PICKET OUTPOST, Jerusalem Plank Road, July 12, 1864.

(Received 4.45 p.m.)

Colonel T. M. BRYAN, Jr.,

Commanding Cavalry Brigade:

COLONEL: General Gregg asked me to go with General Davies' advance to show the road to Reams' Station. He met the enemy about one mile from our pickets and drove him to his earth-works, about one mile and a half this side the railroad. He was opening on them with one piece when I left. Colonel Gregg has been skirmishing on the plank road piece when I left. Colonel Gregg has been skirmishing on the plank road or near it.

Respectfully,

JAS. W. SMITH,

Lieutenant, Eighteenth Pennsylvania Volunteers.

HEADQUARTERS ARMY OF THE POTOMAC, July 12, 1864-7.45 a.m.

Major-General WARREN,
Commanding Fifth Corps:

Brigadier-General Ferrero, commanding division of the Ninth Corps, who occupies the line on your left, will be at once ordered to report to you and receive your directions. He moved from the Williams house at daylight to take up his position and should now be there.

A. A. HUMPHREYS,

Major-General.

HEADQUARTERS FIFTH ARMY CORPS, July 12, 1864.

Brigadier General S. WILLIAMS,
Assistant Adjutant-General:

Colonel P. S. Davis, Thirty-ninth Massachusetts Volunteers, in Crawford's division, was severely wounded about 5 p.m. last evening. All quiet during the night in my front.

G. K. WARREN,

Major-General, Commanding.

HEADQUARTERS ARMY OF THE POTOMAC, July 12, 1864.

Major-General WARREN,
Commanding Fifth Army Corps:

The camp of general headquarters Army of the Potomac has been moved to a point about three-quarters of a mile east of General Burnside's headquarters.

S. WILLIAMS,

Assistant Adjutant-General.

HEADQUARTERS ARMY OF THE POTOMAC, July 12, 1864-10 p.m.

Major-General WARREN:

General Hancock has been directed to withdraw his corps to-morrow after daylight from his present position near the Williams house, and to mass it at some convenient position in rear of your left. He has