DREYFUS LIFE & ANNUITY INDEX FUND INC
N-30D, 1996-08-12
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<PAGE>
Dreyfus
Stock
Index Fund
Semi-Annual
Report


June 30, 1996

<PAGE>
Dreyfus Stock Index Fund
- ------------------------------------------------------------------------------
Letter to Shareholders

Dear Shareholder:

    Dreyfus Stock Index Fund completed its latest semi-annual fiscal period
June 30, 1996. For the six months ended June 30, your Fund had registered a
total return of 9.97%.* This compares with a total return of 10.09%** for the
Standard & Poor's 500 Composite Stock Price Index,*** which the Fund is
intended to mirror. The difference is accounted for by the Fund's fees and
expenses, including transaction costs.

THE ECONOMY

    The U.S. economy is rebounding in 1996 following its midcycle growth
slowdown of last year. Yet overall corporate profit growth is slowing this
year. This is the sixth expansion year for this business cycle, and we
believe that it will prove to be a long cycle.
    Economic growth has accelerated since year-end. The first quarter's 2.3%
real Gross Domestic Product growth brought with it a demand rebound that
depleted inventories. Even stronger second quarter growth is apparent, led by
manufacturers' attempts to rebuild inventories. In addition, steady job
creation continues to support growth in consumer incomes and spending. As
yet, there are few indications of economic cooling. Some previously strong
capital goods sectors may now be slowing, but overall economic growth is
broadening to more industries. Despite better economic performance this year
than last, profit growth may have peaked last year.
    Non-oil price inflation has remained tame this year, although surging oil
prices boosted overall inflation temporarily this spring. Nevertheless, signs
of a faster economic pace have reignited fears of higher future inflation,
especially coming from upward pressure on wages as the labor market tightens.
 Thus, bond yields have risen substantially this year. Short-term market
rates are also higher on expectations for Federal Reserve tightening in
coming months. So far, long-term rates have risen much more than short-term
rates, forcing the yield curve to steepen. A steep yield curve is usually
supportive of sustained growth in the real economy.
    As we look forward, the question arises whether the higher interest rates
already in place and those in prospect will effectively cool the economy. At
present, however, any advance signs of an eventual cooling off in the economy
are hard to discern. The preoccupation at present is with the economy's
impressive strength, and the problems such growth could create.

MARKET OVERVIEW

    The broad trend of the stock market was strongly upward during the six
months under review.  However, there were many crosscurrents at work. Not all
stock groups benefited equally. The blue chips in the Dow Jones Industrial
Average enjoyed solid advances for the six months, as did the broader market
as represented by the Nasdaq Composite Index and the Standard & Poor's 500
Composite Stock Price Index. However, as spring turned into summer, the S&P
500 receded from its May high, technology stocks began to lag, and small
capitalization stocks were unable to maintain the very fast growth pace of
earlier months.
    From time to time, unexpected signs of economic strength, particularly
employment and unemployment numbers, jolted the equity markets with the
specter of renewed inflation. Especially in the latter part of the half-year,
concerns over inflation and higher interest rates restrained market
performance in a number of industry categories.

    Profits, always a major element in stock performance, continued strong
for a good part of the period.  However, fear of rising labor costs and
intensified competition at home and abroad have cast some shadows over the
profit outlook. This has been balanced, however, by extremely large sums of
money that continue to be invested in equity mutual funds, much of it from
people planning for their retirement.
    As the half-year ended, broad market averages were still solidly above
where they stood when the year began. This, however, was prior to the
downdraft in stock prices that occurred in mid-July.
    There was considerable variation in performance by various industry
sectors. The total return of sectors in the S&P 500 for the six months ended
June 30 is shown in the following table:


                                                       S&P 500 Total Return
<TABLE>
<CAPTION>
                     Sector                                                            1/1/96-6/30/96
                     ------                                                           ---------------
                     <S>                                                                  <C>
                     Consumer Nondurables.........................................          15.4%
                     Technology...................................................          15.9
                     Capital Goods................................................          14.8
                     Consumer Services............................................          12.9
                     Energy.......................................................          10.4
                     Financial Services...........................................          10.0
                     Consumer Durables............................................           9.6
                     Health Care..................................................           8.2
                     Transportation...............................................           7.9
                     Basic Industries.............................................           7.1
                     Utilities....................................................           0.1
</TABLE>
    We thank you for your confidence in Dreyfus and in this Fund.

                                      Sincerely,

                                      Steven A. Falci, CFA
                                      Portfolio Manager
July 15, 1996
New York, N.Y.

*    Total return includes reinvestment of dividends and any capital gains
paid. The Fund's performance does not reflect the deduction of additional
charges appplicable to separate accounts of participating insurance companies
using the Fund as an underlying investment.

**  SOURCE: LIPPER ANALYTICAL SERVICES, INC. * Reflects the reinvestment of
income dividends and, where applicable, capital gain distributions. The
Standard & Poor's 500 Composite Stock Price Index is a widely accepted
unmanaged index of U.S. stock market performance.

*** The Fund is not sponsored, sold, endorsed or promoted by Standard & Poor's
Corporation.

<PAGE>
Dreyfus Stock Index Fund
- ------------------------------------------------------------------------------
Statement of Investments                             June 30, 1996 (Unaudited)

