Alfred Pleasonton to Major-General HUMPHREYS, August 10, 1863

August 10, 1863—8 a. m. Major-General HUMPHREYS, Chief of Staff:

GENERAL: The report from General Gregg, forwarded last night, is the latest received from him. General Kilpatrick reports all quiet along his picket line. A small squad of the enemy’s cavalry showed themselves on the Falmouth road below United Gentes Ford yesterday morning.

‘Two of Kilpatrick’s men in disguise went into one of Mosby’s rendezvous and found some 20 or 30 horses grazing. They made out they were Mosby’s men. I have sent out a sufficient party to capture the concern. A second report from Kilpatrick just in states th squad of rebel cavalry captured a messenger, took him to Dumfries, and there paroled him. e sends in 6 prisoners; 2 are deserters from the rebel army.

He (General Kilpatrick) further reports that scouts report that numbers of deserters from General King’s command, and the commands at Fairfax and Manasses, are joining Mosby for the purpose of plunder. It is thought some of Mosby’s men are in the comeens referred to, in the character of spies, influencing our men to

General Merritt reports no change in front of Colonel Devin, or in the immediate front, as regards the enemy. Colonel Huey reports no change or occurrence worthy of note.

Very respectfully,