N-Q 1 form113.htm FORM N-Q form113
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION 
Washington, D.C. 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT 
INVESTMENT COMPANY

Investment Company Act file number    811-6325 

Dreyfus Midcap Index Fund, Inc.
(Exact name of Registrant as specified in charter) 

c/o The Dreyfus Corporation
200 Park Avenue
New York, New York 10166
(Address of principal executive offices)    (Zip code) 

Michael A. Rosenberg, Esq.
200 Park Avenue
New York, New York 10166
(Name and address of agent for service) 

Registrant's telephone number, including area code:    (212) 922-6000 

Date of fiscal year end:    10/31 

Date of reporting period:    1/31/08 

FORM N-Q

Item 1.    Schedule of Investments. 

STATEMENT OF INVESTMENTS         
Dreyfus Midcap Index Fund, Inc.         
January 31, 2008 (Unaudited)         
 
 
Common Stocks--97.7%    Shares    Value ($) 
Consumer Discretionary--13.3%         
99 Cents Only Stores    94,395 a,b    785,366 
Advance Auto Parts    201,450    7,187,736 
Aeropostale    134,627 b    3,792,443 
American Eagle Outfitters    430,350    9,910,960 
American Greetings, Cl. A    104,995 a    2,154,497 
AnnTaylor Stores    123,440 b    3,104,516 
ArvinMeritor    145,938 a    1,981,838 
Barnes & Noble    96,790 a    3,286,020 
Belo, Cl. A    176,839 a    2,937,296 
Blyth    48,550 a    1,057,904 
Bob Evans Farms    66,594 a    1,980,506 
Borders Group    118,145 a    1,330,313 
BorgWarner    233,270    11,805,795 
Boyd Gaming    112,950 a    3,019,153 
Brinker International    211,749    3,940,649 
Callaway Golf    133,295 a    2,388,646 
Career Education    183,200 a,b    3,982,768 
Carmax    438,330 a,b    9,774,759 
CBRL Group    47,825    1,495,488 
Charming Shoppes    234,700 a,b    1,513,815 
Cheesecake Factory    143,425 a,b    3,133,836 
Chico's FAS    354,310 a,b    3,823,005 
Chipotle Mexican Grill, Cl. A    66,200 a,b    8,059,188 
Coldwater Creek    120,400 a,b    774,172 
Collective Brands    131,790 a,b    2,322,140 
Corinthian Colleges    170,600 a,b    1,441,570 
Corrections Corp. of America    251,300 b    6,669,502 
DeVry    120,495    6,650,119 
Dick's Sporting Goods    167,400 a,b    5,448,870 
Dollar Tree Stores    184,950 b    5,180,449 
Entercom Communications, Cl. A    52,985    652,245 
Foot Locker    310,690    4,253,346 
Furniture Brands International    97,585 a    931,937 
Gentex    290,600 a    4,608,916 
Getty Images    95,800 b    2,395,000 
Guess?    110,000 a    4,104,100 
Hanesbrands    191,500 a,b    4,904,315 
Harte-Hanks    96,380    1,544,008 
Hovnanian Enterprises, Cl. A    73,840 a,b    730,278 
International Speedway, Cl. A    62,250    2,548,515 
ITT Educational Services    59,200 a,b    5,407,920 
John Wiley & Sons, Cl. A    90,500    3,567,510 
Lamar Advertising, Cl. A    159,600 a    6,881,952 
Lear    155,045 a,b    4,552,121 
Lee Enterprises    79,850 a    953,409 
Life Time Fitness    67,600 a,b    2,997,384 
Matthews International, Cl. A    62,400    3,049,488 
MDC Holdings    70,100 a    3,243,527 
Media General, Cl. A    45,500 a    865,410 
Modine Manufacturing    65,170 a    1,006,225 
Mohawk Industries    111,340 a,b    8,898,293 
NetFlix    96,600 a,b    2,429,490 
NVR    10,300 a,b    6,504,450 
O'Reilly Automotive    231,400 a,b    6,810,102 

