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Area americana . 159 



angulatus 163 



antiquata 157,371, 373 



auriculata 157, 371 



ave liana 152 



barbata . . ....... . . . . 153, 154 



biangulata 160 



bicolorata ............ 154 



bisulcata . . ... . 159 



brasiliana 158, 371 



- cancellaria 154 



Candida . . . . 157 



callifera 154 



cardif orcnis .161, 371 



cardissa . 153, 371 



caudata ............. 168 



cayennensis ........... 159 



cha leant hum . . 374 



complanata ...... 161 



concamerata ............ 151 



concinna ,.160, 371 



corbicula 158 



corbula ...... 158 



cucullea .' 151 



cylindica •• 154 



de.cussata 163, 373 



deshayeaii 157, 371 



diluvii 373, 374 



domixLgensis . 158 



divaricata 1.55, 371 



emarginata . . . . ... .161, 371 



equilatera 165 



fluriatilis 168 



formosa 160, 371 



fusca 152, 154 



gaimardi 371 



gaimardii 155 



glacialis 156, 371 



