to establish an account will be taken over the telephone. The
Trust reserves the right to reject any purchase request.

BY WIRE.  To purchase Shares by Federal Reserve wire, call the Trust before 4:00
p.m. (Eastern time) to place an order. The order is considered received
immediately. Payment by federal wire funds must be received before 3:00 p.m.
(Eastern time) on the next business day following the order. Federal funds
should be wired as follows: Federated Shareholder Services Company c/o State
Street Bank and Trust Company, Boston, Massachusetts; Attention: EDGEWIRE; For
Credit to: Federated U.S. Government Securities Fund: 1-3 Years--Institutional
Shares; Trust Number (this number can be found on the account statement or by
contacting the Trust); Group Number or Wire Order Number; Nominee or Institution
Name; and ABA Number 011000028. Shares cannot be purchased by wire on holidays
when wire transfers are restricted. Questions on wire purchases should be
directed to your shareholder services representative at the telephone number
listed on your account statement.



BY MAIL.  To purchase Shares by mail, send a check made payable to Federated
U.S. Government Securities Fund: 1-3 Years--Institutional Shares to Federated
Shareholder Services Company, P.O. Box 8600, Boston, Massachusetts 02266-8600.
Orders by mail are considered received after payment by check is converted by
the transfer agent's bank, State Street Bank and Trust Company, into federal
funds. This is generally the next business day after State Street Bank receives
the check.


MINIMUM INVESTMENT REQUIRED


The minimum initial investment in Shares is $25,000, plus any financial
intermediary's fee, if applicable. However, an account may be opened with a
smaller amount as long as the $25,000 minimum is reached within 90 days. An
institutional investor's minimum investment will be calculated by combining all
accounts it maintains with the Trust. Accounts established through a financial
intermediary may be subject to a smaller minimum investment.


WHAT SHARES COST


Shares are sold at their net asset value next determined after an order is
received. There is no sales charge imposed by the Trust. Investors who purchase
Shares through a financial intermediary may be charged a service fee by that
financial intermediary.


The net asset value is determined as of the close of trading (normally 4:00 p.m.
Eastern time) on the New York Stock Exchange, Monday through Friday, except on
(i) days on which there are not sufficient changes in the value of the Trust's
portfolio securities such that its net asset value might be materially affected;
(ii) days during which no Shares are tendered for redemption and no orders to
purchase Shares are received; and (iii) the following holidays: New Year's Day,
Presidents' Day, Good Friday, Memorial Day, Independence Day, Labor Day,
Thanksgiving Day and Christmas Day.

CERTIFICATES AND CONFIRMATIONS

As transfer agent for the Trust, Federated Shareholder Services Company
maintains a share account for each shareholder. Share certificates are not
issued unless requested by contacting the Trust.

Detailed confirmations of each purchase or redemption are sent to each
shareholder. Monthly confirmations are sent to report dividends paid during the
month.

DIVIDENDS

Dividends are declared daily and paid monthly. Dividends are declared just prior
to determining net asset value. If an order for Shares is placed on the
preceding business day, Shares purchased by wire begin earning dividends on the
business day wire payment is received by State Street Bank and Trust Company. If
the order for Shares and payment by wire are received on the same day, Shares
begin earning dividends on the next business day. Shares purchased by check
begin earning dividends on the business day after the check is converted by the
transfer agent into federal funds. Dividends are automatically reinvested on
payment dates in additional Shares unless cash payments are requested by
contacting the Trust.

CAPITAL GAINS

Capital gains realized by the Trust, if any, will be distributed at least once
every 12 months.


REDEEMING INSTITUTIONAL SHARES
- --------------------------------------------------------------------------------

The Trust redeems Shares at their net asset value next determined after
Federated Shareholder Services Company receives the redemption request.
Investors who redeem Shares through a financial intermediary may be charged a
service fee by that financial intermediary. Redemptions will be made on days on
which the Trust computes its net asset value. Redemption requests must be
received in proper form and can be made by telephone request or by written
request.

TELEPHONE REDEMPTION

Shareholders may redeem their Shares by telephoning the Trust before 4:00 p.m.
(Eastern time). Telephone redemption instructions may be recorded. All proceeds
will normally be wire transferred the following business day, but in no event
more than seven days, to the shareholder's account at a domestic commercial bank
that is a member of the Federal Reserve System. Proceeds from redemption
requests received on holidays when wire transfers are restricted will be wired
the following business day. Questions about telephone redemptions on days when
wire transfers are restricted should be directed to your shareholder services
representative at the telephone number listed on your account statement. If at
any time the Trust shall determine it necessary to terminate or modify this
method of redemption, shareholders would be promptly notified.

An authorization form permitting the Trust to accept telephone requests must
first be completed. Authorization forms and information on this service are
available from Federated Securities Corp.

In the event of drastic economic or market changes, a shareholder may experience
difficulty in redeeming by telephone. If such a case should occur, another
method of redemption, such as "Written Requests", should be considered. If
reasonable procedures are not followed by the Trust, it may be liable for losses
due to unauthorized or fraudulent telephone instructions.

WRITTEN REQUESTS

Shares may be redeemed in any amount by mailing a written request to: Federated
Shareholder Services Company, P.O. Box 8600, Boston, MA 02266-8600. If share
certificates have been issued, they should be sent unendorsed with the written
request by registered or certified mail to the address noted above.

SIGNATURES.  Shareholders requesting a redemption of any amount to be sent to an
address other than that on record with the Trust, or a redemption payable other
than to the shareholder of record must have signatures on written redemption
requests guaranteed by:

     - a trust company or commercial bank whose deposits are insured by the Bank
       Insurance Fund ("BIF"), which is administered by the Federal Deposit
       Insurance Corporation ("FDIC");

     - a member of the New York, American, Boston, Midwest, or Pacific Stock
       Exchange;

     - a savings bank or savings association whose deposits are insured by the
       Savings Association Insurance Fund ("SAIF"), which is administered by the
       FDIC; or

     - any other "eligible guarantor institution," as defined in the Securities
       Exchange Act of 1934.

The Trust does not accept signatures guaranteed by a notary public.


The Trust and its transfer agent have adopted standards for accepting signature
guarantees from the above institutions. The Trust may elect in the future to
limit eligible signature guarantors to institutions that are members of a
signature guarantee program. The Trust and its transfer agent reserve the right
to amend these standards at any time without notice.

RECEIVING PAYMENT.  Normally, a check for the proceeds is mailed within one
business day, but in no event more than seven days, after receipt of a proper
written redemption request.

ACCOUNTS WITH LOW BALANCES

Due to the high cost of maintaining accounts with low balances, the Trust may
redeem Shares in any account and pay the proceeds to the shareholder if the
account balance falls below a required minimum value of $25,000. This
requirement does not apply, however, if the balance falls below $25,000 because
of changes in the Trust's net asset value.

Before Shares are redeemed to close an account, the shareholder is notified in
writing and allowed 30 days to purchase additional Shares to meet the minimum
requirement.

SHAREHOLDER INFORMATION
- --------------------------------------------------------------------------------

VOTING RIGHTS

Each share of the Trust gives the shareholder one vote in Trustee elections and
other matters submitted to shareholders for vote. All shares of all classes of
each portfolio in the Trust have equal voting rights except that in matters
affecting only a particular portfolio or class, only shares of that portfolio or
class are entitled to vote. As a Massachusetts business trust, the Trust is not
required to hold annual shareholder meetings. Shareholder approval will be
sought only for certain changes in the Trust's operation and for the election of
Trustees under certain circumstances.

Trustees may be removed by the Trustees or by shareholders at a special meeting.
A special meeting of the shareholders for this purpose shall be called by the
Trustees upon the written request of shareholders owning at least 10% of the
outstanding shares of the Trust entitled to vote.

TAX INFORMATION
- --------------------------------------------------------------------------------

FEDERAL INCOME TAX

The Trust will pay no federal income tax because it expects to meet requirements
of the Internal Revenue Code applicable to regulated investment companies and to
receive the special tax treatment afforded to such companies.

Unless otherwise exempt, shareholders are required to pay federal income tax on
any dividends and other distributions received. This applies whether dividends
and distributions are received in cash or as additional shares.


STATE AND LOCAL TAXES


In the opinion of Houston Donnelly & Meck, counsel to the Trust, Shares may be
subject to personal property taxes imposed by counties, municipalities, and
school districts in Pennsylvania to the extent that the portfolio securities in
the Trust would be subject to such taxes if owned directly by residents of those
jurisdictions.


Shareholders are urged to consult their own tax advisers regarding the status of
their accounts under state and local tax laws.

PERFORMANCE INFORMATION
- --------------------------------------------------------------------------------

From time to time, the Trust advertises its total return and yield for Shares.

Total return represents the change, over a specified period of time, in the
value of an investment in Shares of the Trust after reinvesting all income and
capital gain distributions. It is calculated by dividing that change by the
initial investment and is expressed as a percentage.


The yield of Shares of the Trust is calculated by dividing the net investment
income per share (as defined by the Securities and Exchange Commission) earned
by Shares over a thirty-day period by the maximum offering price per Share on
the last day of the period. This number is then annualized using semi-annual
compounding. The yield does not necessarily reflect income actually earned by
Shares and, therefore, may not correlate to the dividends or other distributions
paid to shareholders.


Shares are sold without any sales charge or other similar non-recurring charges.

Total return and yield will be calculated separately for Institutional Shares
and Institutional Service Shares.

From time to time, advertisements for the Trust's Institutional Shares may refer
to ratings, rankings, and other information in certain financial publications
and/or compare the Trust's Institutional Shares performance to certain indices.

OTHER CLASSES OF SHARES
- --------------------------------------------------------------------------------

The Trust also offers another class of shares called Institutional Service
Shares. Institutional Service Shares are sold at net asset value primarily to
retail and private banking customers of financial institutions and are subject
to a minimum initial investment of $25,000 over a 90-day period.

Institutional Shares and Institutional Service Shares are subject to certain of
the same expenses; however, Institutional Service Shares are distributed under a
12b-1 Plan adopted by the Trust. Expense differences between Institutional
Shares and Institutional Service Shares may affect the performance of each
class.


To obtain more information and a prospectus for Institutional Service Shares,
investors may call 1-800-341-7400.



FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS

FINANCIAL HIGHLIGHTS--INSTITUTIONAL SERVICE SHARES
- --------------------------------------------------------------------------------
(FOR A SHARE OUTSTANDING THROUGHOUT EACH PERIOD)

Reference is made to the Report of Ernst & Young LLP, Independent Auditors on
page 22.
<TABLE>
<CAPTION>
                                                     YEAR ENDED FEBRUARY 28 OR 29,
                                         ------------------------------------------------------
                                          1997       1996        1995        1994       1993(A)
                                         -------    -------     -------     -------     -------
<S>                                      <C>        <C>         <C>         <C>         <C>
NET ASSET VALUE, BEGINNING OF PERIOD      $10.38     $10.25      $10.46      $10.53      $10.37
- --------------------------------------
INCOME FROM INVESTMENT OPERATIONS
- --------------------------------------
  Net investment income                     0.52       0.59        0.50        0.35        0.34
- --------------------------------------
  Net realized and unrealized gain
  (loss) on investments                    (0.06)      0.13       (0.21)      (0.07)       0.16
- --------------------------------------    ------     ------      ------      ------      ------
  Total from investment operations          0.46       0.72        0.29        0.28        0.50
- --------------------------------------    ------     ------      ------      ------      ------
LESS DISTRIBUTIONS
- --------------------------------------
  Distributions from net investment
  income                                   (0.52)     (0.59)      (0.50)      (0.35)      (0.34)
- --------------------------------------    ------     ------      ------      ------      ------
NET ASSET VALUE, END OF PERIOD            $10.32     $10.38      $10.25      $10.46      $10.53
- --------------------------------------    ------     ------      ------      ------      ------
TOTAL RETURN (B)                            4.52%      7.14%       2.88%       2.68%       4.28%
- --------------------------------------
RATIOS TO AVERAGE NET ASSETS
- --------------------------------------
  Expenses                                  0.79%      0.79%       0.79%       0.76%       0.74%*
- --------------------------------------
  Net investment income                     5.01%      5.68%       4.76%       3.33%       4.14%*
- --------------------------------------
  Expense waiver/reimbursement (c)          0.27%      0.26%       0.25%         --          --
- --------------------------------------
SUPPLEMENTAL DATA
- --------------------------------------
  Net assets, end of period (000
  omitted)                               $29,181    $26,432     $29,208     $39,905     $72,722
- --------------------------------------
  Portfolio turnover                         145%       142%        265%        150%        132%
- --------------------------------------
</TABLE>


* Computed on an annualized basis.

(a) Reflects operations for the period from May 29, 1992 (date of initial public
    investment) to February 28, 1993.

(b) Based on net asset value, which does not reflect the sales charge or
    contingent deferred sales charge, if applicable.

(c) This voluntary expense decrease is reflected in both the expense and net
    investment income ratios shown above.

(See Notes which are an integral part of the Financial Statements)


Further information about the Trust's performance is contained in the Trust's
annual report for the fiscal year ended February 28, 1997, which can be obtained
free of charge.



FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS

PORTFOLIO OF INVESTMENTS
FEBRUARY 28, 1997
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
 PRINCIPAL
  AMOUNT                                                                                 VALUE
- -----------        ----------------------------------------------------------------   ------------
<C>           <C>  <S>                                                                <C>
SHORT-INTERMEDIATE TERM OBLIGATIONS--98.4%
- -----------------------------------------------------------------------------------
                   U.S. TREASURY NOTES--98.4%
                   ----------------------------------------------------------------
$40,000,000        7.375%, 11/15/1997                                                 $ 40,476,800
                   ----------------------------------------------------------------
 25,000,000        7.25%, 2/15/1998                                                     25,345,500
                   ----------------------------------------------------------------
 57,000,000        6.125%, 3/31/1998                                                    57,230,850
                   ----------------------------------------------------------------
110,000,000        5.875%, 4/30/1998                                                   110,108,900
                   ----------------------------------------------------------------
 17,430,000        6.00%, 5/31/1998                                                     17,466,777
                   ----------------------------------------------------------------
 35,000,000        6.125%, 8/31/1998                                                    35,102,900
                   ----------------------------------------------------------------
 68,300,000        6.00%, 9/30/1998                                                     68,360,104
                   ----------------------------------------------------------------
 20,000,000        4.75%, 10/31/1998                                                    19,615,000
                   ----------------------------------------------------------------
 50,000,000        5.50%, 11/15/1998                                                    49,593,000
                   ----------------------------------------------------------------
 15,000,000        5.75%, 12/31/1998                                                    14,932,350
                   ----------------------------------------------------------------
 45,000,000        5.875%, 1/31/1999                                                    44,857,350
                   ----------------------------------------------------------------
 20,000,000        5.00%, 2/15/1999                                                     19,616,000
                   ----------------------------------------------------------------
 55,000,000        6.375%, 5/15/1999                                                    55,301,400
                   ----------------------------------------------------------------
 20,000,000        6.75%, 5/31/1999                                                     20,262,800
                   ----------------------------------------------------------------
 20,000,000        6.875%, 7/31/1999                                                    20,323,400
                   ----------------------------------------------------------------
 15,000,000        7.125%, 9/30/1999                                                    15,341,700
                   ----------------------------------------------------------------
 90,000,000        5.875%, 11/15/1999                                                   89,333,100
                   ----------------------------------------------------------------
 15,000,000        7.75%, 11/30/1999                                                    15,580,800
                   ----------------------------------------------------------------   ------------
                   TOTAL SHORT-INTERMEDIATE TERM OBLIGATIONS   (IDENTIFIED COST
                   $719,607,658)                                                       718,848,731
                   ----------------------------------------------------------------   ------------
</TABLE>




FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
 PRINCIPAL
  AMOUNT                                                                                 VALUE
- -----------        ----------------------------------------------------------------   ------------
<C>           <C>  <S>                                                                <C>
(A) REPURCHASE AGREEMENT--0.2%
- -----------------------------------------------------------------------------------
$ 1,755,000        BT Securities Corporation, 5.380%, dated 2/28/1997, due 3/3/1997
                   (AT AMORTIZED COST)                                                $  1,755,000
                   ----------------------------------------------------------------   ------------
                   TOTAL INVESTMENTS (IDENTIFIED COST $721,362,658)(B)                $720,603,731
                   ----------------------------------------------------------------   ------------
</TABLE>


(a) The repurchase agreement is fully collateralized by U.S. Treasury
    obligations based on market prices at the date of the portfolio. The
    investment in the repurchase agreement is through participation in a joint
    account with other Federated funds.

(b) The cost of investments for federal tax purposes amounts to $721,362,658.
    The net unrealized depreciation of investments on a federal tax basis
    amounts to $758,927 which is comprised of $991,177 appreciation and
    $1,750,104 depreciation at February 28, 1997.

Note: The categories of investments are shown as a percentage of net assets
      ($730,679,393) at February 28, 1997.