Pacific Sunwear of California    142,300 a,b    1,582,376 
PetSmart    258,800 a    5,918,756 
Phillips-Van Heusen    113,600    4,787,104 
Regis    88,700 a    2,246,771 
Rent-A-Center    134,500 a,b    2,299,950 
Ross Stores    272,500    7,943,375 
Ruby Tuesday    103,995 a    799,722 
Ryland Group    84,600 a    2,851,866 
Saks    285,070 a,b    5,145,513 
Scholastic    52,550 a,b    1,800,889 
Scientific Games, Cl. A    130,700 b    3,110,660 
Service Corporation International    579,500    6,971,385 
Sotheby's    133,827 a    4,158,005 
Strayer Education    29,200 a    5,039,336 
Thor Industries    69,685 a    2,461,274 
Timberland, Cl. A    99,750 a,b    1,636,897 
Toll Brothers    255,390 a,b    5,945,479 
Tupperware Brands    123,940 a    4,585,780 
Urban Outfitters    227,100 a,b    6,585,900 
Valassis Communications    96,430 a,b    921,871 
Warnaco Group    91,700 a,b    3,291,113 
Williams-Sonoma    177,125 a    4,761,120 
        289,618,402 
Consumer Staples--3.1%         
Alberto-Culver    168,500    4,514,115 
BJ's Wholesale Club    128,854 b    4,180,024 
Church & Dwight    132,714 a    7,063,039 
Corn Products International    150,500 a    5,086,900 
Energizer Holdings    115,450 a,b    10,808,429 
Hansen Natural    120,600 a,b    4,650,336 
Hormel Foods    145,535    5,638,026 
J.M. Smucker    115,688 a    5,406,100 
Lancaster Colony    43,249 a    1,507,660 
NBTY    112,900 b    2,734,438 
PepsiAmericas    120,435    2,967,518 
Ruddick    74,880 a    2,551,910 
Smithfield Foods    235,020 a,b    6,545,307 
Tootsie Roll Industries    54,144 a    1,352,517 
Universal    55,066 a    2,742,837 
        67,749,156 
Energy--8.6%         
Arch Coal    287,800 a    12,663,200 
Bill Barrett    67,800 a,b    2,832,006 
Cimarex Energy    165,900 a    6,770,379 
Denbury Resources    491,300 b    12,429,890 
Encore Acquisition    109,100 a,b    3,556,660 
Exterran Holdings    132,177 a,b    8,623,227 
FMC Technologies    261,602 a,b    12,598,752 
Forest Oil    175,135 b    7,919,605 
Frontier Oil    212,100    7,480,767 
Grant Prideco    255,448 a,b    12,716,201 
Helmerich & Payne    208,170    8,164,427 
Newfield Exploration    263,270 b    13,131,908 
Overseas Shipholding Group    58,145 a    3,792,217 
Patterson-UTI Energy    311,600 a    6,101,128 
Pioneer Natural Resources    240,325 a    10,069,617 
Plains Exploration & Production    226,851 a,b    11,034,033 
Pride International    335,735 a,b    10,646,157 
Quicksilver Resources    103,300 a,b    5,870,539 
Southwestern Energy    342,800 a,b    19,165,948 
Superior Energy Services    161,900 a,b    6,490,571 

Tidewater    110,390 a    5,846,254 
        187,903,486 
Financial--16.3%         
Alexandria Real Estate Equities    64,100 a    6,296,543 
AMB Property    199,150 a    10,076,990 
American Financial Group    146,281    4,056,372 
AmeriCredit    229,645 a,b    3,056,575 
Arthur J. Gallagher & Co.    188,855 a    4,798,806 
Associated Banc-Corp    255,593    7,202,611 
Astoria Financial    164,175    4,462,277 
Bank of Hawaii    98,555 a    4,964,215 
BRE Properties, Cl. A    102,100 a    4,450,539 
Brown & Brown    229,280    5,161,093 
Camden Property Trust    111,700 a    5,512,395 
Cathay General Bancorp    100,200 a    2,598,186 
City National    81,287 a    4,623,605 
Colonial BancGroup    316,575 a    4,970,227 
Commerce Group    87,100 a    3,148,665 
Cousins Properties    75,100 a    1,997,660 
Cullen/Frost Bankers    117,630 a    6,403,777 
Duke Realty    292,800 a    6,921,792 
Eaton Vance    248,590 a    9,264,949 
Equity One    74,300 a    1,754,223 
Everest Re Group    127,085    12,923,274 
Federal Realty Investment Trust    113,900 a    8,405,820 
Fidelity National Financial, Cl.         
A    433,770 a    8,540,931 
First American    184,405    8,030,838 
First Community Bancorp    50,600 a    1,797,818 
First Niagara Financial Group    212,100 a    2,697,912 
FirstMerit    161,850 a    3,620,584 
Hanover Insurance Group    104,385    4,754,737 
HCC Insurance Holdings    231,110    6,438,725 
Health Care REIT    170,700 a    7,321,323 
Highwoods Properties    114,930 a    3,439,855 
Horace Mann Educators    87,200    1,601,864 
Hospitality Properties Trust    188,840    6,411,118 
IndyMac Bancorp    161,890 a    1,322,641 
Jefferies Group    224,760 a    4,544,647 
Jones Lang LaSalle    74,500    5,796,100 
Liberty Property Trust    184,050    5,909,845 
Macerich    145,900 a    9,975,183 
Mack-Cali Realty    136,585 a    4,851,499 
Mercury General    71,500 a    3,438,435 
Nationwide Health Properties    186,900 a    5,898,564 
New York Community Bancorp    650,819    12,072,692 
Old Republic International    463,412 a    6,918,741 
PMI Group    163,160 a    1,550,020 
Potlatch    78,783 a    3,382,154 
Protective Life    141,045    5,605,128 
Radian Group    161,705 a    1,477,984 
Raymond James Financial    190,792 a    5,359,347 
Rayonier    156,973    6,643,097 
Realty Income    203,300 a    4,956,454 
Regency Centers    140,000    8,600,200 
SEI Investments    254,100    7,038,570 
StanCorp Financial Group    99,600    4,901,316 
SVB Financial Group    66,725 a,b    3,229,490 
Synovus Financial    657,700 a    8,688,217 
TCF Financial    219,090 a    4,655,662 
UDR    269,820 a    6,159,991 

