180 THE BERMUDA ISLANDS. 



identical with Area solida, B. and S,, from the Californian 



coast. 



Area imbricata, Brug. 



W. Indies, Mazatlan, Feejee Islands. 



The Area mutabilis, of Sowerbj', does not differ essentially 

 from this species. 



Uytilus exustus, L, 



Mytilus Dpmingensis of Jones's list. 



Uodiola tulipa, L. 



E. United States, Bahamas, W. Indies. 



Lithodomus Antillarum, Phil. 



' Lithodomus niger. 

 Florida, St. Thomas. 



Lithodomus appendiculatns, Phil, 



Cuba. 



Crenella lateralis, Say. 



S. Carolina, Florida. 



Avicula ala-perdicis, Reeve, 



Meleagrina placunoides, Reeve, of Jones's list. 

 Florida, W. Indies, 



Avicula Atlautica, Lam. 



S. Carolina. 



? Avieula macroptera, Lam. — W. Indies, E. Indies. 

 Ferna ephippium, L. 



Antilles, Indian and Pacific Oceans. 



Pinna rudis, Lam. 



W. Indies. 

 Flioatula ramosa, L. 

 Florida, W. Indies. 



Lima tenera, Ghcmn. 



Lima fragilis, Sow., of Jones's list. 

 Florida. 



