ORDERS.] HEADQUARTERS SECOND CORPS, July 21, 1864.

The Second Division, Colonel Smyth commanding, will relieve to-morrow morning, commencing as soon after daylight as practicable, the division of colored troops under General Ferrero, now holding the intrenchments on the left of the Fifth Corps, conferring with General Ferrero to-night. When the line is completely relieved Colonel Smyth will report the facts to these headquarters. He will have command of that portion of the line held by the Second Division.

By command of Major-General Hancock:

FRANCIS A. WALKER,

Assistant Adjutant-General.

NOTE.-General Ferrero's headquarters are near the redoubt on the railroad on the left of the line.

HEADQUARTERS THIRD DIVISION, SECOND CORPS, July 21, 1864.

Colonel W. C. L. TAYLOR,
Commanding Twentieth Indiana Volunteers:

COLONEL: I cannot part with yourself and the portion of your regiment that leaves my command without thanking you and those gallant men for their services during the campaigns of 1862, 1863, and the present year. You will always be associated with the distinguished record of the regiment and division, and I am sure you leave with us a band of veterans that will not disgrace you or the name that they retain.

Wishing you a safe return to your friends and prosperous future, I am, your obedient servant,

D. B. BIRNEY,

Major-General of Volunteers.

HEADQUARTERS FIFTH ARMY CORPS, July 21, 1864, 9.30 a. m.

General WILLIAMS:

Nothing unusual or of importance occurred in my front last night. A party of 350 men, under Captain Gillespie, engineer, were at work on General Cutler's front during the night.

G. K. WARREN,
Major-General.

HEADQUARTERS ARMY OF THE POTOMAC, July 21, 1864.

Major-General WARREN,

Commanding Fifth Corps:

In reply to your telegram of yesterday I have to state that I made no report to General Hunt with regard to the working parties being annoyed by artillery fire on your front.

J. C. DUANE,

Major of Engineers.