a town of Brazil, province of Piauih, stands on the E. bank of the River Parnahiba, about 15 miles above its mouth, and 300 N. of Oeiras. It has broad unpaved streets. It is the only seaport in the province; but is not capable of admitting vessels of above 150 tons burden. Some trade is carried on in hides and cotton. The court-house and custom-house are the chief public buildings. Pop. of the district, about 10,000.

a river of Brazil, rises near the 10th degree of S. Lat., and flows northward to the Atlantic, separating the provinces of Piauih and Maranhao. Its whole length is more than 700 miles, for a great part of which it is navigable. It falls into the sea by several mouths, forming a delta about 5 miles broad. Its chief affluents are the Gor-guea from the E., and the Balsas from the W.