HEADQUARTERS ARMY OF THE POTOMAC, November 1, 1862-2 p. m.

Major-General HALLECK:

Your dispatch has been received, and the order for the infantry regiment under General Kenly to report to Governor Bradford has been given.

GEO. B. McCLELLAN,
Major-General, Commanding.

NOVEMBER 1, 1862-2.30 a. m.

B. R. MARCY, Chief of Staff:

The directions received will be promptly attended to. Material and cars are ready.

H. HAUPT.

NOVEMBER 1, [1862.]

Brigadier-General SICKLES,

Commanding Division:

GENERAL: The major-general commanding directs that you move your division to-morrow morning on Thoroughfare Gap. You will take two days' rations in haversacks and five in wagons. Major-General Sigel has been directed to leave a sufficient force at Fairfax, Centreville, Manassas Junction, and along the railroad to secure the read and supply trains. Upon reaching these points you will relieve these guards with troops from your division, and direct them to move forward and join General Sigel's command. Two brigades of General Casey's division have been ordered to relieve your troops and occupy your present position.

You will report the position of your command form day to day to Major-General McClellan and to these headquarters.

Very respectfully, your obedient servant,

CHAUNCEY McKEEVER.

SEMINARY, November 1, 1862-5.20. (Received 8.10 a. m.)

Lieutenant-Colonel McKEEVER:

Your instructions, by mounted orderly, dated November 1, directs me to move my command to-morrow morning, indicating the morning of the 2d. Instruct as to the time of departure. Please telegraph immediately whether I move this morning or to-morrow.

D. E. SICKLES.

FAIRFAX COURT-HOUSE,--. (Received November 1,l 1862.)

Major-Generals BANKS and HEINTZELMAN:

The following has been received and forwarded:

HEADQUARTERS CAVALRY BRIGADE, Camp near Chantilly, October 31-2 p. m.

The enemy drove sin General Stoneman's pickets and followed those that escaped into Aldie, near which I was encamped. My men were quickly in the saddle, and,