TRENTON, N. J., November 12, 1862.

Major General H. W. HALLECK,

General-in-Chief:

I have the honor to report my arrival here with a portion of my staff at 4 o'clock this morning.

GEO. B. McCLELLAN,

Major-General.

WASHINGTON, D. C.,

November 13, 1862-4 p.m. (Received 4.20 p.m., 13th.)

Major-General BURNSIDE:

The following information just received through General Heintzelman's headquarters:

General Lee's headquarters at Orange Court-House; Longstreet at Culpeper; D. H. Hill is at Culpeper; A. P. Hill and Jackson in the Valley of the Shenandoah, part at Newtown, at Staunton, and at Thornton's Gap. A small force at Snickersville Gap and at Ashby's Gap. Conscripts and recovered sick and wounded have arrived, and about made up the loss at Antietam.

Was at Culpeper Friday. No forces at Richmond; army in good condition; use carpets for blankets; have bread and me at enough for the present.

CHARLES WHITLOCK,

Secret Agent.

J. C. KELTON,

Assistant Adjutant-General.

HEADQUARTERS ARMY OF THE POTOMAC.

November 13, 1862-6.50 p.m.

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

If possible, can you send me to-night a definite answer as to my plan of operations?

A. E. BURNSIDE.

Major-General.

HDQRS. ELEVENTH CORPS, ARMY OF THE POTOMAC.

Gainsville, Va., November 13, 1862

Major-General BURNSIDE,
Commander-in-Chief of the Army of the Potomac:

GENERAL: I am exceedingly sorry not to have been able to call on you personally, on account of ill-health. For this reason I take the liberty to make a few remarks in regard to the country before us, and the pending campaign in general.

I hope, general, that you will not take this letter as an assumption on my part, but as a mark of esteem to you, and as emanating from my sense of duty.

To be as short as possible, I will condense my statements in a few points:

1st. There are no bridges across the Rappahannock, the Potomac and Accokeek Creeks, as stated in former report, all these bridges having been destroyed.

2d. The direct road from Sperryville to Madison Court-House is hardly