NORTH AMERICAN CONCHOLOGY. 



43 



AMPHIBIOUS. 



Tage. I Page. 



23 Succinea ovalis Say. 23 Pupa corticaria? Say. 



23 campestris? Say. 23 Caracolla. 



And one species not ascertained. ] One species not ascertained. 



Catalogue of Boston Society of Natural History. (Tide p. 39.) 



Page. 



25 

 25 

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Class XI. COXCI1IFERA Lam. 

 Order I. Bimuscuiosa. 



Page. 



25 

 25 

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25 



25 



25 

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 25 



Solen ensis Lin. 



viridis Say. 

 Solecurtus Caribeeus Dlaln. 



maximus. 



co status Say. 



fragilis Pulteney. 

 Glycimeris siliqua Lam. 

 Mya mercenaria Lin. 

 Anatina Leana Conrad. 



convexa. 

 Mactra gigantea Lam. 



lateralis Say. 



arctata Conrad. 



tellinoides Conrad. 

 Solemya velum Say. 



borealis Totten. 

 Amphidesma corbuloides 



L.,am. 

 Corbula ferruginosa Wood. 



contracta Say. 

 Pandora trilineata Say. 

 Saxicava distorta s "//- 

 Petricola pholadiformis 



Lam. 



dactylus Say. 

 Sanguinolaria fusca Conrad. 

 Tellina polita Say. 

 Lucina divaricata Lam. 



Order II. Unimusculosa. 



26 Modiola papuana Lam. 

 26 plicatula Lam. 



26 glandula Totten. 



26 Mytilus edulis Lin. 



26 Mytilus uugulatus Tlumboldt. 



26 incurvatus Maton. 



26 pellucidus. 



26 Pecten Magellanicus Lam. 



