An indefinite group, of Choctaw lineage, formerly living on L. Ponchartrain, about the coast lagoons, and on the Mississippi, in Louisiana. Early French writers derived the name from the Choctaw haklo pisa, 'those who listen and see.' The name appears to have been made by early authors to include several tribes, Bayogoula, Mugulasha, and others. According to Iberville the Acolapissa had 7 towns, but one of their villages was occupied by the Tangiboa, who appear to have been a different tribe. The Acolapissa are saide to have suffered severly from an epidemic about 1700, and Iberville says they united with the Mugulasha; if so, they must have been included in those massacred by the Bayogoula, but this is rendered doubtful by the statement of Penicaut (French, Hist. Coll. La., n. s., 1, 144, 1869) that in 1718 the Colapissa, who inhatibed the N. shore of L. Ponchartrain, removed to the Mississippi and settled 13 leagues above New Orleans. (C. T.)
Source: Handbook of American Indians North of Mexico, Frederick Webb Hodge, 1907.