LAGOS, Manoel Ferreira (lah'-gos), Brazilian writer, born in Rio Janeiro in 1816; died there, 23 October, 1867. He studied in his native city, but refused to write the required thesis, and could not be graduated. In 1839 he began to write for the journal of the "Instituto geographico Brazileiro," and in 1845 he was appointed secretary of that body. In 1852 he was elected vice president of a scientific commission to the north of the empire, and on his return he gave lectures, exposing the falsehoods of many that had written about that part of the country. He was then appointed chief clerk of the secretary of state, in 1854 became keeper of the National library, and the same year established the sections of zoology and comparative anatomy in the National institute. He was appointed representative of Brazil at the Paris exposition of 1867. Besides writing for the journal of the "Instituto geographico Brazileiro," he contributed to the official gazette and several other papers, and wrote many important works, the manuscripts of which were purchased by the government of Brazil.