(See Notes which are an integral part of the Financial Statements)


FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS

STATEMENT OF ASSETS AND LIABILITIES

FEBRUARY 28, 1997

- --------------------------------------------------------------------------------
<TABLE>
<S>                                                                   <C>           <C>
ASSETS:
- --------------------------------------------------------------------------------
Total investments in securities, at value (identified and tax cost $721,362,658)    $720,603,731
- --------------------------------------------------------------------------------
Income receivable                                                                     11,806,447
- --------------------------------------------------------------------------------
Receivable for shares sold                                                             1,255,962
- --------------------------------------------------------------------------------    ------------
     Total assets                                                                    733,666,140
- --------------------------------------------------------------------------------
LIABILITIES:
- --------------------------------------------------------------------------------
Payable for shares redeemed                                           $1,133,400
- -------------------------------------------------------------------
Income distribution payable                                            1,526,059
- -------------------------------------------------------------------
Payable to bank                                                          227,704
- -------------------------------------------------------------------
Accrued expenses                                                          99,584
- -------------------------------------------------------------------   ----------
     Total liabilities                                                                 2,986,747
- --------------------------------------------------------------------------------    ------------
NET ASSETS for 70,773,923 shares outstanding                                        $730,679,393
- --------------------------------------------------------------------------------    ------------
NET ASSETS CONSIST OF:
- --------------------------------------------------------------------------------
Paid in capital                                                                     $813,305,005
- --------------------------------------------------------------------------------
Net unrealized depreciation of investments                                              (758,927)
- --------------------------------------------------------------------------------
Accumulated net realized loss on investments                                         (81,866,685)
- --------------------------------------------------------------------------------    ------------
     Total Net Assets                                                               $730,679,393
- --------------------------------------------------------------------------------    ------------
NET ASSET VALUE, OFFERING PRICE AND REDEMPTION PROCEEDS PER SHARE:
- --------------------------------------------------------------------------------
INSTITUTIONAL SHARES:
$701,498,158 / 67,947,412 shares outstanding                                              $10.32
- --------------------------------------------------------------------------------    ------------
INSTITUTIONAL SERVICE SHARES:
$29,181,235 / 2,826,511 shares outstanding                                                $10.32
- --------------------------------------------------------------------------------    ------------
</TABLE>


(See Notes which are an integral part of the Financial Statements)


FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS

STATEMENT OF OPERATIONS
YEAR ENDED FEBRUARY 28, 1997
- --------------------------------------------------------------------------------
<TABLE>
<S>                                                                <C>            <C>            <C>
INVESTMENT INCOME:
- ---------------------------------------------------------------------------------------------
Interest                                                                                         $42,349,458
- ---------------------------------------------------------------------------------------------
EXPENSES:
- ---------------------------------------------------------------------------------------------
Investment advisory fee                                                           $ 2,917,433
- ------------------------------------------------------------------------------
Administrative personnel and services fee                                             551,185
- ------------------------------------------------------------------------------
Custodian fees                                                                        100,946
- ------------------------------------------------------------------------------
Transfer and dividend disbursing agent fees and expenses                              318,940
- ------------------------------------------------------------------------------
Directors'/Trustees' fees                                                              21,388
- ------------------------------------------------------------------------------
Auditing fees                                                                          17,668
- ------------------------------------------------------------------------------
Legal fees                                                                              7,607
- ------------------------------------------------------------------------------
Portfolio accounting fees                                                             130,853
- ------------------------------------------------------------------------------
Distribution services fee--Institutional Service Shares                                66,385
- ------------------------------------------------------------------------------
Shareholder services fee--Institutional Shares                                      1,757,013
- ------------------------------------------------------------------------------
Shareholder services fee--Institutional Service Shares                                 66,385
- ------------------------------------------------------------------------------
Share registration costs                                                               27,799
- ------------------------------------------------------------------------------
Printing and postage                                                                   14,657
- ------------------------------------------------------------------------------
Insurance premiums                                                                      8,700
- ------------------------------------------------------------------------------
Taxes                                                                                     310
- ------------------------------------------------------------------------------
Miscellaneous                                                                           9,706
- ------------------------------------------------------------------------------    -----------
    Total expenses                                                                  6,016,975
- ------------------------------------------------------------------------------
Waivers--
- ------------------------------------------------------------------------------
  Waiver of investment advisory fee                                $  (160,105)
- ----------------------------------------------------------------
  Waiver of distribution services fee--Institutional Service
    Shares                                                             (63,730)
- ----------------------------------------------------------------
  Waiver of shareholder services fee--Institutional Shares          (1,757,013)
- ----------------------------------------------------------------
  Waiver of shareholder services fee--Institutional Service
    Shares                                                              (2,655)
- ----------------------------------------------------------------   -----------
    Total waivers                                                                  (1,983,503)
- ------------------------------------------------------------------------------    -----------
         Net expenses                                                                              4,033,472
- ---------------------------------------------------------------------------------------------    -----------
             Net investment income                                                                38,315,986
- ---------------------------------------------------------------------------------------------    -----------
REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS:
- ---------------------------------------------------------------------------------------------
Net realized gain on investments                                                                   2,407,185
- ---------------------------------------------------------------------------------------------
Net change in unrealized depreciation of investments                                              (6,065,113)
- ---------------------------------------------------------------------------------------------    -----------
    Net realized and unrealized gain (loss) on investments                                        (3,657,928)
- ---------------------------------------------------------------------------------------------    -----------
         Change in net assets resulting from operations                                          $34,658,058
- ---------------------------------------------------------------------------------------------    -----------
</TABLE>


(See Notes which are an integral part of the Financial Statements)


FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS

STATEMENT OF CHANGES IN NET ASSETS
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                               YEAR ENDED FEBRUARY 28 OR 29,
                                                             ----------------------------------
                                                                 1997                 1996
                                                             -------------        -------------
<S>                                                          <C>                  <C>
INCREASE (DECREASE) IN NET ASSETS:
- ---------------------------------------------------------
OPERATIONS--
- ---------------------------------------------------------
Net investment income                                        $  38,315,986        $  42,785,381
- ---------------------------------------------------------
Net realized gain (loss) on investments ($2,407,185 and
$292,806, respectively, as computed for federal tax
purposes)                                                        2,407,185           10,131,471
- ---------------------------------------------------------
Net change in unrealized appreciation (depreciation)            (6,065,113)          (1,041,038)
- ---------------------------------------------------------    -------------        -------------
     Change in net assets resulting from operations             34,658,058           51,875,814
- ---------------------------------------------------------    -------------        -------------
DISTRIBUTIONS TO SHAREHOLDERS--
- ---------------------------------------------------------
Distributions from net investment income
- ---------------------------------------------------------
  Institutional Shares                                         (36,995,327)         (40,992,648)
- ---------------------------------------------------------
  Institutional Service Shares                                  (1,320,659)          (1,792,733)
- ---------------------------------------------------------    -------------        -------------
     Change in net assets resulting from distributions
     to shareholders                                           (38,315,986)         (42,785,381)
- ---------------------------------------------------------    -------------        -------------
SHARE TRANSACTIONS--
- ---------------------------------------------------------
Proceeds from sale of shares                                   322,523,461          320,860,683
- ---------------------------------------------------------
Net asset value of shares issued to shareholders in
payment of distributions declared                               17,987,684           18,801,398
- ---------------------------------------------------------
Cost of shares redeemed                                       (330,297,708)        (340,873,455)
- ---------------------------------------------------------    -------------        -------------
     Change in net assets resulting from share
       transactions                                             10,213,437           (1,211,374)
- ---------------------------------------------------------    -------------        -------------
          Change in net assets                                   6,555,509            7,879,059
- ---------------------------------------------------------
NET ASSETS:
- ---------------------------------------------------------
Beginning of period                                            724,123,884          716,244,825
- ---------------------------------------------------------    -------------        -------------
End of period                                                $ 730,679,393        $ 724,123,884
- ---------------------------------------------------------    -------------        -------------
</TABLE>


(See Notes which are an integral part of the Financial Statements)


FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS

NOTES TO FINANCIAL STATEMENTS
FEBRUARY 28, 1997
- --------------------------------------------------------------------------------

(1) ORGANIZATION

Federated U.S. Government Securities Fund: 1-3 Years (the "Trust") is registered
under the Investment Company Act of 1940, as amended (the "Act"), as a
diversified, open-end management investment company. The Trust offers two
classes of shares: Institutional Shares and Institutional Service Shares. The
investment objective of the Trust is to provide current income.

(2) SIGNIFICANT ACCOUNTING POLICIES

The following is a summary of significant accounting policies consistently
followed by the Trust in the preparation of its financial statements. These
policies are in conformity with generally accepted accounting principles.

     INVESTMENT VALUATIONS--U.S. government securities are generally valued at
     the mean of the latest bid and asked price as furnished by an independent
     pricing service. Short-term securities are valued at the prices provided by
     an independent pricing service. However, short-term securities with
     remaining maturities of sixty days or less at the time of purchase may be
     valued at amortized cost, which approximates fair market value.

     REPURCHASE AGREEMENTS--It is the policy of the Trust to require the
     custodian bank to take possession, to have legally segregated in the
     Federal Reserve Book Entry System, or to have segregated within the
     custodian bank's vault, all securities held as collateral under repurchase
     agreement transactions. Additionally, procedures have been established by
     the Trust to monitor, on a daily basis, the market value of each repurchase
     agreement's collateral to ensure that the value of collateral at least
     equals the repurchase price to be paid under the repurchase agreement
     transaction.

     The Trust will only enter into repurchase agreements with banks and other
     recognized financial institutions, such as broker/dealers, which are deemed
     by the Trust's adviser to be creditworthy pursuant to the guidelines and/or
     standards reviewed or established by the Board of Trustees (the
     "Trustees"). Risks may arise from the potential inability of counterparties
     to honor the terms of the repurchase agreement. Accordingly, the Trust
     could receive less than the repurchase price on the sale of collateral
     securities.

     INVESTMENT INCOME, EXPENSES AND DISTRIBUTIONS--Interest income and expenses
     are accrued daily. Bond premium and discount, if applicable, are amortized
     as required by the Internal Revenue Code, as amended (the "Code").
     Distributions to shareholders are recorded on the ex-dividend date.

     Income and capital gain distributions are determined in accordance with
     income tax regulations which may differ from generally accepted accounting
     principles. These differences are primarily


FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS
- --------------------------------------------------------------------------------

     due to the expiration of a portion of the capital loss carryforward. The
     following reclassifications have been made to the financial statements.

<TABLE>
<CAPTION>
             INCREASE (DECREASE)
    -------------------------------------
                          ACCUMULATED NET
    PAID IN CAPITAL        REALIZED LOSS
    ----------------      ---------------
    <S>                   <C>
      $(37,088,107)         $37,088,107
</TABLE>


     Net investment income, net realized gains/losses, and net assets were not
     affected by this reclassification.

     FEDERAL TAXES--It is the Trust's policy to comply with the provisions of
     the Code applicable to regulated investment companies and to distribute to
     shareholders each year substantially all of its income. Accordingly, no
     provisions for federal tax are necessary.

     At February 28, 1997, the Trust, for federal tax purposes, had a capital
     loss carryforward of $81,866,685 which will reduce the Trust's taxable
     income arising from future net realized gain on investments, if any, to the
     extent permitted by the Code, and thus will reduce the amount of the
     distributions to shareholders which would otherwise be necessary to relieve
     the Trust of any liability for federal tax. Pursuant to the Code, such
     capital loss carryforward will expire as follows:
<TABLE>
<CAPTION>
     EXPIRATION YEAR        EXPIRATION AMOUNT
    ------------------     --------------------
    <S>                    <C>
           1998                $65,200,181
           2003                $16,666,504
</TABLE>


     WHEN-ISSUED AND DELAYED DELIVERY TRANSACTIONS--The Trust may engage in
     when-issued or delayed delivery transactions. The Trust records when-issued
     securities on the trade date and maintains security positions such that
     sufficient liquid assets will be available to make payment for the
     securities purchased. Securities purchased on a when-issued or delayed
     delivery basis are marked to market daily and begin earning interest on the
     settlement date.

     USE OF ESTIMATES--The preparation of financial statements in conformity
     with generally accepted accounting principles requires management to make
     estimates and assumptions that affect the amounts of assets, liabilities,
     expenses and revenues reported in the financial statements. Actual results
     could differ from those estimated.

     OTHER--Investment transactions are accounted for on the trade date.

(3) SHARES OF BENEFICIAL INTEREST

The Declaration of Trust permits the Trustees to issue an unlimited number of
full and fractional shares of beneficial interest (without par value) for each
class of shares.


FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS
- --------------------------------------------------------------------------------

Transactions in shares were as follows:
<TABLE>
<CAPTION>
                                               YEAR ENDED                       YEAR ENDED
                                            FEBRUARY 28, 1997                FEBRUARY 29, 1996
                                      -----------------------------    -----------------------------
                                        SHARES           AMOUNT          SHARES           AMOUNT
                                      -----------     -------------    -----------     -------------
<S>                                   <C>             <C>              <C>             <C>
INSTITUTIONAL SHARES
- -----------------------------------
Shares sold                            29,434,341     $ 303,822,056     28,772,490     $ 297,888,019
- -----------------------------------
Shares issued to shareholders in
payment of distributions declared       1,630,031        16,817,409      1,662,938        17,222,812
- -----------------------------------
Shares redeemed                       (30,345,659)     (313,337,852)   (30,221,046)     (313,113,463)
- -----------------------------------   -----------     -------------    -----------     -------------
  Net change resulting from
  Institutional Share transactions        718,713     $   7,301,613        214,382     $   1,997,368
- -----------------------------------   -----------     -------------    -----------     -------------
</TABLE>

<TABLE>
<CAPTION>
                                               YEAR ENDED                       YEAR ENDED
                                            FEBRUARY 28, 1997                FEBRUARY 29, 1996
                                      -----------------------------    -----------------------------
                                        SHARES           AMOUNT          SHARES           AMOUNT
                                      -----------     -------------    -----------     -------------
<S>                                   <C>             <C>              <C>             <C>
INSTITUTIONAL SERVICE SHARES
- -----------------------------------
Shares sold                             1,810,402     $  18,701,405      2,223,967     $  22,972,664
- -----------------------------------
Shares issued to shareholders in
payment of distributions declared         113,428         1,170,275        152,468         1,578,586
- -----------------------------------
Shares redeemed                        (1,644,276)      (16,959,856)    (2,678,513)      (27,759,992)
- -----------------------------------   -----------     -------------    -----------     -------------
  Net change resulting from
  Institutional Service Share
  transactions                            279,554     $   2,911,824       (302,078)    $  (3,208,742)
- -----------------------------------   -----------     -------------    -----------     -------------
     Net change resulting from
     Trust share transactions             998,267     $  10,213,437        (87,696)    $  (1,211,374)
- -----------------------------------   -----------     -------------    -----------     -------------
</TABLE>



(4) INVESTMENT ADVISORY FEE AND OTHER TRANSACTIONS WITH AFFILIATES

     INVESTMENT ADVISORY FEE--Federated Management, the Trust's investment
     adviser (the "Adviser"), receives for its services an annual investment
     advisory fee equal to 0.40% of the Trust's average daily net assets. The
     Adviser may voluntarily choose to waive any portion of its fee. The Adviser
     can modify or terminate this voluntary waiver at any time at its sole
     discretion.

     ADMINISTRATIVE FEE--Federated Services Company ("FServ"), under the
     Administrative Services Agreement, provides the Trust with administrative
     personnel and services. The fee paid to FServ is based on the level of
     average aggregate daily net assets of all funds advised by subsidiaries of
     Federated Investors for the period. The administrative fee received during
     the period of the


FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS
- --------------------------------------------------------------------------------

     Administrative Services Agreement shall be at least $125,000 per portfolio
     and $30,000 per each additional class of shares.

     DISTRIBUTION SERVICES FEE--The Trust has adopted a Distribution Plan (the
     "Plan") pursuant to Rule 12b-1 under the Act. Under the terms of the Plan,
     the Trust will compensate Federated Securities Corp. ("FSC"), the principal
     distributor, from the net assets of the Trust to finance activities
     intended to result in the sale of the Trust's Institutional Service Shares.
     The Plan provides that the Trust may incur distribution expenses up to
     0.25% of the average daily net assets of the Institutional Service Shares,
     annually, to compensate FSC. FSC may voluntarily choose to waive any
     portion of its fee. FSC can modify or terminate this voluntary waiver at
     any time at its sole discretion.

     SHAREHOLDER SERVICES FEE--Under the terms of a Shareholder Services
     Agreement with Federated Shareholder Services ("FSS"), the Fund will pay
     FSS up to 0.25% of average daily net assets of the Trust for the period.
     The fee paid to FSS is used to finance certain services for shareholders
     and to maintain shareholder accounts. FSS may voluntarily choose to waive
     any portion of its fee. FSS can modify or terminate this voluntary waiver
     at any time at its sole discretion. For the fiscal year ended February 28,
     1997, Institutional Shares fully waived its shareholder services fee.

     TRANSFER AND DIVIDEND DISBURSING AGENT FEES AND EXPENSES--FServ, through
     its subsidiary, Federated Shareholder Services Company ("FSSC") serves as
     transfer and dividend disbursing agent for the Trust. The fee paid to FSSC
     is based on the size, type, and number of accounts and transactions made by
     shareholders.

     PORTFOLIO ACCOUNTING FEES--FServ maintains the Trust's accounting records
     for which it receives a fee. The fee is based on the level of the Trust's
     average daily net assets for the period, plus out-of-pocket expenses.

     GENERAL--Certain of the Officers and Trustees of the Trust are Officers and
     Directors or Trustees of the above companies.

(5) INVESTMENT TRANSACTIONS

Purchases and sales of investments, excluding short-term securities, for the
period ended February 28, 1997, were as follows:
<TABLE>
<S>                                                                             <C>
- -----------------------------------------------------------------------------
Purchases                                                                       $1,044,281,434
- -----------------------------------------------------------------------------   --------------
Sales                                                                           $1,036,022,017
- -----------------------------------------------------------------------------   --------------
</TABLE>



REPORT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
- --------------------------------------------------------------------------------

To the Trustees and Shareholders of

FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS:


We have audited the accompanying statement of assets and liabilities, including
the portfolio of investments, of Federated U.S. Government Securities Fund: 1-3
Years as of February 28, 1997, and the related statement of operations for the
year then ended, the statement of changes in net assets for each of the two
years in the period then ended and the financial highlights (see pages 2 and 12
of this prospectus) for the periods presented therein. These financial
statements and financial highlights are the responsibility of the Trust's
management. Our responsibility is to express an opinion on these financial
statements and financial highlights based on our audits.


We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audits to obtain
reasonable assurance about whether the financial statements and financial
highlights are free of material misstatement. An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the financial
statements. Our procedures included confirmation of securities owned as of
February 28, 1997, by correspondence with the custodian and brokers. An audit
also includes assessing the accounting principles used and significant estimates
made by management, as well as evaluating the overall financial statement
presentation. We believe that our audits provide a reasonable basis for our
opinion.

In our opinion, the financial statements and financial highlights referred to
above present fairly, in all material respects, the financial position of
Federated U.S. Government Securities Fund: 1-3 Years at February 28, 1997, and
the results of its operations for the year then ended, changes in its net assets
for each of the two years in the period then ended, and financial highlights for
the periods presented therein, in conformity with generally accepted accounting
principles.

                                                               ERNST & YOUNG LLP

Pittsburgh, Pennsylvania
April 14, 1997


ADDRESSES
- --------------------------------------------------------------------------------
<TABLE>
<S>             <C>                                          <C>
Federated U.S. Government Securities Fund: 1-3 Years
                Institutional Shares                         Federated Investors Tower
                                                             Pittsburgh, Pennsylvania 15222-3779
- ------------------------------------------------------------------------------------------------

Distributor
                Federated Securities Corp.                   Federated Investors Tower
                                                             Pittsburgh, Pennsylvania 15222-3779
- ------------------------------------------------------------------------------------------------

Investment Adviser
                Federated Management                         Federated Investors Tower
                                                             Pittsburgh, Pennsylvania 15222-3779
- ------------------------------------------------------------------------------------------------

Custodian
                State Street Bank and                        P.O. Box 8600
                Trust Company                                Boston, Massachusetts 02266-8600
- ------------------------------------------------------------------------------------------------

Transfer Agent and Dividend Disbursing Agent
                Federated Shareholder Services Company       P.O. Box 8600
                                                             Boston, Massachusetts 02266-8600
- ------------------------------------------------------------------------------------------------

Independent Auditors
                Ernst & Young LLP                            One Oxford Centre
                                                             Pittsburgh, Pennsylvania 15219
- ------------------------------------------------------------------------------------------------
</TABLE>



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

- --------------------------------------------------------------------------------
                                           FEDERATED U.S.
                                           GOVERNMENT SECURITIES
                                           FUND: 1-3 YEARS
                                           INSTITUTIONAL SHARES
                                           PROSPECTUS

                                           An Open-End, Diversified Management
                                           Investment Company


                                           Prospectus dated April 30, 1997


LOGO

       Cusip 31428M100

       8032806A-IS (4/97)






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

- --------------------------------------------------------------------------------
FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS
INSTITUTIONAL SERVICE SHARES
PROSPECTUS

The Institutional Service Shares offered by this prospectus represent interests
in a diversified portfolio of securities of Federated U.S. Government Securities
Fund: 1-3 Years (the "Trust"). The Trust is an open-end management investment
company (a mutual fund).

