HEADQUARTERS LEFT GRAND DIVISION,
January 19, 1863-10 p. m.

Major-General SMITH, Commanding Sixth Corps:

GENERAL: In compliance with instructions from headquarters Army of the Potomac the commanding general directs that the following-named batteries will report in marching order by 9 a. m. to-morrow, the 20th instant, at General Burnside's headquarters: Snow's, McCartney's, Hall's (First Pennsylvania), Williston's, Hexamder's, Cowan's. Their commanders will immediately on the arrived of the batteries report to Major Tompkins at the tent of Brigadier-General Hunt, chief of artillery. The order for the commanders of those batteries to report to General Hunt to-night is countermended.

I am, general, yours, very respectfully,

M. T. McMAHON,

Lieutenant-Colonel and Assistant Adjutant-General.

[21.]

SPECIAL ORDERS,
HEADQUARTERS ELEVENTH CORPS,
ARMY OF THE POTOMAC, Numbers 16.
Stafford Court-House, Va., January 19, 1863.

* * * * *

16. The Seventeenth Regiment Pennsylvania Volunteer Cavalry is hereby assigned to the cavalry brigade of this corps, and will report for duty to Colonel Di Cesnola, commanding the brigade, at once.

* * * * *

By command of Brigadier-General Stahel:

H. BALDWIN, Jr.,
Acting Assistant Adjutant-General.

[21.]

SPECIAL ORDERS,
HDQRS. DEFENSES OF WASHINGTON, Numbers 16.
January 19, 1863.

1. The following disposition of troops on the defenses will go into effect immediately:

2. Brigadier General A. Hays' brigade: At Centerville, two regiments and a battery; at Union Mills, two regiments and a battery; at Fairfax Court-House, one regiment.

3. Brigadier-General Stoughton's brigade: At Fairfax Station, three regiments and a battery; at Wolf Run Shoals, two regiments and a battery. Another battery will be directed by Brigadier-General Barry to report to General Stoughton. The brigadier-generals are authorized to establish their headquarters at the points most convenient to their commands.

* * * * *

By command of Major-General Heintzelman:

CARROLL H. POTTER,
Assistant Adjutant-General.

[21.]

HEADQUARTERS EIGHTH ARMY CORPS,
Baltimore, January 20, 1863.

Lieutenant Colonel WILLIAM O. REDDEN, Frederick City, Md.:

Colonel Truex, Fourteenth Regiment New Jersey Volunteers, now at Monocacy bridge, has been ordered to assume command at Frederick. You will turn it over to him.

By order of Major-General Schenck:

WM. D. WHIPPLE,

Lieutenant-Colonel and Assistant Adjutant-General.

[21.]