TABLE OF CONTENTS. XI 



Systematic list — Continued. 



Class Pelecypoda — Continued. 



Order Teleodesmacea — Continued. Page. 



Family Carditidae 192 



Genus Cardita 192 



Genus Venericardia 192 



Genus Thecalia 192 



Genus Miodontiscus 193 



Family Condylocardiidae 193 



Genus Condylocardia 193 



Genus Carditella 193 



Genus Carditopsis 193 



Family Astartidae 194 



Genus Digitaria 194 



Family Chamidae 194 



Genus Cliama 194 



Family Lucinidae 194 



Genus Lucina 194 



Genus Loripes 194 



Genus Phacoides 194 



Family Diplodontidae 195 



Genus Diplodonta 195 



Genus Felaniella 195 



Genus Ungulina 196 



. Family Galeommatidae 196 



Genus Scintilla 196 



Family Sportellidae 196 



Genus Basterotia 196 



Family Leptonidae 196 



Genus Erycina ~. 196 



Genus Bornia 198 



Genus Rochefortia 199 



Genus Lasea 201 



Family Kelliellidae 202 



Genus Aligena 202 



Family Cardiidae 202 



Genus Cardium 202 



Genus Papyridea 202 



Family Veneridae 202 



Genus Dosinia 202 



Genus Tivela 203 



Genus Sunetta 203 



Genus Circe 203 



Genus Chione 203 



Genus Anomalocardia 203 



Genus Antigona 204 



Genus Paphia 204 



Genus Venerupis 204 



Family Petricolidae 204 



Genus Petricola 204 



Family Tellinidae 205 



Genus Tellina 205 



Genus Metis 206 



Genus Macoma 206 



