and Washington under one head, and hold that head responsible for the result.

H. W. HALLECK,

Major-General.

Abstract from Tri-monthly Return of the Army of the Potomac, Major General George B. McClellan, U. S. Army, commanding, for July 10, 1862

Present for

duty

Command. Officers Men Present of

duty

equipped.

General staff 46 - -

U. S. Engineers (Duane) 4 169 173

Engineer Brigade 52 1,180 1,230

(Woodbury)

Escort to headquarters 4 99 100

(McIntyre)

Provost guard (A. Porter) 48 841 884

Total 154 2,289 2,387

Second Army Corps

(Sumner's):

Staff 6 - -

Sedgwick's division 328 7,777 7,804

Richardson's division 283 5,768 6,052

Artillery Reserve 13 275 288

(Bartlett)

Total 630 13,820 14,144

Third Army Corps

(Heintzelman's):

Staff 11 - -

Artillery Reserve (De 11 347 358

Russy)

Hooker's division 304 7,621 7,372

Kearny's division. 303 6,731 7,034

Total 629 14,699 14,764

Fourth Army Corps

(Keyes'):

Staff 8 - 8

Artillery (West's) 29 654 683

First Division (Couch's) 275 6,398 6,673

Second Division (Peck's) 324 6,178 6,502

Total 636 13,230 13,866

Fifth Provisional Army

Corps (Fitz John

Porter's):

Staff 4 - -

Artillery Reserve 61 1,703 1,764

(Hunt's)

Morell's division 322 7,979 8,297

Sykes' division 193 4,706 5,605

Seymour's division 237 6,004 6,078

Total 817 20,203 20,845

Sixth Provisional Army

Corps (Franklin's):

Staff 9 - 9

1st New York Cavalry 6 98 104

Slocum's division 286 6,652 6,939

W. F. Smith's division 454 9,933 10,387

Total 755 16,683 17,439

Stoneman's cavalry 194 4,526 4,716

division

Fort Monroe, Va. and 493 9,734 10,186

vicinity (Dix)

Quartermaster's guard 19 265 284

(Ingalls)

Total 706 14,525 15,186

Grand total 4,327 95,449 98,631

Command. Aggregate Aggregate Field

present. present and pieces of

absent. artillery.

General staff 46 57 -

U. S. Engineers (Duane) 240 238 -

Engineer Brigade 1,457 1,635 -

(Woodbury)

Escort to headquarters 109 143 -

(McIntyre)

Provost guard (A. Porter) 1,035 1,244 -

Total 3,887 3,367 -

Second Army Corps

(Sumner's):

Staff 6 9 -

Sedgwick's division 9,167 11,535 12

Richardson's division 7,383 10,069 14

Artillery Reserve 390 427 18

(Bartlett)

Total 16,946 22,040 44

Third Army Corps

(Heintzelman's):

Staff 11 13 -

Artillery Reserve (De 408 441 18

Russy)

Hooker's division 10,096 12,796 14

Kearny's division. 9,208 13,063 10

Total 19,723 26,313 42

Fourth Army Corps

(Keyes'):

Staff 8 10 -

Artillery (West's) 763 961 36

First Division (Couch's) 7,871 11,423 -

Second Division (Peck's) 7,967 13,584 -

Total 16,609 25,978 36

Fifth Provisional Army

Corps (Fitz John

Porter's):

Staff 4 4 -

Artillery Reserve 2,077 2,909 104

(Hunt's)

Morell's division 9,756 13,901 -

Sykes' division 5,605 7,146 -

Seymour's division 7,467 9,972 7

Total 24,909 33,932 111

Sixth Provisional Army

Corps (Franklin's):

Staff 9 9 -

1st New York Cavalry 154 171 -

Slocum's division 7,548 9,872 17

W. F. Smith's division 11,986 15,747 21

Total 19,697 25,799 38

Stoneman's cavalry 5,386 6,978 -

division

Fort Monroe, Va. and 11,248 12,154 26

vicinity (Dix)

Quartermaster's guard 309 477 -

(Ingalls)

Total 16,943 19,609 26

Grand total 117,714 157,038 335

GENERAL ORDERS,
HDQRS. ARMY OF THE POTOMAC.

Numbers 138.
Camp near Harrison's Landing, Va., July 10,'62.

I. At his own request, Brigadier General Stewart Van Vliet is relieved from