INDEX 



529 



Plenifi.'ifirrfr, 4.JI 



Plesinlritnii, /,.'/) 



Pleuruhrancliiicii, 431 ; jaw.s, 212 



Plenrobranchoidea, 431 



Pleurobranchus, 245, 428, 4^1 ; warning 



coloration, 73 ; jaws, 212 ; radula, 230 

 Plenrocera, 340, ^27 

 Pleuroceridae, origin, 17 

 Pleumdontd , 348 ; aperture, 63 

 Pleu/vlcura, 4^3 

 Pleuromya, 458 

 Pleurophorus, 451 

 PleurophyUidia, 433 ; breathing organs, 



159 ; radula, 230 

 Pleuropyrgus, 357 



Pkurotoma, 426, 4:26 ; slit, 263, 265 

 Pleurotomuria, 266, 373, 376,407,407; 



prices given for recent, 122 ; slit, 156 ; 



radula, 226 

 Plkatula, 450 



Pliny tlie elder, on use of snails, 118, 120 

 Plocamo2)he)-us, 434 

 Plochclaea, 425 

 Plutonia, 298, 440 

 Pneumoderma, 158, 437, 438 

 PoecUozonites, 352, 440 

 Poisonous bite of Conus, 65 ; poisonous 



oj'sters, 114 ; mussels, 117 

 Polyccra, 434 ; radula, 230 

 Polycerella, 434 

 Polyconites, 456 

 Pulydontes, 346-351, 347, 441 

 Polygona, 42 ^ 



Polygyru, 340, 345-353, 44I \ aperture, 63 

 PoiygynUia, 246, 263, 357, 442 

 Polymita, 346-351, 347, 44I 

 Polyplacopliora, 9, 40I f. ; radula, 228 

 Polytmnaria, 266, 407 

 Pomafia, 285, 293, 295, 44I 

 Pomatias, 288, 289, 292 f., 302, 413 

 PomaUopsis, 415 

 Povuiulax, 409 

 Pomi)holyx, 250, 341, 439 

 Ponsonhya, 332 

 PiYroniya, 459 ; liranchiae, 168 

 Porphyrohophr, 27, 356, 44.2 

 Position of Mollusca in Animal Kingdom, 4 

 Potamides, 16, 4IG 

 Potamomya, 15 

 Pofaviopyrgiis, 325, 326, 415 

 Poterioceratidae, 394 

 Praecardiuni, 4^9 

 Prasina, 449 



Prices given for rare shells, 121 

 Primitive mollusc, form of, 245 ; tvpes 



of, 7 

 Prisof/aster, 409 

 Prisiilomo, 341, 44O 

 Prohoscidella, 497, 504 

 Productidae, 497, 500, 504, 508 

 Prodiictns, 492, 501, 502, 504 ; strati- 

 graphical distribution, 508 



VOL. Ill 



Promachotcuthi.i, 389 



Proneomen i(( , 404 ; breathing organs, 154 ; 



nervous system, 203 ; radula, 229 

 Prophysaon, 341, 441 ; liabits, 44 

 Propilidium , 405 

 Proserpina, 21, 355, 4IO 

 J'roscrpiuellu, 354, 4IO 

 Proserpinidae, rehitionships, 21 

 Pi-osobranchiata, 9, 404 f- ; breathing 



organs, 154 

 Prosocoelus, 451 

 Protective coloration, 69 f. ; in snails, 70 ; 



in Nudibranchs, 71 f. ; in other Mol- 

 lusca, 74 

 Protegulum, 509 



Protobrauchiata, 44' ; branchiae, 166 

 Protoma, 417 

 Protreinata, 511 

 Provocator, 376, 4^5 

 Psammobia, 456 

 Pseudachatiua, 328-330, 443 

 Psendcdniuiidla, 452 

 PseiitlohaJen, 350 

 Pseudo-deltidium, 498, 511 

 Pseudodon, 295, 307, 452 

 Pseudolamellibranchiata, 167, 449 

 Pseudoliva, 4^4 

 Pseudomelania, 417 

 PseudomUax, 296, 44O 

 Pseudomurex, 423 

 Psaxbdopartvlu, 323 

 Pse udosub ulina, 440 

 Pteuoglossa, 224, 4II 

 Pterinaea, 449 

 Pteroceras, 256, 262, 4IS 

 Pteroctopus, 384 

 Pterocydus, 266, 267, 300, 316, 4I4 : 



tube, 157 

 Pferodonta, 4I8 

 Pteropoda, 7, 4'^4 ; breathing organs, 158 ; 



foot, 200 ; radula, 230 

 Pterotraclmea, 421; foot, 200; radula, 227 

 Ptychatractus, 4^4 

 Ptychoceras, 399 

 Ptyc/iixfrsma, 452 

 Piigiliiiii, 4 24 

 Puimonata, 10, 22, 151, 185, 4JS ; origin, 



17, 19 ; breathing organs, 160 ; nervous 



system, 203 

 Pulsellum, 444 

 Punctum, 441 

 PunctureUa, 265, 4O6 

 Pupa, 289, 296, 325-357, 442 ; P. cinerea, 



hybrid union, 129 

 Pupidae, radula, 233 

 PtqjUla, 44^ 

 Pupillaea, 4O6 



Ptipina, 157, 266, 309, 318-327, 414 

 PupineUa, 318, 414 

 Ptirpvra, 4^3 ; oj)erculum, 269 ; erosion, 



276 : P. coroniita, 367 ; lapillus, feeding 



on Mytiluf!, 60 ; on oysters. 111 ; pro- 



2 M ' 



