Aquia to bring up Burnside's command. I have telegraphed to him, and am waiting his answer.

H. W. HALLECK,

General-in-Chief.

HEADQUARTERS ARMY OF THE POTOMAC,
Near Alexandria, Va., August 30, 1862 - 1 p. m.

Major General H. W. HALLECK, General-in-Chief:

If Falmouth and Aquia Creek are to be abandoned would it not be well to intrench some troops (some new ones) at Mathias Point, and some placed near Frestone, Shipping, or Cock Pit Point, in order to prevent the enemy from closing the Lower Potomac?

GEO. B. McCLELLAN,

Major-General.

WASHINGTON, D. C.,

August 30, 1862 - 2.10 p. m.

Major-General McCLELLAN, Alexandria, Va.:

Franklin's and all of Sumner's corps should be pushed forward with all possible dispatch. They must use their legs and make forced marches. Time now is everything. Send some sharpshooters on the trains to Bull Run. The bridges and property are threatened by bands of Prince William Cavalry. Give Colonel Haupt all the assistance you can. The sharpshooters on top of cars can assist un loading the trains.

H. W. HALLECK,

General-in-Chief.

HEADQUARTERS ARMY OF THE POTOMAC,
August 31, [30?], 1862.

Brigadier General A. W. WHIPPLE, Arlington:

Please convey the following dispatch to Major-General Sumner with as much haste as possible:

From Major-General Halleck to Major-General McClellan, August 30, 2.10 p. m.

Franklin and all of Sumner's corps should be pushed forward with all possible dispatch. They must use their legs, and make forced marches. Time now is everything.

S. WILLIAMS,

Assistant Adjutant-General.

HEADQUARTERS ARMY OF THE POTOMAC,
Near Alexandria, Va., August 30, 1862.

(Received 5 p. m.)

Major General H. W. HALLECK, General-in-Chief:

Sumner's corps was fully in motion by 2.30 p. m., and Franklin's was past Fairfax at 10 p. m., moving forward as rapidly as possible. I have sent the last cavalryman I have to the front; also every other