The investment objective of the Trust is to provide current income. The Trust
invests primarily in U.S. government securities. Institutional Service Shares
are sold at net asset value.

THE INSTITUTIONAL SERVICE SHARES OFFERED BY THIS PROSPECTUS ARE NOT DEPOSITS OR
OBLIGATIONS OF ANY BANK, ARE NOT ENDORSED OR GUARANTEED BY ANY BANK, AND ARE NOT
INSURED BY THE FEDERAL DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD,
OR ANY OTHER GOVERNMENTAL AGENCY. INVESTMENT IN THESE SHARES INVOLVES INVESTMENT
RISKS, INCLUDING THE POSSIBLE LOSS OF PRINCIPAL.

This prospectus contains the information you should read and know before you
invest in Institutional Service Shares of the Trust. Keep this prospectus for
future reference.


The Trust has also filed a Statement of Additional Information for Institutional
Service Shares and Institutional Shares dated April 30, 1997, with the
Securities and Exchange Commission ("SEC"). The information contained in the
Statement of Additional Information is incorporated by reference into this
prospectus. You may request a copy of the Statement of Additional Information or
a paper copy of this prospectus, if you have received your prospectus
electronically, free of charge by calling 1-800-341-7400. To obtain other
information or make inquiries about the Trust, contact the Trust at the address
listed in the back of this prospectus. The Statement of Additional Information,
material incorporated by reference into this document, and other information
regarding the Trust is maintained electronically with the SEC at Internet Web
site (http://www.sec.gov).



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.



Prospectus dated April 30, 1997


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


SUMMARY OF TRUST EXPENSES                                                      1

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

FINANCIAL HIGHLIGHTS--
  INSTITUTIONAL SERVICE SHARES                                                 2
- ------------------------------------------------------

GENERAL INFORMATION                                                            3
- ------------------------------------------------------

INVESTMENT INFORMATION                                                         3
- ------------------------------------------------------
  Investment Objective                                                         3
  Investment Policies                                                          3
  Investment Limitations                                                       4

TRUST INFORMATION                                                              5
- ------------------------------------------------------
  Management of the Trust                                                      5
  Distribution of Institutional Service Shares  6
  Administration of the Trust                                                  7

NET ASSET VALUE                                                                7
- ------------------------------------------------------

INVESTING IN INSTITUTIONAL SERVICE SHARES                                      7
- ------------------------------------------------------
  Share Purchases                                                              7
  Exchange Privilege                                                           8
  Minimum Investment Required                                                  8
  What Shares Cost                                                             8
  Certificates and Confirmations                                               8
  Dividends                                                                    9
  Capital Gains                                                                9

REDEEMING INSTITUTIONAL SERVICE SHARES                                         9
- ------------------------------------------------------
  Telephone Redemption                                                         9
  Written Requests                                                             9
  Accounts with Low Balances                                                  10

SHAREHOLDER INFORMATION                                                       10
- ------------------------------------------------------
  Voting Rights                                                               10
TAX INFORMATION                                                               11
- ------------------------------------------------------
  Federal Income Tax                                                          11
  State and Local Taxes                                                       11

PERFORMANCE INFORMATION                                                       11
- ------------------------------------------------------

OTHER CLASSES OF SHARES                                                       12
- ------------------------------------------------------

FINANCIAL HIGHLIGHTS--
  INSTITUTIONAL SHARES                                                        13
- ------------------------------------------------------

FINANCIAL STATEMENTS                                                          14
- ------------------------------------------------------

REPORT OF ERNST & YOUNG LLP,
  INDEPENDENT AUDITORS                                                        23
- ------------------------------------------------------

ADDRESSES                                                                     24
- ------------------------------------------------------



SUMMARY OF TRUST EXPENSES

- --------------------------------------------------------------------------------
<TABLE>
<S>                                                                                <C>      <C>
                                  INSTITUTIONAL SERVICE SHARES
                                SHAREHOLDER TRANSACTION EXPENSES
Maximum Sales Charge Imposed on Purchases (as a percentage of offering price)...........     None
Maximum Sales Charge Imposed on Reinvested Dividends (as a percentage of offering
  price)................................................................................     None
Contingent Deferred Sales Charge (as a percentage of original purchase price or
  redemption proceeds, as applicable)...................................................     None
Redemption Fee (as a percentage of amount redeemed, if applicable)......................     None
Exchange Fee............................................................................     None

                                    ANNUAL OPERATING EXPENSES
                             (As a percentage of average net assets)
Management Fee (after waiver)(1)........................................................    0.38%
12b-1 Fee (after waiver)(2).............................................................    0.01%
Total Other Expenses....................................................................    0.40%
         Shareholder Services Fee (after waiver)(3).............................   0.24%
    Total Operating Expenses(4).........................................................    0.79%
</TABLE>



(1) The management fee has been reduced to reflect the voluntary waiver of a
portion of the management fee. The adviser can terminate this voluntary waiver
at any time at its sole discretion. The maximum management fee is 0.40%.



(2) The 12b-1 fee has been reduced to reflect the voluntary waiver of a portion
of the 12b-1 fee. The distributor can terminate this voluntary waiver at any
time at its sole discretion. The maximum 12b-1 fee is 0.25%.


(3) The shareholder services fee has been reduced to reflect the voluntary
waiver of a portion of the shareholders services fee. The shareholder service
provider can terminate this voluntary waiver at any time at its sole discretion.
The maximum shareholder services fee is 0.25%.

(4) The total operating expenses would have been 1.06% absent the voluntary
waivers of portions of the management fee, 12b-1 fee and shareholder services
fee.


    The purpose of this table is to assist an investor in understanding the
various costs and expenses that a shareholder of Institutional Service Shares of
the Trust will bear, either directly or indirectly. For more complete
descriptions of the various costs and expenses, see "Trust Information" and
"Investing in Institutional Service Shares." Wire-transferred redemptions of
less than $5,000 may be subject to additional fees.


LONG-TERM SHAREHOLDERS MAY PAY MORE THAN THE ECONOMIC EQUIVALENT OF THE MAXIMUM
FRONT-END SALES CHARGES PERMITTED UNDER THE RULES OF THE NATIONAL ASSOCIATION OF
SECURITIES DEALERS, INC.
<TABLE>
<CAPTION>
                     EXAMPLE                         1 year      3 years      5 years      10 years
- -------------------------------------------------    -------     --------     --------     ---------
<S>                                                  <C>         <C>          <C>          <C>
You would pay the following expenses on a $1,000
  investment, assuming (1) 5% annual return and
  (2) redemption at the end of each time
  period.........................................      $ 8         $ 25         $ 44          $98
</TABLE>


    THE ABOVE EXAMPLE SHOULD NOT BE CONSIDERED A REPRESENTATION OF PAST OR
FUTURE EXPENSES. ACTUAL EXPENSES MAY BE GREATER OR LESS THAN THOSE SHOWN.


FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS

FINANCIAL HIGHLIGHTS--INSTITUTIONAL SERVICE SHARES
- --------------------------------------------------------------------------------
(FOR A SHARE OUTSTANDING THROUGHOUT EACH PERIOD)

Reference is made to the Report of Ernst & Young LLP, Independent Auditors on
page 23.
<TABLE>
<CAPTION>
                                                     YEAR ENDED FEBRUARY 28 OR 29,
                                         ------------------------------------------------------
                                          1997       1996        1995        1994       1993(A)
                                         -------    -------     -------     -------     -------
<S>                                      <C>        <C>         <C>         <C>         <C>
NET ASSET VALUE, BEGINNING OF PERIOD      $10.38     $10.25      $10.46      $10.53      $10.37
- --------------------------------------
INCOME FROM INVESTMENT OPERATIONS
- --------------------------------------
  Net investment income                     0.52       0.59        0.50        0.35        0.34
- --------------------------------------
  Net realized and unrealized gain
  (loss) on investments                    (0.06)      0.13       (0.21)      (0.07)       0.16
- --------------------------------------    ------     ------      ------      ------      ------
  Total from investment operations          0.46       0.72        0.29        0.28        0.50
- --------------------------------------    ------     ------      ------      ------      ------
LESS DISTRIBUTIONS
- --------------------------------------
  Distributions from net investment
  income                                   (0.52)     (0.59)      (0.50)      (0.35)      (0.34)
- --------------------------------------    ------     ------      ------      ------      ------
NET ASSET VALUE, END OF PERIOD            $10.32     $10.38      $10.25      $10.46      $10.53
- --------------------------------------    ------     ------      ------      ------      ------
TOTAL RETURN (B)                            4.52%      7.14%       2.88%       2.68%       4.28%
- --------------------------------------
RATIOS TO AVERAGE NET ASSETS
- --------------------------------------
  Expenses                                  0.79%      0.79%       0.79%       0.76%       0.74%*
- --------------------------------------
  Net investment income                     5.01%      5.68%       4.76%       3.33%       4.14%*
- --------------------------------------
  Expense waiver/reimbursement (c)          0.27%      0.26%       0.25%         --          --
- --------------------------------------
SUPPLEMENTAL DATA
- --------------------------------------
  Net assets, end of period (000
  omitted)                               $29,181    $26,432     $29,208     $39,905     $72,722
- --------------------------------------
  Portfolio turnover                         145%       142%        265%        150%        132%
- --------------------------------------
</TABLE>


* Computed on an annualized basis.

(a) Reflects operations for the period from May 29, 1992 (date of initial public
    investment) to February 28, 1993.

(b) Based on net asset value, which does not reflect the sales charge or
    contingent deferred sales charge, if applicable.

(c) This voluntary expense decrease is reflected in both the expense and net
    investment income ratios shown above.

(See Notes which are an integral part of the Financial Statements)


Further information about the Trust's performance is contained in the Trust's
annual report for the fiscal year ended February 28, 1997, which can be obtained
free of charge.



GENERAL INFORMATION
- --------------------------------------------------------------------------------

The Trust was established as a Massachusetts business trust under a Declaration
of Trust dated January 3, 1984. On April 13, 1995, the Board of Trustees (the
"Trustees") changed the name of the Trust from Federated Short-Intermediate
Government Trust to Federated U.S. Government Securities Fund: 1-3 Years. The
Declaration of Trust permits the Trust to offer separate series of shares of
beneficial interest representing interests in separate portfolios of securities.
The shares in any one portfolio may be offered in separate classes. As of the
date of this prospectus, the Trustees have established two classes of shares of
the Trust, known as Institutional Service Shares and Institutional Shares. This
prospectus relates only to Institutional Service Shares of the Trust.

Institutional Service Shares ("Shares") are designed primarily for retail and
private banking customers of financial institutions as a convenient means of
accumulating an interest in a professionally managed, diversified portfolio of
U.S. government securities. A minimum initial investment of $25,000 over a 90-
day period is required.

Shares are currently sold and redeemed at net asset value without a sales charge
imposed by the Trust.

INVESTMENT INFORMATION
- --------------------------------------------------------------------------------

INVESTMENT OBJECTIVE

The investment objective of the Trust is to provide current income. While there
is no assurance that the Trust will achieve its investment objective, it
endeavors to do so by following the investment policies described in this
prospectus. Unless otherwise noted, the investment objective and the policies
and limitations described below cannot be changed without approval of
shareholders.

INVESTMENT POLICIES

The Trust pursues its investment objective by investing in U.S. government
securities with remaining maturities of 3 1/2 years or less. As a matter of
investment practice which can be changed without shareholder approval, the Trust
will maintain a dollar-weighted average portfolio maturity of 1 to 3 years.

ACCEPTABLE INVESTMENTS.  The U.S. government securities in which the Trust
invests are either issued or guaranteed by the U.S. government, its agencies, or
instrumentalities. These securities are limited to:


     - direct obligations of the U.S. Treasury, such as U.S. Treasury bills,
       notes, and bonds;



     - notes, bonds, and discount notes issued or guaranteed by U.S. government
       agencies and instrumentalities supported by the full faith and credit of
       the United States;



     - notes, bonds, and discount notes of U.S. government agencies or
       instrumentalities which receive or have access to federal funding; and



     - notes, bonds, and discount notes of other U.S. government
       instrumentalities supported only by the credit of the instrumentalities.




Some obligations issued or guaranteed by agencies or instrumentalities of the
U.S. government are backed by the full faith and credit of the U.S. Treasury. No
assurances can be given that the U.S. government will provide financial support
to other agencies or instrumentalities, since it is not obligated to do so. The
instrumentalities are supported by:


     - the issuer's right to borrow an amount limited to a specific line of
       credit from the U.S. Treasury;

     - discretionary authority of the U.S. government to purchase certain
       obligations of an agency or instrumentality; or

     - the credit of the agency or instrumentality.

The prices of fixed income securities fluctuate inversely to the direction of
interest rates.

REPURCHASE AGREEMENTS.  Repurchase agreements are arrangements in which banks,
broker/dealers, and other recognized financial institutions sell U.S. government
securities or other securities to the Trust and agree at the time of sale to
repurchase them at a mutually agreed upon time and price. To the extent that the
original seller does not repurchase the securities from the Trust, the Trust
could receive less than the repurchase price on any sale of such securities.

As a matter of investment practice which can be changed without shareholder
approval, the Trust will not invest more than 15% of the value of its net assets
in securities which are illiquid, including repurchase agreements providing for
settlement in more than seven days after notice.


WHEN-ISSUED AND DELAYED DELIVERY TRANSACTIONS.  As a matter of investment
practice which can be changed without shareholder approval, the Trust may
purchase U.S. government securities on a when-issued or delayed delivery basis.
These transactions are arrangements in which the Trust purchases securities with
payment and delivery scheduled for a future time. The seller's failure to
complete these transactions may cause the Trust to miss a price or yield
considered to be advantageous. Settlement dates may be a month or more after
entering into these transactions, and the market values of the securities
purchased may vary from the purchase prices.


The Trust may dispose of a commitment prior to settlement if the adviser deems
it appropriate to do so. In addition, the Trust may enter into transactions to
sell its purchase commitments to third parties at current market values and
simultaneously acquire other commitments to purchase similar securities at later
dates. The Trust may realize short-term profits or losses upon the sale of such
commitments.


PORTFOLIO TRANSACTIONS.  The Trust conducts portfolio transactions to accomplish
its investment objective as interest rates change, to invest new money obtained
from selling its shares, and to meet redemption requests. The Trust may dispose
of portfolio securities at any time if it appears that selling the securities
will help the Trust achieve its investment objective.

INVESTMENT LIMITATIONS

The Trust will not borrow money or pledge assets except, under certain
circumstances, the Trust may borrow up to one-third of the value of its total
assets and pledge up to 10% of the value of those assets to secure such
borrowings.


TRUST INFORMATION
- --------------------------------------------------------------------------------

MANAGEMENT OF THE TRUST

BOARD OF TRUSTEES.  The Trust is managed by a Board of Trustees. The Trustees
are responsible for managing the Trust's business affairs and for exercising all
the Trust's powers except those reserved for the shareholders. The Executive
Committee of the Board of Trustees handles the Board's responsibilities between
meetings of the Board.

INVESTMENT ADVISER.  Investment decisions for the Trust are made by Federated
Management, the Trust's investment adviser, subject to direction by the
Trustees. The adviser continually conducts investment research and supervision
for the Trust and is responsible for the purchase or sale of portfolio
instruments, for which it receives an annual fee from the Trust.


ADVISORY FEES.  The Trust's adviser receives an annual investment advisory fee
equal to .40% of the Trust's average daily net assets. This does not include
reimbursement to the Trust of any expenses incurred by shareholders who use the
transfer agent's subaccounting facilities.


ADVISER'S BACKGROUND.  Federated Management, a Delaware business trust organized
on April 11, 1989, is a registered investment adviser under the Investment
Advisers Act of 1940. It is a subsidiary of Federated Investors. All of the
Class A (voting) shares of Federated Investors are owned by a trust, the
trustees of which are John F. Donahue, Chairman and Trustee of Federated
Investors, Mr. Donahue's wife, and Mr. Donahue's son, J. Christopher Donahue,
who is President and Trustee of Federated Investors.


Federated Management and other subsidiaries of Federated Investors serve as
investment advisers to a number of investment companies and private accounts.
Certain other subsidiaries also provide administrative services to a number of
investment companies. With over $110 billion invested across more than 300 funds
under management and/or administration by its subsidiaries, as of December 31,
1996, Federated Investors is one of the largest mutual fund investment managers
in the United States. With more than 2,000 employees, Federated continues to be
led by the management who founded the company in 1955. Federated funds are
presently at work in and through 4,500 financial institutions nationwide.


The Trust and the adviser have adopted strict codes of ethics governing the
conduct of all employees who manage the Trust and its portfolio securities.
These codes recognize that such persons owe a fiduciary duty to the Trust's
shareholders and must place the interests of shareholders ahead of the
employees' own interest. Among other things, the codes: require preclearance and
periodic reporting of personal securities transactions; prohibit personal
transactions in securities being purchased or sold, or being considered for
purchase or sale, by the Trust; prohibit purchasing securities in initial public
offerings; and prohibit taking profits on securities held for less than sixty
days. Violations of the codes are subject to review by the Board of Trustees and
could result in severe penalties.

Susan M. Nason has been the Trust's portfolio manager since 1991. Ms. Nason
joined Federated Investors in 1987 and has been a Vice President of the Trust's
investment adviser since 1993. Ms. Nason served as an Assistant Vice President
of the investment adviser from 1990 until 1992. Ms. Nason is a


Chartered Financial Analyst and received her M.S. in Industrial Administration
from Carnegie Mellon University.

Joseph M. Balestrino has been the Trust's portfolio manager since March 1995.
Mr. Balestrino joined Federated Investors in 1986 and has been a Vice President
of the Trust's investment adviser since 1995. Mr. Balestrino served as an
Assistant Vice President of the investment adviser from 1991 to 1995. Mr.
Balestrino is a Chartered Financial Analyst and received his Master's Degree in
Urban and Regional Planning from the University of Pittsburgh.

DISTRIBUTION OF INSTITUTIONAL SERVICE SHARES

Federated Securities Corp. is the principal distributor for the Shares. It is a
Pennsylvania corporation organized on November 14, 1969, and is the principal
distributor for a number of investment companies. Federated Securities Corp. is
a subsidiary of Federated Investors.


