612 



INDEX. 



Pearl-mussel, 179. 

 Pearl-oyster, 49. 

 Pecten, eyes of, 187. 

 Pecten islandicus, 136. 



jacobaeus, 67. 



maximus, 38, 64, 306. 



opercularis, 29, 137, 306. 



Pectenides, 602. 

 Pectenibranches, 106, 274. 

 Pectens, 136 137. 

 Pedipes, 127, 130. 

 Pellibranchiata, 599. 

 Peloniadae, 604. 

 Peltocochlides, 549. 

 Periwinkle, 40. 

 PetricolidEe, 601. 

 Phallusia sulcata, 280. 

 Phaneropneumona, 561. 

 Phasionella, 131. 

 Philodromus liraacum, 380. 

 Phlebenterata, 596. 

 Pholadaria, 600. 

 Pholas, 153, 467. 



dactylus, 29, 248, 422. 



Phorus, 128, 164. 

 Phosphorax noctilucens, 247. 

 Phyllopoda, 566. 



Physa fontinalis, 1 34. 

 - heterostropha, 381. 



hypnorum, 376. 



Physse, 129. 



Phytiphages, 535. 



Phytophaga, 325, 351, 577, 580. 



Piedra de las ojos, 78. 



Pinna, structure of, 394. 



Pinnse, 68, 145, 303. 



Pinnotheres, 81. 



Pinnoteres, 303. 



Pisidium, 406. 



Piuri, 45. 



Placunae, 431. 



Planorbes, 129. 



Planorbis carinatus, 32. 



corneus, 242. 



Pleckocheilus, 463. 

 Pleurobranchiata, 588. 

 Pleurobranchus, 329. 

 Pleurotoraa virgo, 128. 

 Pneumobranches, 535. 

 Pneumonobranchiata, 561, 588. 

 Pneuraopoma, 548. 

 Pneumodermon, 271. 

 Pneumodermidse, 586. 

 Podophthalmi, 587. 

 Pogonopoda, 566. 

 Polybranchia, 564. 

 Polybranchiata, 544. 

 Polyclinum hesperium, 281. 

 Polymyaria, 599. 



Polype, 236. 

 Polyplacophora, 563. 



Polypus, 44, 317. 



Polythalamacea, 542. 



Pomatobranchiata, 553. 



Popel, 479. 



Productidse, 600. 



Proboscis, 30810. 



Prosobranch.es, 591. 



Psammobia aurantia, 135. 



Pterabranchia, 564. 



Pteropoda, 553, 585. 



Pteropods, 534, 580. 



Pteropodes, 7, 101, 104, 11418, 314. 



Pterosoma, 132. 



Pulmobranchiata, 543. 



Pulraones, 105. 



Pupa a vena, 177. 



pagodula, 130. 



purpurea, 410. 



secale, 177. 



Purple, Tyrian, 6975. 

 Purples, 307. 

 Purpura imbricata, 421. 



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

 353, 358. 



patula, 70, 244. 

 Purpurse, 306. 

 Pygobranchia, 564. 

 Pyrena terebrans, 291. 

 Pyrosoma atlanticura, 250. 

 Pyrosomze, 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. 

 Rissose, 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. 



Saxicavse, 422. 



Scalaria clathrus, 71, 234, 242. 



pretiosa, 479. 



Scallop, 67. 



Schismatobranchia, 563. 

 Scutibranches, 108. 

 Scutibranchia, 577. 

 Scutibranchiata, 545. 

 Scylkea pelagica, 18, 131. 



