Abstract from return of the Defenses of Washington, Major General S. P. Heintzelman, U. S. Army, commanding, for January 31, 1863; headquarters, Washington, D. C.

Present for duty.

Command. Officers. Men. Aggregate

present.

General headquarters:

Staff 13 .... 13

Company I, 5th New York 2 35 38

Cavalry, Captain G. C.

Morton.

Total 15 35 51

Abercrombie's division,

Brigadier General J. J.

Abercrombie:

Staff and infantry 330 7,370 8,817

Artillery 45 1,143 1,336

Total 375 8,513 10,153

Casey's division,

Brigadier General Silas

Casey:

Staff and infantry 348 7,295 8,892

Artillery 17 498 560

Cavalry (Provisional 81 1,326 1,846

Brigade)

Total 446 9,119 11,298

Cavalry brigade, Colonel 180 3,352 4,171

R. Bulter Price

District of Alexandria, 160 4,407 13,051

Brigadier General J. P.

Slough

Artillery defenses of 205 3,886 5,223

Alexandria, Brigadier

General R. O. Tyler.

District of Washington, 155 2,569 4,097

Brigadier General J. H.

Martindale, Military

Governor.

Defenses North of the 289 6,514 8,263

Potomac, Lieutenant

Colonel J. A. Haskin.

Artillery Camp of 32 840 996

Instruction, Brigadier

General William F.

Barry.

Jawett's Brigade, Colonel 137 2,947 3,660

A. B. Jewett

Annapolis Junction, Md., 28 727 898

Colonel B. F. Tracy

Fort Washington, Md., 4 84 118

Colonel C. S. Merchant

Total Defenses of 2,026 42,993 61,979

Washington

Pieces of artillery.

Command. Aggregate Aggregate Heavy Field.

present last

and return.

absent.

General headquarters:

Staff 13 15 .... ....

Company I, 5th New York 44 47 .... ....

Cavalry, Captain G. C.

Morton.

Total 57 62 .... ....

Abercrombie's division,

Brigadier General J. J.

Abercrombie:

Staff and infantry 10,263 10,480 .... ....

Artillery 1,382 1,372 36 25

Total 11,645 11,852 36 25

Casey's division,

Brigadier General Silas

Casey:

Staff and infantry 10,177 7,410 .... 2

Artillery 614 152 .... 24

Cavalry (Provisional 2,205 .... .... ....

Brigade)

Total 12,996 7,562 .... 26

Cavalry brigade, Colonel 4,915 3,888 .... ....

R. Bulter Price

District of Alexandria, 13,530 13,857 .... ....

Brigadier General J. P.

Slough

Artillery defenses of 6,445 4,217 264 26

Alexandria, Brigadier

General R. O. Tyler.

District of Washington, 5,271 5,493 .... ....

Brigadier General J. H.

Martindale, Military

Governor.

Defenses North of the 9,240 8,596 284 78

Potomac, Lieutenant

Colonel J. A. Haskin.

Artillery Camp of 1,068 1,287 .... 40

Instruction, Brigadier

General William F.

Barry.

Jawett's Brigade, Colonel 3,995 4,138 .... 6

A. B. Jewett

Annapolis Junction, Md., 939 967 .... ....

Colonel B. F. Tracy

Fort Washington, Md., 118 119 70 3

Colonel C. S. Merchant

Total Defenses of 70,219 62,038 654 204

Washington