SARAIVA, Matheus (sah-rah-ee'-vah), Brazilian physician, born in Rio Janeiro at the end of the 17th century' died there in 1761. He was graduated in medicine at the University of Coimbra, made a fellow of the Royal academy of London, and on his return to Brazil practised in Rio Janeiro, where he became famous for his charity. He wrote " Portugueza 6 Am6rica illustrada" (1750)" " A voz evangelica por Sao Thomaz," endeavoring to show that the apostle St. Thomas visited Brazil, and pretending to decipher sundry inscriptions and symbolical characters that he had met in the mountains of Itaquatiara in Minas Geraes (Rio Janeiro, 1752); "Polyanthea Phisocdsmica ou Moral, Politica, Instrucao Doutrinal e Histdrica," a work on the education of youth (1755) ; and "Poli-ant hea Brazilica m6dica histdrica," on endemic and epidemic diseases and their treatment (1757).