MUSEUM OF COMPARATIVE ZOOLOGY. 193 
Famity UNGULINID&. 
DIPLODONTA Bronn. 
Diplodonta turgida Verrill and Smith. 
Diplodonta venezuelensis Dunker. 
Famity LUCINIDZ. 
LUCINA Brugiere. 
Lucina antillarum Reeve. 
Lucina sombrerensis Dall. 
Lucina leucocyma Dall. 
Lucina funiculata Reeve. 
Lucina lenticula Reeve. 
Lucina scabra Lamarck. 
Lucina sagrinata Dall. 
Lucina quadrisulcata D’Orbigny. 
LORIPES Poli. 
Loripes compressa Dall. 
Loripes lens Verrill and Smith. 
CRYPTODON Turton. 
Cryptodon orbiculatus Seguenza. 
Cryptodon pyriformis Dall. 
Cryptodon flexuosus Montague. 
Famiry CHAMIDZ. 
CHAMA Brugitre. 
Chama lactuca Dall. 
Chama sarda Reeve. 
Famity CARDIIDA. 
CARDIUM Linné. 
Cardium ceramidum Dall. 
Cardium medium Linné. 
Cardium peramabilis Dall. 
Cardium muricatum Linné. 
Cardium levigatum Linné. 
Cardium serratum Linné. 
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