HEADQUARTERS DEPARTMENT OF WASHINGTON, May 8, 1864.

General TYLER,
Commanding at Fairfax Court-House:

I want, as I directed before, that you take every possible means in your control to secure the railroad. Send such force as you deem necessary to do this.

C. C. AUGUR,

Major-General.

HDQRS. DEPT. OF WASHINGTON, 22nd ARMY CORPS, Washington, D. C., May 8, 1864.

Brigadier-General TYLER,
Commanding at Fairfax Court-House:

The Secretary of War directs that all stragglers from the Army of the Potomac at Rappahannock Station, or elsewhere within your lines, be at once brought before a drum-head court-martial, and if found to be deserters or stragglers without authority, that they be immediately executed. You will see to the prompt execution of this order.

C. C. AUGUR,

Major-General, Commanding.

HDQRS. DEPT. OF WASHINGTON, 22nd ARMY CORPS, Washington, D. C., May 8, 1864.

Brigadier General R. O. TYLER,
Commanding Division, at Fairfax Court-House:

GENERAL: A battalion of dismounted cavalry, 275 strong, will leave here by rail at 10 a. m. to-morrow, to report to you at Fairfax Station for duty on the road. Let them be met there with instructions.

Respectfully,

J. H. TAYLOR,

Chief of Staff and Assistant Adjutant-General.

WASHINGTON, May 8, 1864-11.30 a. m.

Major-General SIGEL,

Near Winchester, Va.:

Fifteen regiments of Ohio militia have been ordered to your department-two to Cumberland, three to Parkersburg, four to Charleston, three to New Creek, and three to Harper's Ferry. One also ordered to Gallipolis, to relieve your troops stationed there. Governor Boreman was authorized to retain the Fourth West Virginia Veterans, if still in the State, to guard the Baltimore and Ohio Railroad.

J. C. KELTON,

Assistant Adjutant-General.