Harrisburg, June 21, 1863.

(Received 3. 05 p. m.)

Honorable SECRETARY OF WAR:

One thousand rebel cavalry in the vicinity of Waynesborough. Milroy's scouts report 40, 000 men at Hagerstown; eighteen pieces of artillery. Chambersburg scouts report 30, 000 men at the same place, with sixteen pieces. There is no doubt a force of infantry is on our border.

D. N. COUCH,

(Copy to General Schenck.)

Baltimore, June 21, 1863-4. 15 p. m.

Brigadier General H. H. LOCKWOOD, Comdg. First Separate Brigade, Drummondtown, Va.:

You will, on receipt of this, repair to Baltimore without delay, to take command of your troops and others assembled here. By order of Major-General Schenck:

DONN PIATT,

Lieutenant-Colonel, and Chief of Staff.

(To be forwarded to Point Lookout.)

Harrisburg, PA., June 21, 1863-9. 45 p. m.

(Received June 22, 3. 25 a. m.)

Major General H. W. HALLECK,

General-in-Chief:

Rebel cavalry have crossed South Mountain, and are at Middletown. Seem to be moving east, but not north.

D. N. COUCH,

Major-General.

(Copy to General Schenck.)

ALBANY, June 21, 1863.

(Received 9. 55 a. m.)

Honorable E. M. STANTON,

Secretary of War:

The Governor desires to be informed if he shall continue sending on the militia regiments from this State; if so, to what extent, and to what point?

J. B. STONEHOUSE,

Acting Assistant Adjutant-General.

WASHINGTON, D. C., June 21, 1863.

Assistant Adjutant-General Stonehouse, Albany:

The President desires Governor Seymour to forward to Baltimore all the militia regiments that he can raise.

EDWIN M. STANTON,

Secretary of War.