... center and left up the Brandy Station road and took post on an eminence at Beckham's house, where his command was reinforced by a squadron from the Fourth Virginia, sent by General Stuart and led by Capt. W. D. Farley of his staff. While holding this position a shell from one of the enemy's batteries passed through Colonel Butler's horse, shattered his leg below the knee, and mortally wounded the gallant Farley....