52 The Williams Collection of Shells 



pica, Ad. and Reeve var. Moluccas 



pictus, Reeve. Natal 



planorbis, Born. Society Is. 



pigmentatus, Ad. and Reeve. Japan 



pontificalis, Lam. Australia 



pontificalis, Lam. var. Australia 



portoricanus, Hwass. Porto Rico, Mexico 



praetextus, Reeve. Marquesas Is. 



princeps, Linn. Panama 



princeps, Linn. var. regius, Chem. 



proelatus, Hwass. Moluccas 



prometheus, Hwass. West Africa 



prometheus, Hwass large var. West Africa 



propinquus, Smith. Mauritius 



proteus, Hwass. West Indies 



pseudomarmoreus, Duel. New Caledonia 



pulchellus, Swain. Mauritius 



pulicarius, Hwass. Viti Is., New Guinea 



punctatus, Sowb. Bombay 



puncticulatus, Hwass. Chili, West Indies 



puncticulatus, var. papillosus, Reeve. W. Columbia 



puncticulatus, var. pygmaeus, Reeve. West Indies 



purpurascens, Brod. Panama 



purpurascens, Brod. var. puzonicus, Sowb. Panama 



pusillus, Chem. 



pusio, Sowb. West Indies 



pyriformis, Reeve. Panama 



pygmaeus, Reeve var. West Indies 



quercinus, Hwass. India, Hawaii 

 quercinus, Hwass var. ponderosus, Beck 



