HDQRS. DEPT. OF WASHINGTON, 22nd ARMY CORPS,
July 12, 1864-11. 15 a. m.

Colonel WELLS,

Provost-Marshal, Alexandria:

Has that company of cavalry reported to you? Use all your force to gain information, and report any indications of an advance of the enemy to the commander of the forts in the vicinity and to General Slough.

C. C. AUGUR,

Major-General, U. S. Volunteers.

ALEXANDRIA, July 12, 1864.

(Received 12. 40 p. m.)

Lieutenant Colonel J. H. TAYLOR,

Chief of Staff:

The company of Sixteenth New York Cavalry reported late last night. My men are out on the duty designated; they are scouting from two miles beyond Cloud's Mill around to the Telegraph road and below it to the Potomac entirely beyond the fortifications.

Respectfully,

H. WELLS,

Lieutenant-Colonel and Provost-Marshal-General.

ALEXANDRIA, VA., July 12, 1864.

(Received 8. 45 p. m.)

Lieutenant Colonel J. H. TAYLOR,

Chief of Staff:

My cavalry are picketing from the Little River pike, starting beyond Cloud's Mill, to the Potomac, covering the pike and the road leading to Springfield Station, the Braddock road, and the Telegraph road, and at a distance of from two and a half to four miles outside of the forts. No enemy has been discovered in that direction, nor has any been reported.

H. H. WELLS,

Provost-Marshal-General.

HDQRS. DEPT. OF WASHINGTON, 22nd ARMY CORPS,
July 12, 1864.

Colonel LAZELLE,

Commanding Cavalry, near Falls Church:

It is reported that there are indications of the enemy being in your front. Please keep me advised. Keep your scouts well out toward the gaps and toward Manassas. Should you learn of the enemy's advance in force notify General De Russy at once, as well as these headquarters. Use all your force to gain information.

Respectfully, yours,

C. C. AUGUR,

Major-General, U. S. Volunteers.