August 20.—Acting Brigadier-General B. F. Onderdonk, First New-York Mounted Rifles, and two companies of the Eleventh Pennsylvania cavalry, returned to Portsmouth, Va., from a raid into North-Carolina. They passed through Edenton, N. C., and opened communication with Captain Roberts, in command at South-Mills. Thence they proceeded to Pasquotank and Hertford, and while about half-way between the two places, were attacked by the guerrillas, and in the skirmish lost two mounted riflemen. They killed thirty guerrillas, and drove several into the Dismal Swamp, where they were drowned; captured ninety horses, thirty mules, and other cattle.— (Doc. 159.)
—Colonel Wilder’s cavalry, the advance of the army of the Cumberland, reached the eastern base of Waldon’s Ridge, en route to Chattanooga.—General Beauregard, at Charleston, S. C., issued an order relative to the observation of fast-day, appointed by Jefferson Davis.
