Abstract from tri-monthly report of the Department of Washington, Major General Christopher C. Augur, U. S. Army, commanding, for July 10, 1864.

Present for duty.

Command. Officers. Men. Aggregate

present.

General 20 157 196

headquarters.

.

Artillery Camp 16 455 521

of

Instruction. .

Cavalry Depot. 10 135 223

.

Cavalry 18 1,175 2,268

Division. .

District of 108 2,630 3,650

Washington. .

General 35 2,069 2,766

Hospital

Guards, &c. .

Haskin's 163 3,566 4,744

division. .

Fort 6 105 156

Washington. .

District of 82 2,050 2,841

Saint Mary's,

Md. .

Total north of 458 12,342 17,365

the Potomac. .

District of 45 1,516 2,247

Alexandria. .

Provost- 5 169 196

marshal's

command. .

Rendezvous of 28 2,243 2,469

Distribution,

&c. .

Provisional 5 39 50

Brigades. .

De Russy's 250 5,416 7,025

division. .

Cavalry 43 995 1,879

Brigade. .

Total south of 376 10,338 13,866

the Potomac. .

Grand total. . 834 22,680 31,231

Pieces of artillery.

Command. Aggregate Heavy. Field.

present and

absent.

General 215 . . . . . . . . . . . . . .

headquarters. . . . . . . . . . . . . . .

.

Artillery Camp 674 . . . . . . . 22

of . . . . . . .

Instruction. .

Cavalry Depot. 253 . . . . . . . . . . . . . .

. . . . . . . . . . . . . . .

Cavalry 5,028 . . . . . . . . . . . . . .

Division. . . . . . . . . . . . . . . .

District of 5,140 . . . . . . . . . . . . . .

Washington. . . . . . . . . . . . . . . .

General 3,059 . . . . . . . . . . . . . .

Hospital . . . . . . . . . . . . . .

Guards, &c. .

Haskin's 5,159 411 . . . . . . .

division. . . . . . . . .

Fort 164 73 . . . . . . .

Washington. . . . . . . . .

District of 3,634 . . . . . . . 7

Saint Mary's, . . . . . . .

Md. .

Total north of 23,326 484 29

the Potomac. .

District of 2,777 . . . . . . . 6

Alexandria. . . . . . . . .

Provost- 207 . . . . . . . . . . . . . .

marshal's . . . . . . . . . . . . . .

command. .

Rendezvous of 2,577 . . . . . . . . . . . . . .

Distribution, . . . . . . . . . . . . . .

&c. .

Provisional 51 . . . . . . . . . . . . . .

Brigades. . . . . . . . . . . . . . . .

De Russy's 7,727 460 . . . . . . .

division. . . . . . . . .

Cavalry 2,775 . . . . . . . . . . . . . .

Brigade. . . . . . . . . . . . . . . .

Total south of 16,114 460 6

the Potomac. .

Grand total. . 39,440 944 35

CUMBERLAND, MD., July 10, 1864-3. 30 p. m.

(Received 5. 30 p. m.)

ADJUTANT-GENERAL U. S. ARMY:

We hold Martinsburg with our cavalry. Sullivan's division will occupy it in the morning.

D. HUNTER,

Major-General.

HARRISBURG, July 10, 1864.

W. B. WILSON, Hagerstown:

Inform General Hunter that Major Burt reports the force that lay at Smoketown yesterday numbered 7,000, and that Bradley Johnson was near Creagerstown. No doubt this latter has moved east. Also say it is true that the rebels have ben fortifying South Mountain.

D. N. COUCH,

Major-General.

(Copy to War Department. Received 3. 50 p. m.)

CUMBERLAND, MD., July 10, 1864.

(Received 1 p. m.)

Major THOMAS T. ECKERT,

Assistant Superintendent, U. S. Military Telegraph:

General Hunter requests me to answer your telegram to operator here. Every exertion possible is being made, I know, to hurry Gen-

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*No returns are on file of troops from the Sixth and Nineteenth Army Corps, taking part in the defense of Washington against Early's raid. But see Halleck to Grant, July 13, p. 257, and return of Meigs' division, July 13, p. 274.

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