INDEX OP SPECIES. 



95 



Plioatula 



penicillata, 38, 107, 199, 250, 

 0312,1' 155. 

 Folinices 



bifaaciata, 27, no, 152, 153. 



var. fasca, 9, no. 



Gallapagosa, 282, 284. 



intemerata, 337. 



lactea, 364. 



Otis, 24, 27, no, 282. 



ovum, 284. 



Panamensia, 337. 



perspieua, 102, 337. 



Recluziana, 27, 153. 



Salangonensis, 27, 193, 337. 



Tiber, 24, 37, no, 193, 261, 

 282, 337, 364, P 452. 



uuiniaoulata, 337. 



virginea, 337. 

 PolUa 



distorta, 268. 



hsemastoma, 177, 191, 236, 

 O 263, 269, P 517. 



insiguis, 29, 



soabra, 20. 

 Polydonta 



dentata, 321. 

 Polygyra 



aoutedentata, 157. 



contortuplioata, 294. 



polygyrella, 157. 



ventrosula, 157. 

 Polyplez 



gracilis, 6. 

 Polytropa 



iiux, P 484. 

 Pomatiopsis 



Biiiiieyi, 163. 

 Pomaulax 



uiidoius, 23, 27, 37, S3, 108, 137, 

 151, 192,0 199, 234,0240, 

 282, 283, 3i0, P 230, 

 V 224. 

 Pompholyx 



effusa, 120, 160. 



Poronia 



Petitiaua, 30, P 549. 



rubra, 6g, P 108. 

 Potamis \ 

 Potamidea > 



Californianus, 213. 



ebeninus, 48. 



fuscatus, U 206. 



Hegewisehii, 233, 295, P 345. 



Montagnei, 238, P 542. 



pnllatug, 79, 84, 283, 284. 



saoratus, 209, U 206, V 226. 

 Potamomya 



sequalis, 204, 280, 300. 



inflata, 204, 280, 300. 



trigonalis, 204, 280, 300. 

 Priene 



oancellata, 20, 170. 



nodosa, 24, 27, 152, 166. 



Oregonensis, 20, 25, 69, 92, 99, 

 147, 169 170, 322. 

 Prlstes 



oblongus, 97, 127. 

 Fropilidium 



aiioyloide, 19. 

 Psammobia 



Californioa, 119. 



casta, 23, 38, 202. 



decora, 124,0 195, 207, O231, 

 V 212. 



fusoa, 221. 



Kindermanni, 301. 



maxima, 49. 



olivacea, 74. 



Pacifica, 12, 38, 78, 126, 195, 

 301, 351, V 212. 



regularis, 104, 210. 



rubroradiata, 26, 49, 88, 124. 

 PsephU 



Lordi, 88, 97,' 127- 



salmonea, 25, 97, 127. 



tantilla, 22, 25, n8, 126, 165. 



tellimyalis, 127, 303. 

 Pseudobuccinum 



biliratum, 342. 