Unitrin    104,190    4,287,418 
W.R. Berkley    324,050    9,805,753 
Waddell & Reed Financial, Cl. A    167,850 a    5,569,263 
Washington Federal    175,818    4,293,476 
Webster Financial    107,630    3,645,428 
Weingarten Realty Investors    152,300 a    5,120,326 
Westamerica Bancorporation    59,000 a    2,921,680 
Wilmington Trust    138,240 a    4,820,429 
        351,146,049 
Health Care--12.4%         
Advanced Medical Optics    121,676 a,b    2,558,846 
Affymetrix    138,800 a,b    2,784,328 
Apria Healthcare Group    87,900 a,b    1,865,238 
Beckman Coulter    126,164    8,389,906 
Cephalon    134,900 a,b    8,853,487 
Cerner    133,500 a,b    6,995,400 
Charles River Laboratories         
International    136,600 b    8,482,860 
Community Health Systems    192,315 a,b    6,173,311 
Covance    128,390 b    10,676,912 
Dentsply International    304,600    12,583,026 
Edwards Lifesciences    114,085 a,b    5,278,713 
Endo Pharmaceuticals Holdings    269,700 b    7,049,958 
Gen-Probe    108,200 a,b    6,183,630 
Health Management Associates, Cl.         
A    488,100 a    2,630,859 
Health Net    221,640 b    10,304,044 
Henry Schein    180,100 a,b    10,469,213 
Hillenbrand Industries    124,690 a    6,448,967 
Hologic    252,142 a,b    16,227,859 
Intuitive Surgical    76,800 b    19,507,200 
Invitrogen    93,700 a,b    8,027,279 
Kindred Healthcare    60,100 a,b    1,655,154 
Kinetic Concepts    108,700 a,b    5,411,086 
LifePoint Hospitals    116,900 a,b    3,156,300 
Lincare Holdings    161,250 a,b    5,387,362 
Medicis Pharmaceutical, Cl. A    113,200 a    2,299,092 
Millennium Pharmaceuticals    649,362 a,b    9,850,822 
Omnicare    244,465 a    5,412,455 
Par Pharmaceutical Cos.    68,000 a,b    1,304,240 
PDL BioPharma    235,550 a,b    3,516,761 
Perrigo    156,000 a    4,811,040 
Pharmaceutical Product Development    210,400    9,122,944 
Psychiatric Solutions    110,500 a,b    3,333,785 
Resmed    155,500 a,b    7,243,190 
Sepracor    224,700 a,b    6,345,528 
STERIS    127,545 a    3,160,565 
Techne    79,500 b    5,167,500 
Universal Health Services, Cl. B    108,335    5,105,829 
Valeant Pharmaceuticals         
International    183,050 a,b    2,072,126 
Varian    61,200 a,b    3,320,100 
VCA Antech    169,500 b    6,552,870 
Ventana Medical Systems    60,000 a,b    5,343,000 
Vertex Pharmaceuticals    266,050 a,b    5,416,778 
WellCare Health Plans    83,900 a,b    3,942,461 
        270,422,024 
Industrial--15.8%         
AGCO    184,205 a,b    11,092,825 
AirTran Holdings    184,450 a,b    1,591,803 
Alaska Air Group    81,037 a,b    2,050,236 

