

APPENDIX. 





Cytherea Marylandica, 



Conrad. 



Mactra congesta, 



Conrad. 



reposta, 



u 



delumbis, 



«( 



pandata, 



tt 



confraga, 



u 



Sayana, 



u 



modicella, 



(i 



Syn. C. convexa, 



Say. 



Sy 71. M. clathrodon, 



Lea. 



albaria, 



« 



lateralis, 



Say. 



Artemis concentrica, 





Amphidesma carinata, 



Conrad. 



acetabulum, 



Conrad. 



nuculoides, 



u 



Astarte undulata, 



Say. 



lamellosa, 



" 



vicina, 



u 



constricta, 



" 



symmetrica, 



Conrad. 



subovata, 



Say. 



lunulata, 



u 



aequale, 



" 



concentrica, 



" 



Lutraria canaliculata, 



M 



obruta, 



<< 



Anatina antiqua, 



Conrad. 



Pectricola centenaria, 



u 



Panopea Faujasii, 



Men. 



Venerupis subvexa, 



u 



Syn. P. reflexa, 



Say. 



Saxicava pectorosa, 



it 



Pandora trilineata, 



cc 



rugosa, 



Lam. 



arenosa, 



Conrad. 



Syn. S. distorta, 



Say. 



Solen ensis, 



Lin. 



Lepton mactroides, 



Conrad. 



Sanguinolaria lusoria, 



Conrad. 



Corbula cuneata, 



Say. 



Pholas costata, 



Lam. 



inaequale, 



u 



Teredo 





contrata, 



H 



Pholadomya abrupta, 



Conrad. 



idonea, 



Conrad. 



Serpula granifera, 



Say. 



elevata, 



a 



Dentalium attenuatum, 



a 



Mactra ponderosa, 



u 



thallus, 



Conrad. 



clathradonta, 









FOSSIL SHELLS OF THE LOWER TERTIARY OR EOCENE PERIOD. 



NAMES. 





SYNOXYMES. 





Bulla galba, 



Conrad. 



B. St. Hillairii, 



Lea. 



Solarium elaboratum, 



tt 







alveatum, 



<< 



S. bilineatum, 



" 



funginum, 



" 



S. Henrici, 



u 



exacuum, 



H 



Delphinula plana, 



M 



canaliculatum, 



Lam. 



S. ornatum, 



tt 



antrosum, 



Conrad. 







patulum, 



Lam. 



S. scrobiculatura, 



Conrad. 



stalagmium 



Conrad. 



S. elegans, 



Lea. 



amoenum, 



a 







granulatum, 



Lea. 







cancellatum, 



Conrad. 



S. cancellatum, 



Lea. 



syrtalis, 



« 







Monoceros armigera, 



it 



^ Melongena armigera, 

 ) Fusus Taitii, 



Conrad. 

 Lea. 



