OF DENISON UNIVERSITY 



103 



Fig. 16. Schizodiis viedinaaists, '\m\it.Y{tc\. casi. 



V\g. 17. Ctcftodonta icnoensis. 



Fig. iS. Avicuhpecten 7i'incheilt, right valve. 



Fig. 1 9. Streblopteria media, sp. n. 



Fig. 20. Cyclonema leavenivorthana {?) 



Fig. 21. Billerophon cyrtoliles, compressed spe iniei 



Fig 22. Platycenis sp? 



Fig. 2T^. Platyceras paralium. 



Fig. 24. Pnnhtctiis nebrascensis 



Fig. iz^. Sckizodtis (hetmmgeiisis. 



Fig. 26. Prcdtutiis semiretiinlatus. 



Fig. 27. Plant stem. 



Fig. 2% Crinoidal plate. 



PLATE II. 



Figs I, 2, 3. Spin'gera ohioensis? 



Fig. 4. Centrouella sp? 



Fig. :^. CentruwHa Julia. 



Fig. 9. Schizoaus medinaensis, very poor cast. 



Fig. 7. Athyris lamellosa. 



Fig. 8. Centrouella sp? 



Figs. 9 II. Spiriferina solidirostris . 



Figs. 12, 13. Rhetzia sp. 



Fig. 14. .? 



Fig. 15. