Meanwhile what had the Confederates been doing in naval matters? When the Norfolk navy-yard was abandoned in April, 1861, the fine old frigate Merrimac was scuttled. She was raised by the Davis Government and converted into an ironclad ram--a novelty in those days. The hull was cut down to the water's edge, and a stout roof, 170 feet long, with sloping sides and a flat top, built amidships and plated with four inches of iron. This roof was pierced for ten guns--four rifles and six nine-inch smooth-bores. On March 8, 1862, the Union fleet, consisting of the Cumberland, Congress, Minnesota, and some smaller craft, rode lazily at anchor in Hampton Roads. About noon a curious looking structure was seen coming down Elizabeth River. It was the Merrimac. She steered straight for the Cumberland. The latter poured in a broadside from her heavy ten-inch guns, but the balls glanced off the ram's sloping iron sides like peas. The Merrimac's iron beak crashed into the Cumberland's side, making a great hole. In a few minutes the old warsloop, working her guns to the water's edge, went down in fifty-four feet of water, 120 sick and wounded sinking with her. [Illustration: Sea battle a close quarters.] The Sinking of the Frigate Cumberland by the Merrimac in Hampton Roads, March 8, 1862. The Congress had meanwhile been run aground. The Merrimac fired hot shot, setting her afire. Nearly half the crew being killed or wounded, she surrendered, her magazine exploding and blowing her up at midnight. The Minnesota, hastening up with two other vessels from Fortress Monroe to aid her sisters, had run aground. Being of heavy draught, the Merrimac could not get near enough to do her much damage, and at nightfall steamed back to her landing. As the telegraph that night flashed over the land the news of the Merrimac's victory, dismay filled the North, exultation the South. What was to stay the career of the invulnerable monster? Could it not destroy the whole United States navy of wooden ships? Next morning the Merrimac reappeared to complete her work of destruction. As she drew near the stranded Minnesota, a strange little craft moved out from the side of the big frigate and headed straight for the iron-clad. It was Ericsson's Monitor, which had arrived from New York at midnight. The Confederate characterization of it as a "cheese-box on a raft" is still the best description of its appearance. Its lower hull, 122 feet long and 34 wide, was protected by a raft-like overhanging upper hull, 172 feet long and 41 wide. Midway upon her low deck, which rose only a foot above the water, stood a revolving turret 21 feet in diameter and nine in height. It was made of iron eight inches thick, and bore two eleven-inch guns throwing each a 180-pound ball. Near the bow rose the pilot-house, made of iron logs nine inches by twelve in thickness. The side armor of the hull was five inches thick, and the deck was covered with heavy iron plates.