DISTRIBUTION PLAN AND SHAREHOLDER SERVICES.  Under a distribution plan adopted
in accordance with Rule 12b-1 under the Investment Company Act of 1940 (the
"Plan"), the distributor may be paid a fee by the Trust in an amount computed at
an annual rate of .25% of the average daily net asset value of Shares of the
Trust. The distributor may select financial institutions such as banks,
fiduciaries, custodians for public funds, investment advisers, and
broker/dealers to provide sales services or distribution-related support
services as agents for their clients or customers.


The Plan is a compensation-type plan. As such, the Trust makes no payments to
the distributor except as described above. Therefore, the Trust does not pay for
unreimbursed expenses of the distributor, including amounts expended by the
distributor in excess of amounts received by it from the Trust, interest,
carrying or other financing charges in connection with excess amounts expended,
or the distributor's overhead expenses. However, the distributor may be able to
recover such amounts or may earn a profit from future payments made by the Trust
under the Plan.


In addition, the Trust has entered into a Shareholder Services Agreement with
Federated Shareholder Services, a subsidiary of Federated Investors, under which
the Trust may make payments up to .25% of the average daily net asset value of
the Institutional Service Shares, computed at an annual rate, to obtain certain
personal services for shareholders and to maintain shareholder accounts. From
time to time and for such periods as deemed appropriate, the amount stated above
may be reduced voluntarily. Under the Shareholder Services Agreement, Federated
Shareholder Services will either perform shareholder services directly or will
select financial institutions to perform shareholder services. Financial
institutions will receive fees based upon Shares owned by their clients or
customers. The schedules of such fees and the basis upon which such fees will be
paid will be determined from time to time by the Trust and Federated Shareholder
Services.



SUPPLEMENTAL PAYMENTS TO FINANCIAL INSTITUTIONS.  In addition to payments made
pursuant to the Plan and Shareholder Services Agreement, Federated Securities
Corp. and Federated Shareholder Services, from their own assets, may pay
financial institutions supplemental fees for the performance of substantial
sales services, distribution-related support services, or shareholder services.
The support may include sponsoring sales, educational and training seminars for
their employees, providing sales literature, and engineering computer software
programs that emphasize the attributes of the Trust. Such assistance will be
predicated upon the amount of Shares the financial institution sells or may
sell,



and/or upon the type and nature of sales or marketing support furnished by the
financial institution. Any payments made by the distributor may be reimbursed by
the Trust' s investment adviser or its affiliates.

ADMINISTRATION OF THE TRUST

ADMINISTRATIVE SERVICES.  Federated Services Company, a subsidiary of Federated
Investors, provides administrative personnel and services (including certain
legal and financial reporting services) necessary to operate the Trust.
Federated Services Company provides these at an annual rate which relates to the
average aggregate daily net assets of all funds advised by subsidiaries of
Federated Investors ("Federated Funds") as specified below.

<TABLE>
<CAPTION>
       MAXIMUM                  AVERAGE AGGREGATE DAILY
 ADMINISTRATIVE FEE        NET ASSETS OF THE FEDERATED FUNDS
- ---------------------     -----------------------------------
<S>                       <C>
        .15%                   on the first $250 million
        .125%                  on the next $250 million
        .10%                   on the next $250 million
        .075%             on assets in excess of $750 million
</TABLE>



The administrative fee received during any fiscal year shall be at least
$125,000 per portfolio and $30,000 per each additional class of shares.
Federated Services Company may choose voluntarily to waive a portion of its fee.

NET ASSET VALUE
- --------------------------------------------------------------------------------

The Trust's net asset value per share fluctuates. The net asset value for Shares
is determined by adding the interest of the Shares in the market value of all
securities and other assets of the Trust, subtracting the interest of the Shares
in the liabilities of the Trust and those attributable to Shares, and dividing
the remainder by the total number of Shares outstanding. The net asset value for
Institutional Shares may exceed that of Institutional Service Shares due to the
variance in daily net income realized by each class. Such variance will reflect
only accrued net income to which the shareholders of a particular class are
entitled.

INVESTING IN INSTITUTIONAL SERVICE SHARES
- --------------------------------------------------------------------------------

SHARE PURCHASES

Shares are sold on days on which the New York Stock Exchange is open for
business. Shares may be purchased either by wire or mail.

To purchase Shares, open an account by calling Federated Securities Corp.
Information needed to establish an account will be taken over the telephone. The
Trust reserves the right to reject any purchase request.

BY WIRE.  To purchase Shares by Federal Reserve wire, call the Trust before 4:00
p.m. (Eastern time) to place an order. The order is considered received
immediately. Payment by federal wire funds must


be received before 3:00 p.m. (Eastern time) on the next business day following
the order. Federal funds should be wired as follows: Federated Shareholder
Services Company, c/o State Street Bank and Trust Company, Boston,
Massachusetts; Attention: EDGEWIRE; For Credit to: Federated U.S. Government
Securities Fund: 1-3 Years--Institutional Service Shares; Trust Number (this
number can be found on the account statement or by contacting the Trust); Group
Number or Wire Order Number; Nominee or Institution Name; and ABA Number
011000028. Shares cannot be purchased by wire on holidays when wire transfers
are restricted. Questions on wire purchases should be directed to your
shareholder services representative at the telephone number listed on your
account statement.

BY MAIL.  To purchase Shares by mail, send a check made payable to Federated
U.S. Government Securities Fund: 1-3 Years--Institutional Service Shares to
Federated Shareholder Services Company, P.O. Box 8600, Boston, Massachusetts
02266-8600. Orders by mail are considered received after payment by check is
converted by the transfer agent's bank, State Street Bank and Trust Company,
into federal funds. This is generally the next business day after State Street
Bank receives the check.


EXCHANGE PRIVILEGE



Financial institutions that maintain master accounts with an aggregate
investment of at least $400 million in certain funds which are advised or
distributed by affiliates of Federated Investors may exchange their Shares for
Institutional Shares of the Trust at net asset value.


MINIMUM INVESTMENT REQUIRED

The minimum initial investment in Shares is $25,000, plus any bank or broker's
fee, if applicable. However, an account may be opened with a smaller amount as
long as the $25,000 minimum is reached within 90 days. An institutional
investor's minimum investment will be calculated by combining all accounts it
maintains with the Trust. Accounts established through a bank or broker may be
subject to a smaller minimum investment.

WHAT SHARES COST


Shares are sold at their net asset value next determined after an order is
received. There is no sales charge imposed by the Trust. Investors who purchase
Shares through a financial intermediary may be charged a service fee by that
financial intermediary.


The net asset value is determined as of the close of trading (normally 4:00 p.m.
Eastern time) on the New York Stock Exchange, Monday through Friday, except on
(i) days on which there are not sufficient changes in the value of the Trust's
portfolio securities such that its net asset value might be materially affected;
(ii) days during which no Shares are tendered for redemption and no orders to
purchase Shares are received; and (iii) the following holidays: New Year's Day,
Presidents' Day, Good Friday, Memorial Day, Independence Day, Labor Day,
Thanksgiving Day and Christmas Day.

CERTIFICATES AND CONFIRMATIONS

As transfer agent for the Trust, Federated Shareholder Services Company
maintains a share account for each shareholder. Share certificates are not
issued unless requested by contacting the Trust.

Detailed confirmations of each purchase or redemption are sent to each
shareholder. Monthly confirmations are sent to report dividends paid during the
month.


DIVIDENDS

Dividends are declared daily and paid monthly. Dividends are declared just prior
to determining net asset value. If an order for Shares is placed on the
preceding business day, Shares purchased by wire begin earning dividends on the
business day wire payment is received by State Street Bank and Trust Company. If
the order for Shares and payment by wire are received on the same day, Shares
begin earning dividends on the next business day. Shares purchased by check
begin earning dividends on the business day after the check is converted by the
transfer agent into federal funds. Dividends are automatically reinvested on
payment dates in additional Shares unless cash payments are requested by
contacting the Trust.

CAPITAL GAINS

Capital gains realized by the Trust, if any, will be distributed at least once
every 12 months.

REDEEMING INSTITUTIONAL SERVICE SHARES
- --------------------------------------------------------------------------------

The Trust redeems Shares at their net asset value next determined after
Federated Shareholder Services Company receives the redemption request.
Investors who redeem Shares through a financial intermediary may be charged a
service fee by that financial intermediary. Redemptions will be made on days on
which the Trust computes its net asset value. Redemption requests must be
received in proper form and can be made by telephone request or by written
request.

TELEPHONE REDEMPTION

Shareholders may redeem their Shares by telephoning the Trust before 4:00 p.m.
(Eastern time). Telephone redemption instructions may be recorded. All proceeds
will normally be wire transferred the following business day, but in no event
more than seven days, to the shareholder's account at a domestic commercial bank
that is a member of the Federal Reserve System. Proceeds from redemption
requests received on holidays when wire transfers are restricted will be wired
the following business day. Questions about telephone redemptions on days when
wire transfers are restricted should be directed to your shareholder services
representative at the telephone number listed on your account statement. If at
any time the Trust shall determine it necessary to terminate or modify this
method of redemption, shareholders would be promptly notified.

An authorization form permitting the Trust to accept telephone requests must
first be completed. Authorization forms and information on this service are
available from Federated Securities Corp.

In the event of drastic economic or market changes, a shareholder may experience
difficulty in redeeming by telephone. If such a case should occur, another
method of redemption, such as "Written Requests", should be considered. If
reasonable procedures are not followed by the Trust, it may be liable for losses
due to unauthorized or fraudulent telephone instructions.

WRITTEN REQUESTS

Shares may be redeemed in any amount by mailing a written request to: Federated
Shareholder Services Company, P.O. Box 8600, Boston, MA 02266-8600. If share
certificates have been issued, they

should be sent unendorsed with the written request by registered or certified
mail to the address noted above.

SIGNATURES.  Shareholders requesting a redemption of any amount to be sent to an
address other than that on record with the Trust, or a redemption payable other
than to the shareholder of record must have signatures on written redemption
requests guaranteed by:

     - a trust company or commercial bank whose deposits are insured by the Bank
       Insurance Fund ("BIF"), which is administered by the Federal Deposit
       Insurance Corporation ("FDIC");

     - a member of the New York, American, Boston, Midwest, or Pacific Stock
       Exchange;

     - a savings bank or savings association whose deposits are insured by the
       Savings Association Insurance Fund ("SAIF"), which is administered by the
       FDIC; or

     - any other "eligible guarantor institution," as defined in the Securities
       Exchange Act of 1934.

The Trust does not accept signatures guaranteed by a notary public.

The Trust and its transfer agent have adopted standards for accepting signature
guarantees from the above institutions. The Trust may elect in the future to
limit eligible signature guarantors to institutions that are members of a
signature guarantee program. The Trust and its transfer agent reserve the right
to amend these standards at any time without notice.

RECEIVING PAYMENT.  Normally, a check for the proceeds is mailed within one
business day, but in no event more than seven days, after receipt of a proper
written redemption request.

ACCOUNTS WITH LOW BALANCES

Due to the high cost of maintaining accounts with low balances, the Trust may
redeem Shares in any account and pay the proceeds to the shareholder if the
account balance falls below a required minimum value of $25,000. This
requirement does not apply, however, if the balance falls below $25,000 because
of changes in the Trust's net asset value.

Before Shares are redeemed to close an account, the shareholder is notified in
writing and allowed 30 days to purchase additional Shares to meet the minimum
requirement.

SHAREHOLDER INFORMATION
- --------------------------------------------------------------------------------

VOTING RIGHTS


Each share of the Trust gives the shareholder one vote in Trustee elections and
other matters submitted to shareholders for vote. All shares of all classes of
each portfolio in the Trust have equal voting rights except that in matters
affecting only a particular portfolio or class, only shares of that portfolio or
class are entitled to vote. As a Massachusetts business trust, the Trust is not
required to hold annual shareholder meetings. Shareholder approval will be
sought only for certain changes in the Trust's operation and for the election of
Trustees under certain circumstances. As of April 2, 1997, Charles Schwab & Co.
Inc., owned approximately 779,407 shares (25.35%) of voting securities of the
Institutional Service Shares of the Trust, and, therefore, may, for certain
purposes, be deemed to control the Trust and be able to affect the outcome of
certain matters presented for a vote of shareholders.


Trustees may be removed by the Trustees or by shareholders at a special meeting.
A special meeting of the shareholders for this purpose shall be called by the
Trustees upon the written request of shareholders owning at least 10% of the
outstanding shares of the Trust entitled to vote.

TAX INFORMATION
- --------------------------------------------------------------------------------

FEDERAL INCOME TAX

The Trust will pay no federal income tax because it expects to meet requirements
of the Internal Revenue Code applicable to regulated investment companies and to
receive the special tax treatment afforded to such companies.

Unless otherwise exempt, shareholders are required to pay federal income tax on
any dividends and other distributions received. This applies whether dividends
and distributions are received in cash or as additional shares.

STATE AND LOCAL TAXES


In the opinion of Houston Donnelly & Meck, counsel to the Trust, Shares may be
subject to personal property taxes imposed by counties, municipalities, and
school districts in Pennsylvania to the extent that the portfolio securities in
the Trust would be subject to such taxes if owned directly by residents of those
jurisdictions.


Shareholders are urged to consult their own tax advisers regarding the status of
their accounts under state and local tax laws.
PERFORMANCE INFORMATION
- --------------------------------------------------------------------------------

From time to time, the Trust advertises its total return and yield for Shares.

Total return represents the change, over a specified period of time, in the
value of an investment in Shares of the Trust after reinvesting all income and
capital gain distributions. It is calculated by dividing that change by the
initial investment and is expressed as a percentage.


The yield of Shares of the Trust is calculated by dividing the net investment
income per share (as defined by the Securities and Exchange Commission) earned
by Shares over a thirty-day period by the maximum offering price per Share on
the last day of the period. This number is then annualized using semi-annual
compounding. The yield does not necessarily reflect income actually earned by
Shares and, therefore, may not correlate to the dividends or other distributions
paid to shareholders.


Shares are sold without any sales charge.

Total return and yield will be calculated separately for Institutional Service
Shares and Institutional Shares.

From time to time, advertisements for the Trust's Institutional Service Shares
may refer to ratings, rankings, and other information in certain financial
publications and/or compare the Trust's Institutional Service Shares performance
to certain indices.


OTHER CLASSES OF SHARES
- --------------------------------------------------------------------------------

The Trust also offers another class of shares called Institutional Shares.
Institutional Shares are sold at net asset value primarily to accounts for which
financial institutions act in a fiduciary or agency capacity and are subject to
a minimum initial investment of $25,000 over a 90-day period.

Institutional Shares are distributed with no 12b-1 Plan.

Institutional Shares and Institutional Service Shares are subject to certain of
the same expenses. Expense differences, however, between Institutional Shares
and Institutional Service Shares may affect the performance of each class.


To obtain more information and a prospectus for Institutional Shares, investors
may call 1-800-341-7400.



FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS

FINANCIAL HIGHLIGHTS--INSTITUTIONAL SHARES
- --------------------------------------------------------------------------------
(FOR A SHARE OUTSTANDING THROUGHOUT EACH PERIOD)

Reference is made to the Report of Ernst & Young LLP, Independent Auditors on
page 23.
<TABLE>
<CAPTION>
                                                      YEAR ENDED FEBRUARY 28 OR 29,
        -------------------------------------------------------------------------------------------------------------------------
          1997       1996       1995        1994         1993         1992         1991         1990         1989         1988
        --------   --------   --------   ----------   ----------   ----------   ----------   ----------   ----------   ----------
<S>     <C>        <C>        <C>        <C>          <C>          <C>          <C>          <C>          <C>          <C>
NET
ASSET
VALUE,
BEGINNING
OF
PERIOD    $10.38     $10.25     $10.46       $10.53       $10.34       $10.12       $ 9.93       $ 9.81       $10.21       $10.42
- -----
INCOME
FROM
INVESTMENT
OPERATIONS
- -----
 Net
 investment
 income     0.54       0.61       0.52         0.37         0.48         0.67         0.72         0.84         0.82         0.81
- -----
 Net
 realized
 and
 unrealized
 gain
 (loss)
 on
 investments (0.06)    0.13      (0.21)      (0.07)        0.19         0.22         0.19         0.12        (0.40)       (0.16)
- -----         ----     ----       ----        ----         ----         ----         ----         ----         ----         ----
Total
 from
 investment
 operations   0.48     0.74       0.31        0.30         0.67         0.89         0.91         0.96         0.42         0.65
- -----         ----     ----       ----        ----         ----         ----         ----         ----         ----         ----
LESS
DISTRIBUTIONS
- -----
 Distributions
 from net
 investment
 income     (0.54)    (0.61)     (0.52)      (0.37)       (0.48)       (0.67)       (0.72)       (0.84)       (0.82)       (0.81)
- -----
 Distributions
 from net
 realized
 gain
 on
 investments   --        --         --          --           --           --           --           --           --        (0.05)
- -----        ----      ----       ----         ----         ----         ----         ----         ----         ----         ----
Total
distributions(0.54)   (0.61)     (0.52)       (0.37)       (0.48)       (0.67)       (0.72)       (0.84)       (0.82)       (0.86)
- -----         ----     ----       ----         ----         ----         ----         ----         ----         ----         ----
NET
ASSET
VALUE,
END OF
PERIOD    $10.32     $10.38     $10.25       $10.46       $10.53       $10.34       $10.12       $ 9.93       $ 9.81       $10.21
- -----       ----       ----       ----         ----         ----         ----         ----         ----         ----         ----
TOTAL
RETURN(A)     4.78%     7.41%     3.14%        2.93%        6.64%        9.07%       10.11%       10.08%        4.23%        6.58%
- -----
RATIOS
TO
AVERAGE
NET
ASSETS
- -----
 Expenses     0.54%     0.54%     0.54%        0.51%        0.49%        0.48%        0.48%        0.48%        0.47%        0.46%
- -----
 Net
 investment
 income     5.26%      5.91%      5.06%        3.56%        4.63%        6.57%        7.79%        8.42%        8.14%        7.89%
- -----
 Expense
 waiver/
 reimbursement(b)     0.27%     0.26%     0.02%         --         --         --         --          --           --         0.01%
- -----
SUPPLEMENTAL
 DATA
- -----
 Net
 assets,
 end of
 period
 (000
 omitted) $701,498 $697,692   $687,037   $  858,556   $1,034,374   $1,171,633   $1,296,579   $1,725,112   $2,236,208   $3,016,355
- -----
 Portfolio
 turnover      145%      142%      265%         150%         132%         114%          96%         172%         112%          85%
- -----
</TABLE>



(a) Based on net asset value, which does not reflect the sales charge or
    contingent deferred sales charge, if applicable.

(b) This voluntary expense decrease is reflected in both the expense and net
    investment income ratios shown above.

(See Notes which are an integral part of the Financial Statements)


Further information about the Trust's performance is contained in the Trust's
annual report for the fiscal year ended February 28, 1997, which can be obtained
free of charge.


