...ut one fourth of a mile in their rear. Our cavalry followed rapidly, and in these woods the first severe skirmish occurred, in which we speedily lost one of the most valued officers of the command, Col. B. F. Davis , of the Eighth New-York cavalry, and Captain in the First regular cavalry, and the same gallant officer who led the gallant charge out of Harper's Ferry last fall, and captured Longstreet's ammunitio...