FORT MONROE, May 13, 1864.

Major DAVIS:

Six hundred dismounted cavalry, First District of Columbia Cavalry, will arrive here to-morrow morning from Washington. Will they be of use at the front, or shall send them to General Shepley?

H. T. SCHROEDER,

Lieutenant and Acting Assistant Adjutant-General.

HEADQUARTERS,
In the Field, May 13, 1864-11 p.m.

OFFICER COMMANDING AT ENTRENCHMENTS:

You will at once send two of your best regiments, with a competent colonel commanding, to march as guard to an ammunition train, to report to General Gillmore. Their place will be supplied on your line with the First Connecticut Artillery, which will report to you by daylight to-morrow morning. The utmost dispatch and promptness will be required.

BENJ. F. BUTLER,

Major-General, Commanding.

IN THE FIELD, May 13, 1864-9.30 a.m.

General GILLMORE:

I am rejoined to learn that you are well started. Have been waiting. We cannot engage the enemy without assaulting the creek you are to turn. Push on vigorously, and engage the enemy yourself.

B. F. BUTLER,

Major-General, Commanding.

HEADQUARTERS TENTH ARMY CORPS,
In the Field, May 13, 1864-9.40 a.m.

Major-General BUTLER,

Commanding Department:

The two regiments sent out to General Ames are now about half or three-fourths of a mile in your rear on pike. The two ordered up from entrenchments have not been heard from, but will be due in a couple of hours.

Very respectfully,

Q. A. GILLMORE,

Major-General of Volunteers.

HEADQUARTERS TENTH CORPS,
May 13, 1864.

Major-General BUTLER,

Commanding Department:

Your dispatch is received concerning Langdon's battery. My column is now crossing the railroad at Chester Station. I cannot find any road leading to where I can turn the batteries, except one