                                       13

FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS

PORTFOLIO OF INVESTMENTS
FEBRUARY 28, 1997
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
 PRINCIPAL
  AMOUNT                                                                                 VALUE
- -----------        ----------------------------------------------------------------   ------------
<C>           <C>  <S>                                                                <C>
SHORT-INTERMEDIATE TERM OBLIGATIONS--98.4%
- -----------------------------------------------------------------------------------
                   U.S. TREASURY NOTES--98.4%
                   ----------------------------------------------------------------
$40,000,000        7.375%, 11/15/1997                                                 $ 40,476,800
                   ----------------------------------------------------------------
 25,000,000        7.25%, 2/15/1998                                                     25,345,500
                   ----------------------------------------------------------------
 57,000,000        6.125%, 3/31/1998                                                    57,230,850
                   ----------------------------------------------------------------
110,000,000        5.875%, 4/30/1998                                                   110,108,900
                   ----------------------------------------------------------------
 17,430,000        6.00%, 5/31/1998                                                     17,466,777
                   ----------------------------------------------------------------
 35,000,000        6.125%, 8/31/1998                                                    35,102,900
                   ----------------------------------------------------------------
 68,300,000        6.00%, 9/30/1998                                                     68,360,104
                   ----------------------------------------------------------------
 20,000,000        4.75%, 10/31/1998                                                    19,615,000
                   ----------------------------------------------------------------
 50,000,000        5.50%, 11/15/1998                                                    49,593,000
                   ----------------------------------------------------------------
 15,000,000        5.75%, 12/31/1998                                                    14,932,350
                   ----------------------------------------------------------------
 45,000,000        5.875%, 1/31/1999                                                    44,857,350
                   ----------------------------------------------------------------
 20,000,000        5.00%, 2/15/1999                                                     19,616,000
                   ----------------------------------------------------------------
 55,000,000        6.375%, 5/15/1999                                                    55,301,400
                   ----------------------------------------------------------------
 20,000,000        6.75%, 5/31/1999                                                     20,262,800
                   ----------------------------------------------------------------
 20,000,000        6.875%, 7/31/1999                                                    20,323,400
                   ----------------------------------------------------------------
 15,000,000        7.125%, 9/30/1999                                                    15,341,700
                   ----------------------------------------------------------------
 90,000,000        5.875%, 11/15/1999                                                   89,333,100
                   ----------------------------------------------------------------
 15,000,000        7.75%, 11/30/1999                                                    15,580,800
                   ----------------------------------------------------------------   ------------
                   TOTAL SHORT-INTERMEDIATE TERM OBLIGATIONS   (IDENTIFIED COST
                   $719,607,658)                                                       718,848,731
                   ----------------------------------------------------------------   ------------
</TABLE>




FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
 PRINCIPAL
  AMOUNT                                                                                 VALUE
- -----------        ----------------------------------------------------------------   ------------
<C>           <C>  <S>                                                                <C>
(A) REPURCHASE AGREEMENT--0.2%
- -----------------------------------------------------------------------------------
$ 1,755,000        BT Securities Corporation, 5.380%, dated 2/28/1997, due 3/3/1997
                   (AT AMORTIZED COST)                                                $  1,755,000
                   ----------------------------------------------------------------   ------------
                   TOTAL INVESTMENTS (IDENTIFIED COST $721,362,658)(B)                $720,603,731
                   ----------------------------------------------------------------   ------------
</TABLE>


(a) The repurchase agreement is fully collateralized by U.S. Treasury
    obligations based on market prices at the date of the portfolio. The
    investment in the repurchase agreement is through participation in a joint
    account with other Federated funds.

(b) The cost of investments for federal tax purposes amounts to $721,362,658.
    The net unrealized depreciation of investments on a federal tax basis
    amounts to $758,927 which is comprised of $991,177 appreciation and
    $1,750,104 depreciation at February 28, 1997.

Note: The categories of investments are shown as a percentage of net assets
      ($730,679,393) at February 28, 1997.

(See Notes which are an integral part of the Financial Statements)


FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS

STATEMENT OF ASSETS AND LIABILITIES

FEBRUARY 28, 1997

- --------------------------------------------------------------------------------
<TABLE>
<S>                                                                   <C>           <C>
ASSETS:
- --------------------------------------------------------------------------------
Total investments in securities, at value (identified and tax cost $721,362,658)    $720,603,731
- --------------------------------------------------------------------------------
Income receivable                                                                     11,806,447
- --------------------------------------------------------------------------------
Receivable for shares sold                                                             1,255,962
- --------------------------------------------------------------------------------    ------------
     Total assets                                                                    733,666,140
- --------------------------------------------------------------------------------
LIABILITIES:
- --------------------------------------------------------------------------------
Payable for shares redeemed                                           $1,133,400
- -------------------------------------------------------------------
Income distribution payable                                            1,526,059
- -------------------------------------------------------------------
Payable to bank                                                          227,704
- -------------------------------------------------------------------
Accrued expenses                                                          99,584
- -------------------------------------------------------------------   ----------
     Total liabilities                                                                 2,986,747
- --------------------------------------------------------------------------------    ------------
NET ASSETS for 70,773,923 shares outstanding                                        $730,679,393
- --------------------------------------------------------------------------------    ------------
NET ASSETS CONSIST OF:
- --------------------------------------------------------------------------------
Paid in capital                                                                     $813,305,005
- --------------------------------------------------------------------------------
Net unrealized depreciation of investments                                              (758,927)
- --------------------------------------------------------------------------------
Accumulated net realized loss on investments                                         (81,866,685)
- --------------------------------------------------------------------------------    ------------
     Total Net Assets                                                               $730,679,393
- --------------------------------------------------------------------------------    ------------
NET ASSET VALUE, OFFERING PRICE AND REDEMPTION PROCEEDS PER SHARE:
- --------------------------------------------------------------------------------
INSTITUTIONAL SHARES:
$701,498,158 / 67,947,412 shares outstanding                                              $10.32
- --------------------------------------------------------------------------------    ------------
INSTITUTIONAL SERVICE SHARES:
$29,181,235 / 2,826,511 shares outstanding                                                $10.32
- --------------------------------------------------------------------------------    ------------
</TABLE>


(See Notes which are an integral part of the Financial Statements)


FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS

STATEMENT OF OPERATIONS
YEAR ENDED FEBRUARY 28, 1997
- --------------------------------------------------------------------------------
<TABLE>
<S>                                                                <C>            <C>            <C>
INVESTMENT INCOME:
- ---------------------------------------------------------------------------------------------
Interest                                                                                         $42,349,458
- ---------------------------------------------------------------------------------------------
EXPENSES:
- ---------------------------------------------------------------------------------------------
Investment advisory fee                                                           $ 2,917,433
- ------------------------------------------------------------------------------
Administrative personnel and services fee                                             551,185
- ------------------------------------------------------------------------------
Custodian fees                                                                        100,946
- ------------------------------------------------------------------------------
Transfer and dividend disbursing agent fees and expenses                              318,940
- ------------------------------------------------------------------------------
Directors'/Trustees' fees                                                              21,388
- ------------------------------------------------------------------------------
Auditing fees                                                                          17,668
- ------------------------------------------------------------------------------
Legal fees                                                                              7,607
- ------------------------------------------------------------------------------
Portfolio accounting fees                                                             130,853
- ------------------------------------------------------------------------------
Distribution services fee--Institutional Service Shares                                66,385
- ------------------------------------------------------------------------------
Shareholder services fee--Institutional Shares                                      1,757,013
- ------------------------------------------------------------------------------
Shareholder services fee--Institutional Service Shares                                 66,385
- ------------------------------------------------------------------------------
Share registration costs                                                               27,799
- ------------------------------------------------------------------------------
Printing and postage                                                                   14,657
- ------------------------------------------------------------------------------
Insurance premiums                                                                      8,700
- ------------------------------------------------------------------------------
Taxes                                                                                     310
- ------------------------------------------------------------------------------
Miscellaneous                                                                           9,706
- ------------------------------------------------------------------------------    -----------
    Total expenses                                                                  6,016,975
- ------------------------------------------------------------------------------
Waivers--
- ------------------------------------------------------------------------------
  Waiver of investment advisory fee                                $  (160,105)
- ----------------------------------------------------------------
  Waiver of distribution services fee--Institutional Service
    Shares                                                             (63,730)
- ----------------------------------------------------------------
  Waiver of shareholder services fee--Institutional Shares          (1,757,013)
- ----------------------------------------------------------------
  Waiver of shareholder services fee--Institutional Service
    Shares                                                              (2,655)
- ----------------------------------------------------------------   -----------
    Total waivers                                                                  (1,983,503)
- ------------------------------------------------------------------------------    -----------
         Net expenses                                                                              4,033,472
- ---------------------------------------------------------------------------------------------    -----------
             Net investment income                                                                38,315,986
- ---------------------------------------------------------------------------------------------    -----------
REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS:
- ---------------------------------------------------------------------------------------------
Net realized gain on investments                                                                   2,407,185
- ---------------------------------------------------------------------------------------------
Net change in unrealized depreciation of investments                                              (6,065,113)
- ---------------------------------------------------------------------------------------------    -----------
    Net realized and unrealized gain (loss) on investments                                        (3,657,928)
- ---------------------------------------------------------------------------------------------    -----------
         Change in net assets resulting from operations                                          $34,658,058
- ---------------------------------------------------------------------------------------------    -----------
</TABLE>


(See Notes which are an integral part of the Financial Statements)


FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS

STATEMENT OF CHANGES IN NET ASSETS
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                               YEAR ENDED FEBRUARY 28 OR 29,
                                                             ----------------------------------
                                                                 1997                 1996
                                                             -------------        -------------
<S>                                                          <C>                  <C>
INCREASE (DECREASE) IN NET ASSETS:
- ---------------------------------------------------------
OPERATIONS--
- ---------------------------------------------------------
Net investment income                                        $  38,315,986        $  42,785,381
- ---------------------------------------------------------
Net realized gain (loss) on investments ($2,407,185 and
$292,806, respectively, as computed for federal tax
purposes)                                                        2,407,185           10,131,471
- ---------------------------------------------------------
Net change in unrealized appreciation (depreciation)            (6,065,113)          (1,041,038)
- ---------------------------------------------------------    -------------        -------------
     Change in net assets resulting from operations             34,658,058           51,875,814
- ---------------------------------------------------------    -------------        -------------
DISTRIBUTIONS TO SHAREHOLDERS--
- ---------------------------------------------------------
Distributions from net investment income
- ---------------------------------------------------------
  Institutional Shares                                         (36,995,327)         (40,992,648)
- ---------------------------------------------------------
  Institutional Service Shares                                  (1,320,659)          (1,792,733)
- ---------------------------------------------------------    -------------        -------------
     Change in net assets resulting from distributions
     to shareholders                                           (38,315,986)         (42,785,381)
- ---------------------------------------------------------    -------------        -------------
SHARE TRANSACTIONS--
- ---------------------------------------------------------
Proceeds from sale of shares                                   322,523,461          320,860,683
- ---------------------------------------------------------
Net asset value of shares issued to shareholders in
payment of distributions declared                               17,987,684           18,801,398
- ---------------------------------------------------------
Cost of shares redeemed                                       (330,297,708)        (340,873,455)
- ---------------------------------------------------------    -------------        -------------
     Change in net assets resulting from share
       transactions                                             10,213,437           (1,211,374)
- ---------------------------------------------------------    -------------        -------------
          Change in net assets                                   6,555,509            7,879,059
- ---------------------------------------------------------
NET ASSETS:
- ---------------------------------------------------------
Beginning of period                                            724,123,884          716,244,825
- ---------------------------------------------------------    -------------        -------------
End of period                                                $ 730,679,393        $ 724,123,884
- ---------------------------------------------------------    -------------        -------------
</TABLE>


(See Notes which are an integral part of the Financial Statements)


FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS

NOTES TO FINANCIAL STATEMENTS
FEBRUARY 28, 1997
- --------------------------------------------------------------------------------

(1) ORGANIZATION

Federated U.S. Government Securities Fund: 1-3 Years (the "Trust") is registered
under the Investment Company Act of 1940, as amended (the "Act"), as a
diversified, open-end management investment company. The Trust offers two
classes of shares: Institutional Shares and Institutional Service Shares. The
investment objective of the Trust is to provide current income.

(2) SIGNIFICANT ACCOUNTING POLICIES

The following is a summary of significant accounting policies consistently
followed by the Trust in the preparation of its financial statements. These
policies are in conformity with generally accepted accounting principles.

     INVESTMENT VALUATIONS--U.S. government securities are generally valued at
     the mean of the latest bid and asked price as furnished by an independent
     pricing service. Short-term securities are valued at the prices provided by
     an independent pricing service. However, short-term securities with
     remaining maturities of sixty days or less at the time of purchase may be
     valued at amortized cost, which approximates fair market value.

     REPURCHASE AGREEMENTS--It is the policy of the Trust to require the
     custodian bank to take possession, to have legally segregated in the
     Federal Reserve Book Entry System, or to have segregated within the
     custodian bank's vault, all securities held as collateral under repurchase
     agreement transactions. Additionally, procedures have been established by
     the Trust to monitor, on a daily basis, the market value of each repurchase
     agreement's collateral to ensure that the value of collateral at least
     equals the repurchase price to be paid under the repurchase agreement
     transaction.

     The Trust will only enter into repurchase agreements with banks and other
     recognized financial institutions, such as broker/dealers, which are deemed
     by the Trust's adviser to be creditworthy pursuant to the guidelines and/or
     standards reviewed or established by the Board of Trustees (the
     "Trustees"). Risks may arise from the potential inability of counterparties
     to honor the terms of the repurchase agreement. Accordingly, the Trust
     could receive less than the repurchase price on the sale of collateral
     securities.

     INVESTMENT INCOME, EXPENSES AND DISTRIBUTIONS--Interest income and expenses
     are accrued daily. Bond premium and discount, if applicable, are amortized
     as required by the Internal Revenue Code, as amended (the "Code").
     Distributions to shareholders are recorded on the ex-dividend date.

     Income and capital gain distributions are determined in accordance with
     income tax regulations which may differ from generally accepted accounting
     principles. These differences are primarily


FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS
- --------------------------------------------------------------------------------

     due to the expiration of a portion of the capital loss carryforward. The
     following reclassifications have been made to the financial statements.

<TABLE>
<CAPTION>
             INCREASE (DECREASE)
    -------------------------------------
                          ACCUMULATED NET
    PAID IN CAPITAL        REALIZED LOSS
    ----------------      ---------------
    <S>                   <C>
      $(37,088,107)         $37,088,107
</TABLE>


     Net investment income, net realized gains/losses, and net assets were not
     affected by this reclassification.

     FEDERAL TAXES--It is the Trust's policy to comply with the provisions of
     the Code applicable to regulated investment companies and to distribute to
     shareholders each year substantially all of its income. Accordingly, no
     provisions for federal tax are necessary.

     At February 28, 1997, the Trust, for federal tax purposes, had a capital
     loss carryforward of $81,866,685 which will reduce the Trust's taxable
     income arising from future net realized gain on investments, if any, to the
     extent permitted by the Code, and thus will reduce the amount of the
     distributions to shareholders which would otherwise be necessary to relieve
     the Trust of any liability for federal tax. Pursuant to the Code, such
     capital loss carryforward will expire as follows:
<TABLE>
<CAPTION>
     EXPIRATION YEAR        EXPIRATION AMOUNT
    ------------------     --------------------
    <S>                    <C>
           1998                $65,200,181
           2003                $16,666,504
</TABLE>


     WHEN-ISSUED AND DELAYED DELIVERY TRANSACTIONS--The Trust may engage in
     when-issued or delayed delivery transactions. The Trust records when-issued
     securities on the trade date and maintains security positions such that
     sufficient liquid assets will be available to make payment for the
     securities purchased. Securities purchased on a when-issued or delayed
     delivery basis are marked to market daily and begin earning interest on the
     settlement date.

     USE OF ESTIMATES--The preparation of financial statements in conformity
     with generally accepted accounting principles requires management to make
     estimates and assumptions that affect the amounts of assets, liabilities,
     expenses and revenues reported in the financial statements. Actual results
     could differ from those estimated.

     OTHER--Investment transactions are accounted for on the trade date.

(3) SHARES OF BENEFICIAL INTEREST

The Declaration of Trust permits the Trustees to issue an unlimited number of
full and fractional shares of beneficial interest (without par value) for each
class of shares.


FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS
- --------------------------------------------------------------------------------

Transactions in shares were as follows:
<TABLE>
<CAPTION>
                                               YEAR ENDED                       YEAR ENDED
                                            FEBRUARY 28, 1997                FEBRUARY 29, 1996
                                      -----------------------------    -----------------------------
                                        SHARES           AMOUNT          SHARES           AMOUNT
                                      -----------     -------------    -----------     -------------
<S>                                   <C>             <C>              <C>             <C>
INSTITUTIONAL SHARES
- -----------------------------------
Shares sold                            29,434,341     $ 303,822,056     28,772,490     $ 297,888,019
- -----------------------------------
Shares issued to shareholders in
payment of distributions declared       1,630,031        16,817,409      1,662,938        17,222,812
- -----------------------------------
Shares redeemed                       (30,345,659)     (313,337,852)   (30,221,046)     (313,113,463)
- -----------------------------------   -----------     -------------    -----------     -------------
  Net change resulting from
  Institutional Share transactions        718,713     $   7,301,613        214,382     $   1,997,368
- -----------------------------------   -----------     -------------    -----------     -------------
</TABLE>

<TABLE>
<CAPTION>
                                               YEAR ENDED                       YEAR ENDED
                                            FEBRUARY 28, 1997                FEBRUARY 29, 1996
                                      -----------------------------    -----------------------------
                                        SHARES           AMOUNT          SHARES           AMOUNT
                                      -----------     -------------    -----------     -------------
<S>                                   <C>             <C>              <C>             <C>
INSTITUTIONAL SERVICE SHARES
- -----------------------------------
Shares sold                             1,810,402     $  18,701,405      2,223,967     $  22,972,664
- -----------------------------------
Shares issued to shareholders in
payment of distributions declared         113,428         1,170,275        152,468         1,578,586
- -----------------------------------
Shares redeemed                        (1,644,276)      (16,959,856)    (2,678,513)      (27,759,992)
- -----------------------------------   -----------     -------------    -----------     -------------
  Net change resulting from
  Institutional Service Share
  transactions                            279,554     $   2,911,824       (302,078)    $  (3,208,742)
- -----------------------------------   -----------     -------------    -----------     -------------
     Net change resulting from
     Trust share transactions             998,267     $  10,213,437        (87,696)    $  (1,211,374)
- -----------------------------------   -----------     -------------    -----------     -------------
</TABLE>



(4) INVESTMENT ADVISORY FEE AND OTHER TRANSACTIONS WITH AFFILIATES

     INVESTMENT ADVISORY FEE--Federated Management, the Trust's investment
     adviser (the "Adviser"), receives for its services an annual investment
     advisory fee equal to 0.40% of the Trust's average daily net assets. The
     Adviser may voluntarily choose to waive any portion of its fee. The Adviser
     can modify or terminate this voluntary waiver at any time at its sole
     discretion.

