INSTITUTIONAL DAILY INCOME FUND
N-30D, 1999-05-28
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INSTITUTIONAL                             600 FIFTH AVENUE, NEW YORK, N.Y. 10020
DAILY INCOME FUND                                                   212-830-5200

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






Dear Shareholder,



We are pleased to present the annual report of  Institutional  Daily Income Fund
for the year ended March 31, 1999.

The  Fund's  Money  Market  Portfolio  had 88  shareholders  and net  assets  of
$503,377,109  as  of  March  31,  1999.  The  U.S.  Treasury  Portfolio  had  37
shareholders and net assets of $800,990,253 as of March 31, 1999.

We thank you for your support and look forward to  continuing to serve your cash
management needs.



Sincerely,




\s\Steven W. Duff



Steven W. Duff
President






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INSTITUTIONAL DAILY INCOME FUND
MONEY MARKET PORTFOLIO
STATEMENT OF NET ASSETS
MARCH 31, 1999
================================================================================
<TABLE>
<CAPTION>

      Face                                                                      Maturity                         Value
     Amount                                                                       Date            Yield        (Note 1)
     ------                                                                       ----            -----         ------
Commercial Paper (24.72%)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                            <C>               <C>      <C>
 $   20,000,000  Asset Securitization Corporation                               05/14/99          4.88%    $   19,884,139
     15,000,000  Bank of America Corporation                                    05/18/99          5.08         14,903,063
     20,000,000  Enterprise Funding Corporation                                 04/15/99          4.91         19,961,967
     10,000,000  Receivables Capital Corporation                                04/12/99          4.88          9,985,119
     20,000,000  Sigma Finance Corporation                                      04/16/99          4.89         19,959,750
     20,000,000  Special Purpose Accounts Receivable Co-Operation               06/08/99          4.94         19,815,644
     20,000,000  Spice Trust 1                                                  04/27/99          4.94         19,928,644
 --------------                                                                                             -------------
    125,000,000  Total Commercial Paper                                                                       124,438,326
 --------------                                                                                             -------------
<CAPTION>
Letter of Credit Commercial Paper (16.36%)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                            <C>               <C>      <C>
 $   10,000,000  Banca Serfin S.A.
                 LOC Barclays Bank                                              08/26/99          5.40%    $    9,790,525
     15,000,000  Banco Bozano Simonsen, S.A.
                 LOC Banco Santander                                           06/18/99          5.81         14,821,250
     20,000,000  Banco de Galicia Y Buenos Aires S.A.
                 LOC Bayerische HypoVereinsbank, A.G.                           05/20/99          4.91         19,867,972
     20,000,000  Dixie Overseas, Ltd.
                 LOC Credit Agricole                                            04/23/99          4.91         19,940,234
     18,000,000  Louis Dreyfus Corporation
                 LOC ABN AMRO Bank                                              04/19/99          4.90         17,956,080
 --------------                                                                                             -------------
     83,000,000  Total Letter of Credit Commercial Paper                                                       82,376,061
 --------------                                                                                             -------------

<CAPTION>
Loan Participation (1.99%)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                            <C>               <C>      <C>
 $   10,000,000  Equitable Life Assurance Society                               03/20/00          5.05%    $   10,000,000
 --------------                                                                                             -------------
     10,000,000  Total Loan Participation                                                                      10,000,000
 --------------                                                                                             -------------

<CAPTION>
Master Notes (1.99%)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                            <C>               <C>      <C>
 $    5,000,000  The Goldman Sachs Group L.P.                                   10/19/99          4.87%    $    5,000,000
      5,000,000  The Goldman Sachs Group L.P.                                   04/11/00          5.03          5,000,000
 --------------                                                                                             -------------
     10,000,000  Total Master Notes                                                                            10,000,000
 --------------                                                                                             -------------
<CAPTION>
Medium Term Notes (3.88%)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                            <C>               <C>      <C>
 $    4,545,772  Structured Enhanced Return Trust  STEERS 1998 - Series A-42
                 MBIA Insured                                                   08/25/99          4.96%    $    4,545,773
     15,000,000  Structured Enhanced Return Trust  STEERS 1998 - Series A-40
                 MBIA Insured                                                   01/18/00          5.04         15,000,000
 --------------                                                                                             -------------
     19,545,772  Total Medium Term Notes                                                                       19,545,773
 --------------                                                                                             -------------

<CAPTION>
Other Notes (24.53%)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                            <C>               <C>      <C>
 $    4,000,000  Alpine Capital Investments L.L.C.
                 LOC First of America                                           09/15/27 (a)      4.95%    $    4,000,000
     13,400,000  Anaheim, CA
                 LOC Credit Suisse First Boston                                 06/01/99 (b)      5.03         13,400,000
</TABLE>
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                      See Notes to Financial Statements.