        Shares    Common Stocks--93.0%                                Value
        ------                                                    ------------
                  Basic Industries--4.8%
        10,000    Air Products & Chemicals.....................   $    577,501
        11,500    Alco Standard................................        520,375
         3,300    Armstrong World Industries...................        190,163
         4,800    Avery Dennison...............................        263,400
         2,700    Ball.........................................         77,625
         4,700    Bemis........................................        164,500
         4,300    Boise Cascade................................        157,487
         2,500    Centex.......................................         77,812
         8,600    Champion International.......................        359,050
        11,500    Crown Cork & Seal............................        517,500
        22,400    Dow Chemical.................................      1,702,400
        50,300    duPont (E.I.) de Nemours.....................      3,979,987
         7,100    Eastman Chemical.............................        432,212
         3,300(a) FMC..........................................        215,325
         7,500    Fluor........................................        490,312
         8,200    Georgia Pacific..............................        582,200
         4,700    Goodrich (B.F.)..............................        175,662
         8,800    Grace (W.R.).................................        623,700
         5,800    Great Lakes Chemical.........................        361,050
         9,700    Hercules.....................................        535,925
        26,800    International Paper..........................        988,250
         7,600    James River..................................        200,450
        25,200    Kimberly-Clark...............................      1,946,700
         9,700    Louisiana Pacific............................        214,612
         4,700    Mead.........................................        243,812
        52,544    Monsanto.....................................      1,707,680
        13,200    Morton International.........................        491,700
         6,000    Nalco Chemical...............................        189,000
        28,600    Occidental Petroleum.........................        707,850
        17,000    PPG Industries...............................        828,750
         2,600    Potlach......................................        101,725
        13,900    Praxair......................................        587,275
         5,900    Rohm & Haas..................................        370,225
         7,700    Sherwin-Williams.............................        358,050
         4,500    Sigma-Aldrich................................        240,750
         8,900    Stone Container..............................        122,375
         5,000    Temple-Inland................................        233,750
         6,200    Union Camp...................................        302,250
        11,900    Union Carbide................................        473,025
         9,100    Westvaco.....................................        271,862
        17,800    Weyerhaeuser.................................        756,500
         5,000    Willamette Industries........................        297,500
                                                                  ------------
                                                                    23,638,277
                                                                  ------------
                  Capital Goods--20.1%
        19,500    AMP..........................................        782,438
        12,000(a) Advanced Micro Devices.......................        163,501
         4,000    Alexander & Alexander Services...............         79,001
        25,400    Allied Signal................................      1,450,976
        10,700(a) Amdahl.......................................        115,026
                  Capital Goods (continued)
        15,900    American Brands..............................   $    721,463
         5,400(a) Andrew.......................................        290,251
        11,100    Apple Computer...............................        233,101
        16,100(a) Applied Materials............................        491,051
         4,100    Autodesk.....................................        122,488
        26,000    Automatic Data Processing....................      1,004,251
        16,900    Bay Networks.................................        435,176
        31,100    Boeing.......................................      2,709,588
         2,600    Briggs & Stratton............................        106,926
        19,100    Browning-Ferris Industries...................        553,901
        17,100(a) CUC International............................        607,050
         6,500(a) Cabletron Systems............................        446,062
         6,500    Case.........................................        312,000
        17,400    Caterpillar..................................      1,178,850
         6,100(a) Ceridian.....................................        308,050
         3,600    Cincinnati Milacron..........................         86,400
        51,000(a) cisco Systems................................      2,887,875
        24,100(a) Compaq Computer..............................      1,186,925
        21,700    Computer Associates
                    International..............................      1,546,125
         5,000(a) Computer Sciences............................        373,750
         9,700    Cooper Industries............................        402,550
         2,700    Crane........................................        110,700
         3,600    Cummins Engine...............................        145,350
        10,400(a) DSC Communications...........................        313,300
         3,500(a) Data General.................................         45,500
        23,600    Deere & Co. .................................        944,000
         7,400    Deluxe.......................................        262,700
        13,700(a) Digital Equipment............................        616,500
        10,200    Dover........................................        470,475
         8,700    Dow Jones & Co. .............................        363,225
        16,300    Dresser Industries...........................        480,850
        15,200    Dun & Bradstreet.............................        950,000
         4,300    EG&G.........................................         91,912
        20,700(a) EMC..........................................        385,537
         7,000    Eaton........................................        410,375
        20,100    Emerson Electric.............................      1,816,537
        20,000    First Data...................................      1,592,500
         3,600    Foster Wheeler...............................        161,550
         5,700    General Dynamics.............................        353,400
      149,200.    General Electric.............................     12,905,800
         4,500    General Signal...............................        170,437
        10,900    Genuine Parts................................        498,675
         3,100    Giddings & Lewis.............................         50,375
         4,600    Grainger (W.W.)..............................        356,500
         9,300    H&R Block....................................        303,412
         4,200    Harnischfeger Industries.....................        139,650
         3,500    Harris.......................................        213,500
        45,800    Hewlett-Packard..............................      4,562,825
        11,400    Honeywell....................................        621,300

<PAGE>
Dreyfus Stock Index Fund
- ------------------------------------------------------------------------------
Statement of Investments (continued)                 June 30, 1996 (Unaudited)

        Shares    Common Stocks (continued)                           Value
        ------                                                    ------------
                  Capital Goods (continued)
        10,700    Illinois Tool Works..........................  $     723,587
         9,800    Ingersoll-Rand...............................        428,750
        48,800    International Business Machines..............      4,831,200
        73,700    Intel........................................      5,412,343
         4,200(a) Intergraph...................................         50,925
         7,100    Interpublic Group Cos........................        332,812
         3,700    Johnson Controls.............................        257,150
        11,500(a) LSI Logic....................................        299,000
        26,400    Laidlaw, Cl. B...............................        267,300
        17,800    Lockheed Martin..............................      1,495,200
         6,700    Mallinckrodt Group...........................        260,462
         6,500    Marsh & McLennan.............................        627,250
         4,900    McDermott International......................        102,287
        19,900    McDonnell Douglas............................        965,150
        18,600    Micron Technology............................        481,275
        53,300(a) Microsoft....................................      6,402,662
        37,500    Minnesota Mining &
                    Manufacturing..............................      2,587,500
        53,100    Motorola.....................................      3,338,662
        12,100(a) National Semiconductor.......................        187,550
         4,300    National Service Industries..................        168,237
        23,100    Northern Telecommunications..................      1,256,062
         5,100    Northrop Grumman.............................        347,437
        32,800(a) Novell.......................................        455,100
         4,500    Ogden........................................         81,562
        58,700(a) Oracle.......................................      2,314,981
         4,600(a) Owens-Corning................................        197,800
        10,301    Pall.........................................        248,511
         6,700    Parker-Hannifin..............................        283,912
         3,900    Perkin-Elmer.................................        188,175
        13,400    Pitney Bowes.................................        639,850
         4,000    Raychem......................................        287,500
        21,500    Raytheon.....................................      1,109,937
        19,500    Rockwell International.......................      1,116,375
         7,100    Ryder System.................................        199,687
         5,200    Safety-Kleen.................................         91,000
         6,900    Scientific-Atlanta...........................        106,950
        10,500    Service Corp. International..................        603,750
         2,100    Shared Medical Systems.......................        134,925
        14,600(a) Silicon Graphics.............................        350,400
         3,600    Snap-On......................................        170,550
         7,900    Stanley Works................................        235,025
        16,400(a) Sun Microsystems.............................        965,550
         2,600    TRINOVA......................................         86,775
         5,900    TRW..........................................        530,262
        10,500(a) Tandem Computers.............................        129,937
         2,900    Tektronix....................................        129,775
         5,000    Teledyne.....................................        180,625
         8,000(a) Tellabs......................................        535,000

