Dos Alagoas, a province of Brazil, on the Atlantic coast, bounded N. and W. by Pernambu-co, and separated from Sergipe on the S. by the San Francisco river; area about 11,000 sq. m.; pop. about 300,000, of whom 50,000 are slaves. A considerable portion of its surface is covered with mountains, at the base of which the land is very fertile. The mountains afford large quantities of timber for export, and in the valleys cotton and sugar are cultivated. Tropical fruits of all kinds are grown in abundance, and dragon's blood, mastic, ipecacuanha, copaiba, caoutchouc, etc, are obtained in the woods. The climate is warm and humid, and in the rainy season oppressive. The population is very unequally distributed, the lowlands being most densely peopled. Some of the native tribes still live in the mountains, and subsist by the chase. The principal occupation of the people is agriculture. Porto Calvo is the capital; Macayo or Maceio the chief seaport. - Alagoas, the former capital, is situated on a lake opening into the ocean, 150 S. S. W. of Pernambuco; pop. about 12,000. There are several convents and grammar schools.