TURPIN, Louis Georges Francois, French naval officer, born in Nantes, 20 July, 1790; died in Toulon, 7 October, 1848. He entered the navy as a cabin-boy when ten years old, was promoted midshipman in 1808, lieutenant in 1812, and in 1820-'2 performed three remarkable voyages to the Windward islands and Brazil, making valuable astronomical observations and preparing charts of the Gulf of Mexico and the South American coast, which are preserved in the archives of the navy department at Paris. In 1822-'3 he participated as 1st lieutenant in the expedition around the world under Bougainville, a grandson of the noted navigator, and he afterward commanded a sloop-of-war in the battle of Navarin. He became captain in 1831 and commodore in 1837, and was second commander in 1838 under Baudin of the expedition to Mexico. taking pare in the capture of San Juan de Ulua, 28 November, 1838. He was promoted rear-admiral, 5 February, 1843, and was afterward naval prefect of Toulon.