Abstract from return of the Defense of Washington, Major General S. P. Heintzelman, U. S. Army, commanding for December 31, 1862; headquarters, Washington, D. C.

Present

for duty

Command. Officers Men. Aggregate

present.

GENERAL HEADQUARTERS

Staff 15

-----

15

Company I, 5th New York 3 32 38

Cavalry, Captain G. C.

Morton

Total 18 32 53

ABERCROMBIE'S DIVISION.*

Brigadier General J. J.

ABERCROMBIE.

Staff and infantry 290 6,311 7,490

Artillery 8 204 232

Provisional Brigade:

Infantry 92 2,035 2,486

Artillery 37 940 1,071

Total 427 9,490 11,279

CASEY'S DIVISION.#

Brigadier General SILAS

CASEY.

Staff and infantry. 271 5,843 6,935

Artillery 4 126 144

Provisional Brigades:

Infantry 116 2,015 2,841

Cavalry 205 4,504 5,356

Artillery 9 255 292

Total 605 12,743 15,586

Cavalry Brigade (Colonel 147 2,510 3,270

R. Butler Price)

District of Alexandria

(Brigadier General J. P.

Slough, military

governor).

Infantry 119 2,115 2,850

Convalescents, paroled 42 2,447 10,861

and exchanged prisoners,

stragglers, and recruits.

Total 161 4,562 13,711

Artillery defenses of 153 3,417 4,189

Alexandria (Brigadier

General R. O. Tyler.)+

District of Washington 142 2,540 4,063

(Brigadier General J. H.

Martindale, military

governor).

Defenses north of the 280 6,536 8,348

Potomac (Lieutenant

Colonel J. A. Haskin)

Artillery Camp of 40 1,055 1,216

Instruction (Brigadier

General William F.

Barry)

Independent Brigade 144 3,142 3,826

(Colonel P. S. Davis)

Annapolis Junction, Md. 33 798 943

(Colonel B. F. Tracy)

Fort Washington, Md. 3 86 119

(Colonel C. S. Merchant)

Grand total. 2,153 46,911 66,603

Pieces

of artillery

Command. Aggregate Aggregate Heavy Field

present last

and return

absent

GENERAL HEADQUARTERS.

Staff 15 9 ---- ----

Company I, 5th New 47 48 ---- ----

York Cavalry, Captain

G. C. Morton

Total 62 57 ---- ----

ABERCROMBIE'S

DIVISION*

Brigadier General

J. J. ABERCROMBIE

Staff and infantry 7,293 11,165 ---- ---

Artillery 277 292 ---- 12

Provisional Brigade:

Infantry 2,557 2,597 ---- ---

Artillery 1,095 1,093 36 13

Total 11,852 15,147 36 25

CASEY'S DIVISION.#

Brigadier General

SILAS CASEY

Staff and infantry 7,410 12,500 --- ----

Artillery 152 ---- --- 6

Provisional Brigades:

Infantry 3,516 3,248 ---- ---

Cavalry 4,948 1,655 ---- ---

Artillery 306 ---- ---- 12

Total 16,332 17,403 ---- 18

Cavalry Brigade 3,898 3,858 ---- ---

(Colonel R. Butler

Price)

District of

Alexandria (Brigadier

General J. P. Slough,

military governor)

Infantry 2,996 2,864 ---- ----

Convalescents, 10,861 15,371 ---- ----

paroled and exchanged

prisoners,

stragglers, and

recruits

Total. 13,857 18,235

-----

----

Artillery defenses of 5,333 5,338 89 17

Alexandria (Brigadier

General R. O. Tyler)

+

District of 5,493 5,413 ---- ----

Washington (Brigadier

General J. H.

Martindale, military

governor.)

Defenses north of the 8,527 8,658 73 19

Potomac (Lieutenant

Colonel J. A. Haskin)

Artillery Camp of 1,287 1,197 ---- 52

Instruction

(Brigadier General

William F. Barry)

Independent Brigade 4,138 3,898 ---- 6

(Colonel P. S. Davis)

Annapolis Junction, 967 971 ---- ----

Md. (Colonel B. F.

Tracy)

Fort Washington, Md. 119 120 70 3

(Colonel C. S.

Merchant)

Grand total 71,865 80,295 268 140

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*At Upton's Hill, Minor's Hill, and near Chain Bridge, Va.

#Washington, Fairfax Court-House, Union Mills, Fort Albany, Bladensburg Toll-Gate, Camp Vermont, and Camp Tom Casey.

+Forts Barnard, Blenker, Ellsworth, Lyon, Richardson, Scott, Ward, and Worth.

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