CASE 4.—T. T. Royal, prisoner of war; age 14; was admitted May 9, 1864, with inflammation of the tonsils. A chlorate of potash gargle was used and tincture of iron given every three hours. After a time the throat assumed a diphtheritic appearance, when cauterization was employed and stimulants administered. He died on the 25th. Post-mortem examination: The diphtheritic exudation extended as far as the glottis, which was ulcerated; the trachea was full of pus. The pericardium contained a quantity of serum.—Third Division Hospital, Alexandria, Va.