                  Capital Goods (continued)
        17,000    Texas Instruments............................  $     847,875
         7,500    Textron......................................        599,062
         3,600    Thomas & Betts...............................        135,000
        15,000(a) 3COM.........................................        686,250
         2,800    Timken.......................................        108,500
        13,700    Tyco International...........................        558,275
        15,400(a) Unisys.......................................        109,725
        10,900    United Technologies..........................      1,253,500
        44,400    WMX Technologies.............................      1,454,100
        37,400    Westinghouse Electric........................        701,250
        29,100    Xerox........................................      1,556,850
                                                                --------------
                                                                    98,138,762
                                                                --------------
                  Consumer Cyclical--12.0%
        22,600    Albertson's..................................        935,076
         6,700    American Greetings, Cl. A....................        183,413
        13,400    American Stores..............................        552,751
         4,500(a) Bally Entertainment..........................        123,751
         7,800    Black & Decker...............................        301,276
         1,546    Brown Group..................................         26,862
         8,800    Brunswick....................................        176,001
         9,300(a) Charming Shoppes.............................         65,682
        33,600    Chrysler.....................................      2,083,201
         8,800    Circuit City Stores..........................        317,901
        21,500    Comcast, Cl. A...............................        397,751
         7,500    Cooper Tire and Rubber.......................        166,876
         9,100    Dana.........................................        282,101
        14,300    Darden Restaurants...........................        153,725
         6,500    Dayton Hudson................................        670,312
        10,200    Dillard Department Stores, Cl. A.............        372,300
        60,900    Disney (Walt)................................      3,829,087
        13,800    Donnelley (R.R.) & Sons......................        481,275
         5,500    Echlin.......................................        208,312
        18,600(a) Federated Department Stores..................        634,725
         4,100    Fleetwood Enterprises........................        127,100
         3,400    Fleming Cos..................................         48,875
       105,500    Ford Motor...................................      3,415,562
         6,800(a) Fruit of the Loom, Cl. A.....................        173,400
        12,600    Gannett......................................        891,450
        25,900    Gap..........................................        832,037
        11,300(a) General Instrument...........................        326,287
        67,800    General Motors...............................      3,551,025
         5,300    Giant Food, Cl. A............................        190,137
        13,900    Goodyear Tire & Rubber.......................        670,675
         3,400    Great Atlantic & Pacific.....................        111,775
         6,400    Harcourt General.............................        320,000
         2,800    Harland (John H.)............................         68,950
         9,200(a) Harrah's Entertainment.......................        259,900
         7,800    Hasbro.......................................        278,850

<PAGE>
Dreyfus Stock Index Fund
- ------------------------------------------------------------------------------
Statement of Investments (continued)                June 30, 1996 (Unaudited)

        Shares    Common Stocks (continued)                           Value
        ------                                                    ------------

                  Consumer Cyclical (continued)
         4,400    Hilton Hotel.................................  $     495,000
        42,900    Home Depot...................................      2,316,600
        10,500    ITT..........................................        695,625
        10,600    ITT Industries...............................        266,325
         3,500    Jostens......................................         69,125
        43,100    K mart.......................................        533,362
         3,400(a) King World Productions.......................        123,675
         4,400    Knight-Ridder................................        319,000
        11,100(a) Kroger.......................................        438,450
        24,300    Limited......................................        522,450
         6,600    Liz Claiborne................................        228,525
         1,800    Longs Drug Stores............................         80,325
        14,500    Lowes........................................        523,812
         2,105    Luby's Cafeterias............................         49,467
        11,500    Marriott International.......................        618,125
        14,400    Masco........................................        435,600
        24,900    Mattel.......................................        712,762
        22,400    May Department Stores........................        980,000
         9,400    Maytag.......................................        196,225
        62,900    McDonald's...................................      2,940,575
         9,000    McGraw-Hill Cos..............................        411,750
         9,400    Melville.....................................        380,700
         3,300    Mercantile Stores............................        193,462
         2,500    Meredith.....................................        104,375
         9,000    Moore........................................        169,875
           733    NACCO Industries, Cl. A......................         40,589
        12,900    NIKE, Cl. B..................................      1,325,475
         6,800(a) Navistar International.......................         67,150
         8,800    New York Times, Cl. A........................        287,100
         7,300    Nordstrom....................................        324,850
         1,800    Outboard Marine..............................         32,625
         3,500    PACCAR.......................................        171,500
        20,200    Penney (J.C.)................................      1,060,500
         5,600    Pep Boys-Manny, Moe & Jack...................        190,400
        17,600(a) Price/Costco.................................        380,600
         6,700    Reebok International.........................        225,287
         7,500    Rite Aid.....................................        223,125
         3,500    Russell......................................         96,687
         4,700(a) Ryan's Family Steak House....................         43,475
        35,200    Sears, Roebuck & Co..........................      1,711,600
         3,700(a) Shoney's.....................................         40,237
         1,800    Springs Industries...........................         90,900
         4,400    Stride Rite..................................         36,300
         6,100    Supervalu....................................        192,150
        16,300    Sysco........................................        558,275
         6,500    TJX Cos......................................        219,375
         5,400    Tandy........................................        255,825
        58,600(a) Tele-Communications, Cl. A...................      1,062,125

                  Consumer Cyclical (continued)
        35,200    Time Warner..................................   $  1,381,600
         9,400    Times Mirror, Cl. A..........................        408,900
        24,500(a) Toys R Us....................................        698,250
         5,500    Tribune......................................        399,437
        42,400    US West Media Group..........................        773,800
         5,700    V.F..........................................        339,862
         3,500(a) Varity.......................................        168,437
        33,201(a) Viacom, Cl. B................................      1,290,688
       205,800    Wal-Mart Stores..............................      5,222,175
        22,100    Walgreen.....................................        740,350
        11,400    Wendy's International........................        212,325
         6,700    Whirlpool....................................        332,487
        13,600    Winn-Dixie Stores............................        481,100
        11,900(a) Woolworth....................................        267,750
                                                                --------------
                                                                    58,386,902
                                                                --------------
            Consumer Staples--12.7%
         2,500    Alberto Culver, Cl. B........................        115,938
        22,700    Anheuser-Busch Cos...........................      1,702,501
        46,701    Archer Daniels Midland.......................        893,157
        12,000    Avon Products................................        541,501
         6,200    Brown-Forman, Cl. B..........................        248,001
        13,100    CPC International............................        943,200
        22,400    Campbell Soup................................      1,579,201
         4,700    Clorox.......................................        416,538
       224,000    Coca-Cola....................................     10,948,000
        13,100    Colgate-Palmolive............................      1,110,225
        21,800    ConAgra......................................        989,175
         3,400    Coors (Adolph), Cl. B........................         60,775
         8,500    Dial.........................................        243,312
        31,000    Eastman Kodak................................      2,410,250
         5,800    Ecolab.......................................        191,400
        14,300    General Mills................................        779,350
        39,900    Gillette.....................................      2,488,762
        33,200    Heinz (H.J.).................................      1,008,450
         6,900    Hershey Foods................................        506,287
        10,000    International Flavors &
                    Fragrances.................................        476,250
       119,600    Johnson & Johnson............................      5,920,200
        19,100    Kellogg......................................      1,399,075
        14,200    Newell.......................................        434,875
       140,600    PepsiCo......................................      4,973,725
        74,500    Philip Morris Cos............................      7,748,000
         7,500    Pioneer Hi-Bred International................        396,562
         4,100    Polaroid.....................................        187,062
        61,500    Procter & Gamble.............................      5,573,437
        12,100    Quaker Oats..................................        412,912
         9,500    Ralston-Purina Group.........................        609,187

