II American Tertiary Shells 



LucUia claibornensis Conrad, below City Point. 



Necera^ sp., Newcastle. 



Xucula potoi7iacensis 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 leiiis (Conrad), Port Royal. 

 Mej'etri.v subimpressa Conrad, Popes Creek, Piping Tree, Newcastle, below 



City Point. 

 Meretrix, sp., Port Ro3'al. 

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



Ratcliff. 

 Ostrea sellceformis Conrad, Popes Creek, Piping Tree, below Cit}- Point, 



Coggins Point. 

 Ostrea coinpressirostra Say, Potomac Creek. 

 Protocardia, sp.. Popes Creek. 

 Peden choctavensis Aldrich, Popes Creek. 

 /Vr/^w _^r£'^^? (Harris), Potomac Creek. 

 Pecten dalli Clark, Woodstock. 



Seinele linosa Conrad var. Harris, below City Point. 

 Spisula paralis ( Conrad ) , Newcastle. 

 Teredo virgiinana Clark, Popes Creek. 

 Tellina nwoieana Gabb? Marshfield. 

 Tel'.ina, sp., Popes Creek. 

 Tellina, sp.. Piping Tree. 

 l^enericardia planicosta var. regia Conrad, Potomac Creek, Popes Creek, 



Piping Tree ?, Newcastle. 

 \'enericardia potapocoensis C. & M., Potomac Creek, Coggins Point. 



GASTROPODA 



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



Adeorbis} virginiensis, Newcastle. 



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



Calytraphorus velatiis Conrad, Coggins Point. 



Calytraphoriis, sp.. Below City Point. 



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



Caricella pyrtiloidesl Conrad?, Below City Point. 



Clavella herciiles Whitfield ?, Ratcliff. 



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



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



Fusiis ? interstriatus Heilprin, Ratcliff. 



Fiisus irrasiis Conrad, Newcastle. 



Fusus subtenis Heilprin, Port Royal. 



Fulguroficiis argiitus Clark, Potomac Creek. 



Lunatia marylandica 'Conrad), Potomac Creek, Piping Tree, Newca.stle. 



Lunatia, sp., 



Marginella, sp., Coggins Point. 