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================================================================================
<TABLE>
<CAPTION>

      Face                                                                         Maturity                         Value
     Amount                                                                          Date            Yield        (Note 1)
     ------                                                                          ----            -----         ------
Other Notes (Continued)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                               <C>                <C>      <C>
 $      856,000  Antonio Sofo & Son Importing Co.
                 LOC PNC Bank, N.A.                                                12/31/09 (a)       5.01%    $      856,000
      1,705,000  Bardstown, KY IDRB (R & J Tower Corporation Project)
                 LOC Comerica Bank                                                 06/01/24 (a)       4.95          1,705,000
        920,000  City of Colorado Springs Adjustable Rate Taxable/Convertible Bonds
                 (Goodwill Industries) - Series 1997B
                 LOC Bank One Ohio                                                 02/01/07 (a)       4.97            920,000
      1,100,000  Crystal Enterprises Inc.
                 LOC Old Kent Bank & Trust Co.                                     06/01/28 (a)       4.95          1,100,000
      3,600,000  Dekalb County, GA (Emory University Project)                      04/28/99 (b)       4.85          3,600,000
      3,085,000  Delta Capital L.L.C.
                 LOC First Michigan Bank                                           10/01/16 (a)       4.95          3,085,000
        830,000  Delta Capital L.L.C. - Series A
                 LOC First Michigan Bank                                           01/01/26 (a)       4.95            830,000
      1,960,000  Dickenson Press, Inc. - Series 1997
                 LOC First Michigan Bank                                           01/01/27 (a)       4.95          1,960,000
      6,000,000  Douglas County, GA Development Authority
                 (Abrams Riverside, LLC Project)
                 LOC Bank of America                                               11/01/18 (a)       5.05          6,000,000
      1,325,000  GCG Portage L.L.C.
                 LOC Old Kent Bank & Trust Co.                                     02/01/26 (a)       4.95          1,325,000
        965,000  Hendricks County (Heartland Crossing)
                 LOC Bank One Ohio                                                 01/01/22 (a)       5.11            965,000
      2,150,000  Hunter's Square, Inc. Project - Series 1998
                 LOC National City Bank                                            10/01/16 (a)       4.95          2,150,000
     10,000,000  John Hancock Mutual Life Insurance Company                        08/19/00 (a)       5.77         10,000,000
        925,000  LRV Enterprises, L.L.C.
                 LOC First of America                                              09/01/21 (a)       4.95            925,000
      8,000,000  Long Lane Master Trust III
                 LOC BankBoston                                                    04/30/99 (b)       4.97          8,000,000
      3,300,000  Mayfair Village Retirement Center, Inc., KY
                 (Variable Rate Term Notes) - Series 1995
                 LOC PNC Bank, N.A.                                                05/01/00 (a)       4.92          3,300,000
      5,855,000  Medic Funding Corporation
                 Guaranteed by Federal Home Loan Bank                              05/01/27 (a)       4.97          5,855,000
      3,650,000  Mississippi Business Finance Corporation IDRB
                 (ABTCO, Inc. Project) - Series 1997B
                 LOC First Union National Bank                                     04/01/22 (a)       5.00          3,650,000
      1,655,000  Mississippi Business Finance Corporation IDRB
                 (ABTCO, Inc. Project) - Series 1997B
                 LOC National Bank of Detroit                                      06/01/10 (a)       5.05          1,655,000
</TABLE>
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                      See Notes to Financial Statements.

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INSTITUTIONAL DAILY INCOME FUND
MONEY MARKET PORTFOLIO
STATEMENT OF NET ASSETS (CONTINUED)
MARCH 31, 1999
================================================================================
<TABLE>
<CAPTION>

