WARRENTON JUNCTION,

March 29, 1862-2 a. m.

General S. WILLIAMS, Seminary:

I omitted to state in my last dispatch that General Howard reports that there were two brigades on the opposite bank of the river when he reached it, commanded by Major-General Ewell. The enemy retreated upon his opening fire upon him with his artillery.

E. V. SUMNER,

Brigadier-General, Commanding Second Army Corps.

WARRENTON JUNCTION,

March 29, 1862-9.30 a. m.

General S. WILLIAMS:

General Howard will return this morning. Shall I take Warrenton to-morrow? There is much forage in our vicinity, I will send organized parties this morning to collect; certificates to the proper officer, on condition that they take at the time of presentation the oath of allegiance to the United States.

E. V. SUMNER,

Brigadier-General, U. S. Army, Commanding Second Corps.

MARCH 29, 1862-12.37 p. m.

General E. V. SUMNER,

Warrenton Junction:

Your dispatch of this morning with respect to a movement on Warenton to-morrow has been laid before the commanding general, who will in the course of the day instruct you upon the subject of your dispatch.

S. WILLIAMS,

Assistant Adjutant-General.

HEADQUARTERS ARMY OF THE POTOMAC,
Commodore, March 29, 1862.

General E. V. SUMNER,

Warrenton Junction:

Abercrombie's brigade and Colonel Geary's regiment, Banks' division, are supposed to be now near Manassas, and they will be ordered to report to you at Warrenton Junction. On their joining you the commanding general directs that you send Blenker's division back to Manassas, where it will await further instructions from these headquarters.

S. WILLIAMS,

Assistant Adjutant-General.

SEMINARY, March 29, 1862.

General E. V. SUMNER, Warrenton:

The commanding general directs that you at once place a suitable guard over the portion of the line and bridges of the finished portion