INDEX. 



481 



Phallusia, 337. 

 phanero-pneumona, 



174. 

 Phaueropthalmus, 



182. 

 Phanerotinus, 145. 

 Phasianella, 143. 

 Phasianema, 135. 

 Pharus, 315. 

 Philine, 184, 459. 

 Phihppia, 135, 462. 

 Philomycus, 168. 

 Philonexis, 68. 

 phlebeDterata, 197. 

 Pholadomya, 322. 

 Pholas, 328. 

 Phorus, 135. 

 Phos, 112. 

 Phosphorax, 167. 

 phosphorescence, 30. 

 Phragmoceras, 80,90, 

 phragmocone, 73. 

 Phyllidia, 188. 

 Phyllirhoa, 196. 

 PhyUoda, 310, 

 Phyllodesmium, 194. 

 PLysa, 171. 

 Physopsis, 171. 

 phytophaga, 455. 

 Pileolus, 141. 

 Pileopsis, 152. 

 Pinna, 38, 263. 

 pinnigene, 264. 

 PinnoctopuB, 67, 

 Pirena, 132, 455. 

 Pirenella, 128. 

 Pisania, 107. 

 Pisutn, 297. 

 Pisidium, 297. 

 Pitonillus, 177. 

 Placohranchus , 197. 

 Placuna, 256, 467, 

 Placunomia> 255. 

 Placunopsis, 256. 

 Plagioptychus, 288, 

 Plagiostoma, 258. 

 Planaxis, 114. 

 Planorbis, 41, 45. 

 Planorbula, 465. 

 Planulites, 94. 

 Platyceras, 153. 

 Platyodon, 317, 375, 

 Platyschisma, 145. 

 Platystoma, 462. 



Platystrophia, 229. 

 Plaxiphora, 157. 

 Plectostylus, 405. 

 Plect7-ophorus, 168. 

 pleurae, 27. 

 Pleurobranchaea, 187. 

 Pleurobranchidium, 



187. 

 Pleurobranchus, 187. 

 Pleurodon, 269. 

 Pleuromya, 322. 

 Pleurophyllidia, 188. 

 Pleuropus, 195, 205. 

 Pleurorhynchus, 292. 

 Pleurotoma, 118. 

 Pleurotomaria, 147, 

 Plicatula, 259, 468. 

 Plocamophorus, 192. 

 Pneumodemion, 208. 

 pneumo-skeleton , 35. 

 Pododesmus, 255. 

 Podopsis, 2-59. 

 Polia, 315. 

 Polinices, 123, 

 Pollia, 107. 

 Polycera, 191. 

 Polyclinum, 342. 

 Polycyclus, 341. 

 Polydonta, 173. 

 Polygyra, 162. 

 Polyphemus, 165. 

 poly-thalamous, 77. 

 Polytremaria, 147. 

 Polyzona, 342. 

 Pomatias, 176. 

 pomato- branch. 179, 

 Pomus, 139. 

 pond-snail, 11, 170. 

 Pontolimax, 197. 

 Porambonites, 227. 

 Porcellana, 120. 

 porcellanous, 39. 

 Porcellia, 201, 

 Poromya, 319. 

 Poronia, 294. 

 portal-heart, 190, 

 Posidoida, 262, 

 Posidonomya, 262. 

 Posterobrancheea, 



187. 

 Potamides, 128. 

 Potamomya, 318. 

 Potamophila, 314. 

 Poterioceras, 90. 



poulpe, 67. 

 Priamns, 111, 

 Prisodon, 274, 

 Producta, 233, 

 Pronit.es, 230. 

 Pronoe, 302. 

 propodium, 198. 

 Proserpina, 160. 

 prosobranchiata,103. 

 Proto, 132. 

 Protocardium, 292. 

 Psammobia, 31 1,472. 

 Psammocola, 311. 

 Psammosolen, 316. 

 Psammotea, 310, 311. 

 Pseud-achatina, 390. 

 Pseudo-crania, 236. 

 Pseudoliva, 111. 

 pseudomorphous, 40. 

 Psiloceras, 191. 

 Psyche, 206. 

 Pterinea, 262. 

 Pteroceras, 105. 

 Pterochilus, 195. 

 Pterocyclus, 177. 

 Pteronites, 262. 

 Pteroperna, 261. 

 pteropoda, 7, 202. 

 Pterotracha'a, 199. 

 Ptychina, 293. 

 Ptychoceras,96. 

 Ptychomya, 299. 

 Ptygmatis, 129. 

 Pugiuncuhis ,205. 

 pulmonifera, 32, 159. 

 PuUastra, 306. 

 PuMnites, 263. 

 Pu7ictureUa, 150. 

 Pupa, 165. 

 Pupillia, 150. 

 Pupina, 177. 

 PupineUa, 177. 

 Purpura, 113. 

 Purpurina, 113. 

 Pusionella, 109. 

 Pycnodonta, 254. 

 Pygope, 215. 

 Pyramidella, 125. 

 Pyrrt?His,126,144,302 

 Pyrazus, 128. 

 Pyrella, 109. 

 Pyrgula, 131. 

 Pyrosoma, 343. 

 Pyrula, 109. 



Pythina, 295. 

 Pyura, 341. 



quinary, 58. 

 Quoyia, 114. 



races, 57. 

 rachiglossa, 450. 

 rachis, 27. 

 Radiolites, 285, 

 Eadsia, 157. 

 Eanella, 107. 

 Rangia, 308, 

 Eapana, 109, 366. 

 Eaphistoma, 147,463. 

 Razor-fish, 15, 315. 

 Realia, 176. 

 Eecluzia, 463. 

 Itedoma,^l\. 

 renal, 29. 

 Eeniella, 261. 

 representation, 56. 

 reproduction, 49. 

 Requienia, 279. 

 Eesania, 486. 

 respiration, 31. 

 retina, 22. 

 retractor, 26, 211. 

 Retzia,224. 

 reversed shells, 46. 

 Ehegostoma, 177. 

 Rhinodovms, 112. 

 Ehizochilus, 461. 

 Rhizorus, 183. 

 Ehodope, 465. 

 Rhodostoma, 173. 

 Rhoniboidcs, 320. 

 RhopaJcea, 339. 

 rhyucholites,81. 

 Rhynchomya, 321. 

 Ehynchonella, 8, 226. 

 Rhynchora, 217. 

 Rhynchoteuthis, 81. 

 Eilieiria, 472. 

 Eicinula, 114. 

 Eimula, 150. 

 Riniularia, 151. 

 Ringicula, 112, 181 

 . Ringinella, 180. 

 ripidoglossa, 458. 

 Eisella, 135,457. 

 Eissoa, 136. 

 Rissoella, 137. 

 Rissoina, 137. 