      Face                                                                      Maturity                         Value
     Amount                                                                       Date            Yield        (Note 1)
     ------                                                                       ----            -----         ------
Other Notes (Continued)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                            <C>               <C>      <C>
 $   14,000,000  New York City, NY GO Bonds
                 FGIC Insured                                                   05/21/99          4.98%    $   14,000,000
      1,400,000  Pennsylvania EDFA Taxable Development RB
                 (C & D Charter Power System) - Series 1989 B2
                 LOC PNC Bank, N.A.                                             12/01/00 (a)       5.00         1,400,000
        800,000  Pennsylvania EDFA (Oglevee Limited Project)
                 LOC PNC Bank, N.A.                                             08/01/02 (a)       5.00           800,000
        800,000  Pennsylvania EDFA
                 (Philadelphia Business & Technical Center Project) - Series A1
                 LOC PNC Bank, N.A.                                             04/01/04 (a)       5.00           800,000
        800,000  Pennsylvania EDFA Taxable Development RB
                 (Quality Foods L.P. Project) - Series 1995D
                 LOC PNC Bank, N.A.                                             12/01/14 (a)       5.00           800,000
        850,000  Pennsylvania EDFA Taxable Development RB
                 (Southpointe Rink Association Project) - Series 1994D7
                 LOC PNC Bank, N.A.                                             12/01/09 (a)       5.00           850,000
      2,500,000  Pennsylvania EDFA Taxable Development RB
                 (West 914 Incorporation Project) - Series 1991A
                 LOC PNC Bank, N.A.                                             05/01/21 (a)       5.00         2,500,000
      1,220,000  SDR Capital, L.L.C.
                 LOC First Michigan Bank                                        10/15/01 (a)       4.95         1,220,000
        400,000  State of Tennessee Adjustable Taxable BAN - Series D           07/02/01 (a)       5.05           400,000
     20,000,000  Tennessee School Board Authority                               06/01/99 (a)       4.92        20,000,000
      1,950,000  Trendway Corporation
                 LOC Michigan National Bank                                     12/01/26 (a)       4.95         1,950,000
      2,000,000  Woodlawn, OH (Southland Properties Project)
                 LOC Bank of Montreal/Provident Bank                            06/01/08 (a)       4.95         2,000,000
      1,455,000  Zylstra Funding, Inc.
                 LOC First Michigan Bank                                        06/01/27 (a)       4.95         1,455,000
 --------------                                                                                             -------------
    123,456,000  Total Other Notes                                                                            123,456,000
 --------------                                                                                             -------------
<CAPTION>
Repurchase Agreement, Overnight (26.42%)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                            <C>               <C>      <C>
 $ 133,000,000   Morgan Stanley & Co., Incorporated
                 (Collateralized by GNMA, 6.500% to 10.000%,
                 due 4/15/08 to 3/20/29)                                        04/01/99          4.98%    $  133,000,000
 --------------                                                                                             -------------
    133,000,000  Total Repurchase Agreement, Overnight                                                        133,000,000
 --------------                                                                                             -------------
                 Total Investments (99.89%) (Cost $502,816,160+)                                              502,816,160
                 Cash and Other Assets Net of Liabilities (0.11%)                                                 560,949
                                                                                                            -------------
                 Net Assets (100.00%)                                                                      $  503,377,109
                                                                                                            =============
                 Net Asset Value, offering and redemption price per share:
                 Class A Shares, 282,258,186 shares outstanding (Note 3)                                   $         1.00
                                                                                                            =============
                 Class B Shares, 221,118,923 shares outstanding (Note 3)                                   $         1.00
                                                                                                            =============

                 +     Aggregate cost for federal income tax purposes is identical.
</TABLE>
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                      See Notes to Financial Statements.

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

FOOTNOTES:

(a)  Securities are payable on demand at par including accrued interest (usually
     with seven days notice) and where applicable are unconditionally secured as
     to  principal  and interest by a letter of credit.  The interest  rates are
     adjustable  and are based on market  rates.  The rate  shown is the rate in
     effect at the date of this statement.

(b)  The maturity date indicated for this security is the mandatory put date.



<TABLE>
<CAPTION>

KEY:

    <S>      <C>   <C>                                          <C>       <C>    <C>
     BAN      =     Bond Anticipation Note                       IDRB      =      Industrial Development Revenue Bond
     EDFA     =     Economic Development Finance Authority       LOC       =      Letter of Credit
     FGIC     =     Financial Guaranty Insurance Company         RB        =      Revenue Bond
     GO       =     General Obligation                           STEERS    =      Structured Enhanced Return Trust
</TABLE>




















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                      See Notes to Financial Statements.

