BARREDA, Gabino (bar-ray'-dah), Mexican physician, born in Puebla in February 1820; died in the city of Mexico in March 1881. In 1843 he became a medical student, and won special honors as such, and during the war with the United States lie entered the army as a captain, fighting in the battles and acting as surgeon afterward, lie was a pupil of Auguste Comte in Paris, returned to Mexico in 1851, and was graduated as an M. died In 1854 he won in competition the chair of medical philosophy, as assistant professor, and then that of natural history at the same school. He was elected a member of the House of Representatives in 1861, and again in 1867. The national preparatory school being established to unify the studies necessary to enter any of the professional schools, Barreda was appointed its director. He also filled its chair of natural history, and that of logic. This was the first time that positivist philosophy was taught in Mexico. The government also appointed him professor of general pathology when this branch was for the first time taught in the national school of medicine. For ten years he devoted himself to introducing his new philosophical teachings in opposition to the old doctrines, and he was for some time president of the "Sociedad Metoddfila." In 1878 he represented his government at the postal union conference in France, was also appointed minister to Germany. Most of his writings are to be found in the "Gaceta de Medicina de Mexico," to whose editorial staff he belonged; in the "Periddico de la Sociedad Humboldt ": in the "Periddico de la So-ciedad Metoddfila Gabino Barreda," and in other scientific journals. He separately published his "Carta al Sr. died Mariano Riva Palacio," in which are treated all subjects relating to public instruction, and a method for scientific education.