cuspidariaeformis, Leptomya 216
Cuspidariidae 320
cuspidata, Lanceolaria 115
cuspidata, Tellina 320
cuticula, Anomia 97
Cyamiacea 153
Cyathodonta 311
Cyathodonta dissimilis 308, pl. 65, f. 17-18
Cyathodonta granulosa 311, 314, pl. 66, f. 1-2
Cyathodonta sagamiensis 312
Cyathodonta undulata 311
Cycladicama 134
Cycladicama abbreviata 135
Cycladicama coreensis 135
Cycladicamacumingii 134
Cycladicama luciniformis 134
Cycladicama lunaris 135
Cycladicama nomurai 134
Cycladicama oblonga 134
Cycladicama tsuchii 135
Cycladoconcha 153
Cycladoconcha amboinensis 153
Cyclas caroliniana 239
cyclas, Petricola 275
cyclas sculpturata, Petricola 275
Cyclina 273
Cyclina (Cyclinorbis) 273
Cyclina (Cyclinorbis) lunulata 273
Cyclina sinensis 266, pl. 56, f. 9, 273
Cyclininae 273
Cyclinorbis 273
(Cyclinorbis), Cyclina 273
(Cyclinorbis) lunulata, Cyclina 273
(Cyclocalyx), Pisidium 243
(Cyclocalyx) nitidum, Pisidium 243
(Cyclocalyx) subtruncatum altum, Pisidium 243
Cyclocardia 157
Cyclocardia crassidens 158
Cyclocardia crebricostata 158
Cyclocarida erimoensis 158
Cyclocardia ferruginea 158
Cyclocardia incisa 158
Cyclocardia isaotakii 158
Cyclocardia morsei 158
Cyclocardia paucicostata 155, pl. 29, f. 9-11, 158
Cyclodonta 163
Cyclopecten 88
Cyclopecten bistriatus 88
Cyclopecten nakaii 88
Cyclopecten nipponensis 88
Cyclosunetta 272
Cyclosunetta comtenpta 272
Cyclosunetta concinna 266, pl. 56, f. 5, 272
Cyclosunetta menstrualis 266, pl. 56, f. 4, 272
Cyclotellina 200
cygnea, Anodonta (Anodonta) 120
cygneus, Mytilus 119
cymbium, Gastrochaena 287
cymbium, Gastrochaena (Cucurbitula) 283, pl. 60, f. 1-4, 287
cypellus, Avicula 69
Cypricardia 233
Cypricardia angulata 233
Cypricardia arata 157
Cypricardia guinaica 233
Cypricardia obesa 234
Cyprina 232
Cyprinidae 232
Cyrena 239
Cyrena cor 239
Cyrena fissidens 238
Cyrena luchuana 238
Cyrena maxima 241
Cyrena subsulcata 241
Cyrena tenebrosa 241
Cyrena yaeyamensis 238
Cyrena yokohamensis 239
Cyrena zeylanica 238
Cyrenobatissa 241
Cyrenobatissa subsulcata 241
Cyrenodonax 241
(Cyrenodonax) formosana, Corbicula 241
Cyrenodonax formosanus 241
Cyrenoida oblonga 134
cyrenoides, Ennucula 15
Cyrenolimopsis adamsiana 46, pl. 9, f. 10-11, 50
Cyrilla 13
Cyrilla decussata 49
Cyrillista 13
Cyrillona 12
Cyrillona dalli 12
Cyrtodaria 284
Cyrtodaria kurriana 285
Cyrtopleura 290
Cyrtopleura (Scobinopholas) 290
Cyrtopleura (Scobinopholas) costata 290
Cyrtopleura (Cyrtopleura) 290
cytaeum, Anomia 97
Cytherea 246, 272
Cytherea angulosa 262
Cytherea carbasea 257
Cytherea citrina 257
Cytherea crispata amicata [amica] 247
Cytherea excavata 272
Cytherea gibbia 255
Cytherea hebraea 259
Cythrea hungerfordi 259
Cytherea lilacina 270
Cytherea multilamella 246
Cytherea philippinarum 259
Cytherea picta 258
Cytherea sinensis 269
Cytherea solanderii 272
