TENNALLYTOWN, July 11, 1864.

(Received 6. 40 a. m.)

Major-General AUGUR:

Colonel Lowell says:

I am within three miles of Rockville. Have met a force of the enemy. Will try and ascertain his strength.

WALTER CUTTING,

Major and Aide-de-Camp.

HEADQUARTERS HARDIN'S DIVISION,
July 11, 1864.

Major RAYMOND:

The bearer was sent by Colonel Lowell with the information that a considerable force of the enemy was a mile or two in front of our line. You can ask him questions.

R. CHANDLER,

Assistant Adjutant-General.

NEAR LEESBOROUGH, MD., July 11, 1864-4. 30 a. m.

ASSISTANT ADJUTANT-GENERAL, DEPT. OF WASHINGTON:

GENERAL: I have the honor to report that the scouting party sent toward Brookeville advanced within a mile of the town and found the pickets of the enemy. They also learned that there was considerable cavalry force in the town. The party that went toward Brookeville did not find or learn of anything in that vicinity. I have just started for Brookeville.

COE DURLAND,

Major 17th Pennsylvania Cav., Commanding Detach.

HDQRS. DETACHMENT EIGHTH ILLINOIS CAVALRY,
On Picket, near Seven Oaks, Md., July 11, 1864.

Major-General AUGUR:

SIR: I have the honor of reporting the following information as gained by a Union citizen of this place by the name of John Stone, whose nephew had last evening conversed with a brother belonging to the rebel army, who states that the rebel force is from 75,000 to 100,000 strong, commanded by General Lee, and from further information I learn that 6,000 of the above force passed, through the town of Rockville since dark last evening with the intention of moving to attack Washington this morning.

Very respectfully, your obedient servant,

L. G. PIERCE,

Captain, Commanding Picket-Station.

TENNALLYTOWN, July 11, 1864.

(Received 4. 40 a. m.)

Major-General AUGUR:

Does the One hundred and forty-seventh Ohio National Guard remain with Colonel Warner or go to General McCook?

WALTER CUTTING,

Major and Aide-de-Camp.