OF DENISON UNIVERSITY. 1 09 



Fig. 7. Crenipecten ivinchelli. 

 Fig. 8. Aviculopecten granvillensis . 

 Fig. 9. Rhynchonella contrada. 



PLATE XII. 



Fig. I. Phillipsia prcecursor. Head and pigidium. 



Fig. 2. Unidentified. Moot's run. 



Fig. 3. Edmondia ? Perhaps Grammysia sp. 



Fig. 4. Sphenotiis contractus. 



Fig. 5. Unidentified. Moot's run. 



Fig. 6. Productus shtimardmnus, H. 



Fig. 7. Lyriopecten cancellatus. 



Figs. 8, 9, 42 Pterinopecten cariniferiis. 



Fig. 10.. Crania hamiltoniE ? 



Fig. 12. Rhyncho>iella sp. Moot's run. 



Fig. 13-iv Entoliiim shtwiardianum . 



Fig. 16-17. Aviculopecten cooperi. 



Fig. 18. Unidentified. Moot's run. 



Fig. 19. Crenipecten {fcerstii ?) Cuahoga shales. 



Fig. 20. Spirifer striatiformis . Dorsal valve. 



Fig. 21. Crenipecten. Upper division of Waverly. 



Fig. 22. Crenipecten granvillensis. Dorsal valve. 



Fig. 2^. Goniodon ohioensis . Exterior. 



Fig. 24. Goniodon ohioensis. .Cast of both valves. 



Fig. 2v Goniodon ohioensis. Lateral view of same. 



Fig. 26. Euomphalis latiis. 



Fig. 27. Allorisma convexa. 



Fig. 28. Athyris sp ? 



Fig. 29. Unidentified. Moot's run. 



Fig. 30. Orthoceras sp ? 



Figs. 31, 7,2. Fish scales. Moot's run. 



Fig. II. Unidentified. Moot's run. 



Fig. 34. Unidentified. Moot's run. 



Fig. 3v Sangiiinolites, resembling marshallensis. Moot's run. 



Fig. 36. Bellerophon sp. Moot's run. 



Fig. 37. Naticopsis sp. Moot's run. 



Fig. 38. Platyceras s^. Moot's run. 



Fig. 39. Cyclonema strigillata. 



Fig. 40. Stictopora striata. 



Fig. 4I. Unidentified. 



Fig. 4:!. (See Fig. 8.) 



Fig. 43. PrQdtictui ihumardianii^ . 