<PAGE>
Dreyfus Stock Index Fund
- ------------------------------------------------------------------------------
Statement of Investments (continued)                June 30, 1996 (Unaudited)

        Shares    Common Stocks (continued)                           Value
        ------                                                    ------------
            Consumer Staples (continued)
        13,600    Rubbermaid...................................  $     370,600
        43,400    Sara Lee.....................................      1,405,075
        33,500    Seagram......................................      1,126,437
         5,500    Tupperware...................................        232,375
        18,100    UST..........................................        619,925
        14,400    Unilever, N.V................................      2,089,800
         9,500    Whitman......................................        229,187
        10,400    Wrigley, (Wm) Jr.............................        525,200
                                                                --------------
                                                                    61,905,907
                                                                --------------
                  Energy--9.0%
         8,300    Amerada Hess.................................        445,088
        44,600    Amoco........................................      3,227,926
         5,700    Ashland......................................        225,863
        14,400    Atlantic Richfield...........................      1,706,401
        12,800    Baker Hughes.................................        420,801
        11,400    Burlington Resources.........................        490,201
        58,600    Chevron......................................      3,457,401
         9,500    Coastal......................................        396,625
         4,900    Columbia Gas System..........................        255,412
         8,400    Consolidated Natural Gas.....................        438,900
         1,800    Eastern Enterprises..........................         59,850
        22,500    Enron........................................        919,687
         6,200    Enserch......................................        134,850
       111,500    Exxon........................................      9,686,562
        10,300    Halliburton..................................        571,650
         2,220    Helmerich & Payne............................         81,307
         4,500    Kerr-McGee...................................        273,937
         3,000    Louisiana Land & Exploration.................        172,875
        35,400    Mobil........................................      3,969,225
         4,500    Nicor........................................        127,687
        11,200    Noram Energy.................................        121,800
         2,400    Oneok........................................         60,000
         9,400(a) Oryx Energy..................................        152,750
         7,400    Pacific Enterprises..........................        219,225
        13,500    Panenergy....................................        443,812
         4,200    Pennzoil.....................................        194,250
         3,100    Peoples Energy...............................        103,850
        23,500    Phillips Petroleum...........................        984,062
         7,600(a) Rowan Cos....................................        112,100
        48,100    Royal Dutch Petroleum........................      7,395,375
         8,100(a) Santa Fe Energy Resources....................         96,187
        21,800    Schlumberger.................................      1,836,650
         7,700    Sonat........................................        346,500
         6,600    Sun..........................................        200,475
        15,600    Tenneco......................................        797,550
        23,700    Texaco.......................................      1,987,837
        25,800    USX-Marathon Group...........................        519,225
        22,200    Unocal.......................................        749,250

                  Energy (continued)
         4,800(a) Western Atlas................................ $      279,600
         9,400    Williams Cos.................................        465,300
                                                                --------------
                                                                    44,128,046
                                                                --------------
            Health Care--8.7%
         7,600(a) ALZA.........................................        208,051
        70,500    Abbott Laboratories..........................      3,066,751
         5,800    Allergan.....................................        227,650
        56,800    American Home Products.......................      3,415,100
        23,900(a) Amgen........................................      1,290,600
         5,100    Bard (C.R.)..................................        173,400
         5,100    Bausch & Lomb................................        216,750
        24,600    Baxter International.........................      1,162,350
         5,700    Becton, Dickinson & Co.......................        457,425
         9,000(a) Beverly Enterprises..........................        108,000
        10,400(a) Biomet.......................................        149,500
        16,000(a) Boston Scientific............................        720,000
        45,100    Bristol-Myers Squibb.........................      4,059,000
        40,200    Columbia/HCA Healthcare......................      2,145,675
         4,000(a) Community Psychiatric Centers................         38,000
        20,700    Corning......................................        794,362
        14,600(a) Humana.......................................        260,975
        49,400    Lilly (Eli)..................................      3,211,000
         5,600    Manor Care...................................        220,500
        21,000    Medtronic....................................      1,176,000
       110,200    Merck & Co...................................      7,121,675
         4,000    Millipore....................................        167,500
        57,200    Pfizer.......................................      4,082,650
        45,700    Pharmacia & Upjohn...........................      2,027,937
        33,100    Schering-Plough..............................      2,077,025
         7,100(a) St. Jude Medical.............................        237,850
        19,300(a) Tenet Healthcare.............................        412,537
         5,500    U. S. Surgical...............................        170,500
        13,800    U.S. HealthCare..............................        759,000
        16,400    United Healthcare............................        828,200
        24,300    Warner-Lambert...............................      1,336,500
                                                                --------------
                                                                    42,322,463
                                                                --------------
                  Interest Sensitive--12.5%
        10,300    Aetna Life & Casualty........................        736,451
        10,400    Ahmanson (H.F.) & Co.........................        280,801
        39,900    Allstate.....................................      1,820,438
        43,300    American Express.............................      1,932,263
        18,600    American General.............................        676,576
        42,500    American International Group.................      4,191,563
         9,700    Aon..........................................        492,276
        40,800    Banc One.....................................      1,387,201
        10,100    Bank of Boston...............................        499,950
        17,500    Bank of New York.............................        896,875

<PAGE>
Dreyfus Stock Index Fund
- ------------------------------------------------------------------------------
Statement of Investments (continued)                June 30, 1996 (Unaudited)

        Shares    Common Stocks (continued)                           Value
        ------                                                    ------------

