HEADQUARTERS ARMY OF THE POTOMAC,
October 7, 1862--1.15 p. m.

COMMANDING OFFICER COX'S DIVISION:

SIR: The commanding general directs you to march your command at once, provided with five days' rations, to Cumberland, Md. Upon your arrival there you will find railroad transportation to Clarksburg, Va., provided by General Ingalls, chief quartermaster at these headquarters. Your wagons will be sent back from Cumberland and ordered to report to General Ingalls. Please report the hour of your departure from your present camp.

I am, sir, very respectfully, your obedient servant,

R. B. MARCY,

Chief of Staff.

[19.]

HEADQUARTERS ARMY OF THE POTOMAC,
October 7, 1862--8.30 p. m.

Brigadier General GEORGE CROOK,

Commanding Cox's Division:

GENERAL: The Little Cacapon bridge, on the Baltimore and Ohio Railroad, will be finished to-night. This will probably enable you to take the cars at Hancock instead of Cumberland with your command. Should this not be possible, you will be so informed on your arrival at Hancock.

I am, general, very respectfully, your obedient servant,

R. B. MARCY,

Chief of Staff.

[19.]

SPECIAL ORDERS,
HEADQUARTERS FIRST ARMY CORPS, Numbers 24.
Camp near Sharpsburg, October 8, 1862.

* * * * * *

II. The following new regiments now en route for this corps are assigned as follows: First Division (Gibbon's brigade), Twenty-fourth Michigan Volunteers. Second Division, One hundred and thirty-sixth Pennsylvania Volunteers. Third Division, One hundred and twenty-first and One hundred and forty-second Pennsylvania Volunteers.

* * * * * *

By command of Brigadier-General Reynolds:

C. B. LAMBORN,
Acting Assistant Adjutant-General.

[19.]

HEADQUARTERS ARMY OF THE POTOMAC,
October 10, 1862--10 p. m. (Received 10.55 p. m.)

Major-General HALLECK,

General-in-Chief, Washington:

Every disposition has been made to cut off the retreat of the enemy's cavalry that to-day made the raid into Maryland and Pennsylvania.

GEO. B. McCLELLAN,

Major-General, Commanding.

[19.]