     ADMINISTRATIVE FEE--Federated Services Company ("FServ"), under the
     Administrative Services Agreement, provides the Trust with administrative
     personnel and services. The fee paid to FServ is based on the level of
     average aggregate daily net assets of all funds advised by subsidiaries of
     Federated Investors for the period. The administrative fee received during
     the period of the


FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS
- --------------------------------------------------------------------------------

     Administrative Services Agreement shall be at least $125,000 per portfolio
     and $30,000 per each additional class of shares.

     DISTRIBUTION SERVICES FEE--The Trust has adopted a Distribution Plan (the
     "Plan") pursuant to Rule 12b-1 under the Act. Under the terms of the Plan,
     the Trust will compensate Federated Securities Corp. ("FSC"), the principal
     distributor, from the net assets of the Trust to finance activities
     intended to result in the sale of the Trust's Institutional Service Shares.
     The Plan provides that the Trust may incur distribution expenses up to
     0.25% of the average daily net assets of the Institutional Service Shares,
     annually, to compensate FSC. FSC may voluntarily choose to waive any
     portion of its fee. FSC can modify or terminate this voluntary waiver at
     any time at its sole discretion.

     SHAREHOLDER SERVICES FEE--Under the terms of a Shareholder Services
     Agreement with Federated Shareholder Services ("FSS"), the Fund will pay
     FSS up to 0.25% of average daily net assets of the Trust for the period.
     The fee paid to FSS is used to finance certain services for shareholders
     and to maintain shareholder accounts. FSS may voluntarily choose to waive
     any portion of its fee. FSS can modify or terminate this voluntary waiver
     at any time at its sole discretion. For the fiscal year ended February 28,
     1997, Institutional Shares fully waived its shareholder services fee.

     TRANSFER AND DIVIDEND DISBURSING AGENT FEES AND EXPENSES--FServ, through
     its subsidiary, Federated Shareholder Services Company ("FSSC") serves as
     transfer and dividend disbursing agent for the Trust. The fee paid to FSSC
     is based on the size, type, and number of accounts and transactions made by
     shareholders.

     PORTFOLIO ACCOUNTING FEES--FServ maintains the Trust's accounting records
     for which it receives a fee. The fee is based on the level of the Trust's
     average daily net assets for the period, plus out-of-pocket expenses.

     GENERAL--Certain of the Officers and Trustees of the Trust are Officers and
     Directors or Trustees of the above companies.

(5) INVESTMENT TRANSACTIONS

Purchases and sales of investments, excluding short-term securities, for the
period ended February 28, 1997, were as follows:
<TABLE>
<S>                                                                             <C>
- -----------------------------------------------------------------------------
Purchases                                                                       $1,044,281,434
- -----------------------------------------------------------------------------   --------------
Sales                                                                           $1,036,022,017
- -----------------------------------------------------------------------------   --------------
</TABLE>



REPORT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
- --------------------------------------------------------------------------------

To the Trustees and Shareholders of

FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS:


We have audited the accompanying statement of assets and liabilities, including
the portfolio of investments, of Federated U.S. Government Securities Fund: 1-3
Years as of February 28, 1997, and the related statement of operations for the
year then ended, the statement of changes in net assets for each of the two
years in the period then ended, and the financial highlights (see pages 2 and 13
of this prospectus) for the periods presented therein. These financial
statements and financial highlights are the responsibility of the Trust's
management. Our responsibility is to express an opinion on these financial
statements and financial highlights based on our audits.


We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audits to obtain
reasonable assurance about whether the financial statements and financial
highlights are free of material misstatement. An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the financial
statements. Our procedures included confirmation of securities owned as of
February 28, 1997, by correspondence with the custodian and brokers. An audit
also includes assessing the accounting principles used and significant estimates
made by management, as well as evaluating the overall financial statement
presentation. We believe that our audits provide a reasonable basis for our
opinion.

In our opinion, the financial statements and financial highlights referred to
above present fairly, in all material respects, the financial position of
Federated U.S. Government Securities Fund: 1-3 Years at February 28, 1997, and
the results of its operations for the year then ended, changes in its net assets
for each of the two years in the period then ended, and financial highlights for
the periods presented therein, in conformity with generally accepted accounting
principles.

                                                               ERNST & YOUNG LLP
Pittsburgh, Pennsylvania
April 14, 1997


ADDRESSES
- --------------------------------------------------------------------------------
<TABLE>
<S>             <C>                                          <C>
Federated U.S. Government Securities Fund: 1-3 Years
                Institutional Service Shares                 Federated Investors Tower
                                                             Pittsburgh, Pennsylvania 15222-3779
- ------------------------------------------------------------------------------------------------

Distributor
                Federated Securities Corp.                   Federated Investors Tower
                                                             Pittsburgh, Pennsylvania 15222-3779
- ------------------------------------------------------------------------------------------------

Investment Adviser
                Federated Management                         Federated Investors Tower
                                                             Pittsburgh, Pennsylvania 15222-3779
- ------------------------------------------------------------------------------------------------

Custodian
                State Street Bank and Trust Company          P.O. Box 8600
                                                             Boston, Massachusetts 02266-8600
- ------------------------------------------------------------------------------------------------

Transfer Agent and Dividend Disbursing Agent
                Federated Shareholder Services Company       P.O. Box 8600
                                                             Boston, Massachusetts 02266-3779
- ------------------------------------------------------------------------------------------------

Independent Auditors
                Ernst & Young LLP                            One Oxford Centre
                                                             Pittsburgh, Pennsylvania 15219
- ------------------------------------------------------------------------------------------------
</TABLE>



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

- --------------------------------------------------------------------------------
                                           FEDERATED U.S.
                                           GOVERNMENT SECURITIES
                                           FUND: 1-3 YEARS
                                           INSTITUTIONAL SERVICE SHARES
                                           PROSPECTUS

                                           An Open-End, Diversified Management
                                           Investment Company


                                           Prospectus dated April 30, 1997


LOGO

       Cusip 31428M209

       8032806A-SS (4/97)






            FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1 - 3 YEARS
                             INSTITUTIONAL SHARES
                         INSTITUTIONAL SERVICE SHARES
                     STATEMENT OF ADDITIONAL INFORMATION
   The Institutional Shares and Institutional Service Shares represent
   interests in a diversified portfolio of securities of Federated U.S.
   Government Securities Fund:  1 - 3 Years (the "Trust"). This Statement
   of Additional Information should be read with the respective
   prospectuses for Institutional Shares and Institutional Service Shares
   dated April 30, 1997. This Statement is not a prospectus itself. You
   may request a copy of a prospectus or a paper copy of this Statement,
   if you have received it electronically, free of charge by calling 1-
   800-341-7400.

   Federated Investors Tower
   Pittsburgh, Pennsylvania 15222-3779
                        Statement dated April 30, 1997











FEDERATED INVESTORS
Federated Investors Tower
Pittsburgh, PA  15222-3779

Federated Securities Corp. is the distributor of the Fund
and is a subsidiary of Federated Investors.
Cusip31428M100
31428M209
8032806B(4/97)


GENERAL INFORMATION ABOUT THE TRUST                      1

INVESTMENT OBJECTIVE AND POLICIES                        1

 Types of Investments                                    1
 When-Issued and Delayed Delivery Transactions           1
 Repurchase Agreements                                   1
 Portfolio Turnover                                      1
 Investment Limitations                                  1
FEDERATED U.S. GOVERNMENT SECURITIES FUND:  1-3 YEARS
MANAGEMENT                                               2

 Trust Ownership                                         6
 Trustee Compensation                                    7
 Trustee Liability                                       8
INVESTMENT ADVISORY SERVICES                             8

 Adviser to the Trust                                    8
 Advisory Fees                                           8
BROKERAGE TRANSACTIONS                                   8

OTHER SERVICES                                           8

TRUST ADMINISTRATION                                     9

 Custodian and Portfolio Accountant                      9
 Transfer Agent                                          9
 Independent Auditors                                    9
 Purchasing Shares                                       9
 Distribution Plan (Institutional Service
      Shares only) and Shareholder Services              9
 Conversion to Federal Funds                            10


DETERMINING NET ASSET VALUE                             10

 Determining Market Value of Securities                 10
REDEEMING SHARES                                        10

 Redemption in Kind                                     10
MASSACHUSETTS PARTNERSHIP LAW                           11

TAX STATUS                                              11

 The Trust's Tax Status                                 11
 Shareholders' Tax Status                               11
TOTAL RETURN                                            11

YIELD                                                   11

PERFORMANCE COMPARISONS                                 12

 Duration                                               13
 About Federated Investors                              13
 Mutual Fund Market                                     13
 Institutional Clients                                  13
 Bank Marketing                                         14
 Broker/Dealers and Bank Broker/Dealer Subsidiaries     14


GENERAL INFORMATION ABOUT THE TRUST

Federated U.S. Government Securities Fund:  1 - 3 Years was established as
a Massachusetts business trust under a Declaration of Trust dated January
3, 1984. On April 13, 1995, the name of the Trust was changed from
Federated Short-Intermediate Government Trust to Federated U.S. Government
Securities Fund:  1 - 3 Years.
Shares of the Trust are offered in two classes, known as Institutional
Shares and Institutional Service Shares (individually and collectively
referred to as "Shares," as the context may require). This Statement of
Additional Information relates to the above mentioned Shares of the Trust.
INVESTMENT OBJECTIVE AND POLICIES

The Trust's investment objective is to provide current income.
TYPES OF INVESTMENTS
The Trust invests in U.S. government securities with remaining maturities
of three and one-half (3 1/2) years or less. This investment policy and the
objective stated above cannot be changed without approval of shareholders.
As a matter of investment practice, which can be changed without
shareholder approval, the Trust will invest in U.S. government securities
with remaining maturities of 3 years or less.
WHEN-ISSUED AND DELAYED DELIVERY TRANSACTIONS
These transactions are made to secure what is considered to be an
advantageous price or yield for the Trust. No fees or other expenses, other
than normal transaction costs, are incurred. However, liquid assets of the
Trust sufficient to make payment for the securities to be purchased are
segregated on the Trust`s records at the trade date. These assets are
marked to market daily and are maintained until the transaction has been
settled. The Trust does not intend to engage in when-issued and delayed


delivery transactions to an extent that would cause the segregation of more
than 20% of the total value of its assets.
REPURCHASE AGREEMENTS
The Trust requires its custodian to take possession of the securities
subject to repurchase agreements, and these securities are marked to market
daily. To the extent that the original seller does not repurchase the
securities from the Trust, the Trust could receive less than the repurchase
price on any sale of such securities. In the event that such a defaulting
seller filed for bankruptcy or became insolvent, disposition of such
securities by the Trust might be delayed pending court action. The Trust
believes that under the regular procedures normally in effect for custody
of the Trust's portfolio securities subject to repurchase agreements, a
court of competent jurisdiction would rule in favor of the Trust and allow
retention or disposition of such securities. The Trust will only enter into
repurchase agreements with banks and other recognized financial
institutions such as broker/dealers which are deemed by the Trust's adviser
to be creditworthy pursuant to guidelines established by the Trustees.
PORTFOLIO TURNOVER
The Trust will not attempt to set or meet a portfolio turnover rate since
any turnover would be incidental to transactions undertaken in an attempt
to achieve the Trust's investment objective. During the fiscal years ended
February 28, 1997, and February 29, 1996, the portfolio turnover rates were
145% and 142%, respectively.
INVESTMENT LIMITATIONS
The Trust will not change any of the investment limitations described below
without approval of shareholders.


   SELLING SHORT AND BUYING ON MARGIN
     The Trust will not sell any securities short or purchase any
     securities on margin but may obtain such short-term credits as may be
     necessary for clearance of purchases and sales of securities.
   BORROWING MONEY
     The Trust will not borrow money except as a temporary measure for
     extraordinary or emergency purposes and then only in amounts not in
     excess of 5% of the value of its total assets or in an amount up to
     one-third of the value of its total assets, including the amount
     borrowed, in order to meet redemption requests without immediately
     selling portfolio securities. This borrowing provision is not for
     investment leverage but solely to facilitate management of the
     portfolio by enabling the Trust to meet redemption requests when the
     liquidation of portfolio securities would be inconvenient or
     disadvantageous.
     Interest paid on borrowed funds will not be available for investment.
     The Trust will liquidate any such borrowings as soon as possible and
     may not purchase any portfolio securities while the borrowings are
     outstanding.
   PLEDGING ASSETS
     The Trust will not mortgage, pledge, or hypothecate any assets except
     to secure permitted borrowings. In those cases, it may mortgage,
     pledge, or hypothecate assets having a market value not exceeding 10%
     of the value of total assets at the time of the borrowing.
   LENDING CASH OR SECURITIES
     The Trust will not lend any of its assets, except that it may purchase
     or hold U.S. government securities, including repurchase agreements,
     permitted by its investment objective and policies.


Except with respect to borrowing money, if a percentage limitation is
adhered to at the time of investment, a later increase or decrease in
percentage resulting from any change in value or net assets will not result
in a violation of such restriction.
The Trust did not borrow money or pledge securities in excess of 5% of the
value of its net assets during the last fiscal year and has no present
intent to do so in the coming fiscal year.
As a matter of operating policy, the Trust will not purchase any securities
while borrowings in excess of 5% of its total assets are outstanding.
FEDERATED U.S. GOVERNMENT SECURITIES FUND:  1-3 YEARS MANAGEMENT

Officers and Trustees are listed with their addresses, birthdates, present
positions with Federated U. S. Government Securities Fund: 1-3 Years, and
principal occupations.


John F. Donahue@*
Federated Investors Tower
Pittsburgh, PA
Birthdate:  July 28, 1924
Chairman and Trustee
Chairman and Trustee, Federated Investors, Federated Advisers, Federated
Management, and Federated Research; Chairman and Director, Federated
Research Corp. and Federated Global Research Corp.; Chairman, Passport
Research, Ltd.; Chief Executive Officer and Director or Trustee of the
Funds. Mr. Donahue is the father of J. Christopher Donahue, executive Vice
President of the Trust.


Thomas G. Bigley
15 Old Timber Trail
Pittsburgh, PA
Birthdate:  February 3, 1934
Trustee
Chairman of the Board, Children's Hospital of Pittsburgh; formerly, Senior
Partner, Ernst & Young LLP; Director, MED 3000 Group, Inc.; Director,
Member of Executive Committee, University of Pittsburgh; Director or
Trustee of the Funds.






John T. Conroy, Jr.
Wood/IPC Commercial Department
John R. Wood and Associates, Inc., Realtors
3255 Tamiami Trail North
Naples, FL
Birthdate:  June 23, 1937
Trustee
President, Investment Properties Corporation; Senior Vice-President, John
R. Wood and Associates, Inc., Realtors; Partner or Trustee in private real
estate ventures in Southwest Florida; formerly, President, Naples Property
Management, Inc. and Northgate Village Development Corporation; Director or
Trustee of the Funds.


William J. Copeland
One PNC Plaza - 23rd Floor
Pittsburgh, PA
Birthdate:  July 4, 1918
Trustee
Director and Member of the Executive Committee, Michael Baker, Inc.;
formerly, Vice Chairman and Director, PNC Bank, N.A., and PNC Bank Corp.;
Director, Ryan Homes, Inc.; Director or Trustee of the Funds.


James E. Dowd
571 Hayward Mill Road
Concord, MA
Birthdate:  May 18, 1922
Trustee
Attorney-at-law; Director, The Emerging Germany Fund, Inc.; Director or
Trustee of the Funds.


Lawrence D. Ellis, M.D.*
3471 Fifth Avenue, Suite 1111
Pittsburgh, PA
Birthdate:  October 11, 1932
Trustee
Professor of Medicine, University of Pittsburgh; Medical Director,
University of Pittsburgh Medical Center - Downtown; Member, Board of
Directors, University of Pittsburgh Medical Center; formerly, Hematologist,
Oncologist, and Internist, Presbyterian and Montefiore Hospitals; Director
or Trustee of the Funds.




Edward L. Flaherty, Jr.@
Miller, Ament, Henny & Kochuba
205 Ross Street
Pittsburgh, PA
Birthdate:  June 18, 1924
Trustee
Attorney of Counsel, Miller, Ament, Henny & Kochuba; Director, Eat'N Park
Restaurants, Inc.; formerly, Counsel, Horizon Financial, F.A., Western
Region; Director or Trustee of the Funds.





Peter E. Madden
One Royal Palm Way
100 Royal Palm Way
Palm Beach, FL
Birthdate:  March 16, 1942
Trustee
Consultant; Former State Representative, Commonwealth of Massachusetts;
formerly, President, State Street Bank and Trust Company and State Street
Boston Corporation; Director or Trustee of the Funds.


Gregor F. Meyer
Boca Grande Club


Boca Grande, FL
Birthdate:  October 6, 1926
Trustee
Attorney, Retired Member of Miller, Ament, Henny & Kochuba; Chairman,
Meritcare, Inc.; Director, Eat'N Park Restaurants, Inc.; Director or
Trustee of the Funds.


John E. Murray, Jr., J.D., S.J.D.
President, Duquesne University
Pittsburgh, PA
Birthdate:  December 20, 1932
Trustee
President, Law Professor, Duquesne University; Consulting Partner, Mollica,
Murray and Hogue; Director or Trustee of the Funds.


Wesley W. Posvar
1202 Cathedral of Learning
University of Pittsburgh
Pittsburgh, PA
Birthdate:  September 14, 1925
Trustee
Professor, International Politics; Management Consultant; Trustee, Carnegie
Endowment for International Peace, RAND Corporation, Online Computer
Library Center, Inc., National Defense University, U.S. Space Foundation
and Czech Management Center; President Emeritus, University of Pittsburgh;
Founding Chairman, National Advisory Council for Environmental Policy and


Technology, Federal Emergency Management Advisory Board and Czech
Management Center; Director or Trustee of the Funds.


Marjorie P. Smuts
4905 Bayard Street
Pittsburgh, PA
Birthdate:  June 21, 1935
Trustee
Public relations/Marketing/Conference Planning, Manchester Craftsmen's
Guild; Restaurant Consultant, Frick Art & History Center; Conference
Coordinator, University of Pittsburgh Art History Department; Director or
Trustee of the Funds.





Glen R. Johnson
Federated Investors Tower
Pittsburgh, PA
Birthdate:  May 2, 1929
President
Trustee, Federated Investors; President and/or Trustee of some of the
Funds; staff member, Federated Securities Corp.


