British admiral, born in London in 1814. He entered the navy in 1826; served against Portugal in 1827; was with James Ross in the Arctic expedition of 1835; became commander in 1840 and cruised in the Mediterranean. As captain, he was one of the government relief committee during the Irish famine of 1846, and in 1850 went with Austin on the Franklin expedition relief. On this expedition he made valuable explorations. He was deputy controller of the British coast guard until 1854, when he was assigned to the command of the White Sea squadron in the war with Russia. He was promoted rear-admiral in 1864, and knighted. He soon retired from service and devoted himself to astronomical study. He was a member of different parties which went to Upper Egypt to observe the eclipse of the sun, and the transit of Venus.