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INSTITUTIONAL DAILY INCOME FUND
U.S. TREASURY PORTFOLIO
STATEMENT OF NET ASSETS
MARCH 31, 1999
================================================================================
<TABLE>
<CAPTION>
      Face                                                                      Maturity                         Value
     Amount                                                                       Date            Yield        (Note 1)
     ------                                                                       ----            -----         ------
Repurchase Agreements, Overnight (48.44%)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                            <C>               <C>      <C>
 $  120,000,000  The Goldman Sachs Group L.P. (Collateralized by GNMA,
                 2.863% to 11.000%, due 03/15/08 to 03/15/29)                   04/01/99          5.05%     $ 120,000,000
    125,000,000  Morgan (J.P.) Securities, Inc. (Collateralized by GNMA,
                 6.000% to 6.500%, due 08/15/27 to 01/15/29)                    04/01/99          5.00        125,000,000
    143,000,000  Morgan Stanley & Company, Inc. (Collateralized by GNMA,
                 5.000% to 8.500%, due 02/20/11 to 02/20/29)                    04/01/99          4.98        143,000,000
 --------------                                                                                              ------------
    388,000,000  Total Repurchase Agreements, Overnight                                                       388,000,000
 --------------                                                                                              ------------
<CAPTION>
U.S. Government Obligations (51.27%)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                            <C>               <C>      <C>
 $  175,000,000  U.S. Treasury Bills                                            04/22/99          4.66%     $ 174,525,313
     20,000,000  U.S. Treasury Notes, 6.37%                                     04/30/99          5.37         20,012,369
     25,000,000  U.S. Treasury Notes, 6.25%                                     05/31/99          4.35         25,070,112
     40,000,000  U.S. Treasury Notes, 6.00%                                     06/30/99          4.73         40,109,060
     20,000,000  U.S. Treasury Notes, 6.37%                                     07/15/99          4.94         20,072,001
     35,000,000  U.S. Treasury Notes, 5.87%                                     07/31/99          4.16         35,185,775
     10,000,000  U.S. Treasury Notes, 5.87%                                     08/31/99          4.65         10,048,164
     10,000,000  U.S. Treasury Notes, 6.87%                                     08/31/99          4.65         10,080,042
     25,000,000  U.S. Treasury Notes, 7.12%                                     09/30/99          4.65         25,265,429
     30,000,000  U.S. Treasury Notes, 6.00%                                     10/15/99          4.58         30,202,112
     10,000,000  U.S. Treasury Notes, 5.37%                                     01/31/00          4.50         10,059,570
     10,000,000  U.S. Treasury Notes, 5.50%                                     02/29/00          4.54         10,064,396
 --------------                                                                                              ------------
    410,000,000  Total U.S. Government Obligations                                                            410,694,343
 --------------                                                                                              ------------
                 Total Investments (99.71%) (Cost $798,694,343+)                                              798,694,343
                 Cash and Other Assets, Net of Liabilities (0.29%)                                              2,295,910
                                                                                                             ------------
                 Net Assets (100.00%)                                                                       $ 800,990,253
                                                                                                             ============
                 Net Asset Value offering and redemption price per share:
                 Class A Shares, 721,197,539 shares outstanding (Note 3)                                    $        1.00
                                                                                                             ============
                 Class B Shares,  79,792,714 shares outstanding (Note 3)                                    $        1.00
                                                                                                             ============
                 +   Aggregate cost for federal income tax purposes is identical.
</TABLE>








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                      See Notes to Financial Statements.

<PAGE>

- --------------------------------------------------------------------------------
INSTITUTIONAL DAILY INCOME FUND
STATEMENTS OF OPERATIONS
YEAR ENDED MARCH 31, 1999
================================================================================
<TABLE>
<CAPTION>
                                                                     Money Market                U.S. Treasury
                                                                       Portfolio                   Portfolio
                                                                  ------------------          -----------------
<S>                                                              <C>                         <C>
 INVESTMENT INCOME
 Income:
    Interest...................................................   $       21,415,924          $      34,697,358
                                                                  ------------------          -----------------
 Expenses: (Note 2)
    Investment management fee..................................              472,729                    809,496



    Administration fee.........................................              196,971                    337,290
    Shareholder servicing fee (Class A)........................              398,230                  1,577,248
    Custodian expenses.........................................               33,821                     63,299
    Shareholder servicing and related shareholder expenses.....               89,255                    150,397
    Legal, compliance and filing fees..........................               99,333                    174,502
    Audit and accounting.......................................               73,164                     89,322
    Trustees' fees ............................................                6,065                      6,065
    Amortization of organization costs.........................               10,271                   --
    Miscellaneous..............................................               14,946                     23,562
                                                                  ------------------          -----------------
        Total expenses.........................................            1,394,785                  3,231,181
        Less:
         Fees waived (Note 2)..................................   (          208,703)         (         297,555)
         Expenses paid indirectly..............................                  -0-          (           7,824)
                                                                  ------------------          -----------------
                Net expenses...................................            1,186,082                  2,925,802
                                                                  ------------------          -----------------
 Net investment income.........................................           20,229,842                 31,771,556

<CAPTION>
 REALIZED GAIN (LOSS) ON INVESTMENTS
<S>                                                              <C>                         <C>
 Net realized gain (loss) on investments.......................                4,250                     26,250
                                                                  ------------------          -----------------
 Increase in net assets from operations........................   $       20,234,092          $      31,797,806
                                                                  ==================          =================
</TABLE>


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                      See Notes to Financial Statements.

