GENERAL BUTLER'S HEADQUARTERS, July 28, 1864.

Major-General BIRNEY:

Your dispatch received. These troops have been ordered to report to you by written orders and have acknowledge receipt. The heavy artillery was at Bermuda last account. The dismounted men of Kautz's command at Gill's Landing, near Jones' Neck.

G. WEITZEL,

Brigadier-General.

HEADQUARTERS TENTH ARMY CORPS, July 28, 1864. (Received 11 a.m.)

General WEITZEL:

The commanding officer of dismounted cavalry reports to me, but says that all of the men in his command are without arms of any description. Unequipped men will be of on use to me.

D. B. BIRNEY,
Major-General.

HDQRS. DEPT. OF VIRGINIA AND NORTH CAROLINA,

In the Field, July 28, 1864.

Major-General BIRNEY,

Tenth Corps:

We will investigate at once why this to us unknown and culpable condition of the dismounted men exists, and will have them equipped as quickly as possible.

Respectfully,

G. WEITZEL,

Brigadier-General and Acting Chief of Staff.

HEADQUARTERS TENTH ARMY CORPS, July 28, 1864.

General WEITZEL:

Dispatch received. I will order dismounted cavalry to remain in camp until armed.

D. B. BIRNEY,
Major-General.

HEADQUARTERS TENTH ARMY CORPS, July 28, 1864.

General WEITZEL,

Chief of Staff:

Sixteenth New York Heavy Artillery have reported.

D. B. BIRNEY,

Major-General.

HEADQUARTERS TENTH ARMY CORPS, July 28, 1864.

General WEITZEL:

The enemy have attacked Sheridan's cavalry on the Long Bridge road. General Foster is making a demonstration of the left. I presume