AMMEN, Daniel, naval officer, born in Ohio, 15 May 1820. He was appointed midshipman 7 July 1836, and served as passed midshipman in the Wilkes exploring expedition, in the Mediterranean, in the East India squadron, and on the coast survey. As lieutenant (from 4 November 1849) he was attached to a commission to select a naval station on the Pacific coast, accompanied the expedition to Paraguay River in 1853-'54, and was on the steam frigate "Merrimac" in 1859-'60. In 1861, at the outbreak of the civil war, he was executive officer of the North Atlantic blockading squadron. At the reduction of Port Royal, 7 November 1861, he commanded the "Seneca," and was sent ashore to hoist the flag over the surrendered forts, and hold them till the army took possession. He was promoted to be commander 21 February 1863, was assigned to the monitor " Patapsco," and participated in the attack on Fort Macallister, 3 March 1863. In May 1864, he was dispatched to the Pacific in command of 220 seamen as passengers on board a California steamer. Two days out from New York a well-organized attempt at mutiny was suppressed by Commander Ammen and Boatswain Bell, aided by Captain Tinklepaugh, of the steamer, and a few volunteers from among the passengers. He participated in the two attacks on Fort Fisher in the winter of 1864-'65, was commissioned captain 26 July 1866, and was on special and sea service until 11 December 1877, when he was made rear-admiral and was placed on the retired list after 49 years and 6 months of service. He is the author of "The Atlantic Coast," a volume in the series entitled "The Navy in the Civil War" (New York, 1883).