<PAGE>

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INSTITUTIONAL DAILY INCOME FUND
STATEMENTS OF CHANGES IN NET ASSETS
YEARS ENDED MARCH 31, 1999 AND 1998
================================================================================
<TABLE>
<CAPTION>

                                                   Money Market Portfolio                      U.S. Treasury Portfolio
                                            -----------------------------------           ------------------------------
                                                1999                  1998                    1999              1998
                                            -------------         -------------           -------------    -------------

INCREASE (DECREASE) IN NET ASSETS
<S>                                        <C>                   <C>                     <C>              <C>
 Operations:
   Net investment income................... $  20,229,842         $  15,790,068           $  31,771,556    $  19,993,964
   Net realized gain (loss) on investments.         4,250                 3,299                  26,250           11,744
                                            -------------         -------------           -------------    -------------
   Increase in net assets from operations..    20,234,092            15,793,367              31,797,806       20,005,708
 Dividends to shareholders:
   Net investment income
     Class A............................... (   7,860,183)        (   3,807,170)          (  29,706,735)   (  19,599,207)
     Class B............................... (  12,369,659)        (  11,982,898)          (   2,064,821)   (     394,757)

   Net realized gain on investments
     Class A............................... (       1,686)        (       1,031)          (      25,305)   (      11,553)
     Class B............................... (       2,564)        (       2,268)          (         945)   (         191)
 Capital share transactions (Note 3):
     Class A...............................   173,601,064            70,436,963             253,825,264      157,082,320
     Class B............................... (   6,773,897)           69,367,687              72,960,122    (     966,631)
                                            -------------         -------------           -------------    -------------
     Total increase (decrease).............   166,827,167           139,804,650             326,785,386      156,115,689
 Net assets:
     Beginning of year.....................   336,549,942           196,745,292             474,204,867      318,089,178
                                            -------------         -------------           -------------    -------------
     End of year........................... $ 503,377,109         $ 336,549,942           $ 800,990,253    $ 474,204,867
                                            =============         =============           =============    =============
</TABLE>











- --------------------------------------------------------------------------------
                      See Notes to Financial Statements.

<PAGE>

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

INSTITUTIONAL DAILY INCOME FUND
NOTES TO FINANCIAL STATEMENTS

================================================================================
1. Summary of Accounting Policies.

Institutional Daily Income Fund (the "Fund") is a no-load, diversified, open-end
management  investment  company  registered under the Investment  Company Act of
1940.  The Fund  offers  investors  three  managed  portfolios  of money  market
instruments:  U.S.  Treasury  Portfolio,  Money Market  Portfolio  and Municipal
Portfolio. Presently only the Money Market Portfolio and U.S. Treasury Portfolio
have been activated. Each Portfolio has two classes of stock authorized, Class A
and Class B. The Class A shares of each  Portfolio  are subject to a service fee
pursuant to each  Portfolio's  distribution and service plan. The Class B shares
are not subject to a service  fee.  Additionally,  each  Portfolio  may allocate
among its classes certain expenses, to the extent allowable to specific classes,
including  transfer agent fees,  government  registration fees, certain printing
and  postage  costs,  and  administrative  and legal  expenses.  Class  specific
expenses of the Fund were  limited to  shareholder  servicing  fees and transfer
agent expenses. In all other respects,  the Class A and Class B shares represent
the same  interest  in the  income  and  assets  of each  respective  Portfolio.
Distribution of Class A shares of the Money Market Portfolio  commenced April 6,
1995. All Portfolio shares  outstanding  before April 6, 1995 were designated as
Class B shares.  Distribution of Class B shares of the U.S.  Treasury  Portfolio
commenced  November 18, 1996. All Portfolio shares  outstanding  before November
18, 1996 were designated as Class A shares.

The Funds  financial  statements  are  prepared  in  accordance  with  generally
accepted accounting principles for investment companies as follows.

     a) Valuation of Securities -
     Investments are valued at amortized cost.  Under this valuation  method,  a
     portfolio  instrument  is valued at cost and any  discount  or  premium  is
     amortized on a constant basis to the maturity of the instrument.

     b) Federal Income Taxes -
     It is the policy of each Portfolio to comply with the  requirements  of the
     Internal Revenue Code applicable to regulated  investment  companies and to
     distribute all of its taxable  income to its  shareholders.  Therefore,  no
     provision for federal income tax is required.

     c) Dividends and Distributions -
     Dividends from investment income (including net realized short-term capital
     gains) are declared daily and paid monthly.  Capital gains distributions if
     any,  will be made at least  annually and in no event later than sixty days
     after the end of the Fund's fiscal year.

     d) Use of Estimates -
     The  preparation  of financial  statements  in  conformity  with  generally
     accepted  accounting  principles  requires management to make estimates and
     assumptions  that effect the reported amounts of assets and liabilities and
     disclosure  of  contingent  assets  and  liabilities  at  the  date  of the
     financial statements and the reported amounts of increases and decreases in
     net assets from  operations  during the reporting  period.  Actual  results
     could differ from those estimates.

     e) General -
     Securities transactions are recorded on a trade date basis. Interest income
     is  accrued  as  earned.   Realized   gains  and  losses  from   securities
     transactions  are recorded on the identified  cost basis.  It is the Fund's
     policy to take  possession of securities  as  collateral  under  repurchase
     agreements  and to  determine  on a daily  basis  that  the  value  of such
     securities are sufficient to cover the value of the repurchase agreements.

