Porto Rico, island, W. Indies. 17N. 65W. Discovered by Columbus, 1493; explored by Ponce de Leon, 1508; unsuccessful attack on by Drake and Hawkins, and death of the latter off, 1595; unsuccessful attack on by Abercrombie, 1797; revolt in, 1820; ceded to U.S. 1898.
Port Pheasant, Gulf of Darien. 9N. 77W. So named by Drake.
Port Royal, see [Annapolis].
[Port Royal], Jamaica. 17N. 76W. Successive destruction of the town by earthquake and hurricane caused the commercial capital to be moved to Kingston.
Port Royal Island, S. Carolina. 32N. 80W. Huguenot colony settled on by Ribault, and soon after deserted, 1562; settlement on by Lord Cardross, who a few years afterwards was dislodged by Spaniards, 1686.
Port Royal Sound, S. Carolina. 32N. 80W. Confederate posts taken, 1861 (Civil W.).
[Portsmouth], N. Hampshire. 41N. 70W. Bp. T. B. Aldrich, poet and prose writer (1836-1906).
[Potomac], river, Virginia and Maryland. 38N. 76W. Explored by John Smith, 1608.
[Potosi], Bolivia, S.A. 19S. 65W. Silver mines discovered by an Indian, 1545; exploited by Spaniards in 16th century.
Prairie Grove, Arkansas. 35N. 93W. Confederates forced to retreat, 1862 (Civil W.).