HEADQUARTERS, Baltimore, Md.,
June 28, 1863-8 a. m.

(Received 8. 15 a. m.)

Major General H. W. HALLECK,

General-in-Chief:

Major-General Buttefield telegraphs me that some of General Hooker's batteries were sent in to Washington, and can be sent here for temporary duty. Will you please order this done immediately? To-night General Hooker sends back to me the Sixth New York State Militia and a section of battery that I had at the Monocacy.

ROBT. C. SCHENCK,

Major-General.

WAR DEPARTMENT, Washington,

June 28, 1863-11. 15 a. m.

Major-General SCHENCK, Baltimore, Md.:

General Barry will immediately send you two six-gun batteries, complete.

H. W. HALLECK,

General-in-Chief.

HEADQUARTERS DEPARTMENT OF WASHINGTON, June 28, 1863-5. 55 p. m.

(Received 7. 15 p. m.)

Major-General SCHENCK,
Commanding Middle Department, Baltimore:

A strong brigade of the enemy's cavalry have crossed the Potomac above Washington, near Poolesville. Colonel Lowell, with five companies of the Second Massachusetts Cavalry, are at Poolesville. Is there any way that you can communicate with him, and advise him of the fact, in order that he may keep his command in hand and ready for an attack? Very respectfully, your obedient servant,

CARROLL H. POTTER,

Captain, and Assistant Adjutant-General.

BALTIMORE, June 28, 1863.

(Received 7 p. m.)

Major-General HALLECK,

General-in-Chief, Washington, D. C.:

I am sending a regiment, the Third Potomac Home Brigade, to the Relay House, to increase the guards on the railroad. This is about one-third of all the force I have here.

ROBT. C. SCHENCK,

Major-General.

HEADQUARTERS DEPARTMENT OF WASHINGTON,
June 28, 1863-7 p. m.

Brigadier-General DE RUSSY,

Commanding, &c., Arlington House:

You have authority to impress any citizens you may wish, to act as guides for your cavalry. By command of Major-General Heintzelman:

CARROLL H. POTTER,

Assistant Adjutant-General.