infantry for provost duty and twenty men as hospital attendants, to report to Colonel Allen, provost-marshal.

I have the honor to be, respectfully, your obedient servant,

EDWARD M. NEILL,

Captain and Assistant Adjutant-General.

[19.]

SPECIAL ORDERS,
HDQRS. THIRD CORPS, ARMY OF VIRGINIA, Numbers 10.
New Market, Md., September 13, 1862.

On the receipt of this order Hatch's division will march to the Monocacy and also Rickett's with the exception of one regiment, which he will leave at Ridgeville to hold that place.

By command of Major-General Hooker:

JOS. DICKINSON.

Assistant Adjutant-General.

[19.]

HEADQUARTERS OF THE ARMY,
Washington, September 13, 1862. (Received 4.30 p. M.)

Unless General Humphreys immediately leaves to take command of his division in the fieldl, he will be arrested for disobedience of orders.*

H. W. HALLECK,

General-in-Chief.

[19.]

[SEPTEMBER 13, 1862.]

General HUMPHREYS:

Please inform me where you will be to-night, if you can. Apply to Colonel McKeever, with General Heintzelman, to send you a squadron of the cavalry near him. There is some there which has been used for escort duty. I will try to communicate with you so soon as I once hear from you. March easy the first day.

F. J. PORTER,

Major-General, Commanding.

[19.]

HEADQUARTERS FIFTH ARMY CORPS,

On Road to Rockville, [September 13, 1862.]

Brigadier-General HUMPHREYS:

If you are on the road from Washington to Leesborough, General Porter and directs that you push on the turnpike to Brookeville, and

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*The envelope containing this communication is addressed "General A. A. Humphreys, 345 Nineteenth street."

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