GENERAL ORDERS,
HDQRS. DEFENSES OF WASHINGTON, Numbers 1.
Washington, August 20, 1862.

I. In virtue of Special Orders, Numbers 196, from the Headquarters of the Army, dated at Washington, August 19, 1862, Brigadier General, J. G. Barnard assumes the command of the fortifications of Washington and troops assigned to the defenses.

II. The fortifications and troops on the south side of the Potomac will remain under the immediate command of Brigadier General A. W. Whipple; those on the north side under charge of Lieutenant-Colonel Haskin, aide-de-camp, through whom all orders will be transmitted and to whom commanding officers will make their usual reports.

III. Captain J. Brice Smith is announced as assistant adjutant-general to this command, and Lieutenant T. M. Farrell, Fifteenth New York Volunteers, as aide-de-camp to the general commanding.

J. G. BARNARD,

Brigadier-General, Commanding Defenses of Washington.

[12.]

HEADQUARTERS ARMY OF THE POTOMAC,
August 21, 1862.

Lieutenant Colonel B. S. ALEXANDER, Yorktown:

General Keyes has been instructed to confer with you, and to furnish the necessary working parties to carry out your views with regard to the defense of Yorktown. He has also been instructed to send a brigade of infantry to Williamsburg for a few days to cover this work, General Keyes to take the general command and control of these operations. As soon as you have set the work going repair here in person, leaving Lieutenant McAlester at Yorktown for the present to superintend it.

R. B. MARCY,

Chief of Staff.

[11.]

SPECIAL ORDERS,
HEADQUARTERS FOURTH CORPS, Numbers 100.
August 21, 1862.

I. Two regiments of Emory's brigade, Peck's division, will be placed temporarily in garrison at Yorktown. Brigadier-General Wmory will take post in Yorktown, and will report as usual to his division commander in all matters relating to the duties at Yorktown and Gloucester Point, which will be considered under General Emory's immediate command. He will report to the corps commander through Major-General Peck.

* * * *

By command of Major-General Keyes:

OSWALD JACKSON,
Aide-de-Camp.

General Emory will at once designate the regiments and proceed to Yorktown without delay.

[11.]

HDQRS. FIRST AND SECOND DIVS., NINTH ARMY CORPS,
August 21, 1862.

Colonel JAMES NAGLE:

COLONEL: You will order your troopsto be ready to move and report in person at these headquarters at once. The camps will not