withdraw the main portion of the infantry to this side of the river, if you deem it expedient.

Very respectfully, your obedient servant,

A. A. Humphreys,

Major-General, Chief of Staff.

HEADQUARTERS ARMY OF THE POTOMAC, August 1, 1863-6. 30 p. m.

Major-General Pleasonton,
Commanding Cavalry Corps:

The commanding general directs that General Gregg, Amissville, be instructed to send to General Sedgwick, commanding Sixth Corps, near Warrenton,, duplicates of all dispatches concerning the enemy that he transmits to you.

A. A. Humphreys,

Major-General, Chief of Staff.

HEADQUARTERS ARMY OF THE POTOMAC, August 1, 1863-7. 25 p. m.

Major-General, Couch Chambersburg:

I am instructed by the major-general commanding to say that he is now so far separated from you that he relinquishes further control over the forces under you command, and that Brigadier-General Lockwood, commanding at Harper's Ferry, has been ordered to report to Major-General Schenck.

A. A. Humphreys,
Major-General, and Chief of Staff.

HEADQUARTERS ARMY OF THE POTOMAC, August 1, 1863-9. 50 p. m.

Commanding Officer Cavalry Corps:

I am instructed by the major-general commanding to acknowledge the receipt of General Buford's very satisfactory dispatch.

The information furnished is important. He was not expected to hold against an infantry corps, and should be withdrawn to some point in advance of Rappahannock Bridge, where he can maintain himself. He should not retire to this side of the river, excepting he be forced back by an overpowering force.

A. A. Humphereys,

Major-General, And Chief of Staff.

RAPPAHANNOCK STATION, August 1, 1863.

Brigadier General G. K. Warren,

Chief Engineer, Army of the Potomac:

General: General Newton desires another bridge over the river near the left of his position, and, unless your order differently, I shall throw it over early to-morrow morning.

G. H. Mendell,

Captain of Engineers.