II 



American Tertiary Shells 



Lucina claibornensis Conrad, below City Point. 

 Necera, sp., Newcastle. 



Nucula potomacensis C. & M., Popes Creek, Newcastle, below City Point, 



Coggins Point, Piping Tree. 

 Meretrix ovata var. pyga Conrad, Potomac Creek, Popes Creek, Woodstock, 



below City Point, Coggins Point. 

 Meretrix lenis ( Conrad), Port Royal. 



Meretrix subimpressa Conrad, Popes Creek, Piping Tree, Newcastle, below 



City Point. 

 Meretrix, sp., Port Royal. 



Modiolus alabamensis Aldrich, Potomac Creek, Popes Creek, Port Royal, 

 Ratcliff. 



Ostrea sellceformis Conrad, Popes Creek, Piping Tree, below City Point, 



Coggins Point. 

 Ostrea compressirostra Say, Potomac Creek. 

 Protocardia , sp., Popes Creek. 

 Pecten choctavensis Aldrich, Popes Creek. 

 Pecten greggi (Harris), Potomac Creek. 

 Pecten dalli Clark, Woodstock. 



Semele linosa Conrad var. Harris, below City Point. 



Spisula paralis (Conrad), Newcastle. 



Teredo virgiinana Clark, Popes Creek. 



Tellina mooreana Gabb? Marshfield. 



Tellina, sp., Popes Creek. 



Tellina, sp., Piping Tree. 



Venericardia planicosta var. regia Conrad, Potomac Creek, Popes Creek, 



Piping Tree ?, Newcastle. 

 Venericardia potapoccensis C. & M., Potomac Creek, Coggins Point. 



GASTROPODA 



Adeorbis novi-castri ', n. sp., Newcastle. 

 Adeorbis? virginiensis, Newcastle. 



Calptraphorus trinodiferus Conrad, Port Royal, Piping Tree?, Newcastle. 

 Calytraphorus velatus Conrad, Coggins Point. 

 Calytraphorus, sp., Below City Point. 



Calyptrea aperta (Solander), Popes Creek, Newcastle, below City Point. 

 Caricella pyruloides ? Conrad ?, Below City Point. 

 Clavella hercules Whitfield ?, Ratcliff. 



Crepidula lirata Conrad, Newcastle, below City Point, Coggins Point. 



Ficns affinis, n. sp., Below City Point. 



Fusus? interstriatus Heilprin, Ratcliff. 



Fusus irrasus Conrad, Newcastle. 



Fusus subtenis Heilprin, Port Royal. 



Fulguroficus argutus Clark, Potomac Creek. 



Lunatia marylandica (Conrad), Potomac Creek, Piping Tree, Newcastle. 

 Lunatia, sp., 



Marginella, sp., Coggins Point. 



