SYSTEMATIC INDEX. 



Xlll 



Kiciiiula 

 Concholepas 

 Cassis 

 Morio 

 Terebra 

 Cei-ithium 

 Potamida 



Murex 

 Murex 



Murex propel" 

 Bronlis 

 Typhis 

 Chichoracea 

 Aquilla 

 Lotorium 

 Trltonium 

 Trophona 

 * Ranella 



Apolles 

 Fusus 



Fusus proper 

 Lathira 

 Struthiolaria 

 Pleiirotoma 

 Clavatula 

 Pyriila 

 Fulgur 

 Fasciolaria 

 Tui'binella 

 Strombus 



Strombus proper 

 Pterocera 

 Rostellaria 

 Hippocrenes 

 TUBULIBRANCHIATA 

 Vermetus 

 Magilus 

 Siliquaria 

 SCUTIBR ANC HIATA 

 Halyotis 



Halyotis proper 

 Padolla 

 Stomatia 

 Fissurella 

 Emarginula 

 Parmophorus 

 CYCLOBRANCHIATA 

 Patella 

 Chiton 

 ACEPHALA 



TESTACEA 



OSTHACEA 



Acarda 



Radiolites 



Sphserulites 



Calceola 



Hippurites 



Batolithes 



Ostrea 



Ostrea proper 



Vol. II. (3) 



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Gryphsea 

 Pecten 

 Lima 

 Pedum 

 Hinnita 

 Plagiostoma 

 Pachytes 

 Dianchora 

 Podopsis 

 Anomia 

 Placuna 

 Spondylus 



Plicatula 

 Malleus 

 Vulsella 

 Perna 



Crenatula 

 Gervilia 

 Inoceramus 

 Catillus 

 Pulvinites 

 Etheria 

 Avicula 



Pintadina 

 Avicula proper 

 Pinna 

 Area 



Area proper 

 CucuUaea 

 Pectunculus 

 Nucula 

 Trigonia 

 Mytilacea 

 Mytilus 



Mytilus proper 

 Modiolus 

 Lithodomus 

 Anodonta 

 Iridina 

 Dipsas 

 Unio 



Hyi'ia 

 Castalia 

 Cardita 

 Cypricardia 

 Coralliophaga 

 Venericardia 

 Crassatella 

 Chamacea 

 Chama 



Tridacpa 



Tridacna pro- 

 per 410 

 Hippopus 410 

 Chama proper 410 

 Diceras 411 

 Isocardia 41 1 

 Cardiacea 421 



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