private one lieutenant-colonel. Yesterday I got twenty-four in a charge made by Seventeenth Pennsylvania. Averell reports rebel cavalry at Williamsport, but no crossing of the river.

P. H. SHERIDAN,

Major-General.

HALLTOWN, VA., August 26, 1864-10.30 p.m.

(Received 11.40 a.m. 27th.)

Major-General AUGUR,

Department of Washington:

Your dispatch of 3 p.m. received. I am instructed by the major-general commanding to say that Gregg's cavalry should be sent to him (Gregg) at once. You will, with the cavalry that you have on hand belonging to your department, picket the river and send out scouting parties as you may deem best.

Very respectfully,

JAS. W. FORSYTH,

Lieutenant-Colonel and Chief of Staff.

P. S. - Crook's men brought in to-day the horses of eight of Mosby's men.

J. W. F.

HILTON HEAD, August 26, 1864.

(Via Fort Monroe 4 p.m. 28th. Received 11.20 p.m. 28th.)

Major-General HALLECK, Chief of Staff:

On the steamer Fulton I send the One hundred and fourth Pennsylvania Volunteers, 900 men, to Washington to report to you. The commanding officer has orders to reporty by telegraph from Fort Monroe, and then, unless otherwise ordered, to proceed to Alexandria and march thence to Washington.

Very respectfully, your obedient servant,

J. G. FOSTER,

Major-General.

[Indorsement.]

HEADQUARTERS OF THE ARMY,
August 29, 1864.

On its arrival this regiment will report to Major-General Augur for assignment to duty in the defenses.

By order of Major-General Halleck:

J. C. KELTON,

Assistant Adjutant-General.

HDQRS. DEPARTMENT OF WASHINGTON, 22ND ARMY CORPS,
August 26, 1864.

Major JOHN M. WAITE, Commanding at Muddy Branch:

Major Fry has been relieved from duty on the upper Potomac, with his detachment. You will leave no picket on the river. Your regimental camp must be left in charge of a squad of convalescents and dismounted men.

Very respectfully,

J. H. TAYLOR,

Chief of Staff and Assistant Adjutant-General.