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

<PAGE>

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

INSTITUTIONAL DAILY INCOME FUND
NOTES TO FINANCIAL STATEMENTS (CONTINUED)

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

2. Investment Management Fees and Other Transactions with Affiliates.
Under the  Investment  Management  Contract,  each  Portfolio pays an investment
management  fee to Reich & Tang Asset  Management,  L.P.  (the  Manager)  at the
annual rate of .12% of the Portfolio's average daily net assets.

Pursuant to an  Administrative  Services  Contract  each  Portfolio  pays to the
Manager an annual fee of .05% of the Portfolio's average daily net assets.

Pursuant to a  distribution  and  service  plan  adopted  under  Securities  and
Exchange  Commission Rule 12b-1,  the Fund and Reich & Tang  Distributors,  Inc.
(the Distributor)  have entered into a Distribution  Agreement and a Shareholder
Servicing  Agreement (with respect to the Class A shares of the Fund only).  For
its services under the Shareholder Servicing Agreement, the Distributor receives
from each Portfolio with respect only to the Class A shares, a service fee equal
to .25% per annum of each Portfolio's average daily net assets.

During the year ended March 31, 1999, the Manager  voluntarily waived investment
management fees and administration  fees of $90,521 and $118,182,  respectively,
for the Money Market Portfolio and $126,559 and $170,996,  respectively, for the
U.S. Treasury Portfolio.

Fees are paid to Trustees who are unaffiliated  with the Manager on the basis of
$1,000 per annum plus $250 per meeting attended for each Portfolio.

Included in the Statement of Operations under the caption "Shareholder servicing
and related shareholder expenses" are fees of $78,760 and $135,013 paid to Reich
& Tang Services,  Inc., an affiliate of the Manager,  as servicing agent for the
Fund, for the Money Market Portfolio and U.S Treasury Portfolio, respectively.

Included in the Statements of Operations under the captions "Custodian expenses"
are expense offsets of $7,824 for U.S. Treasury Portfolio.

3. Transactions in Shares of Beneficial Interest.
At March 31, 1999,  an unlimited  number of shares of  beneficial  interest were
authorized  and  capital  paid in for the Money  Market  Portfolio  and the U.S.
Treasury  Portfolio  amounted to $503,377,109  and  $800,990,253,  respectively.
Transactions in shares of beneficial  interest,  all at $1.00 per share, were as
follows:





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<PAGE>

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




================================================================================
<TABLE>
<CAPTION>
3. Transactions in Shares of Beneficial Interest. (Continued)
                                                     Money Market Portfolio
                                          ------------------------------------------
                                          For the Year Ended      For the Year Ended
                                            March 31, 1999          March 31, 1998
                                            --------------          --------------
CLASS A
- -------
<S>                                        <C>                      <C>
 Sold....................................   $1,206,034,402           $  814,098,188
 Issued on reinvestment of dividends.....        7,406,833                3,558,103
 Redeemed................................   (1,039,840,171)          (  747,219,328)
                                            --------------            -------------
 Net increase (decrease).................      173,601,064               70,436,963
                                            ==============            =============

                                          For the Year Ended      For the Year Ended
                                            March 31, 1999          March 31, 1998
                                            --------------          --------------
<CAPTION>
CLASS B
- -------
<S>                                        <C>                      <C>
 Sold....................................   $1,168,818,328           $1,041,115,865
 Issued on reinvestment of dividends.....       12,028,592               11,473,035
 Redeemed................................   (1,187,620,817)          (  983,221,213)
                                            --------------            -------------
 Net increase (decrease).................   (    6,773,897)              69,367,687
                                            ==============            =============

                                                     U.S. Treasury Portfolio
                                           -----------------------------------------
                                           For the Year Ended     For the Year Ended
                                            March 31, 1999          March 31, 1998
                                            --------------          --------------
<CAPTION>
CLASS A
- -------
<S>                                        <C>                      <C>
 Sold....................................   $1,588,809,964           $  967,765,949
 Issued on reinvestment of dividends.....       28,772,982               19,073,209
 Redeemed................................   (1,363,757,682)          (  829,756,838)
                                            --------------            -------------
 Net increase (decrease).................      253,825,264             157,082,320
                                            ==============            =============


                                          For the Year Ended      For the Year Ended
                                            March 31, 1999          March 31, 1998
                                            --------------          --------------
<CAPTION>
CLASS B
- -------
<S>                                        <C>                      <C>
 Sold....................................   $  204,200,988           $   24,810,119
 Issued on reinvestment of dividends.....        1,905,798                  388,146
 Redeemed................................   (  133,146,664)          (   26,164,896)
                                            --------------            -------------
 Net increase (decrease).................       72,960,122           (      966,631)
                                            ==============            =============
</TABLE>



