HEADQUARTERS ARMY OF THE POTOMAC, May 7, 1864.

Major-General WARREN:

Your dispatch received. Colonel Comstock with other engineer and artillery officers will select a line on the heights of Wilderness run and put some artillery is position there.

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

A report has been received from General Sedgwick that the cavalry find nothing as far as they have been out to the left of the Germanna plank road; that his infantry pickets on his right find nothing as far as they have gone. The major-general commanding desires you to push out your skirmishers to ascertain if the enemy is there.

A. A. H.

MAY 7, 1864-8 a. m.

General HUMPHREYS:

We have all our ammunition train just across Wilderness Run. Would it not be well to send most of it toward Chancellorsville out of this cleared space? I would so direct, but I may interfere with other trains.

Respectfully,

G. K. WARREN.

HEADQUARTERS FIFTH CORPS, May 7, 1864-9 a. m.

Colonel LOCKE:

Can see no movement of the enemy at Turner's. Small force in rifle-pits built yesterday. About a squadron of cavalry in line near where enemy had battery yesterday.

D. E. CASTLE,
Captain and Signal Officer.

HEADQUARTERS FIFTH ARMY CORPS, May 7, 1864-10.50 a. m.

Colonel LOCKE:

Enemy's infantry has just commenced moving rapidly to our right. Heavy column of dust in rear of them.

CASTLE,

Signal Officer.

MAY 7, 1864-10.50 a. m.

General HUMPHREYS:

I have not yet got a report from Griffin's demonstration. He has opened a few pieces, probably down the road. The enemy opened with one or two guns at least at long range to my left. Their direc-