                  Interest Sensitive (continued)
        32,800    BankAmerica..................................   $  2,484,600
         7,100    Bankers Trust New York.......................        524,512
         8,400    Barnett Banks................................        512,400
         4,800    Beneficial...................................        269,400
        14,200    Boatmens Bancshares..........................        569,775
         6,900    CIGNA........................................        813,337
        39,100    Chase Manhattan..............................      2,761,437
        15,800    Chubb........................................        788,025
        43,600    Citicorp.....................................      3,602,450
        10,500    Comerica.....................................        468,562
        19,900    CoreStates Financial.........................        766,150
        15,001    Dean Witter, Discover & Co...................        858,807
        98,000    Federal National Mortgage
                    Association................................      3,283,000
        16,000    Federal Home Loan Mortgage...................      1,368,000
         9,200    Fifth Third Bancorp..........................        496,800
        12,400    First Bank Systems...........................        719,200
        28,400    First Chicago NBD............................      1,111,150
        25,600    First Union..................................      1,558,400
        23,600    Fleet Financial Group........................      1,026,600
         7,300    General Re...................................      1,111,425
         5,300    Golden West Financial........................        296,800
        12,300    Great Western Financial......................        293,662
        12,300    Green Tree Financial.........................        384,375
         8,700    Household International......................        661,200
        10,500    ITT Hartford.................................        559,125
         6,400    Jefferson Pilot..............................        330,400
         3,500    Kaufman & Broad Home.........................         50,750
        20,800    Keycorp......................................        806,000
         9,400    Lincoln National.............................        434,750
        10,600    Loews........................................        836,075
        20,000    MBNA.........................................        570,000
        12,000    Mellon Bank..................................        684,000
        15,400    Merrill Lynch & Co...........................      1,002,925
        16,900    Morgan (J.P.) & Co...........................      1,430,162
        13,700    Morgan Stanley Group.........................        673,012
        19,800    National City................................        695,475
        26,600    NationsBank..................................      2,197,825
        32,800    Norwest......................................      1,143,900
        30,600    PNC Bank.....................................        910,350
         8,400    Providian....................................        360,150
         2,400    Pulte........................................         64,200
         5,000    Republic New York............................        311,250
        11,300    Safeco.......................................        399,737
         9,400    Salomon......................................        413,600
         7,500    St. Paul Cos.................................        401,250
        20,300    SunTrust Banks...............................        751,100
         6,400    Torchmark....................................        280,000
         6,100    Transamerica.................................        494,100

                  Interest Sensitive (continued)
        42,600    Travelers Group..............................   $  1,943,625
         6,600    UNUM.........................................        410,850
        14,300    U.S. Bancorp.................................        516,587
        10,700    USF&G........................................        175,212
         3,100    USLIFE.......................................        101,912
        15,200    Wachovia.....................................        665,000
         8,800    Wells Fargo..................................      2,102,100
                                                                --------------
                                                                    61,359,883
                                                                --------------
                  Mining And Metals--1.4%
         3,800    ASARCO.......................................        104,976
        20,300    Alcan Aluminium..............................        619,151
        15,800    Aluminum Co. of America......................        906,526
         9,600(a) Armco........................................         48,001
        32,100    Barrick Gold.................................        870,713
        10,000(a) Bethlehem Steel..............................        118,751
         8,300    Cyprus Amax Minerals.........................        187,787
        11,700    Echo Bay Mines...............................        125,775
        12,900    Engelhard....................................        296,700
        17,500    Freeport-McMoran Copper, Cl. B...............        557,812
        13,100    Homestake Mining.............................        224,337
        10,500    Inco.........................................        338,625
         4,400    Inland Steel Industries......................         86,350
         8,901    Newmont Mining...............................        439,486
         7,900    Nucor........................................        399,937
         6,000    Phelps Dodge.................................        374,250
        21,500    Placer Dome..................................        513,312
         5,700    Reynolds Metals..............................        297,112
        11,801    Santa Fe Pacific Gold........................        166,689
         7,500    USX-U.S. Steel Group.........................        212,812
         8,100    Worthington Industries.......................        169,087
                                                                --------------
                                                                     7,058,189
                                                                --------------
                  Transportation--1.5%
         8,100(a) AMR..........................................        737,101
        13,600    Burlington Northern..........................      1,099,900
        19,000    CSX..........................................        916,750
         3,500    Caliber System...............................        119,000
         7,400    Conrail......................................        491,175
         3,900    Consolidated Freightways.....................         82,387
         5,500    Delta Air Lines..............................        456,500
         5,100(a) Federal Express..............................        418,200
        11,400    Norfolk Southern.............................        966,150
        13,000    Southwest Airlines...........................        378,625
         5,700(a) USAir Group..................................        102,600
        18,400    Union Pacific................................      1,285,700
         2,500(a) Yellow.......................................         33,125
                                                                --------------
                                                                     7,087,213
                                                                --------------

<PAGE>
Dreyfus Stock Index Fund
- ------------------------------------------------------------------------------
Statement of Investments (continued)                June 30, 1996 (Unaudited)

        Shares    Common Stocks (continued)                           Value
        ------                                                    ------------

            Utilities--10.3%
        17,000    ALLTEL.......................................  $     522,751
       144,200    AT&T.........................................      8,940,401
        44,700(a) Airtouch Communications......................      1,262,776
        16,700    American Electric Power......................        711,837
        49,800    Ameritech....................................      2,956,875
        13,200    Baltimore Gas & Electric.....................        374,550
        39,300    Bell Allantic................................      2,505,375
        89,200    BellSouth....................................      3,779,850
        14,100    CINergy......................................        451,200
        13,600    Carolina Power & Light.......................        516,800
        18,800    Central & Southwest..........................        545,200
        21,100    Consolidated Edison..........................        617,175
        13,000    DTE Energy...................................        401,375
        15,900    Dominion Resources...........................        636,000
        18,400    Duke Power...................................        943,000
        40,000    Edison International.........................        705,000
        20,500    Entergy......................................        581,687
        16,600    FPL Group....................................        763,600
        87,500    GTE..........................................      3,915,625
        10,800    General Public Utilities.....................        380,700
        23,600    Houston Industries...........................        581,150
        62,000    MCI Communications...........................      1,588,750
        39,200    NYNEX........................................      1,862,000
        13,000    Niagara Mohawk Power.........................        100,750
         6,100    Northern States Power........................        301,187
        13,700    Ohio Edison..................................        299,687
        19,900    PECO Energy..................................        517,400
        14,300    PP&L Resources...............................        337,837
        37,400    Pacific Gas & Electric.......................        869,550
        38,400    Pacific Telesis Group........................      1,296,000
        26,300    PacifiCorp...................................        585,175
        22,000    Public Service Enterprise Group..............        602,250
        54,700    SBC Communications...........................      2,693,975
        60,200    Southern.....................................      1,482,425
                   Utilities     (continued)
        39,000    Sprint....................................... $    1,638,000
        20,300    Texas Utilities..............................        867,825
        19,300    UniCom.......................................        537,987
         9,200    Union Electric...............................        370,300
        42,600    US West......................................      1,357,875
        17,400(a) WorldCom.....................................        963,525
                                                                 -------------
                                                                    50,365,425
                                                                 -------------
                  TOTAL COMMON STOCKS
                    (cost $380,143,621)........................ $  454,391,067
                                                                 -------------
                                                                 -------------

