HEADQUARTERS OF THE ARMY,
January 25, 1862.

Brigadier General W. S. ROSECRANS,

Wheeling, Va.:

Detain the Ninth Indiana for the present. Consult with General Lnader about the two Ohio regiments on their way to join him. Have any of the four regiments or batteries ordered to you reached Grafton yet?

By order:

A. V. COLBURN,

Assistant Adjutant-General.

[5.]

SPECIAL ORDERS, HEADQUARTERS OF THE ARMY, ADJUTANT-GENERAL'S OFFICE, Numbers 20.
Washington, January 25, 1862.

* * * *

3. Brigadier General William H. Keim, U. S. Volunteers, is assigned to duty in the Army of the Potomac, and will report at once to Brigadier General Silas Casey, U. S. Volunteers.

By command of Major-General McClellan:

L. THOMAS,
Adjutant-General.

[5.]

HEADQUARTERS ARMY OF THE POTOMAC,
January 25, 1862.

General N. P. BANKS,

Frederick:

General Lander reports that Jackson has fallen back on Unger's. If your information confirms this report and everything remains quiet in your front, you are authorized to obey the summons of the joint committe of Congress on Monday, leaving instructions that you may be advised by telegraph of any event requiring your immediate return to your headquarters, and effecting arrangements for special trains to meet such contingency.

By command of Major-General McClellan:

S. WILLIAMS,

Assistant Adjutant-General.

[5.]

JANUARY 26, 1862.

Governor PEIRPOINT,

Wheeling, Va.:

Last news from Jackson that he had fallen back to Unger's. I apprehend nothing from him. Measures had been taken to dispose of him had he advanced farther.

GEO. B. MCCLELLAN,

Major-General.

[5.]