HDQRS. DEPT. OF WASHINGTON, 22nd ARMY CORPS,
Washington, D. C., July 13, 1864-11 p. m.

Major General Q. A. GILLMORE,

Commanding Nineteenth Army Corps, Tennallytown:

GENERAL: The enemy's rear guard still holds Rockville, and as General Wright may to-morrow meet him in force, the major-general commanding deems it advisable that such portion of your troops as are prepared should move up and join him early July 14. These instructions are given under the supposition that you have received none from General Wright; if you have, obey his orders.

Very respectfully,

J. H. TAYLOR,

Chief of Staff and Assistant Adjutant-General.

HEADQUARTERS U. S. FORCES,
Fort Stevens, July 13, 1864.

Brigadier-General MEIGS,

Commanding Reserve Division:

GENERAL: The commanding general desires that you keep your troops ready to move at a moment's notice.

Very respectfully, your obedient servant,

R. T. AUCHMUTY,

Assistant Adjutant-General.

HDQRS. SECOND BRIGADE, MEIGS' DIVISION,
July 13, 1864.

Major W. PAINTER,

Acting Assistant Adjutant-General:

MAJOR: I have the honor to report that by verbal order of Major-General McCook, communicated by Major Hastings and Colonel Chipman, of his staff, I detached 350 men with officers to report to Major Hastings for relief of General Wright's pickets.

Very respectfully, your obedient servant,

H. E. PAINE,

Brigadier-General.

HEADQUARTERS MEIGS' DIVISION,
Near Fort Slocum, July 13, 1864.

Major AUCHMUTY,

Assistant Adjutant-General:

MAJOR: I have the honor to request that the Second District of Columbia Volunteers and the Twelfth Veteran Reserves, which I sent last evening in obedience to instructions from the major-general commanding to report to Major-General Gillmore at Fort Saratoga, be ordered to report to me immediately at these headquarters to enable me to concentrate the command and be prepared for a movement as directed this afternoon.

By order of Bvt. Major General M. C. Meigs:

WM. PAINTER,

Major and Acting Assistant Adjutant-General.