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<PAGE>

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INSTITUTIONAL DAILY INCOME FUND
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
================================================================================
<TABLE>
<CAPTION>

4. Financial Highlights.
                                                                              Money Market Portfolio
                                                  ----------------------------------------------------------------------------
                                                           For the Year Ended March 31,                    April 6, 1995
CLASS A                                           ----------------------------------------------    (Commencement of Sales) to
- -------                                             1999              1998                1997              March 31, 1996
                                                  --------          --------            --------            --------------
<S>                                              <C>               <C>                <C>                   <C>
 Per Share Operating Performance:
 (for a share outstanding throughout the period)
 Net asset value, beginning of period...........  $  1.00           $  1.00            $   1.00              $   1.00
                                                   -------           -------            --------              --------
 Income from investment operations:
   Net investment income........................      .050             0.053               0.050                 0.054
 Less distributions:
   Dividends from net investment income.........  (   .050)         (  0.053)          (   0.050)            (   0.054)
                                                   -------           -------            --------              --------
 Net asset value, end of period.................  $  1.00           $  1.00            $   1.00              $   1.00
                                                   =======           =======            ========              ========
 Total Return...................................     5.12%             5.38%               5.16%                 5.58%*
 Ratios/Supplemental Data
 Net assets, end of period (000)................  $ 282,258         $ 108,657          $   38,220            $      5
 Ratios to average net assets:
   Expenses (net of fees waived and reimbursed)+     0.45%             0.45%               0.42%                 0.41%*
   Net investment income........................     4.93%             5.25%               5.07%                 5.46%*
   Expenses paid indirectly.....................     0.00%             0.00%               0.01%                 0.04%*
   Management and administration fees waived....     0.05%             0.07%               0.09%                 0.13%*
   Expenses reimbursed..........................     0.00%             0.00%               0.00%                 0.03%*

<CAPTION>
                                                                             Money Market Portfolio
                                                  -------------------------------------------------------------------------------
                                                           For the Year Ended March 31,                    April 6, 1994
CLASS B                                           --------------------------------------------------   (Commencement of Sales) to
- -------                                             1999          1998          1997          1996          March 31, 1995
                                                  --------      --------      --------      --------        --------------
<S>                                              <C>           <C>           <C>           <C>                <C>
 Per Share Operating Performance:
 (for a share outstanding throughout the period)
 Net asset value, beginning of period...........  $  1.00       $  1.00       $  1.00       $  1.00            $  1.00
                                                   -------       -------       -------       -------            -------
 Income from investment operations:
   Net investment income........................      .053         0.055         0.053         0.057              0.045
 Less distributions:
   Dividends from net investment income.........  (   .053)     (  0.055)     (  0.053)     (  0.057)          (  0.045)
                                                   -------       -------       -------       -------            -------
 Net asset value, end of period.................  $  1.00       $  1.00       $  1.00       $  1.00            $  1.00
                                                   =======       =======       =======       =======            =======
 Total Return...................................     5.38%         5.64%         5.42%         5.85%              5.16%*
 Ratios/Supplemental Data
 Net assets, end of period (000)................  $ 221,119     $ 227,893     $ 158,525     $ 127,282          $  35,857
 Ratios to average net assets:
   Expenses (net of fees waived and reimbursed)+     0.20%         0.20%         0.17%         0.16%              0.02%*
   Net investment income........................     5.27%         5.50%         5.29%         5.64%              5.14%*
   Expenses paid indirectly.....................     0.00%         0.00%         0.01%         0.04%              0.00%*
   Management and administration fees waived         0.05%         0.07%         0.09%         0.13%              0.13%*
   Expenses reimbursed..........................     0.00%         0.00%         0.00%         0.03%              0.25%*

   *  Annualized
   +  Includes expenses paid indirectly.
</TABLE>

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<PAGE>

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




================================================================================
<TABLE>
<CAPTION>
4. Financial Highlights. (Continued)
                                                                                U.S. Treasury Portfolio
                                                  --------------------------------------------------------------------------------
                                                           For the Year Ended March 31,                    November 29, 1995
CLASS A                                           ----------------------------------------------   (Commencement of Operations) to
- -------                                             1999              1998                1997              March 31, 1996
                                                  --------          --------            --------            --------------
<S>                                              <C>               <C>                 <C>                   <C>
 Per Share Operating Performance:
 (for a share outstanding throughout the period)
 Net asset value, beginning of period..........   $   1.00          $   1.00            $   1.00              $   1.00
                                                   --------          --------            --------              --------
 Income from investment operations:
   Net investment income.......................       0.048             0.051               0.049                 0.017
 Less distributions:
   Dividends from net investment income........   (   0.048)        (   0.051)          (   0.049)            (   0.017)
                                                   --------          --------            --------              --------
 Net asset value, end of period................   $   1.00          $   1.00            $   1.00              $   1.0
                                                   ========          ========            ========              ========
 Total Return..................................       4.86%             5.24%               5.00%                 5.18%*
 Ratios/Supplemental Data
 Net assets, end of period (000)...............   $  721,197        $  467,372          $  310,290             $ 291,747
 Ratios to average net assets:
   Expenses (net of fees waived)+..............       0.45%             0.42%               0.42%                 0.43%*
   Net investment income.......................       4.71%             5.12%               4.89%                 5.07%*
   Expenses paid indirectly....................       0.00%             0.00%               0.01%                 0.00%
   Management and administration fees waive....       0.04%             0.07%               0.05%                 0.08%*

