CASE 157.—Corporal Cyrus B. Clark, Co. B, 15th Vt.; admitted Dec. 14, 1862, with continued fever; died 21st. Post-mortem examination: Peyer's glands were ulcerated and one of the ulcers had perforated. There was general peritonitis and a large quantity of serum in the abdominal cavity. The recti muscles, in their lower third, contained much extravasated blood.—Third Division Hospital, Alexandria, Va.