No. 1. Reports of Major General Alfred Pleasonton, U. S. Army, commanding Cavalry Corps.

RAPPAHANNOCK STATION, September 12, 1863.

Buford's division is across and is advancing. The enemy show two lines of pickets this morning. Kilpatrick crossed at 7.30.

A. PLEASONTON,

Major-General.

General MEADE,

Commanding.

HEADQUARTERS CAVALRY CORPS, TWO MILES BEYOND BRANDY STATION (11.15 A. M.),
Via Rappahannock, September 13, 1863-12.50 p.m.

We have advanced as far as General Buford did on the 4th August last. The enemy are falling back slowly. We are pushing them as fast as possible.

A. PLEASONTON,

Major-General, Commanding.

General MEADE.

HEADQUARTERS CAVALRY CORPS (1 P. M.),
Via Rappahannock, September 13, 1863-4 p.m.

Have driven the enemy out of Culpeper. He is retreating to the Rapidan. General Kilpatrick reports 3 pieces of Stuart's artillery captured by his division. The railroad train did not leave Culpeper until the last moment. Our loss slight. General Gregg has not yet communicated. Have heard his guns frequently. The enemy have shown no infantry.

A. PLEASONTON,

Major-General.

Major-General MEADE.

HEADQUARTERS CAVALRY CORPS,
Beyond Culpeper, Sept. 13, 1863-3 p.m. (Received 6 p.m.)

Your dispatch of 2 p.m. received. I am carrying out your instructions. Nothing but cavalry and artillery have yet been encountered, and all information supports the report that the enemy have retired their army.

A. PLEASONTON,

Major-General.

Major-General MEADE.

HDQRS. CAVALRY CORPS, ARMY OF THE POTOMAC,
September 13, 1863-5.30 p.m.

GENERAL: After my dispatch of 1 p.m. I moved Buford and Kilpatrick's commands in pursuit of the enemy toward Raccoon Ford.