CIRCULAR.] HEADQUARTERS ARMY OF THE POTOMAC,

July 17, 1864-12.45 p.m.

Corps commanders will at once report what regiments and parts of regiments of their respective commands are to be discharged before the 20th of August, together with the number of men in each regiment to be so discharged. The statement will show the number of men present to be discharged, as well as the number of men absent to be discharged.

By command of Major-General Meade:

S. WILLIAMS,

Assistant Adjutant-General.

HEADQUARTERS SECOND ARMY CORPS, July 17, 1864-9 a.m.

General WILLIAMS:

I have no change to report in the disposition of my troops since my report of last evening. Nothing of note has occurred. I have 1,300 men on fatigue.

WINF'D S. HANCOCK,
Major-General.

HEADQUARTERS SECOND ARMY CORPS, July 17, 1864.

Brigadier General S. WILLIAMS:

The disposition of my command remains unchanged since my last report.

WINF'D S. HANCOCK,

Major-General.

HEADQUARTERS ARMY OF THE POTOMAC, July 17, 1864.

Major-General HANCOCK,
Commanding Second Corps:

Information has been received from deserters that Longstreet's corps will attack on their front to-night-that is, Burnside's left wing and Warren's right wing. The commanding general directs that you be prepared to move your corps to their support in the event of such attack, and that you keep one division under arms to-night.

A. A. HUMPHREYS,

Major-General and Chief of Staff.

[First indorsement.]

HEADQUARTERS SECOND CORPS, July 17, 1864.

Official copy respectfully furnished for the information of commanding officers.

The First Division will remain under arms during the night. The Third and Second Divisions will be put under arms immediately in case of any firing. The Third Division will move out and form on the open ground in front of Ninth Corps headquarters, and the Second Division will, in case the attack is decided on General Warren's right and General