20 BULLETIN OF THE 



Family ? 



Genus DALIUM Dall. 

 Dalium solidum Dall. 



Family CASSIDID^. 



Genus CASSIS Lamarck. 



Cassis inflata Shaw. 



Genus GALEODEA Link. 

 Galeodea Coronadoi Crosse.* 



Genus LAMBIDIUM Link. 

 Lambidium oniscus Linne.* 



Genus ONISCIDIA Swainson. 

 Ouiscidia Dennisoni Reeve.* 



Genus SCONSIA Gray. 

 Sconsia striata Lamarck.* 



Family DOLITD^. 

 Genus DOLIUM Lamarck. 



Subgenus EUDOLIUM Dall. 

 Eudolium Crosseanum Monterosato. 

 Eudolium Verrillii Dall * 



Family AMPHIPERASID^. 



Genus AMPHIPERAS Gronovius. 



Subgenus SIMNIA Risso. 



Simnia acicularis Lamarck. 

 Simnia piragua Dall.* 



Section NEOSIMNIA Fischer. 

 Simnia intermedia Sowerby. 

 Simnia uniplicata Sowerby. 

 Simnia aureocincta Dall. 



Genus PEDICULARIA Swainson. 

 Pedicularia decussata Gould. 



