Colonel G. H. THOMAS,

Second Cavalry, Carlisle, Pa.:

General Patterson directs you to march at once to Chambersburg and report to commanding officer. If troops are at Hagerstown, go there.

F. J. PORTER,

Assistant Adjutant-General.

[2.]

SPECIAL ORDERS,
HEADQUARTERS OF THE ARMY Numbers 93 2/4.
Washington, D. C., May 29, 1861.

I. Brevet Lieutenant-Colonel Heintzelman, U. S. Army, will return to this city and report for duty to General Mansfield.

* * *

III. Asst. Surg. D. L. Magruder having been designated as medical director to the command of Brigadier-General McDowell, will report accordingly as soon as he is relieved in his present duties.

By command of Lieutenant-General Scott:

E. D. TOWNSEND,
Assistant Adjutant-general.

[2.]

HEADQUARTERS DEPARTMENT OF PENNSYLVANIA,
Philadelphia, Pa., May 30, 1861.

Colonel E. D. TOWNSEND,

Asst. Adjt. General, Hdqrs. of the Army, Washington City:

SIR: On the morning of the 2nd proximo I shall leave for Chambersburg, where my headquarters will be located till the troops are in advance of Hagerstown. By that date will be encamped at Chambersburg ready to advance six, perhaps seven, regiments from this State, three or four awaiting accounterments, and the two New York regiments. Four more regiments will be in motion to the same place. I am assured accounterments for the other regiments will be provided at the time promised, and pressed forward as rapidly s received. If, as I anticipate, the movement be made I shall at once throw the regiments beyond Hagerstown, establish a cam stretching toward Clear Spring, threaten Harper's Ferry, and, while holding the force ready to acyt instantly as circumstances shall develop, prepare a force to move toward Cumberland.

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

R. PATTERSON,

Major-General, Commanding.

9 p. m. - The New York regiments passed Harrisburg last night.

[2.]

HEADQUARTERS DEPARTMENT OF THE OHIO,
Cincinnati, May 30, 1861.

Colonel E. D. TOWNSEND,

Assistant Adjutant-General:

COLONEL: I have the honor to inclose herewith copies of my instructions to General Morris (a graduate of West Point), to Colonel Kelley, and Captain Benham. I trust that the precautions I have taken in