to Bulletin 33 10 



the whorl ; the remaining portion of the whorls smooth except 

 for fine lines of growth ; near the suture, on the uppermost por- 

 tion of the preceding whorl a heavy, revoling line or groove ex- 

 tends which gives the surface an appressed-ridged appearance. 

 On the body whorl, the fine, revoling lines of the lower portion 

 extend continuously over the margin and probably over most of 

 the surface of the base. 



Types and specimens figured. — Paleontological Museum, Cor- 

 nell Univ. 



Hoiizon. — St. Maurice Eocene. 



Locality. — Newcastle, Va. Collected by the 1st Ianthina 

 Expedition '97. 



GEOGRAPHICAL DISTRIBUTION OF MID-EOCENE FAUNA OF 

 THE VIRGINIA BASIN 



PELEC YPODA 



Anapteris regalis, n. sp., Piping Tree. 

 Anomia lisbonensis Aldrich, Coggins Point. 

 Anomia marylandica C. & M., Port Royal. 



Corbula alabamiensis Lea, Port Royal, RatclifT, Piping Tree, Newcastle. 

 Corbula aldrichi Meyer, Popes Creek, Port Royal, RatclifT, Piping Tree. 

 Corbula murchisoni Lea, Newcastle, Popes Creek 



Crassatellites alceformis (Conrad), Potomac Creek, Piping Tree, below City 



Point, Coggins Point. 

 Cucullcea onochela Rogers, Potomac Creek, Newcastle. 

 Cucullcea transversa Rogers, Potomac Creek. 

 Dosiniopsis lenticularis Rogers, Potomac Creek. 

 Glycymeris idoneus (Conrad) ? Newcastle, Coggins Point. 

 Glycymeris, sp., Port Royal. 

 Lcevicardium, sp., Coggins Point. 

 Leda magna Lea ? Coggins Point. 



Leda improcera (Conrad), Port Royal, Marshfield, Woodstock 



Leda cultelliformis (Rogers), Popes Creek, Woodstock. 



Leda ccelatella, n. sp., Port Royal. 



Leda, sp., Coggins Point. 



Lucina alveata Conrad, Piping Tree. 



Lucina dartoni Clark, Popes Creek. 



Lucina papyracea (Lea), Newcastle. 



Lucina uhleri Clark, Port Royal, RatclifT. 



Lucina whitei Clark, Popes Creek. 