Alexander & Baldwin    86,037 a    3,926,729 
Alliant Techsystems    65,800 a,b    6,964,930 
AMETEK    214,676    9,454,331 
Avis Budget Group    208,810 b    2,787,614 
BE Aerospace    186,200 b    7,189,182 
Brink's    97,535    5,913,547 
Carlisle Cos.    124,764 a    4,154,641 
CF Industries Holdings    96,600    10,329,438 
ChoicePoint    143,871 b    4,789,466 
Con-way    90,785 a    4,420,322 
Copart    141,500 b    5,784,520 
Corporate Executive Board    71,300 a    4,103,315 
Crane    102,800    4,201,436 
Deluxe    104,800 a    2,548,736 
Donaldson    143,366 a    6,007,035 
DRS Technologies    82,900    4,449,243 
Dun & Bradstreet    116,540    10,719,349 
Fastenal    253,500 a    10,243,935 
Federal Signal    96,363 a    1,116,847 
Flowserve    114,950    9,439,694 
GATX    96,396    3,624,490 
Graco    126,445 a    4,326,948 
Granite Construction    70,787 a    2,694,861 
Harsco    169,392    9,641,793 
Herman Miller    113,950 a    3,621,331 
HNI    92,552 a    3,115,300 
Hubbell, Cl. B    116,565    5,557,819 
IDEX    163,900    5,118,597 
J.B. Hunt Transport Services    176,100 a    5,476,710 
JetBlue Airways    362,525 a,b    2,505,048 
Joy Global    217,300    13,700,765 
Kansas City Southern    154,600 a,b    5,547,048 
KBR    340,800 b    10,765,872 
Kelly Services, Cl. A    46,485 a    800,472 
Kennametal    156,800    4,802,784 
Korn/Ferry International    93,800 a,b    1,509,242 
Lincoln Electric Holdings    86,700    5,345,055 
Manpower    162,955    9,167,848 
Mine Safety Appliances    58,800 a    2,624,244 
MSC Industrial Direct, Cl. A    95,600    3,926,292 
Navigant Consulting    91,900 a,b    1,088,096 
Nordson    67,886 a    3,386,154 
Oshkosh Truck    149,300 a    6,831,968 
Pentair    200,040 a    6,353,270 
Quanta Services    343,780 a,b    7,535,658 
Republic Services    323,267    9,698,010 
Rollins    85,534    1,521,650 
Roper Industries    177,600    9,931,392 
SPX    105,395    10,602,737 
Stericycle    174,800 a,b    10,358,648 
Teleflex    79,475    4,698,562 
Thomas & Betts    102,540 b    4,639,935 
Timken    192,700    5,825,321 
Trinity Industries    163,951 a    4,643,092 
United Rentals    151,795 a,b    2,770,259 
URS    160,600 b    7,050,340 
Wabtec    98,100    3,373,659 
Werner Enterprises    90,750 a    1,848,578 
YRC Worldwide    113,900 a,b    2,085,509 
        341,394,531 
Information Technology--13.2%         

