416 



CALIFORNIA ACADEMY OF SCIENCES. 



Pholas concamerala 184 



conradi 184 



crispata 183 



prnifa 184 

 Phorcus 84, 328 



magus 328 



pulligo 25, 44, 84, 328 

 Phyllonoius paucivaricata 246 

 Physa 78, 196 



fontinalis 196 



heterostropha 22, 23, 44, 78, 196 

 Physidse 78, 196 

 Pisania 79, 227 



fortis 24, 28, 44, 56, 63, 79, 227 



pusio 227 

 Pisces 28, 47, 85, 346 

 Placunanomia alope 116 



cepio 116 



macroschisma 56, 116 



{Monia) machroschisma 116 

 Plagiocteuium 72, 113 



newsomi 72, 113 



snbventricosus 72, 114 



ventricosus 72, 114 

 Planorbiuii? 77, 195 

 Planorbis 77, 195 



corueus 195 



tumidus 22, 23, 28, 44, 77, 195 



vermicularis 22, 23, 28, 44, 77, 195 

 Platyodon 76, 179 



cancellatus 23, 25, 27, 31, 37, 76, 179 

 Plenrotoma 77, 199, 228 



aurantia 206 



babj'louia 199 



bartschi 15, 19 



(Borsonia) bartschi 44, 200 



carinata 216 



carpenteriaua 24, 25, 28, 32, 55, 56, 63, 203 



(Dolichotoma) carpenteriana 44, 202 



{Surcula) carpi^nieriana 202 



cooperi 28 



(Dolichotoma) cooperi 44, 203 



dalU 15, 19 



(Borsonia) dalli 44, 201 



gibbosa 204 



hooveri 19 



(Borsonia) hooveri 44, 201 



inirmli 205 



linearis 210 



mitraformis 202 



moutcreyeusis 206 



(Drillia) montereyenisia 207 



pedroana 19 



(Leucosyrinx) pedroana 44, 202 



penicillata 205 



perversa 15, 19, 22, 24, 28, 31, 44, 56, 77, 200, 

 216 



ponderosa 211 



pudica 208 



pyrenaica 200 



Pleurotoma renaudi 15, 19 



(Drillia) renaudi 44 



smithi 15, 19 



(Spirotropsis) smithi 44, 216 



stromboides 211 



tryouiana 28 



(Dolichotoma) tryoniana 44, 203 



[Surcula] trijoniana 203 



turricula 209 

 Pleurotomidc-B 77, 199, 210 

 Pododesmus 73, 116 



macroschisma 23, 25, 27, 52, 63, 68, 116, 118 



(Monia) macroschisma 37, 116 



rudis 116 

 Polynices 83, 314 



(Lunatia) lewisii 315 



(Neverita) recluziana 314 

 var. alta 315 

 Polyplacophora 85, 342 

 Polyplex gracilis 250 

 Pomaulax 84, 322 



undosus 25, 28, 44, 56, 63, 84, 322 

 Poromyacea 73, 126 

 Polamis sacratuvi 296 

 Priene 82, 286 



cancellcUus 286 



oregonensis 15, 19, 24, 25, 28, 44, 68, 82, 286 

 Prionodesmacea 72, 95 

 Protocardia 74, 142 



ceutifilosa 15, 17, 18, 37, 62, 74, 142 

 Psammobia 76, 167, 168 



edentula 27, 37, 76, 168 



(Psammobia) edentula 168 



feroensis 167 

 PsammobiidiB 76, 167 

 Psephia 75, 152 



lordi 152 



salmonea 18, 21, 37, 52, 75, 152 



tautilla 18, 21, 23, 27, 31, 37, 75, 152, 153 

 Pseudoliva kelleltii 230 

 Pteuoglossa 81, 262 

 Pteronotus 80, 244 



Jestivus 32, 63, 80, 244 



textilis 244 

 Pteropsidiuie 76, 177 

 Pterorhytis 80, 244 



foliatus 80, 245 



monoceros 80, 246 



nutlaUi SO, 245 

 Plychsfylis caffea 327 

 Pulmonata 77, 194 

 Puncturella 85, 341 



cucullata 15, 19, 28, 44, 52, 85, 341 



galeata 15, 19, 44, 85, 341 



noachiua 341 

 Purpura 50, 81, 260 



caualiculata 50 



crispata 24, 25, 28, 44, 48, 63, 68, 80, 227, 261 



(Monocrros) lapilloides 247 



lapillus 261 



