DUVEYRIER, HENRI (184o-1892), French explorer of the Sahara, was born in Paris, and at the age of 19, having al ready learnt Arabic, began a journey in the northern parts of the Sahara which lasted nearly three years. In 1864 he published Exploration du Sahara: les Touareg du nord. After 187o he made several other journeys in the Sahara. He also examined the Algerian and Tunisian spats and explored the interior of western Tripoli. Duveyrier devoted special attention to the customs and speech of the Tuareg, and to the organization of the Senussi. In 1881 he published La Tunisie, and in 1884 La Con f rerie mussel mane de Sidi Mohammed Ben Ali-Es-Senousi et son domaine geographique.
See C. Maunoir and H. Schivmer, Sahara, Algerien et Tunisien, with a Biography of Duveyrier by C. Maunoir (1905) .