...vessels, under command of Rear-Admiral Du Pont, had signally failed, after a sharp engagement lasting about one hour. [See p. 32.] The squadron carried 15-inch and 1-inch shell guns and 150-pounder Parrott rifles. Five of the iron-clads were reported by their respective commanders to be wholly or partly disabled in their power of inflicting injury by their guns. They had been under the concentrated...