  Principal       SHORT-TERM
   Amount            INVESTMENTS--6.3%
  --------
                         U.S. Treasury Bills:
    $20,764,000(b) 5%, 7/5/1996................................  $  20,749,050
      1,713,000    5.10%, 8/22/1996............................      1,700,221
      1,946,000    5.10%, 9/12/1996............................      1,925,606
      6,222,000    5.20%, 9/19/1996............................      6,150,260
                                                                 -------------
                                                                 -------------
                   TOTAL SHORT-TERM
                     INVESTMENTS
                     (cost $30,530,949)........................  $  30,525,137
                                                                 -------------
                                                                 -------------

TOTAL INVESTMENTS
  (cost $410,674,570)..................................   99.3%  $ 484,916,204
                                                        -------  -------------
                                                        -------  -------------
CASH AND RECEIVABLES
  (NET)................................................     .7%  $   3,615,115
                                                        -------  -------------
                                                        -------  -------------
NET ASSETS.............................................  100.0%  $ 488,531,319
                                                        -------  -------------
                                                        -------  -------------


Notes to Statement of Investments:
- ------------------------------------------------------------------------------
(a) Non-income producing.
(b) Partially held by the custodian in a segregated account as collateral for
    open financial futures positions.

Statement of Financial Futures                       June 30, 1996 (Unaudited)
- ------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                        Market Value                        Unrealized
                                                          Number of       Covered                           Appreciation
Financial Futures Purchased;                              Contracts     by Contracts       Expiration        at 6/30/96
- --------------------------------                        ------------   -------------      -------------    --------------
<S>                                                     <C>            <C>               <C>               <C>
Standard & Poor's 500........................                 94         $31,809,600     September 1996        $33,585
                                                                                                             ---------
                                                                                                             ---------
</TABLE>

                    See notes to financial statements.


<PAGE>
Dreyfus Stock Index Fund
- ------------------------------------------------------------------------------
Statement of Assets and Liabilities                  June 30, 1996 (Unaudited)
<TABLE>
<S>                                                                                  <C>             <C>
ASSETS:
    Investments in securities, at value
       (cost $410,674,570)--see statement...................................                            $484,916,204
    Cash....................................................................                               3,016,165
    Dividends receivable....................................................                                 669,133
    Receivable for futures variation margin--Note 3(a)......................                                 200,960
    Prepaid expenses........................................................                                   2,911
                                                                                                      --------------
                                                                                                         488,805,373
LIABILITIES:
    Due to The Dreyfus Corporation and affiliates...........................               $133,806
    Payable for investment securities purchased.............................                 27,340
    Accrued expenses........................................................                112,908          274,054
                                                                                          ---------   --------------
NET ASSETS  ................................................................                            $488,531,319
                                                                                                      --------------
                                                                                                      --------------
REPRESENTED BY:
    Paid-in capital.........................................................                            $405,836,909
    Accumulated distributions in excess of investment income--net...........                                 (57,982)
    Accumulated undistributed net realized gain on investments..............                               8,477,173
    Accumulated net unrealized appreciation on investments (including $33,585
       net unrealized appreciation on financial futures)--Note 3(b).........                              74,275,219
                                                                                                      --------------
NET ASSETS at value applicable to 26,099,315 shares outstanding
    (200 million shares of $.001 par value Common Stock authorized).........                            $488,531,319
                                                                                                      --------------
                                                                                                      --------------
NET ASSET VALUE, per share
    ($488,531,319 / 26,099,315 shares)......................................                                  $18.72
                                                                                                             -------
                                                                                                             -------

</TABLE>
                       See notes to financial statements.


<PAGE>
Dreyfus Stock Index Fund
- ------------------------------------------------------------------------------
Statement of Operations             six months ended June 30, 1996 (Unaudited)
<TABLE>
<S>                                                                                       <C>         <C>
INVESTMENT INCOME:
    Income:
      Cash dividends (net of foreign taxes withheld at source of $33,567)...                $3,970,748
      Interest..............................................................                 1,115,453
                                                                                          ------------
            Total Income....................................................                           $  5,086,201
    Expenses:
      Management fee--Note 2(a).............................................                   475,262
      Registration fees.....................................................                    49,780
      Professional fees.....................................................                    42,095
      Prospectus and shareholders' reports..................................                    19,728
      Directors' fees and expenses--Note 2(c)...............................                    12,779
      Miscellaneous.........................................................                       452
                                                                                          ------------

            Total Expenses..................................................                                600,096
                                                                                                      -------------
            INVESTMENT INCOME--NET...........................................                             4,486,105

REALIZED AND UNREALIZED GAIN ON INVESTMENTS:
    Net realized gain on investments--Note 3(a)..............................                            $1,073,427
    Net realized gain on financial futures--Note 3(a)........................                             2,549,630
                                                                                                       ------------
            Net Realized Gain...............................................                              3,623,057
    Net unrealized appreciation on investments (including $268,400
      net unrealized appreciation on financial futures).....................                             27,932,595
                                                                                                      -------------

            NET REALIZED AND UNREALIZED GAIN ON INVESTMENTS.................                             31,555,652
                                                                                                      -------------
NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS........................                            $36,041,757
                                                                                                      -------------
                                                                                                      -------------
</TABLE>

                    See notes to financial statements.


