HEADQUARTERS ARMY OF THE POTOMAC,
June 21, 1864-7.15 a. m.

Major-General WARREN:

I have directed Major-General Birney to take post on your left, enveloping the enemy. your position will be strictly defensive, and I wish you to extend your left and hold as much ground as you can securely, as should the enemy's position admit of it, I desire to stretch to the Lynchburg railroad.

GEO. G. MEADE,

Major-General.

HEADQUARTERS ARMY OF THE POTOMAC,
June 21, 1864-8,45 a. m.

Major-General WARREN,

Commanding fifth Army Corps:

The major-general commanding directs that you turn over the cavalry under the command of Captain Crowninshield to Major-General Birney.

A. A. HUMPHREYS,

Major-General, Chief of Staff.

JUNE 21, 1864-12 m.

Major-General HUMPHREYS:

Colonel Bryan, of General Wilson's cavalry, has just reported here with two regiments. Was it not intended that he should report to General Wright, on the extreme left flank, as we have no use for any cavalry now?

W. A. ROEBLING,

Major and Aide-de-Camp.

HEADQUARTERS ARMY OF THE POTOMAC,
June 21, 1864-12 m.

Major W. A. ROEBLING,

Aide-de-Camp:

The cavalry was probably sent to relieve that of General Birney's.

They should be sent to him.

A. A. HUMPHREYS,

Major-General and Chief of Staff.

HEADQUARTERS FIFTH CORPS,
June 21, 1864-12.35 p. m.

General WILLIAMS,

Assistant Adjutant-General:

Please inform me if General Brooks has assumed command of the Tenth Corps.

FRED. T. LOCKE,

Assistant Adjutant-General.