its relation to Persia, ix. 401 sqq.

Purity, ceremonial, observed by incense-gatherers in ancient Arabia, ii. 106 sq.;

observed in war, iii. 157.

See also [Chastity] and [Continence]

Purple loosestrife (Lythrum salicaria) gathered at Midsummer, xi. 65

Purra or poro, secret society in Sierra Leone, xi. 260 sq.

Puruha, a province of Quito, sacrifice of first-born children among the Indians of, iv. 185

Pururavas and Urvasi, ancient Indian story of, ii. 250, iv. 131