Burnside's left, form in rear of General Warren's headquarters; otherwise the Second Division will not cross the railroad, as they may be needed farther on the left. In each case the men will be covered by the ground as far as practicable.

By order of Major-General Hancock:

F. A. WALKER,

Assistant Adjutant-General.

HEADQUARTERS SECOND ARMY CORPS, July 17, 1864. (Received 9 p.m.)

Major-General HUMPHREYS,
Chief of Staff:

Your dispatch is received. General Barlow's division will be under arms during the night.

WINF'D S. HANCOCK,

Major-General.

HEADQUARTERS ARMY OF THE POTOMAC, July 17, 1864. (Send 10.15 p.m.)

Major-General HANCOCK,
Commanding Second Corps:

A later deserter states the assault will be made at daylight. That seems to be an hour when an attack would be made if one is really designed. The commanding general thinks that instead of having the whole of the division under arms, if a part of it is kept up ready to rouse the remainder, who should have everything prepared to fall in the ranks, it would answer as well.

A. A. HUMPHREYS,

Major-General and Chief of Staff.

CIRCULAR.] HEADQUARTERS SECOND ARMY CORPS, July 17, 1864.

If there is no alarm during the night, the troops will be under arms at 3 a.m. to-morrow and the reserve artillery hitched up. The artillery with divisions will be harnessed during the night.

By order of Major-General Hancock:

FRANCIS A. WALKER,

Assistant Adjutant-General.

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

General WILLIAMS,
Assistant Adjutant-General:

Nothing unusual or of importance transpired in my front during the night.

G. K. WARREN,

Major-General.