J. Christopher Donahue
Federated Investors Tower


Pittsburgh, PA
Birthdate:  April 11, 1949
Executive Vice President
President and Trustee, Federated Investors, Federated Advisers, Federated
Management, and Federated Research; President and Director, Federated
Research Corp. and Federated Global Research Corp.; President, Passport
Research, Ltd.; Trustee, Federated Shareholder Services Company, and
Federated Shareholder Services; Director, Federated Services Company;
President or Executive Vice President of the Funds; Director or Trustee of
some of the Funds. Mr. Donahue is the son of John F. Donahue, Chairman and
Trustee of the Company.


Edward C. Gonzales
Federated Investors Tower
Pittsburgh, PA
Birthdate:  October 22, 1930
Executive Vice President
Vice Chairman, Treasurer, and Trustee, Federated Investors; Vice President,
Federated Advisers, Federated Management, Federated Research, Federated
Research Corp., Federated Global Research Corp. and Passport Research,
Ltd.; Executive Vice President and Director, Federated Securities Corp.;
Trustee, Federated Shareholder Services Company; Trustee or Director of
some of the Funds; President, Executive Vice President and Treasurer of
some of the Funds.


John W. McGonigle
Federated Investors Tower


Pittsburgh, PA
Birthdate:  October 26, 1938
Executive Vice President , Secretary and Treasurer
Executive Vice President, Secretary, and Trustee, Federated Investors;
Trustee, Federated Advisers, Federated Management, and Federated Research;
Director, Federated Research Corp. and Federated Global Research Corp.;
Trustee, Federated Shareholder Services Company; Director, Federated
Services Company; President and Trustee, Federated Shareholder Services;
Director, Federated Securities Corp.; Executive Vice President and
Secretary of the Funds; Treasurer of some of the Funds.





Richard B. Fisher
Federated Investors Tower
Pittsburgh, PA
Birthdate:  May 17, 1923
Vice President
Executive Vice President and Trustee, Federated Investors; Chairman and
Director, Federated Securities Corp.; President or Vice President of some
of the Funds; Director or Trustee of some of the Funds.


     *This Trustee is deemed to be an ``interested person'' as defined in
      the Investment Company Act of 1940.


     @Member of the Executive Committee. The Executive Committee of the
      Board of Trustees handles the responsibilities of the Board between
      meetings of the Board.
As used in the table above, "The Funds" and "Funds" mean the following
investment companies:  111 Corcoran Funds; Arrow Funds; Automated
Government Money Trust; Blanchard Funds; Blanchard Precious Metals Fund,
Inc.; Cash Trust Series II; Cash Trust Series, Inc., DG Investor Series;
Edward D. Jones & Co. Daily Passport Cash Trust; Federated Adjustable Rate
U.S. Government Fund, Inc.; Federated American Leaders Fund, Inc.;
Federated ARMs Fund; Federated Equity Funds; Federated Equity Income Fund,
Inc.; Federated Fund for U.S. Government Securities, Inc.; Federated GNMA
Trust; Federated Government Income Securities, Inc.; Federated Government
Trust; Federated High Income Bond Fund, Inc.; Federated High Yield Trust;
Federated Income Securities Trust; Federated Income Trust; Federated Index
Trust; Federated Institutional Trust; Federated Insurance Series; Federated
Investment Portfolios; Federated Investment Trust; Federated Master Trust;
Federated Municipal Opportunities Fund, Inc.; Federated Municipal
Securities Fund, Inc.; Federated Municipal Trust; Federated Short-Term
Municipal Trust; Federated Short-Term U.S. Government Trust; Federated
Stock and Bond Fund, Inc.; Federated Stock Trust; Federated Tax-Free Trust;
Federated Total  Return Series, Inc.; Federated U.S. Government Bond Fund;
Federated U.S. Government Securities Fund: 1-3 Years; Federated U.S.
Government Securities Fund: 2-5 Years; Federated U.S. Government Securities
Fund: 5-10 Years; Federated Utility Fund, Inc.; First Priority Funds; Fixed
Income Securities, Inc.; High Yield Cash Trust; Intermediate Municipal
Trust; International Series, Inc.; Investment Series Funds, Inc.;
Investment Series Trust; Liberty  Term Trust, Inc. - 1999; Liberty U.S.
Government Money Market Trust; Liquid Cash Trust; Managed Series Trust;


Money Market Management, Inc.; Money Market Obligations Trust; Money Market
Trust; Municipal Securities Income Trust; Newpoint Funds; Peachtree Funds;
RIMCO Monument Funds; Targeted Duration Trust; Tax-Free Instruments Trust;
The Planters Funds; The Starburst Funds; The Starburst Funds II; The Virtus
Funds; Trust for Financial Institutions; Trust for Government Cash
Reserves; Trust for Short-Term U.S. Government Securities; Trust for U.S.
Treasury Obligations; Wesmark Funds; and World Investment Series, Inc.
TRUST OWNERSHIP
Officers and Trustees own less than 1% of the Trust's outstanding shares.
As of April 2, 1997, the following shareholders of record owned 5% or more
of the outstanding Institutional Shares of the Trust: The Northern Trust
Company as Trustee for the Libbey Owens Ford Savings Trust, Chicago,
Illinois, owned approximately 9,391,122 shares (13.68%); Charles Schwab and
Company, Inc., San Francisco, California acting in various capacities for
numerous accounts owned approximately 5,123,582 shares (7.46%); Sheldon &
Company, Cleveland, Ohio, owned approximately 4,649,086 shares (6.77%).
As of April 2, 1997, the following shareholders of record owned 5% or more
of the outstanding Institutional Service Shares of the Trust: Charles
Schwab and Company, Inc., San Francisco, California acting in various
capacities for numerous accounts, owned approximately 779,407 shares
(25.35%); Hauser Chemical Research, Inc., Boulder, Colorado, owned
approximately 387,190 shares (12.59%); Industricorp and Co Inc.,
Minneapolis, Minnesota owned approximately 207,539 shares (6.75%).


TRUSTEE COMPENSATION


                      AGGREGATE


NAME ,                COMPENSATION
POSITION WITH         FROM              TOTAL COMPENSATION PAID
TRUST                 TRUST*#           FROM FUND COMPLEX +


John F. Donahue,      $-0-              $-0- for the Trust and
Chairman and Trustee                    56 other investment companies in
                                        the Fund Complex
Thomas G. Bigley,     $1,677.74         $108,725 for the Trust and
Trustee                                 56 other investment companies in
                                        the Fund Complex
John T. Conroy,       $1,845.80         $119,615 for the Trust and
Trustee                                 56 other investment companies in
                                        the Fund Complex
William J. Copeland,  $1,845.80         $119,615 for the Trust and
Trustee                                 56 other investment companies in
                                        the Fund Complex
James E. Dowd,        $1,845.80         $119,615 for the Trust and
Trustee                                 56 other investment companies in
                                        the Fund Complex
Lawrence D. Ellis, M.D.,                $1,677.74 $108,725 for the Trust
                                        and
Trustee                                 56 other investment companies in
                                        the Fund Complex
Edward L. Flaherty, Jr.,                $1,845.80 $119,615 for the Trust
                                        and
Trustee                                 56 other investment companies in
                                        the Fund Complex
Peter E. Madden,      $1,677.74         $108,725 for the Trust and


Trustee                                 56 other investment companies in
                                        the Fund Complex
Gregor F. Meyer,      $1,677.74         $108,725 for the Trust and
Trustee                                 56 other investment companies in
                                        the Fund Complex
John E. Murray, Jr.,  $1,677.74         $108,725 for the Trust and
Trustee                                 56 other investment companies in
                                        the Fund Complex
Wesley W. Posvar,     $1,677.74         $108,725 for the Trust and
Trustee                                 56 other investment companies in
                                        the Fund Complex
Marjorie P. Smuts,    $1,677.74         $108,725 for the Trust and
Trustee                                 56 other investment companies in
                                        the Fund Complex


*Information is furnished for the fiscal year ended February 28, 1997.
#The aggregate compensation is provided for the Trust which is comprised of
one portfolio.
+The information is provided for the last calendar year.



TRUSTEE LIABILITY
The Trust's Declaration of Trust provides that the Trustees will not be
liable for errors of judgment or mistakes of fact or law. However, they are
not protected against any liability to which they would otherwise be
subject by reason of willful misfeasance, bad faith, gross negligence, or
reckless disregard of the duties involved in the conduct of their office.


INVESTMENT ADVISORY SERVICES

ADVISER TO THE TRUST
The Trust's investment adviser is Federated Management. It is a subsidiary
of Federated Investors. All of the voting securities of Federated Investors
are owned by a trust, the trustees of which are John F. Donahue, his wife,
and his son, J. Christopher Donahue.
The adviser shall not be liable to the Trust or any shareholder of the
Trust for any losses that may be sustained in the purchase, holding, or
sale of any security, or for anything done or omitted by it, except acts or
omissions involving willful misfeasance, bad faith, gross negligence, or
reckless disregard of the duties imposed upon it by its contract with the
Trust.
ADVISORY FEES
For its advisory services, Federated Management receives an annual
investment advisory fee as described in the prospectus. For the fiscal
years ended February 28, 1997, February 29, 1996, and February 28, 1995,
the Trust's adviser earned $2,917,433, $2,902,888, and $3,060,247,
respectively, which were reduced by $160,105, $96,365, and $152,733,
respectively, because of undertakings to limit the Trust's expenses.
BROKERAGE TRANSACTIONS

When selecting brokers and dealers to handle the purchase and sale of
portfolio instruments, the adviser looks for prompt execution of the order
at a favorable price. In working with dealers, the adviser will generally
use those who are recognized dealers in specific portfolio instruments,
except when a better price and execution of the order can be obtained
elsewhere. The adviser makes decisions on portfolio transactions and


selects brokers and dealers subject to guidelines established by the
Trustees.
The adviser may select brokers and dealers who offer brokerage and research
services. These services may be furnished directly to the Trust or to the
adviser and may include: advice as to the advisability of investing in
securities; security analysis and reports; economic studies; industry
studies; receipt of quotations for portfolio evaluations; and similar
services.
Research services provided by brokers and dealers may be used by the
adviser or its affiliates in advising the Trust and other accounts. To the
extent that receipt of these services may supplant services for which the
adviser or its affiliates might otherwise have paid, it would tend to
reduce their expenses. The adviser and its affiliates exercise reasonable
business judgment in selecting brokers who offer brokerage and research
services to execute securities transactions. They determine in good faith
that commissions charged by such persons are reasonable in relationship to
the value of the brokerage and research services provided. For the fiscal
years ended February 28, 1997, and February 29, 1996, and February 28,
1995, the Trust paid no brokerage commissions.
Although investment decisions for the Trust are made independently from
those of the other accounts managed by the adviser, investments of the type
the Trust may make may also be made by those other accounts. When the Trust
and one or more other accounts managed by the adviser are prepared to
invest in, or desire to dispose of, the same security, available
investments or opportunities for sales will be allocated in a manner
believed by the adviser to be equitable to each. In some cases, this
procedure may adversely affect the price paid or received by the Trust or
the size of the position obtained or disposed of by the Trust. In other


cases, however, it is believed that coordination and the ability to
participate in volume transactions will be to the benefit of the Trust.
OTHER SERVICES

Affiliates of the adviser may, from time to time, provide certain
electronic equipment and software to institutional customers in order to
facilitate the purchase of shares of funds by Federated Securities Corp.


TRUST ADMINISTRATION

Federated Services Company, a subsidiary of Federated Investors, provides
administrative personnel and services to the Trust for a fee as described
in the prospectus. From March 1, 1994, to March 1, 1996, Federated
Administrative Services served as the Trust's Administrator. Prior to March
1, 1994, Federated Administrative Services, Inc. served as the Trust's
Administrator. Both former Administrators are subsidiaries of Federated
Investors. For purposes of this Statement of Additional Information,
Federated Services Company, Federated Administrative Services and Federated
Administrative Services, Inc. may hereinafter collectively be referred to
as the "Administrators." For the fiscal years ended February 28, 1997,
February 29, 1996, and February 28, 1995, the Administrators earned
$551,185, $549,195, and $654,725, respectively.
CUSTODIAN AND PORTFOLIO ACCOUNTANT
State Street Bank and Trust Company, Boston, MA, is custodian for the
securities and cash of the Trust. Federated Services Company, Pittsburgh,
PA, provides certain accounting and recordkeeping services with respect to
the Trust's portfolio investments. The fee paid for this service is based


upon the level of the Trust's average net assets for the period plus out-
of-pocket expenses.
TRANSFER AGENT
Federated Services Company, through its registered transfer agent,
Federated Shareholder Services Company, maintains all necessary shareholder
records. For its services, the transfer agent receives a fee based on the
number of shareholder accounts.
INDEPENDENT AUDITORS
The independent auditors for the Trust are Ernst & Young LLP, Pittsburgh,
PA.
PURCHASING SHARES
Shares are sold at their net asset value without a sales charge on days the
New York Stock Exchange is open for business. The procedure for purchasing
Shares is explained in the respective prospectus under "Investing in
Institutional Shares" or "Investing in Institutional Service Shares."
DISTRIBUTION PLAN (INSTITUTIONAL SERVICE SHARES ONLY) AND SHAREHOLDER
SERVICES
As explained in the respective prospectuses, with respect to Shares of the
Trust, the Trust has adopted a Shareholder Services Agreement, and, with
respect to Institutional Service Shares the Trust has adopted a
Distribution Plan.
These arrangements permit the payment of fees to financial institutions,
the distributor, and Federated Shareholder Services to stimulate
distribution activities and to cause services to be provided to
shareholders by a representative who has knowledge of the shareholder's
particular circumstances and goals. These activities and services may
include, but are not limited to, marketing efforts; providing office space,
equipment, telephone facilities, and various clerical, supervisory,


computer, and other personnel as necessary or beneficial to establish and
maintain shareholder accounts and records; processing purchase and
redemption transactions and automatic investments of client account cash
balances; answering routine client inquiries; and assisting clients in
changing dividend options, account designations, and addresses.
By adopting the Distribution Plan, the Trustees expect that the Trust will
be able to achieve a more predictable flow of cash for investment purposes
and to meet redemptions. This will facilitate more efficient portfolio
management and assist the Trust in pursuing its investment objectives. By
identifying potential investors whose needs are served by the Trust's
objectives, and properly servicing these accounts, it may be possible to
curb sharp fluctuations in rates of redemptions and sales.
Other benefits, which may be realized under either arrangement, may
include: (1) providing personal services to shareholders; (2) investing
shareholder assets with a minimum of delay and administrative detail; (3)
enhancing shareholder recordkeeping systems; and (4) responding promptly to
shareholders' requests and inquiries concerning their accounts.
For the fiscal year ended February 28, 1997, payments in the amount of
$66,385 were made pursuant to the Distribution Plan (Institutional Service
Shares only), of which $63,730, was waived. In addition, for the period
ended February 28, 1997, payments in the amount of $1,757,013 and $66,385
for the Institutional Shares and Institutional Service Shares,
respectively, were made pursuant to the Shareholder Services Agreement of
which $1,757,013 and $2,655, respectively, were waived.
CONVERSION TO FEDERAL FUNDS
It is the Trust's policy to be as fully invested as possible so that
maximum interest may be earned. To this end, all payments from shareholders
must be in federal funds or be converted into federal funds. State Street


Bank acts as the shareholder's agent in depositing checks and converting
them to federal funds.
DETERMINING NET ASSET VALUE

Net asset value generally changes each day. The days on which net asset
value is calculated by the Trust are described in the respective
prospectuses. Net asset value will not be calculated on the following
holidays: New Year's Day, Presidents' Day, Good Friday, Memorial Day,
Independence Day, Labor Day, Thanksgiving Day, and Christmas Day.
DETERMINING MARKET VALUE OF SECURITIES
Market values of the Trust's portfolio securities are determined as
follows:
     oaccording to the mean between the over-the-counter bid and asked
      prices provided by an independent pricing service, if available, or
      at fair value as determined in good faith by the Trust's Board of
      Trustees; or
     ofor short-term obligations with remaining maturities of less than 60
      days at the time of purchase, at amortized cost unless the Board of
      Trustees determines that particular circumstances of the security
      indicate otherwise.
Prices provided by independent pricing services may be determined without
relying exclusively on quoted prices. Pricing services may consider:
     oyield;
     oquality;
     ocoupon rate;
     omaturity;
     otype of issue;
     otrading characteristics; and
     oother market data.


REDEEMING SHARES

The Trust redeems Shares at the next computed net asset value after the
Trust receives the redemption request. Redemption procedures are explained
in the respective prospectuses under "Redeeming Institutional Shares" and
"Redeeming Institutional Service Shares." Although State Street Bank does
not charge for telephone redemptions, it reserves the right to charge a fee
for the cost of wire-transferred redemptions of less than $5,000.
REDEMPTION IN KIND
The Trust is obligated to redeem Shares solely in cash up to $250,000 or 1%
of the respective class net asset value, whichever is less, for any one
shareholder within a 90-day period.
Any redemption beyond this amount will also be in cash unless the Trustees
determine that further cash payments will have a material adverse effect on
remaining shareholders. In such a case, the Trust will pay all or a portion
of the remainder of the redemption in portfolio instruments, valued in the
same way as the Trust determines net asset value. The portfolio instruments
will be selected in a manner that the Trustees deem fair and equitable.
Redemption in kind is not as liquid as a cash redemption. If redemption is
made in kind, shareholders receiving their securities and selling them
before their maturity could receive less than the redemption value of their
securities and could incur certain transaction costs.