<CAPTION>
                                                                             U.S. Treasury Portfolio
                                                    ---------------------------------------------------------------------------
                                                             For the Year Ended                          November 18, 1996
CLASS B                                             ------------------------------------             (Commencement of Sales) to
- -------                                               1999                       1998                       March 31, 1997
                                                    ---------                 ---------                     --------------
 Per Share Operating Performance:
 (for a share outstanding throughout the period)
<S>                                                <C>                        <C>                            <C>
 Net asset value, beginning of period..........     $   1.00                   $  1.00                        $   1.00
                                                     --------                   -------                        --------
 Income from investment operations:
   Net investment income.......................         0.050                     0.054                           0.019
 Less distributions:
   Dividends from net investment income........     (   0.050)                 (  0.054)                      (   0.019)
                                                     --------                   -------                        --------
 Net asset value, end of period................     $   1.00                   $  1.00                        $   1.00
                                                     ========                   =======                        ========
 Total Return..................................         5.12%                     5.50%                           5.27%*
 Ratios/Supplemental Data
 Net assets, end of period (000)...............     $   79,793                 $   6,833                      $    7,799
 Ratios to average net assets:
   Expenses (net of fees waived)+..............         0.20%                     0.17%                           0.17%*
   Net investment income.......................         4.73%                     5.37%                           5.14%*
   Expenses paid indirectly....................         0.00%                     0.00%                           0.01%*
   Management and administration fees waived...         0.04%                     0.07%                           0.05%*
   *  Annualized
   +  Includes expenses paid indirectly.
</TABLE>

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<PAGE>

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INSTITUTIONAL DAILY INCOME FUND
INDEPENDENT AUDITOR'S REPORT

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





The Board of Trustees and Shareholders
Institutional Daily Income Fund


We have audited the  accompanying  statements  of net assets of the Money Market
Portfolio and the U.S. Treasury Portfolio of Institutional  Daily Income Fund as
of March 31, 1999, and the related  statements of operations,  the statements of
changes in net  assets,  and the  financial  highlights  for each of the periods
indicated in the accompanying  financial statements.  These financial statements
and financial  highlights are the responsibility of the Fund's  management.  Our
responsibility  is to  express  an opinion  on these  financial  statements  and
financial highlights based on our audits.

We  conducted  our  audits  in  accordance  with  generally   accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable  assurance  about  whether the  financial  statements  and  financial
highlights are free of material misstatement.  An audit includes examining, on a
test basis,  evidence  supporting  the amounts and  disclosures in the financial
statements. Our procedures included confirmation of securities owned as of March
31, 1999, by correspondence with the custodian. 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 the
Money Market Portfolio and the U.S.  Treasury  Portfolio of Institutional  Daily
Income Fund as of March 31, 1999, the results of its operations,  the changes in
its net  assets and the  financial  highlights  for the  periods  indicated,  in
conformity with generally accepted accounting principles.



                                             \s\McGladrey & Pullen, LLP


April 30, 1999
New York, New York





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<PAGE>


- ------------------------------------------------------
This report is submitted for the general  information
of  the   shareholders   of  the  Fund.   It  is  not
authorized for distribution to prospective  investors
in the Fund  unless  preceded  or  accompanied  by an
effective  prospectus,   which  includes  information
regarding   the  Fund's   objectives   and  policies,
experience  of  its  management,   marketability   of
shares, and other information.
- ------------------------------------------------------

Institutional Daily Income Fund
    600 Fifth Avenue
    New York, New York 10020

Manager
    Reich & Tang Asset Management L.P.
    600 Fifth Avenue
    New York, New York 10020

Custodian
    Investors Fiduciary Trust Company
    801 Pennsylvania
    Kansas City, Missouri 64105

Transfer Agent &
   Dividend Disbursing Agent
    Reich & Tang Services L.P.
    600 Fifth Avenue
    New York, New York 10020

IDI399AN


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<PAGE>

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INSTITUTIONAL
DAILY
INCOME FUND








                            Annual Report
                            March 31, 1999







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