3Com    797,700 b    3,294,501 
ACI Worldwide    71,950 a,b    1,072,055 
Activision    585,854 b    15,156,043 
Acxiom    143,200    1,519,352 
ADC Telecommunications    236,300 a,b    3,494,877 
ADTRAN    117,400 a    2,443,094 
Advent Software    35,950 a,b    1,623,502 
Alliance Data Systems    158,350 a,b    8,007,760 
Amphenol, Cl. A    358,500 a    14,318,490 
Arrow Electronics    246,882 b    8,448,302 
Atmel    903,300 a,b    2,854,428 
Avnet    301,783 b    10,746,493 
Avocent    100,550 b    1,669,130 
Broadridge Financial Solutions    280,400    6,073,464 
Cadence Design Systems    540,690 a,b    5,488,004 
CommScope    133,994 a,b    5,942,634 
Cree    171,500 a,b    5,067,825 
CSG Systems International    71,450 b    911,702 
Cypress Semiconductor    320,143 a,b    6,803,039 
Diebold    132,296    3,423,820 
Digital River    81,300 a,b    3,048,750 
DST Systems    103,850 a,b    7,425,275 
Dycom Industries    82,400 a,b    1,946,288 
F5 Networks    170,800 a,b    4,018,924 
Fair Isaac    101,195 a    2,580,473 
Fairchild Semiconductor         
International    250,275 b    3,065,869 
Foundry Networks    302,200 a,b    4,170,360 
Gartner    138,530 b    2,057,171 
Global Payments    158,700 a    5,935,380 
Harris    275,680    15,076,939 
Imation    65,600 a    1,699,696 
Ingram Micro, Cl. A    295,000 b    5,245,100 
Integrated Device Technology    382,360 b    2,848,582 
International Rectifier    145,890 a,b    4,060,119 
Intersil, Cl. A    263,300    6,063,799 
Jack Henry & Associates    158,450 a    3,894,701 
Kemet    168,850 a,b    879,709 
Lam Research    271,650 a,b    10,428,644 
Macrovision    106,700 a,b    1,791,493 
McAfee    320,305 b    10,781,466 
Mentor Graphics    180,459 a,b    1,488,787 
Metavante Technologies    172,400 b    3,818,660 
MoneyGram International    166,255 a    887,802 
MPS Group    202,415 b    2,034,271 
National Instruments    115,300 a    3,096,958 
NCR    364,000 b    7,818,720 
Palm    210,900 a    1,143,078 
Parametric Technology    233,200 b    3,836,140 
Plantronics    97,750 a    1,867,025 
Polycom    182,600 a,b    4,610,650 
RF Micro Devices    583,100 a,b    1,883,413 
Semtech    129,200 a,b    1,649,884 
Silicon Laboratories    110,900 b    3,464,516 
SRA International, Cl. A    85,700 a,b    2,350,751 
Sybase    180,360 a,b    5,089,759 
Synopsys    291,500 a,b    6,418,830 
Tech Data    111,500 b    3,833,370 
Triquint Semiconductor    284,438 b    1,348,236 
ValueClick    197,400 a,b    4,309,242 
Vishay Intertechnology    371,849 a,b    3,900,696 

Western Digital    442,700 b    11,709,415 
Wind River Systems    154,450 a,b    1,295,836 
Zebra Technologies, Cl. A    136,795 a,b    4,200,974 
        287,434,266 
Materials--6.4%         
Airgas    165,395    7,675,982 
Albemarle    160,000    5,801,600 
Cabot    131,340 a    3,904,738 
Carpenter Technology    98,800    6,090,032 
Chemtura    485,203    3,250,860 
Cleveland-Cliffs    84,100 a    8,564,744 
Commercial Metals    238,600    6,764,310 
Cytec Industries    84,600    4,789,206 
Ferro    87,549 a    1,547,866 
FMC    152,100    8,085,636 
Louisiana-Pacific    208,100 a    3,177,687 
Lubrizol    137,988    7,259,549 
Martin Marietta Materials    84,180 a    10,330,570 
Minerals Technologies    38,750 a    2,108,000 
Olin    149,185 a    3,056,801 
Packaging Corp. of America    186,915    4,530,820 
Reliance Steel & Aluminum    130,900    6,441,589 
RPM International    244,183 a    5,284,120 
Scotts Miracle-Gro, Cl. A    89,100 a    3,478,464 
Sensient Technologies    94,578 a    2,511,992 
Sonoco Products    199,983    6,171,475 
Steel Dynamics    194,200 a    10,127,530 
Temple-Inland    213,800    4,008,750 
Terra Industries    186,700 a,b    8,414,569 
Valspar    202,260    4,051,268 
Worthington Industries    132,300 a    2,168,397 
        139,596,555 
Telecommunication Services--.8%         
Cincinnati Bell    499,050 a,b    1,936,314 
NeuStar, Cl. A    154,700 a,b    4,596,137 
Telephone & Data Systems    213,735    11,272,384 
        17,804,835 
Utilities--7.8%         
AGL Resources    154,002    5,828,976 
Alliant Energy    221,849    8,186,228 
Aqua America    268,023 a    5,341,698 
Aquila    756,020 b    2,653,630 
Black Hills    75,992 a    2,943,930 
DPL    228,430 a    6,341,217 
Energen    144,400    9,082,760 
Energy East    318,366 a    8,038,742 
Equitable Resources    244,680    13,640,910 
Great Plains Energy    173,275 a    4,830,907 
Hawaiian Electric Industries    167,053 a    3,755,351 
IDACORP    90,533 a    2,954,997 
MDU Resources Group    366,862    9,509,063 
National Fuel Gas    167,924 a    7,239,204 
Northeast Utilities    311,740    8,641,433 
NSTAR    214,770 a    6,964,991 
OGE Energy    184,651    6,043,627 
ONEOK    208,615    9,804,905 
PNM Resources    154,431 a    2,983,607 
Puget Energy    235,700    6,163,555 
SCANA    234,679 a    8,751,180 
Sierra Pacific Resources    470,036    7,036,439 
Vectren    153,875 a    4,223,869 

