...General Walker, whose headquarters were at Alexandria. The following officers are prisoners: Captains Stevens, Morran, Wise, Wright, Laird, and King; Lieutenants Denson, Fuller, Fogarty, Claydon, Trumbull , (Eng.,) Burbank, Hewey, Assenheimer, Fall, Hauk, Ball, Little, Barksdale, Spinks, Bringhurst, and Stout. From various sources we gather that the rebels here have about abandoned the idea of defe...