HDQRS. CAVALRY CORPS, ARMY OF THE POTOMAC,
March 25, 1864.

Brigadier General S. WILLIAMS,

Adjutant-General, Army of the Potomac:

GENERAL: I have the honor to acknowledge the receipt of Special Orders, Numbers 75, from headquarters Army of the Potomac, relieving me from duty with this army and directing me to report to Major-General Rosecrans. I would respectfully request that I may be permitted to take my personal aides with me. They are as follows: First Lieutenant Clifford Thomson, First New York Cavalry; First Lieutenant George W. Yates, Fourth Michigan Infantry; First Lieutenant George H. Thompson, First New Hampshire. These officers have been with me a long time, and will aid me most efficiently in a new command. Two of them belong to troops not serving with this army.

In case an adjutant-general is assigned to this corps, I would request that Captain E. B. Parsons, assistant adjutant-general of volunteers, be assigned to me.

I am, very respectfully, your obedient servant,

A. PLEASONTON,

Major-General.

HEADQUARTERS SECOND DIVISION, CAVALRY CORPS,
March 25, 1864.

Colonel J. IRVIN GREGG, Commanding Second Brigade:

COLONEL: The following dispatch has been received from corps headquarters:

General GREGG:

Orders having been received assigning you to the temporary command of the Cavalry Corps, the commanding general desires that you report to these headquarters in person at the earliest practicable moment.

In compliance with the above order, the general commanding directed that you report at these headquarters at 8 o'clock to-morrow morning to assume command of this division.

By command of Brigadier-General Gregg:

THOS. ARROWSMITH,

Lieutenant and Acting Assistant Adjutant-General.

CULPEPER COURT-HOUSE, March 25, 1864.

Major-General AUGUR:

If the brigade of the Pennsylvania Reserves now at Alexandria can possibly be spared from their present duty, order them to join their division in the field.

U. S. GRANT,

Lieutenant-General.

CULPEPER COURT-HOUSE, VA., March 25, 1864.

Major General C. C. AUGUR,

U. S. Volunteers, Washington, D. C.:

Lieutenant-General Grant desires that if the Pennsylvania regiments referred to in your telegram of to-day can be relieved by invalid troops to be obtained from Colonel Fry it be done.

C. B. COMSTOCK,

Assistant Adjutant-General.