102 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 85 



Identifications of Mollusca 

 Aquatic shells 



Number of 

 Group identifications 



Unidentified 1,032 



Pelecypoda (further vmi- 



dentified) 513 



Ostreidae 55- 



Anomiidae ... 



Dimyidae ... 



Spondylidae 



Pectinidae 193 



Limidae ... 



Aviculidae 



Mytilidae 674 



Unionidae 8 



Arcidae 73 



Nuculidae 45 



Ledidae i 



Solenomyidae I 



Carditidae 



Astartidae 20 



Crassatellidae ... 



Erycinidae 2 



Ungulinidae 



Cyrenellidae 



Lucinidae 



Diplodontidae 



Chamidae 



Cardiidae 20 



Veniliidae 2 



Isocardiidae 



Veneridae 131 



Corbiculidae 



Petricolidae 28 



Donacidae 122 



Psammobiidae 



Tellinidae 324 



Semelidae 



Gnathodontidae 4 



Mactridae 21 



Anatinidae 



^Compiled from Dall, W. H., A preliminary catalogue of the shell-bearing 

 marine mollusks and brachiopods of the southeastern coast of the United 

 States, with illustrations of many of the species, U. S. Nat. Mus. Bull. 37. 

 221 pp., 74 pis., 1889. 