<PAGE>
Dreyfus Stock Index Fund
- ------------------------------------------------------------------------------
Statement of Changes in Net Assets
<TABLE>
<CAPTION>
                                                                                     Year Ended        Six Months Ended
                                                                                     December 31,      June 30, 1996
                                                                                        1995             (Unaudited)
                                                                                  ----------------    ---------------------
<S>                                                                            <C>                    <C>
OPERATIONS:
    Investment income--net.............................................           $    4,465,773      $    4,486,105
    Net realized gain on investments..................................                 8,075,002           3,623,057
    Net unrealized appreciation on investments for the period.........                43,128,888          27,932,595
                                                                                  --------------      --------------
      Net Increase In Net Assets Resulting From Operations............                55,669,663          36,041,757
                                                                                  --------------      --------------

DIVIDENDS TO SHAREHOLDERS FROM:
    Investment income--net.............................................               (4,476,568)         (4,558,981)
    Net realized gain on investments..................................                (2,357,447)              --
                                                                                  --------------      --------------
      Total Dividends.................................................                (6,834,015)         (4,558,981)
                                                                                  --------------      --------------

CAPITAL STOCK TRANSACTIONS:
    Net proceeds from shares sold.....................................              219,772,239          184,387,608
    Dividends reinvested..............................................                 6,834,015           4,558,983
    Cost of shares redeemed...........................................               (59,561,665)        (44,584,508)
                                                                                  --------------      --------------
      Increase In Net Assets From Capital Stock Transactions..........              167,044,589          144,362,083
                                                                                  --------------      --------------
        Total Increase In Net Assets..................................               215,880,237         175,844,859

NET ASSETS:
    Beginning of period...............................................                96,806,223         312,686,460
                                                                                  --------------      --------------
    End of period [including undistributed investment income--net;
      $14,894 in 1995 and distributions in excess of investment
      income--net; ($57,982) in 1996]..................................             $312,686,460        $488,531,319
                                                                                  --------------      --------------
                                                                                  --------------      --------------

                                                                                       Shares              Shares
                                                                                  --------------      --------------
CAPITAL SHARE TRANSACTIONS:
    Shares sold.......................................................                14,313,682          10,123,540
    Shares issued for dividends reinvested............................                   417,105             247,579
    Shares redeemed...................................................                (4,033,543)         (2,449,164)
                                                                                  --------------      --------------
      Net Increase In Shares Outstanding..............................                10,697,244           7,921,955
                                                                                  --------------      --------------
                                                                                  --------------      --------------
</TABLE>

                     See notes to financial statements.


<PAGE>
Dreyfus Stock Index Fund
- ------------------------------------------------------------------------------
Financial Highlights

    Contained below is per share operating performance data for a share of
Common Stock outstanding, total investment return, ratios to average net
assets and other supplemental data for each period indicated. This
information has been derived from the Fund's financial statements.
<TABLE>
<CAPTION>

                                                                    Four Months          Year Ended              Six Months
                                            Year Ended August 31,      Ended             December 31,              Ended
                                              ------------------     December 31, ---------------------------  June 30, 1996
PER SHARE DATA:                                1991       1992          1992       1993       1994     1995     (Unaudited)
                                              -------    -------       -------    -------    -------  -------    -----------
<S>                                         <C>         <C>             <C>       <C>        <C>       <C>       <C>
    Net asset value, beginning
      of period...................            $11.62      $14.20        $14.87    $15.32      $13.20   $12.94      $17.20
                                              ------      ------        ------    ------      ------   ------      ------
    Investment Operations:
    Investment income--net.........              .39         .37           .13       .37         .32      .33         .19
    Net realized and unrealized
      gain (loss) on investments..              2.60         .68           .77      1.04        (.21)    4.39        1.52
                                              ------      ------        ------    ------      ------   ------      ------
      Total from Investment
          Operations..............              2.99        1.05           .90      1.41         .11     4.72        1.71
                                              ------      ------        ------    ------      ------   ------      ------
    Distributions;
    Dividends from investment
      income--net..................             (.39)       (.38)         (.21)     (.34)       (.31)    (.33)       (.19)
    Dividends in excess of investment
      income--net..................              --           --            --      (.03)         --      --           --
    Dividends from net realized gain
      on investments................            (.02)         --          (.24)    (3.00)         --     (.13)         --
    Dividends in excess of net realized
      gain on investments..........              --           --            --      (.16)       (.06)      --          --
                                              ------      ------        ------    ------       ------   ------      ------
      Total Distributions.........              (.41)       (.38)         (.45)    (3.53)        (.37)    (.46)       (.19)
                                              ------      ------        ------    ------       ------   ------      ------
    Net asset value, end of period            $14.20      $14.87        $15.32    $13.20       $12.94   $17.20      $18.72
                                              ------      ------        ------    ------       ------   ------      ------
                                              ------      ------        ------    ------       ------   ------      ------
TOTAL INVESTMENT RETURN ..........             26.26%       7.49%         6.05%(1)  9.33%         .88%   36.78%       9.97%(1)
RATIOS/SUPPLEMENTAL DATA:
    Ratio of expenses to average
      net assets..................               .40%        .40%          .13%(1)   .40%         .40%     .39%        .15%(1)
    Ratio of net investment income
      to average net assets.......              3.05%       2.63%          .85%(1)  2.38%        2.57%    2.38%       1.12%(1)
    Decrease reflected in above expense
      ratios due to undertakings by
      WFNIA and Dreyfus...........               .11%        .13%          .03%(1)   .27%         .16%     .03%        --
    Portfolio Turnover Rate.......              1.02%       7.66%         6.94%(1) 71.71%        2.82%   11.95%        .90%(1)
    Average commission rate paid(2)              --          --            --        --           --        --      $.0348
    Net Assets, end of period
      (000's Omitted).............           $62,400     $74,446       $70,072   $61,319      $96,806 $312,686    $488,531
<FN>
- --------------
(1) Not annualized.
(2) For fiscal years beginning January 1, 1996, the Fund is required to
disclose its average commission rate paid per share for purchases and sales
of investment securities.
</TABLE>
See notes to financial statements.


<PAGE>
Dreyfus Stock Index Fund
- ------------------------------------------------------------------------------
NOTES TO FINANCIAL STATEMENTS (Unaudited)

NOTE 1--Significant Accounting Policies:

