onton, who was fighting all day yesterday somewhere near Middleburg, has reported a large infantry force in the vicinity of Upperville. The Sixth Corps is still at Fairfax Court-House. Any orders or information received by me will be promptly communicated to the major-general commanding. Very respectfully, your obedient servant.

JUL. STAHEL,

Major-General.

FREDERICK, MD., June 20, 1863.

(Copy received, War Department, 12. 45 p. m.)

Major-General HOOKER:

Arrangements such as you desired i made this morning before receiving your dispatch. I have sent out a signal glass, that everything can be seen. I hope to report early and most reliable information.

BABCOCK.

HEADQUARTERS ARMY OF THE POTOMAC, June 20, 1863.

Major General JOHN SEDGWICK,
Commanding Sixth Corps:

General: The commanding general directs that one division of your corps establish itself to-day at Bristoe Station, taking up a position on the north bank of Brad Run, and occupying such points as will best cover the approaches to the station. Two batteries will accompany the division, and a squadron of cavalry will be ordered to join it in the course of the day. The Second Corps is ordered to proceed to Thoroughfare Gap to-day, leaving a division at Gainesville. Very respectfully, your obedient servant,

S. WILLIAMS,

Assistant Adjutant-General.

HDQRS. CAVALRY CORPS, ARMY OF THE POTOMAC, Aldie,

June 20, 1863.

Brigadier General D. McM. GREGG, Commanding Second Cavalry Division:

General: Thinking that General Kilpatrick had not yet joined you in the front, by the general's direction I sent him an order to send all the men's baggage, &c., belonging to the First Rhode Island Cavalry, to report to Colonel Duffie at Fairfax Court-House. The general commanding directs me to communicate this order to you, with the request that you give instruction to have it carried into effect at once. Very respectfully, your obedient servant,

A. J. ALEXANDER,

Assistant Adjutant-General.