PLATE XXXV 



PAGE 



Figs. 1-5. PLEUROTOMARIA (BEMBEXIA) SULCOMARGWATA Conrad 280 



1. Ventral view of specimen. Warrior Mountain, east of Rush. 



2. View of spire and upper part of body whorl. Right bank of Potomac, 



about 3 miles below Cumberland. 



3. 4. External and internal impressions. Western Maryland. 



Romney formation, Hamilton member. 



5. Dorsal view of specimen, showing surface character. Hamilton 



formation, New York. 



Figs. 6-8. PLEUROTOMARIA (GYROMA) CAPILLARIA Conrad 282 



6. Dorsal view, showing surface markings. X 1^4. 



7. Body whorl showing the surface markings but shell is exfoliated 



from the spire. X 1*4. 

 Romney formation, Hamilton member, Evitts Creek. 



8. Enlarged specimen, showing surface characters. X 2. Hamilton 



' formation, New York. 



Figs. 9, 10. PLEUROTOMARIA (TREPOSPIRA) ROT ALIA Hall (?) 283 



9. Part of body whorl, showing surface markings. X 1%. National 

 Road, west of Tonoloway Ridge. 



10. Internal impression of body whorl. X 1 1 A. McCoys Ferry. 



Romney formation, Hamilton member. 



Figs. 11, 12. PLEUROTOMARIA (EURYZONE) ITYS Hall (?) 284 



11. Dorsal view of internal impression. Robinson farm, 2 miles south 



of Patterson Depot, W. Va. 



12. Ventral view of internal impression. Western Maryland. 



Romney formation, Hamilton member. 



Fig. 13. PLEUROTOMARIA (EURYZONE) ITYS Hall 284 



View of an internal impression retaining traces of the surface charac- 

 ters toward the aperture. Hamilton formation, New York. 



Fig. 14. BELLEROPHON ( PATELLOSTIUM ) PATULUS Hall (?) 287 



Dorsal view of smooth internal impression from which the margins are 

 broken. Romney formation, Hamilton member, Western Mary- 

 land. 



Fig. 15. BELLEROPHON (PATELLOSTIUM) PATULUS Hall 287 



Dorsal view of specimen. Hamilton formation, New York. 



113 