MASSACHUSETTS PARTNERSHIP LAW

Under certain circumstances, shareholders may be held personally liable as
partners under Massachusetts law for obligations of the Trust. To protect
its shareholders, the Trust has filed legal documents with Massachusetts
that expressly disclaim the liability of its shareholders for acts or


obligations of the Trust. These documents require notice of this disclaimer
to be given in each agreement, obligation, or instrument the Trust or its
Trustees enter into or sign.
In the unlikely event a shareholder is held personally liable for the
Trust's obligations, the Trust is required by the Declaration of Trust to
use its property to protect or compensate the shareholder. On request, the
Trust will defend any claim made and pay any judgment against a shareholder
for any act or obligation of the Trust. Therefore, financial loss resulting
from liability as a shareholder will occur only if the Trust itself cannot
meet its obligations to indemnify shareholders and pay judgments against
them.
TAX STATUS

THE TRUST'S TAX STATUS
The Trust will pay no federal income tax because it expects to meet the
requirements of Subchapter M of the Internal Revenue Code applicable to
regulated investment companies and to receive the special tax treatment
afforded to such companies. To qualify for this treatment, the Trust must,
among other requirements:
     oderive at least 90% of its gross income from dividends, interest,
      and gains from the sale of securities;
     oderive less than 30% of its gross income from the sale of securities
      held less than three months;
     oinvest in securities within certain statutory limits; and
     odistribute to its shareholders at least 90% of its net income earned
      during the year.
SHAREHOLDERS' TAX STATUS
Shareholders are subject to federal income tax on dividends and capital
gains received as cash or additional Shares. No portion of any income


dividend paid by the Trust is eligible for the dividends received deduction
available to corporations. These dividends, and any short-term capital
gains, are taxable as ordinary income.
   CAPITAL GAINS
     Long-term capital gains distributed to shareholders will be treated as
     long-term capital gains regardless of how long shareholders have held
     Shares.
TOTAL RETURN

The Trust's average annual total return for Institutional Shares for the
one-year, five-year and ten-year periods ended February 28, 1997, were
4.78%,4.97%, and 6.47%, respectively. The Trust's average annual total
return for Institutional Service Shares for the period from May 30, 1992
(start of performance of Institutional Service Shares), through February
28, 1997, and for the year ended February 28, 1997, were 4.63% and 4.52%,
respectively.
YIELD

The Trust's yield for the thirty day period ended February 28, 1997, was
5.35% and 5.10% for Institutional Shares and Institutional Service Shares,
respectively.
The yield for both classes of shares of the Trust is determined by dividing
the net investment income per share (as defined by the Securities and
Exchange Commission) earned by either class of Shares over a thirty-day
period by the maximum offering price per share of either class on the last
day of the period. This value is annualized using semi-annual compounding.
This means that the amount of income generated during the thirty-day period
is assumed to be generated each month over a twelve month period and is
reinvested every six months. The yield does not necessarily reflect income


actually earned by the Trust because of certain adjustments required by the
Securities and Exchange Commission and, therefore, may not correlate to the
dividends or other distributions paid to shareholders.
To the extent that financial institutions and broker/dealers charge fees in
connection with services provided in conjunction with an investment in
either class of shares, performance will be reduced for those shareholders
paying those fees.
PERFORMANCE COMPARISONS

The performance of both classes of shares depends upon such variables as:
     oportfolio quality;
     oaverage portfolio maturity;
     otype of instruments in which the portfolio is invested;
     ochanges in interest rates and market value of portfolio securities;
     ochanges in the Trust's expenses or either class of Share's expenses;
      and
     ovarious other factors.
Either class of Shares' performance fluctuates on a daily basis largely
because net earnings and offering price per Share fluctuate daily. Both net
earnings and net asset value per share are factors in the computation of
yield and total return.
Investors may use financial publications and/or indices to obtain a more
complete view of the Trust's performance. When comparing performance,
investors should consider all relevant factors such as the composition of
any index used, prevailing market conditions, portfolio compositions of
other funds and methods used to value portfolio securities and compute
offering price. The financial publications and/or indices which the Trust
uses in advertising may include:


     oLIPPER ANALYTICAL SERVICES, INC. ranks funds in various categories
      by making comparative calculations using total return. Total return
      assumes the reinvestment of all capital gains distributions and
      income dividends and takes into account any change in net asset
      value over a specific period of time. From time to time, the Trust
      will quote its Lipper ranking in the "U.S. government funds"
      category in advertising and sales literature.
     oMERRILL LYNCH 1-3 YEAR TREASURY INDEX is an unmanaged index tracking
      short-term U.S. government securities with maturities between 1 and
      2.99 years. The index is produced by Merrill Lynch, Pierce, Fenner &
      Smith, Inc.
     oLEHMAN BROTHERS INTERMEDIATE GOVERNMENT INDEX is an unmanaged index
      comprised of all publicly issued, non-convertible domestic debt of
      the U.S. government or any agency thereof, or any quasi-federal
      corporation and of corporate debt guaranteed by the U.S. government.
      Only notes and bonds with minimum outstanding principal of $1
      million and minimum maturity of one year and maximum maturity of ten
      years are included.
     oMERRILL LYNCH 2-YEAR TREASURY CURVE INDEX is comprised of the most
      recently issued 2-year U.S. Treasury notes. Index returns are
      calculated as total returns for periods of one, three, six, and
      twelve months as well as year-to-date.
     oMERRILL LYNCH U.S. TREASURY SHORT TERM INDEX (1-2.99 YEARS) is an
      unmanaged index tracking short-term U.S. government securities with
      maturities between 1 and 2.99 years. The index is produced by
      Merrill Lynch, Pierce, Fenner & Smith, Inc.
     o2-YEAR TREASURY NOTE--Source: Wall Street Journal, Bloomberg
      Financial Markets, and Telerate.


     oMORNINGSTAR, INC., an independent rating service, is the publisher
      of the bi-weekly Mutual Fund Values. Mutual Fund Values rates more
      than 1,000 NASDAQ-listed mutual funds of all types, according to
      their risk-adjusted returns. The maximum rating is five stars, and
      ratings are effective for two weeks.
Advertisements and other sales literature for both classes of shares may
quote total returns which are calculated on non-standardized base periods.
These total returns also represent the historic change in the value of an
investment in either class of shares based on monthly reinvestment of
dividends over a specified period of time.


DURATION
Duration is a commonly used measure of the potential volatility in the
price of a bond, or other fixed income security, or in a portfolio of fixed
income securities, prior to maturity. Volatility is the magnitude of the
change in the price of a bond relative to a given change in the market rate
of interest. A bond's price volatility depends on three primary variables:
the bond's coupon rate; maturity date; and the level of market yields of
similar fixed income securities. Generally, bonds with lower coupons or
longer maturities will be more volatile than bonds with higher coupons or
shorter maturities. Duration combines these variables into a single
measure.
Duration is calculated by dividing the sum of the time-weighted values of
the cash flows of a bond or bonds, including interest and principal
payments, by the sum of the present values of the cash flows.
When the Trust invests in mortgage pass-through securities, its duration
will be calculated in a manner which requires assumptions to be made


regarding future principal prepayments. A more complete description of this
calculation is available upon request from the Trust.
ABOUT FEDERATED INVESTORS
Federated Investors is dedicated to meeting investor needs which is
reflected in its investment decision making-structured, straightforward,
and consistent. This has resulted in a history of competitive performance
with a range of competitive investment products that have gained the
confidence of thousands of clients and their customers.
The company's disciplined security selection process is firmly rooted in
sound methodologies backed by fundamental and technical research.
Investment decisions are made and executed by teams of portfolio managers,
analysts, and traders dedicated to specific market sectors. These traders
handle trillions of dollars in annual trading volume.
In the corporate bond sector, as of December 31, 1996, Federated Investors
managed 12 money market funds and 17 bond funds with assets approximating
$17.2 billion and $4.0  billion, respectively. Federated's corporate bond
decision making--based on intensive, diligent credit analysis--is backed by
over 21 years of experience in the corporate bond sector. In 1972,
Federated introduced one of the first high-yield bond funds in the
industry. In 1983, Federated was one of the first fund managers to
participate in the asset-backed securities market, a market totaling more
than $200 billion.
J. Thomas Madden, Executive Vice President, oversees Federated Investors'
equity and high yield corporate bond management while William D. Dawson,
Executive Vice President, oversees Federated Investors' domestic fixed
income management. Henry A. Frantzen, Executive Vice President, oversees
the management of Federated Investors' international and global portfolios.


MUTUAL FUND MARKET
Thirty-seven percent of American households are pursuing their financial
goals through mutual funds. These investors, as well as businesses and
institutions, have entrusted over $3.5 trillion to the more than 6,000
funds available.*
Federated Investors, through its subsidiaries, distributes mutual funds for
a variety of investment applications. Specific markets include:
INSTITUTIONAL CLIENTS
Federated Investors meets the needs of more than 4,000 institutional
clients nationwide by managing and servicing separate accounts and mutual
funds for a variety of applications, including defined benefit and defined
contribution programs, cash management, and asset/liability management.
Institutional clients include corporations, pension funds, tax-exempt
entities, foundations/endowments, insurance companies, and investment and
financial advisors. The marketing effort to these institutional clients is
headed by John B. Fisher, President, Institutional Sales Division.





*Source: Investment Company Institute


BANK MARKETING
Other institutional clients include close relationships with more than
1,600 banks and trust organizations. Virtually all of the trust divisions
of the top 100 bank holding companies use Federated funds in their clients'


portfolios. The marketing effort to trust clients is headed by Mark R.
Gensheimer, Executive Vice President, Bank Marketing & Sales.
BROKER/DEALERS AND BANK BROKER/DEALER SUBSIDIARIES
Federated funds are available to consumers through major brokerage firms
nationwide -- we have over 2,200 broker/dealer and bank broker/dealer
relationships across the country -- supported by more wholesalers than any
other mutual fund distributor. Federated's service to financial
professionals and institutions has earned it high ratings in several
surveys performed by DALBAR, Inc. DALBAR is recognized as the industry
benchmark for service quality measurement. The marketing effort to these
firms is headed by James F. Getz, President Federated Securities Corp.










FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS
- --------------------------------------------------------------------------------
                ANNUAL REPORT FOR FISCAL YEAR ENDED FEBRUARY 28, 1997
      MANAGEMENT DISCUSSION AND ANALYSIS:

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


           Federated U.S. Government Securities Fund: 1-3 Years represents a
      fully-invested participation in those obligations of the U.S. Treasury and
      certain government agencies which have a maximum maturity of 3 1/2 years
      and an average maturity of 1 1/2 to 2 years. During the fund's fiscal year
      ended February 28, 1997, the fund remained fully invested in U.S. Treasury
      securities. The fund has maintained the "AAAf" credit rating issued by
      Standard & Poor's.*

           Fixed income performance during the fund's annual reporting period
      reflected a pickup in economic growth combined with benign inflation, a
      stronger dollar, and unprecedented foreign demand. At the start of the
      fund's fiscal year, market sentiment soured and interest rates increased
      steadily all along the yield curve in response to stronger economic growth
      and heightened inflation fears. The employment report released in early
      March 1996 had one of the largest monthly payroll gains on record of
      705,000. The 2-year Treasury note yield increased from 5.43% at the end of
      February, 1996 to 6.43% in early July, 1996 as the market dramatically
      transitioned from pricing in aggressive easing by the Federal Reserve
      Board (the "Fed") to the possibility of Fed tightening. For the remainder
      of the fund's fiscal year, oscillating market expectations regarding the
      direction of Fed monetary policy was reflected in range-bound trading.
      Although the Fed's monetary policy remained on hold during the entire
      reporting period, the Treasury market followed the trend of selling off in
      response to stronger economic growth and rallying in response to subdued
      inflation. However, since Fed Chairman Greenspan's semi-annual
      Humphrey-Hawkins testimony near the end of February 1997, warned of the
      possibility of a preemptive tightening, the market has focused on stronger
      economic growth rather than benign inflation. The 2-year Treasury note


      yield ended February 28, 1997, at 6.09% and the fund's net total return
      for the year ending February 28, 1997, was 4.78% for Institutional Shares
      and 4.52% for Institutional Service Shares,** compared to 5.61% for the
      Merrill Lynch 1-Year Treasury Index and 4.96% for the Merrill Lynch 2-Year
      Treasury Index.+

           Given the attractive level of real interest rates and the likelihood
      that the economy would not accelerate enough to warrant aggressive
      tightening of monetary policy, the fund's average maturity has been within
      its neutral range.

       * "AAAf" rating means that the fund's portfolio holdings and
         counterparties provide extremely strong protection against losses from
         credit defaults. This rating, however, does not remove market risks.
         Ratings are subject to change.

      ** Performance quoted represents past performance. Investment return and
         principal value will fluctuate, so that an investor's shares, when
         redeemed, may be worth more or less than their original cost.

       + These indices are unmanaged.

FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS
(INSTITUTIONAL SHARES)
- --------------------------------------------------------------------------------
  GROWTH OF $25,000 INVESTED IN FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3
                                     YEARS
                             (INSTITUTIONAL SHARES)



    The graph below illustrates the hypothetical investment of $25,000 in the
Federated U.S. Government Securities Fund: 1-3 Years (Institutional Shares) (the
"Trust") from February 28, 1987 to February 28, 1997 compared to the Merrill
Lynch U.S. Treasury Short-Term Index (1-2.99 years) (MLUSTSTI)+ and the Lipper
Short U.S. Government Funds Average (LSUSGFA).++


SEE APPENDIX A FOR DESCRIPTION OF GRAPHIC


AVERAGE ANNUAL TOTAL RETURN FOR THE PERIOD
                                 ENDED FEBRUARY 28, 1997
        1 Year...................................................... 4.78%
        5 Year...................................................... 4.97%
        10 Year..................................................... 6.47%
        Start of Performance (3/15/84).............................. 7.70%

PAST PERFORMANCE IS NOT PREDICTIVE OF FUTURE PERFORMANCE. YOUR INVESTMENT RETURN
AND PRINCIPAL VALUE WILL FLUCTUATE, SO WHEN SHARES ARE REDEEMED, THEY MAY BE
WORTH MORE OR LESS THAN ORIGINAL COST. MUTUAL FUNDS ARE NOT OBLIGATIONS OF OR
GUARANTEED BY ANY BANK AND ARE NOT FEDERALLY INSURED.

THIS REPORT MUST BE PRECEDED OR ACCOMPANIED BY THE TRUST'S PROSPECTUS DATED
APRIL 30, 1997, AND, TOGETHER WITH FINANCIAL STATEMENTS CONTAINED THEREIN,
CONSTITUTES THE TRUST'S ANNUAL REPORT.


 * The Trust's performance assumes the reinvestment of all dividends and
   distributions. The MLUSTSTI and the LSUSGFA have been adjusted to reflect
   reinvestment of dividends on securities in the index and average.

 + The MLUSTSTI is not adjusted to reflect sales charges, expenses, or other
   fees that the Securities and Exchange Commission requires to be reflected in
   the Trust's performance. The index is unmanaged.

++ The LSUSGFA represents the average of the total returns reported by all of
   the mutual funds designated by Lipper Analytical Services, Inc. as falling
   into the category, and is not adjusted to reflect any sales charges. However,
   these total returns are reported net of expenses or other fees that the
   Securities and Exchange Commission requires to be reflected in a fund's
   performance.

FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3 YEARS
(INSTITUTIONAL SERVICE SHARES)
- --------------------------------------------------------------------------------

  GROWTH OF $25,000 INVESTED IN FEDERATED U.S. GOVERNMENT SECURITIES FUND: 1-3
                                     YEARS
                         (INSTITUTIONAL SERVICE SHARES)

    The graph below illustrates the hypothetical investment of $25,000 in the
Federated U.S. Government Securities Fund: 1-3 Years (Institutional Service
Shares) (the "Trust") from May 30, 1992 (start of performance) to February 28,
1997 compared to the Merrill Lynch U.S. Treasury Short-Term Index (1-2.99 years)
(MLUSTSTI)+ and the Lipper Short U.S. Government Funds Average (LSUSGFA).++



SEE APPENDIX B FOR DESCRIPTION OF GRAPHIC


                       AVERAGE ANNUAL TOTAL RETURN FOR THE PERIOD
                                 ENDED FEBRUARY 28, 1997
        1 Year..................................................... 4.52%
        Start of Performance (5/30/92)............................. 4.63%

PAST PERFORMANCE IS NOT PREDICTIVE OF FUTURE PERFORMANCE. YOUR INVESTMENT RETURN
AND PRINCIPAL VALUE WILL FLUCTUATE, SO WHEN SHARES ARE REDEEMED, THEY MAY BE
WORTH MORE OR LESS THAN ORIGINAL COST. MUTUAL FUNDS ARE NOT OBLIGATIONS OF OR
GUARANTEED BY ANY BANK AND ARE NOT FEDERALLY INSURED.

THIS REPORT MUST BE PRECEDED OR ACCOMPANIED BY THE TRUST'S PROSPECTUS DATED
APRIL 30, 1997, AND, TOGETHER WITH FINANCIAL STATEMENTS CONTAINED THEREIN,
CONSTITUTES THE TRUST'S ANNUAL REPORT.

 * The Trust's performance assumes the reinvestment of all dividends and
   distributions. The MLUSTSTI and the LSUSGFA have been adjusted to reflect
   reinvestment of dividends on securities in the index and average.

 + The MLUSTSTI is not adjusted to reflect sales charges, expenses, or other
   fees that the Securities and Exchange Commission requires to be reflected in
   the Trust's performance. The index is unmanaged.

++ The LSUSGFA represents the average of the total returns reported by all of


   the mutual funds designated by Lipper Analytical Services, Inc. as falling
   into the category, and is not adjusted to reflect any sales charges. However,
   these total returns are reported net of expenses or other fees that the
   Securities and Exchange Commission requires to be reflected in a fund's
   performance.

LOGO
       Cusip 31428M100
       Cusip 31428M209
       8032806ARS (4/97)





           FEDERATED U.S. GOVERNMENT SECURITIES FUND:  1-3 Years
                                 APPENDIX


A.   The graphic representation here displayed consists of a line graph.
The corresponding components of the line graph are listed underneath.  The
Institutional Shares of Federated U.S. Government Securities Fund:  1-3
Years ( the "Trust") is represented by a solid line.  Merrill Lynch U.S.
Treasury Short-Term Index is represented by a broken line.  Lipper Short
U.S. Government Funds Average is represented by a broken and dotted line.
The line graph is a visual representation of a comparison of change in
value of a hypothetical investment of $25,000 in the Institutional Shares
of the Trust, Merrill Lynch U.S. Treasury Short-Term Index and Lipper Short


U.S. Government Funds Average for the period from February 28, 1987 to
February 28, 1997.  The "y" axis reflects the cost of investment and is
measured in increments of $5,000 ranging from $20,000 to $55,000.  The "x"
axis reflects computation period from February 28, 1987 to February 28,
1997.  The right margin of the chart reflects the ending value of the
hypothetical investment in Institutional Shares of the Trust as compared to
Merrill Lynch U.S. Treasury Short-Term Index and Lipper Short U.S.
Government Funds Average.  The ending values are $46,780, $49,810 and
$46,830, respectively.

B.   The graphic representation here displayed consists of a line graph.
The corresponding components of the line graph are listed underneath.  The
Institutional Service Shares of Federated U.S. Government Securities Fund:
1-3 Years ( the "Trust") is represented by a solid line.  Merrill Lynch
U.S. Treasury Short-Term Index is represented by a broken line.  Lipper
Short U.S. Government Funds Average is represented by a broken and dotted
line.  The line graph is a visual representation of a comparison of change
in value of a hypothetical investment of $25,000 in the Institutional
Service Shares of the Trust, Merrill Lynch U.S. Treasury Short-Term Index
and Lipper Short U.S. Government Funds Average for the period from May 30,
1992 (start of performance) to February 28, 1997.  The "y" axis reflects
the cost of investment and is measured in increments of $5,000 ranging from
$20,000 to $55,000.  The "x" axis reflects computation period from from May
30, 1992 (start of performance) to February 28, 1997.  The right margin of
the chart reflects the ending value of the hypothetical investment in
Institutional Service Shares of the Trust as compared to Merrill Lynch U.S.
Treasury Short-Term Index and Lipper Short U.S. Government Funds Average.
The ending values are $31,008, $32,410 and $31,387, respectively.



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