Index and Glossary- 



Pen shell, noble, 401 



Oldroyd's, 402 



Philippine, 402 



prickly, 401 



rough, 401 



rude, 402 

 Pen Shells, The, 401 

 Periostracura : epidermal covering of the 



living shell, 61 

 Periploma discus, 328 



Leana, 328 



papyracea, 328 



planiscula, 328 

 Periwinkle, checkered, 176 



common, 175 



gray, 176 



pagoda, 176 



roiigh, 176 



shore, 174 



zigzag, 176 

 Periwinkles, The, 174 

 Pernas, The, 398 

 Perna epkippiutn, 398 



isognonum, 399 



legumen, 399 



marsufdum, 398 



vespertilio, 399 

 Petricola carditotdes, 345 



Pholadiformis, 345 

 Petricolidce, 345 

 Phacoides, 367 

 Phasianelia affinis, 208 



australis, 207 



compta, 208 



pulla, 207 



tenuis, 208 



tessellata, 208 



uwbilicata, 208 

 PhasianellidtB, 207 

 Pheasant Shells, The, 207 

 PholadidtBy 315 

 Pholas CaUfornica, 316 



costata, 316 



Pacifica, 316 



truncata, 316 

 Phyllonotus, sub-genus, 33 

 Physa, 13, 293 

 Physa amimllacea, 294 



ancillaria, 294 



gyrina, 294 



»3'i'M(?7'w?K, 294 



microstoma. 294 

 Piddock, California, 316 



paper, 317 



rough, 316 



truncated, 316 



wood, 317 

 PiDDOCKS, The, 31S 

 Pinna Maura, 40a 



TWMr^caia, 401 



«*gra, 402 



nobilis, 401, 403 



OldroydH, 402 



Philippinensis, 40 a 



rudis, 40 z 



r«gosa, 402 

 _ 5«wt»«do, 401 

 PinnidcB, 401 

 Pinnotheres strombi, 1 20 

 Pisidium abditum, 355 

 Placenta placenta, 422 



5e/io, 422 

 Placunqnomia macrockisma, 421 

 PlacunidcB, 422 

 Plaited Shells, The, 406 

 Planorbis, bicarinatus, 29s 



campanulatus, 295 



trivolvis, 13, 29s 

 Platyodon cancellatus, 325 

 Pkurohema Msopus, 375 

 Pleurocera, sub-genus, 188 



Pleurodonte gigantea, 267 

 Jamaicensis, 267 

 i'tMJtaia, 266 

 Pleuroioma^ CarpenterianOt 107 

 circinata, 108 

 ^randisy 107 

 iMcwo, 108 

 inermis, loS 

 OTt^^to, 109 

 perversa, 108 

 torosa, 109 

 z/«»(75a, loS' 

 wVgo, 107 

 Pleurotomaria Adansoniana, 221 



Beyrichi, 221 

 Quoyana, 221 

 PleurotomariidcB, 221 

 PleurotofnidcB, io7_ 

 Plicatula Mantelli, 406 



raMJOia, 406 

 Pod Shells, The, 168 

 Polygyra abollabris, 270 



Chiricahuana, 270 



devia, 270 



Townsendiana, 270 

 Polygyrella polygyrella, 266 

 Polymita p%cta, 265 

 POLYPLACOPHORA (Order), 337 

 Polypus, 445 



w«ao5«w, 211 

 Pomatiopsis CaUfornica, 192 



lapidaria, 192 

 Pomaulox inequale, 211 

 Pompano shells, 343 

 Pond Snails, TTie, 195, 290 

 Pond -weed, 12 

 Posterior, defined, 20 

 Potamides pulustris, 181 



5i3i:rafa, j8i 



Telescopium, 181 

 Poiainogeton aensum, 1 2 

 Pouch snail, jug, 294 



tadpole, 294 

 Pouch Snails, Tlie, 293 

 Protective colouration, 44, 125, 161, 191 

 Protective mimicry, 250, 272 

 Psawwo6*a CaUfornica, 344 

 Pterocera bryonia, 121 

 Pteronotus, sub-genus, 30 

 PTEROPODA, 241 

 Pupa, 280 

 Pupidce, 280 

 Pupilla, armifera, 280 

 Pupillidce, 280 

 Purple, chocolate, 43 



Florida, 45 



grooved, 46 



open-mouthed, 43 



princely, 43 



rock, 44, 46 



wrinkled, 46 

 Purples, The, 42 

 Purpura, 42 

 Purpura chocolatum, 43 



consul, 43 



crispata, 46 



Floridana, 45 



gigantea, 43 



Japillus, 44 



/ima, 46 



fatula, 43 

 'ersica, 43 

 saxicola, 44, 46 

 PuRPURiN^, sub-family, 42 

 Pyramid Shells, The, 172 

 Pyramid snail, alternate, 264 

 moiuitain, 264 

 streaked, 264 

 Pyrantidella conica, 172 

 PyramidellidtB, 172 

 Pyramidula alternata, 264 



476 



