HEADQUARTERS ARMY OF THE POTOMAC, October 12, 1864-11.15 a.m.

Brigadier-General PATRICK,
Provost-Marshal-General, City Point, Va.:

Please send me under guard, on board a boat, 150 of the most considerable of the prisoners captured by us in your hands, especially of the local defense, including privates Henly and McRay, for the purpose of being put to work in Dutch Gap, in retaliation for out soldiers now at work in the rebel trenches near Fort Gilmer.

BENJ. F. BUTLER,

Major-General, Commanding.

SPRING HILL, October 12, 1864-12 m.

Captain CLUM,

Chief Signal Officer:

Three passenger and two freight cars, all empty, toward Petersburg. A regular train.

G. F. YOUNG,

Lieutenant and Acting Signal Officer.

SPRING HILL, October 12, 1864-3 p.m. (Received 4 p.m.)

Captain CLUM,

Chief Signal Officer:

A train of five passenger-cars, with passengers, toward Richmond. A regular train.

G. F. YOUNG,

Lieutenant and Acting Signal Officer.

SPRING HILL, October 12, 1864-3.35 p.m. (Received 4 p.m.)

Captain CLUM:

Five freight-cars, contents unknown, and three passenger-cars, with passengers, toward Richmond. A regular train.

G. F. YOUNG,

Lieutenant and Acting Signal Officer.

DUTCH GAP, VA., October 12, 1864.

Colonel H. L. ABBOT,

Commanding Siege Artillery:

COLONEL: I have the honor to report that the enemy opened on three separate occasions to-day, firing rapidly, and at sundown, as though anxious to improve their opportunity. Returned their five promptly, and believe effectually. Moved the 100-pounder last night without trouble or accident.

Very respectfully, your obedient servant,

H. H. PIERCE,

Captain, First Connecticut Artillery.