144 PROCEEDINGS OF THE ACADEMY OF [1890. 



CORBULA ELEVATA, 752. 

 CORBULA SP. ? 900. 



Chama congregata, 700, 750. 

 Crassatella melina. 

 Cytherea 8P.? 



DONAX VARIABILIS. 

 . GOULDIA LUNULATA Or AsTARTE, 1350. 

 LUCINA TRISULCATA, 752. 

 LUCINA CRENULATA, 752, 875, 1350. 

 LlTCINA FOREMANI, 695-730. 



Mactra lateralis, 682, 752. 

 Mytiloconcha incurva. 

 Mytilus incrassatus, 682, 752. 

 Mysia acclinis, 752. 

 nucula 0bliqua=proxima, 730. 

 Ne^ra sp., 1335. 



OsTREA Mauricensis, 682. 



(182,725. I 



OSTREA sp., ^^ 955^ jQ()Q I 



Pecten Madisonius, 682, 750. 

 Pecten Humphreysii, 677, 700. 

 Pecten vicenarius. 

 Pecten Marylandica, 726, 1000. 

 Pecten comparilis. 

 Pectunculus parilis, 726. 

 Pectunculus lentiformis, 752. 

 Perna maxillata, 682, 750. 

 Saxicava arctica, 740. 

 Tellina subreflexa. 

 Tellina declivis, 752. 

 YoLDiA or Leda, 752. 

 VoLvuLA or Bulla, 1380. 

 Venus altilaminata 682, 730. 

 Venus sp.? 687, 750. 



DiSCINA lugubris, 

 Cerithium sp.? 875. 



CoLUMBELLA (AmYCLA) COMMUNIS, 740. 



Cylichna sp. ? 



Crepidula sp. ? 690, 750. 



Dentalium sp. ? 690. 



