Abstract from tri-monthly return of the Defenses of Washington, Major General N. P. Banks commanding, for September 20, 1862, Headquarters Washington,

D. C.

Present for duty

Command Officers Men Aggregate Aggrega-

present te

present

and

absent

Headquarters, 32 427 554 755

staff,

escorts, &c.

Garrisons 790 18.559 21.354 23.150

City Guards:

Washington, D. 120 1.802 2.558 4.202

C.

71 1.645 2.038 2.092

Alexandria, Va

191 3.447 4.596 6.294

Third Corps, 787 16.340 20.602 29.599

Major General

S. P.

Heintzelman

Eleventh 459 9.840 12.975 19.337

Corps, Major

General F.

Sigel

Division, 189 3.645 4.356 5.610

Brigadier

General A. W.

Whipple

Division, 268 6.100 6.757 7.079

Brigadier

General Silas

Casey

Corps of 130 4.322 4.658 6.766

Observation,

Upper Potomac,

Brigadier

General

George

Stoneman

Cavalry 73 1.627 1.875 2.732

Brigade

(Bayard's),

Colonel J. M.

Davies

Camp of 51 3.933 6.526 6.526

convalescents,

stragglers,

and recruits,

Brigadier

General J. P.

Slough

Grand total 2.970 69.240 84.253 107.839

Command Pieces of Aggregate

field present and

artillery absent, last

return

Headquarters, 1 3

staff,

escorts, &c.

Garrisons ..... 17.745

City Guards:

Washington, D. ..... 5.014

C.

..... 3.154

Alexandria, Va

..... 8.168

Third Corps, 44 22.503

Major General

S. P.

Heintzelman

Eleventh 52 17.087

Corps, Major

General F.

Sigel

Division, 8 9.869

Brigadier

General A. W.

Whipple

Division, 16 4.481

Brigadier

General Silas

Casey

Corps of 6 5.266

Observation,

Upper Potomac,

Brigadier

General

George

Stoneman

Cavalry ..... 4.255

Brigade

(Bayard's),

Colonel J. M.

Davies

Camp of ..... .....

convalescents,

stragglers,

and recruits,

Brigadier

General J. P.

Slough

Grand total 127 89.377

Remarks.

Divisions of Morell and Humphreys marched to join the army in the field.

Stoneman, with one brigade of his division and two new regiments, detached to the Upper Potomac.

Casey's provisional brigades concentrated on the Virginia side.

Two regiments stationed at the railway crossing of the Patuxent.

NOTE. - Aggregate present and absent, last return, Major-General Morell's division, 17,000, not reported on this abstract.

Abstract from tri-monthly return of the Middle Department (Eighth Army Corps), Major General John E. Wool commanding; for September 20, 1862, headquarters Baltimore, Md.

Present for duty

Command Officers Men Aggregate Agregate

present present

and absent

Department 25 ..... 25 25

staff

Baltimore 363 8.805 10.032 11.193

and

vicinity

Philadel- 2 ..... 2 2

phia

Annapolis 59 1.419 1.608 1.794

Relay 29 794 981 994

House

Fort 16 519 639 669

Delaware

Eastern 37 608 772 783

Shore

Miscel- 235 5.697 6.623 7.069

laneous

garrisons

Total 766 17.842 20.682 22.529

Attached 3 192 198 424

(Philadel-

phia)

* There were also at Annapolis 195 officers and 6.966 men paroled prisoners from Harper's Ferry.

22 R R - VOL XIX, PT II