612 



INDEX. 



Pearl-mussel, 179. 

 Pearl-oyster, 4!). 

 Pecten, eyes of, 187. 

 Pecten islandicus, 136". 



jacobffius, 67. 



■ — inaxinuis, 38, 64, 306. 



opercularis, 29, 137, 306. 



Pectenides, 602. 

 Pectenibranches, 106, 274. 

 Pectens, 136—137. 

 Pedipes, 127, 130. 

 Pellibranchiata, 599. 

 Peloniadse, 604. 

 Peltocochlides, 549. 

 Periwinkle, 40. 

 Petricolidte, 601. 

 Phallusia sulcata, 280. 

 Phaneropneuniona, 561. 

 Phasionella, 131. 

 Philodromiis limacum, 380. 

 Phlebenterata, 596. 

 Pholadaria, 600. 

 Pholas, 153, 467. 



dactylus, 29, 248, 422. 



Phorus, 128, 164. 

 Phosphorax noctilucens, 247. 

 Phyllopoda, 566. 



Physa fontiiialis, 1 34, 



heterostropha , 381. 



hypnorum, 376. 



Physae, 129. 

 Phytiphages, 535. 

 Pliytophaga, 325, 351, 577, 580. 

 Piedra de las ojos, 78. 



Pinna, structure of, 394. 

 Pinnae, 68, 145, 303. 

 Pinnotheres, 81. 

 Pinnoteresj 303. 

 Pisidium, 406. 

 Piuri, 45. 

 Placunte, 431. 

 Planorbes, 129. 

 Planorbis carinatus, 32. 



corneus, 242. 



Pleckocheilus, 463. 

 Pleurobranchiata, 588. 

 Pleurobranchus, 329. 

 Pleurotoma virgo, 128. 

 Pneumobranches, 535. 

 Pneumonobranchiata, 561, 588. 

 Pneumopoma, 548. 

 Pneumodermon, 271. 

 Pneumodermida;, 586. 

 Podophtbalmi, 587. 

 Pogonopoda, 566. 

 Polybranchia, 564. 

 Polybranchiata, 544. 

 Polyclinuni hesperium, 281. 

 Polymyaria, 599. 

 Polype, 236. 

 Polyplacopliora, 563. 



Polypus, 44, 317. 



Polythalamacea, 542. 



Pomatobranchiata, 553. 



Popel, 479. 



Productida3, 600. 



Proboscis, 308—10. 



Prosobrancbes, 591. 



Psanimobia aurantia, 135. 



Pterabranchia, 564. 



Pteropoda, 553, 585. 



Pteropods, 534, 580. 



Pteropodes, 7, 101, 104, 114—18, 314. 



Pterosoma, 132. 



Pulmobranchiata, 543. 



Pulmones, 105. 



Pupa avena, 177. 



pagodula, 130. 



purpurea, 410. 



secale, 177. 



Purple, Tyrian, 69 — 75. 



Purples, 307. 



Purpura imbricata, 421. 



Purpura lapillus, 70, 73, 199, 243, 310, 

 353, 358. 



patula, 70, 244. 



Purpuras, 306. 

 Pygobrancbia, 564. 

 Pyrena terebrans, 291. 

 Pyrosoma atlanticum, 250. 

 Pyrosomse, 125, 249. 

 Pyrula bezoar, 440. 



bucephala, 436. 



canaliculata, 357. 



Racoon, 25. 

 Ranella, 400. 

 Rangia cyrenoides, 96. 

 Rat, 25. 



Razor-fish, 38, 247. 

 Rissoa parva, 134. 

 Rissoaj, 129. 

 Rock Pigeon, 28. 

 Rostellaria, 128, 407. 



curvirostris, 407. 



Rudista, 546. 

 Rudistes, 396, 602. 



Saccophora, 565. 



Salpse, 110, 125, 249, 282, 343, 345, 



377. 

 Saxicava prsecisa, 157. 



rugosa, 155. 



Saxicavae, 422. 



Scalaria clathrus, 71, 234, 242. 



pretiosa, 479. 



Scallop, 67. 



Schismatobranchia, 563. 

 Scutibranches, 108. 

 Scutibranchia, 577. 

 Scutibrancliiata, 545. 

 Scyllcea pelagica, 18, 131. 



