INDEX 



341 



preciosnm 126 



seinipolitnm . . . 126 

 semistriatum . . 126 



Diplodonta 66 



aleutica 66 



orbella 66 



D6nax 87 



californica 87 



levigata 87 



Dosinia 75 



ponderosa 75 



DrilHa 134 



cmpyrosia 135 



incisa 135 



inermis 134 



moesta 134 



pcnicillata 134 



torosa 134 



Ensis 105 



californicus .... 105 



Entodesma Ill 



inflata Ill 



saxicola Ill 



Epiphragmnphora . 275 



arnheimi 286 



arrosa 282 



ayresiana 284 



biittoni 277 



cala 277 



californiensis . .283 



carpenteri 281 



circumcarinata .278 

 coloradoensis ..281 

 contracostse . . .284 

 diabloensis . . . .284 

 dupetithonarsi ..279 



exarata 282 



facta 285 



fidelis 275 



gabbi 285 



hillebrandi . . . .277 



infumata 277 



intercisa 285 



kellettii 286 



mormonnm . . . "'Jl 



nicliniana 283 



nifocincta 285 



ramentosa 284 



sequoicola 281 



stearnsiaiia . . .286 



traskii 281 



tryoni 286 



tiidiciilata 285 



umbilicata . . . .285 



Epitoniiim 182 



bellastriatnm ..184 



borealis 182 



crcbricostatum . 184 



hindsii 183 



indianorum ... 183 



Erato 194 



columbella .... 194 

 vitellina 194 



Erycina 62 



compressa 62 



rngifera 62 



Eulima 185 



distorta 185 



falcata 185 



incur va 185 



micans 185 



riitila 185 



yod 185 



Eunaticina 213 



oldroydii 213 



P^russacia 292 



subcylindrica ..292 



Fissiirella ^49 



crucifera 250 



volcano 249 



Fissurellidaea . . . .252 



Fissuridea 250 



aspera 250 



miirina 250 



Flnminicola 315 



fusca 315 



nuttalliana ... .315 

 seminalis 315 



Fossarus 206 



fenestratus . . . .206 

 obtusus 206 



Frieleia 17 



halli 17 



Fiisiniis 144 



cinereus 145 



harfordi 146 



kobelti 144 



luteopictiis .... 145 



Fiisiis 145 



Gadinia 129 



reticulata 129 



Galerus 207 



Gemma 84 



gemma 84 



purpurea 85 



Gibbula 234 



canfieldi 239 



parcipicta 234 



succincta 234 



Glottidea 19 



albida 19 



Glycymcris 29 



intermedia .... 29 



Glyptostoma ....287 

 newberrvanum. .287 



Gonidia '. 304 



angulata 304 



Goniobasis 313 



acutiiilosa 313 



bulbosa 313 



circumlineata ..313 



draytoni 313 



nigrina 313 



occata 313 



plicifera 313 



rubiginosa 313 



Gundlachia 311 



californica 311 



Gyrinium 190 



californicum . . . 190 



Haliotis _ 242 



assimilis 246 



corrugata 246 



cracherodii . . . .245 



fulgens 242 



gigantea 247 



rufescens 244 



walallcnsis ....244 



Halistylus 240 



pupoides 240 



Haminea 122 



vesicula 122 



virescens 123 



Helix^ 275 



aspersa . ." 274 



Ilempbillia 271 



glandulosa ... .271 



lleterodonax .... 88 

 bimaculatus .... 88 



Hinnites 43 