    Dreyfus Stock Index Fund (the "Fund") is registered under the Investment
Company Act of 1940 ("Act") as a non-diversified open-end management
investment company, that is intended to be a funding vehicle for variable
annuity contracts and variable life insurance policies to be offered by the
separate accounts of life insurance companies. The Fund's investment
objective is to provide investment results that correspond to the price and
yield performance of publicly traded common stocks as represented by the
Standard and Poor's 500 Composite Stock Price Index. The Dreyfus Corporation
("Dreyfus") serves as the Fund's manager and Mellon Equity Associates
("Mellon Equity"), an affiliate of Dreyfus serves as the Fund's index
manager. Boston Safe Deposit and Trust Company, an affiliate of Dreyfus, is
the Fund's custodian. Dreyfus is a direct subsidiary of Mellon Bank, N.A.
Premier Mutual Fund Services, Inc. (the "Distributor") acts as the
distributor of the Fund's shares, which are sold without a sales charge.
    (a) Portfolio valuation: Investments in securities (including financial
futures) are valued at the last sales price on the securities exchange on
which such securities are primarily traded or at the last sales price on the
national securities market. Securities not listed on an exchange or the
national securities market, or securities for which there were no
transactions, are valued at the average of the most recent bid and asked
prices. Bid price is used when no asked price is available. Investments
denominated in foreign currencies are translated to U.S. dollars at the
prevailing rates of exchange.
    (b) Securities transactions and investment income: Securities
transactions are recorded on a trade date basis. Realized gain and loss from
securities transactions are recorded on the identified cost basis.  Dividend
income is recognized on the ex-dividend date and interest income, including,
where applicable, amortization of discount on investments, is recognized on
the accrual basis.
    (c) Dividends to shareholders: Dividends are recorded on the ex-dividend
date. Dividends from investment income-net are declared and paid on a
quarterly basis. Dividends from net realized capital gain are normally
declared and paid annually, but the Fund may make distributions on a more
frequent basis to comply with the distribution requirements of the Internal
Revenue Code. This may result in distributions that are in excess of
investment income-net on a fiscal year basis. To the extent that net realized
capital gain can be offset by capital loss carryovers, if any, it is the
policy of the Fund not to distribute such gain.
    (d) Federal income taxes: It is the policy of the Fund to continue to
qualify as a regulated investment company, if such qualification is in the
best interests of its shareholders, by complying with the provisions
available to certain investment companies, as defined in applicable sections
of the Internal Revenue Code, and to make distributions of taxable income
sufficient to relieve it from substantially all Federal income and excise
taxes.

NOTE 2--Management Fee and Other Transactions With Affiliates:

    (a) Pursuant to an Investment Advisory Agreement with Dreyfus, the
investment advisory fee is computed at the annual rate of .245 of 1% of the
value of the Fund's average daily net assets, and is payable monthly. Dreyfus
has agreed to pay Mellon Equity, a monthly fee at the annual rate of .095 of
1% of the value of the Fund's average daily net assets. The Investment
Advisory Agreement further provides that


<PAGE>
Dreyfus Stock Index Fund
- ------------------------------------------------------------------------------
NOTES TO FINANCIAL STATEMENTS (Unaudited) (continued)

if the aggregate expenses of the Fund, exclusive of taxes, brokerage,
interest on borrowings and extraordinary expenses, exceed the expense
limitation of any state having jurisdiction over the Fund, the Fund may
deduct from the fees to be paid to Dreyfus, and Dreyfus may deduct from the
fees paid to Mellon Equity, or Dreyfus and Mellon Equity will bear, in the
same proportion as in the agreement, the amount of such excess to the extent
required by state law. The most stringent state expense limitation applicable
to the Fund presently requires reimbursement of expenses in any full year
that such expenses (exclusive of certain expenses as described above) exceed
2-1/2% of the first $30 million, 2% of the next $70 million and 1-1/2% of the
excess over $100 million of the average value of the Fund's net assets in
accordance with California "blue sky" regulations. Dreyfus has currently
undertaken from January 1, 1996 until June 30, 1996 and thereafter until such
a time as they give shareholders at least 180 days notice to the contrary
that if the Fund's aggregate expenses (exclusive of brokerage commissions,
transaction fees and extraordinary expenses) exceed an annual rate of .40 of
1% of the value of the Fund's average daily net assets, the Fund may deduct
from the payments to be made to Dreyfus, or Dreyfus will bear, such excess
expense. There was no expense reimbursement for the six months ended June 30,
1996.
    (b) Pursuant to the Fund's Shareholder Services Plan, the Fund reimburses
Dreyfus Service Corporation, a wholly-owned subsidiary of Dreyfus, an amount
not to exceed an annual rate of .25 of 1% of the value of the Fund's average
daily net assets for certain allocated expenses with respect to servicing
and/or maintaining shareholder accounts. During the six months ended June 30,
1996, the Fund was charged an aggregate of $2,311 pursuant to the Shareholder
Services Plan.
    The Fund compensates Dreyfus Transfer, Inc., a wholly-owned subsidiary of
the Manager, under a transfer agency agreement for providing personnel and
facilities to perform transfer agency services for the Fund.
    (c) Each director who is not an "affiliated person" as defined in the Act
receives from the Fund an annual fee of $2,500 and an attendance fee of $500
per meeting.  The Chairman of the Board receives an additional 25% of such
compensation.

NOTE 3--Securities Transactions:

    (a) The aggregate amount of purchases and sales of investment securities,
excluding short-term securities, during the six months ended June 30, 1996
amounted to $147,046,374 and $3,223,990, respectively.
    The Fund may invest in financial futures contracts in order to gain
exposure to or protect against changes in the market. The Fund is exposed to
market risk as a result of changes in the value of the underlying financial
instruments (see the Statement of Financial Futures).  Investments in
financial futures require the Fund to "mark to market" on a daily basis,
which reflects the change in the market value of the contract at the close of
each day's trading. Accordingly, variation margin payments are received or
made to reflect daily unrealized gains or losses. When the contracts are
closed, the Fund recognizes a realized gain or loss. These investments
require initial margin deposits with a custodian, which consist of cash or
cash equivalents, up to approximately 10% of the contract amount.  The amount
of these deposits is determined by the exchange or Board of Trade on which
the contract is traded and is subject to change. Contracts


<PAGE>
Dreyfus Stock Index Fund
- ------------------------------------------------------------------------------
NOTES TO FINANCIAL STATEMENTS (Unaudited) (continued)

open at June 30, 1996 and their related unrealized market appreciation
are set forth in the Statement of Financial Futures.
    (b) At June 30, 1996, accumulated net unrealized appreciation on
investments was $74,275,219, consisting of $77,367,887 gross unrealized
appreciation and $3,092,668 gross unrealized depreciation.
    At June 30, 1996, the cost of investments for Federal income tax purposes
was substantially the same as the cost for financial reporting purposes (see
the Statement of Investments).

<PAGE>
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Dreyfus Stock Index Fund
200 Park Avenue
New York, NY 10166

Manager
The Dreyfus Corporation
200 Park Avenue
New York, NY 10166

Index Fund Manager
Mellon Equity Associates
500 Grant Street
Pittsburgh, PA 15258

Custodian
Boston Safe Deposit and Trust Company
One Boston Place
Boston, MA 02108

Transfer Agent &
Dividend Disbursing Agent
Dreyfus Transfer, Inc.
One American Express Plaza
Providence, RI 02903



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