SEABRA, Vicente Coelho de (say-ah'-brah), Brazilian chemist, born in Minas Geraes in 1766; died in Lisbon, Portugal, in March, 1804. He was graduated at Coimbra in 1787, and, returning to his native country, took part in the conspiracy of Minas Geraes in 1788. He was banished to Portugal, where in 1789 he became corresponding mere-bet of the Academy of sciences of Lisbon, and in 1795 the University of Coimbra made him assistant professor of zoology, mineralogy, botany, and agriculture, tie wrote "Elementos de chimica" (2 vols., Lisbon, 1787);" Fermentacao em geral " (1788); " Calorico" (1789); "Memoria sobre a cul-tura do riccino ou da mamona em Portugal" (1794); and "Nomenclatura chimica Portugueza, Franceza e Latina," a work of great merit (1801).