HEADQUARTERS ARMY OF THE POTOMAC.

Near Urbana, September 12, 1862-11.45 p. M.

Major General F. J. PORTER,
Near Leesborough:

The commanding general directs that, unless you receive different orders hereafter, you march your command to Frederick by way of Clarksburg and Urbana, and not to New Market, as heretofore ordered.

R. B. MARCY,

Chief of Staff.

[19.]

HEADQUARTERS ARMY OF THE POTOMAC.

Near Urbana, September 12, 1862-5.45 p. M.

Major-General FRANKLIN

Near Urbana;

GENERAL: The general commanding directs you to march at daylight to-morrow morning to Buckeystown and there await further orders, ready to move either to Frederick or Harper's Ferry, as may prove necessary. Upon starting you will please send a staff officer to these headquarters for further orders. General Couch is directed to move to Licksville at daylight to-morrow leaving at Poolesville a force sufficient towatch Edward and Conrad's Ferries. Captain Sanders (at or near Licksville) will place him in communication with you at Buckeystown.

I am, general, very respectfully, your obedient servant,
R. B. MARCY,

Chief of Staff.

[19.]

HEADQUARTERS ARMY OF THE POTOMAC.

Camp near Urbana, September 12, 1862-6.30 p. M.

General D. N. COUCH,
Commanding Division:

GENERAL: The commanding general directs that you move your command at daylight to-morrow to Licksville, leaving at Poolesville a force sufficient to watch Edwards and Conrad's Ferries. Probably the forces you have there now will be sufficient for this purpose. These troop sto rejoin you as soon as releived by new regiments from Washington. You will also request Captain Sanders, commanding cavalry at or near Licksville, to place you in communication with General Franklin at Buckeystown as soon as you reach Licksville. If your supply train has not come up, direct it to follow you and take all the rations you can with the wagons procured to-day. You will please send a staff officer to headquarters for further orders, as soon as your command moves.

Very respectfully, &c.,

R. B. MARCY,

Chief of Staff.

[19.]

HEADQUARTERS ARMY OF THE POTOMAC.

Near Urbana, September 12, 1862-8.30 p. M.

Major-General BURNSIDE,

Frederick, Md.:

GENERAL: The general commanding directs me to say that 500 cavalry and two pieces of artillery made a dash through Westminster last