Westar Energy    185,705 a    4,523,774 
WGL Holdings    99,440 a    3,205,946 
Wisconsin Energy    235,212    10,709,202 
        169,400,141 
Total Common Stocks         
(cost $1,771,591,783)        2,122,469,445 
    Principal     
Short-Term Investments--.1%    Amount ($)    Value ($) 
U.S. Treasury Bills:         
2.95%, 3/6/08    1,700,000 c    1,697,367 
3.09%, 2/21/08    1,100,000 c    1,099,097 
Total Short-Term Investments         
(cost $2,793,375)        2,796,464 
 
Other Investment--2.1%    Shares    Value ($) 
Registered Investment Company;         
Dreyfus Institutional Preferred         
Plus Money Market Fund         
(cost $45,555,000)    45,550,000 d    45,550,000 
 
Investment of Cash Collateral for         
Securities Loaned--28.8%         
Registered Investment Company;         
Dreyfus Institutional Cash         
Advantage Plus Fund         
(cost $627,178,885)    627,178,885 d    627,178,885 
 
Total Investments (cost $2,447,119,043)    128.7%    2,797,994,794 
Liabilities, Less Cash and Receivables    (28.7%)    (623,766,830) 
Net Assets    100.0%    2,174,227,964 

a All or a portion of these securities are on loan. At January 31, 2008, the total market value of the fund's securities on loan 
is $621,611,459 and the total market value of the collateral held by the fund is $627,178,885. 
b Non-income producing security. 
c All or partially held by a broker as collateral for open financial futures positions. 
d Investment in affiliated money market mutual fund. 

Securities valuation policies and other investment related disclosures are hereby incorporated by reference to the annual and 
semi-annual reports previously filed with the Securities and Exchange Commission on Form N-CSR. 

STATEMENT OF FINANCIAL FUTURES             
January 31, 2008 (Unaudited)                 
 
                Unrealized 
        Market Value        Appreciation/ 
        Covered by        (Depreciation) 
    Contracts    Contracts ($)    Expiration    at 1/31/2008 ($) 
Financial Futures Long                 
Standard & Poor's Midcap 400 E-mini    640    51,609,600    March 2008    (265,642) 

Item 2.    Controls and Procedures. 

(a) The Registrant's principal executive and principal financial officers have concluded, based on their evaluation of the Registrant's disclosure controls and procedures as of a date within 90 days of the filing date of this report, that the Registrant's disclosure controls and procedures are reasonably designed to ensure that information required to be disclosed by the Registrant on Form N-Q is recorded, processed, summarized and reported within the required time periods and that information required to be disclosed by the Registrant in the reports that it files or submits on Form N-Q is accumulated and communicated to the Registrant's management, including its principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosure.

(b) There were no changes to the Registrant's internal control over financial reporting that occurred during the Registrant's most recently ended fiscal quarter that have materially affected, or are reasonably likely to materially affect, the Registrant's internal control over financial reporting.

Item 3.    Exhibits. 

(a) Certifications of principal executive and principal financial officers as required by Rule 30a-2(a) under the Investment Company Act of 1940.

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SSL-DOCS2 70180139v2

FORM N-Q

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the Registrant has duly caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized.

Dreyfus Midcap Index Fund, Inc.

By:    /s/ J. David Officer 
    J. David Officer 
    President
 
Date:    March 25, 2008 

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this Report has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated.

By:    /s/ J. David Officer 
    J. David Officer 
    President
 
Date:    March 25, 2008 

By:    /s/ James Windels 
    James Windels 
    Treasurer
 
Date:    March 25, 2008 

EXHIBIT INDEX

(a) Certifications of principal executive and principal financial officers as required by Rule 30a-2(a) under the Investment Company Act of 1940. (EX-99.CERT)

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