Cytherea squamosa 249
Cuspidariidae 320
cuspidata, Lanceolaria 115
cuspidata, Tellina 320
cuticula, Anomia 97
Cyamiacea 153
Cyathodonta 311
Cyathodonta dissimilis 308, pl. 65, f. 17-18
Cyathodonta granulosa 311, 314, pl. 66, f. 1-2
Cyathodonta sagamiensis 312
Cyathodonta undulata 311
Cycladicama 134
Cycladicama abbreviata 135
Cycladicama coreensis 135
Cycladicamacumingii 134
Cycladicama luciniformis 134
Cycladicama lunaris 135
Cycladicama nomurai 134
Cycladicama oblonga 134
Cycladicama tsuchii 135
Cycladoconcha 153
Cycladoconcha amboinensis 153
Cyclas caroliniana 239
cyclas, Petricola 275
cyclas sculpturata, Petricola 275
Cyclina 273
Cyclina (Cyclinorbis) 273
Cyclina (Cyclinorbis) lunulata 273
Cyclina sinensis 266, pl. 56, f. 9, 273
Cyclininae 273
Cyclinorbis 273
(Cyclinorbis), Cyclina 273
(Cyclinorbis) lunulata, Cyclina 273
(Cyclocalyx), Pisidium 243
(Cyclocalyx) nitidum, Pisidium 243
(Cyclocalyx) subtruncatum altum, Pisidium 243
Cyclocardia 157
Cyclocardia crassidens 158
Cyclocardia crebricostata 158
Cyclocarida erimoensis 158
Cyclocardia ferruginea 158
Cyclocardia incisa 158
Cyclocardia isaotakii 158
Cyclocardia morsei 158
Cyclocardia paucicostata 155, pl. 29, f. 9-11, 158
Cyclodonta 163
Cyclopecten 88
Cyclopecten bistriatus 88
Cyclopecten nakaii 88
Cyclopecten nipponensis 88
Cyclosunetta 272
Cyclosunetta comtenpta 272
Cyclosunetta concinna 266, pl. 56, f. 5, 272
Cyclosunetta menstrualis 266, pl. 56, f. 4, 272
Cyclotellina 200
cygnea, Anodonta (Anodonta) 120
cygneus, Mytilus 119
cymbium, Gastrochaena 287
cymbium, Gastrochaena (Cucurbitula) 283, pl. 60, f. 1-4, 287
cypellus, Avicula 69
Cypricardia 233
Cypricardia angulata 233
Cypricardia arata 157
Cypricardia guinaica 233
Cypricardia obesa 234
Cyprina 232
Cyprinidae 232
Cyrena 239
Cyrena cor 239
Cyrena fissidens 238
Cyrena luchuana 238
Cyrena maxima 241
Cyrena subsulcata 241
Cyrena tenebrosa 241
Cyrena yaeyamensis 238
Cyrena yokohamensis 239
Cyrena zeylanica 238
Cyrenobatissa 241
Cyrenobatissa subsulcata 241
Cyrenodonax 241
(Cyrenodonax) formosana, Corbicula 241
Cyrenodonax formosanus 241
Cyrenoida oblonga 134
cyrenoides, Ennucula 15
Cyrenolimopsis adamsiana 46, pl. 9, f. 10-11, 50
Cyrilla 13
Cyrilla decussata 49
Cyrillista 13
Cyrillona 12
Cyrillona dalli 12
Cyrtodaria 284
Cyrtodaria kurriana 285
Cyrtopleura 290
Cyrtopleura (Scobinopholas) 290
Cyrtopleura (Scobinopholas) costata 290
Cyrtopleura (Cyrtopleura) 290
cytaeum, Anomia 97
Cytherea 246, 272
Cytherea angulosa 262
Cytherea carbasea 257
Cytherea citrina 257
Cytherea crispata amicata [amica] 247
Cytherea excavata 272
Cytherea gibbia 255
Cytherea hebraea 259
Cythrea hungerfordi 259
Cytherea lilacina 270
Cytherea multilamella 246
Cytherea philippinarum 259
Cytherea picta 258
Cytherea sinensis 269
Cytherea solanderii 272
Cytherea squamosa 249