Aleide Dessalilines D', a French naturalist, born at Coueron, Loire-Inferieure, Sept. 6, 1802, died at Pierrefitte, near Paris, June 30, 1857. He was educated at La Ro-chelle, and in 1826 he was sent by the government to South America, which he explored for eight years, from Brazil and Peru to Patagonia. He collected many valuable historical manuscripts, 36 vocabularies of American languages, 7,000 species of animals, a large portion of which were entirely new, and 2,500 species of plants. He published Voyage dans l'Ame-riqae du Sud (9 vols. 4to, 1834-'52), Paléon-tologie fraiigaise (14 vols., 1840-'54), and other important works on natural history and on palaeontology, on which he lectured in the museum of natural history from 1836 to 1853.
Charles Dessalines D', a French geologist, brother of the preceding, born at Coueron, Dec. 2, 1806. For the past 40 years he has been attached to the museum of natural history in Paris, and he has edited, in conjunction with others, the Dictionnaire universel d'histoire naturelle (24 vols., Paris, 1839-'49; abridged ed., 2 vols., 1844). Several of his other works relate to geology.