...his brigade, the Twenty-first Massachusetts, Lieut.-Col. Clark, and Fifty-first Pennsylvania, Col. Hartranft, which embarked on the army transports Northerner, Admiral, Pilot Boy, and Ocean Wave, for Roanoke Island , in convoy of the flag-ship Philadelphia, Com. Rowan, and the war-steamers Delaware, Lieut. Commanding S. P. Quackenbush, and the Picket, Capt. Ives, arriving at Roanoke Island on the evening of the ...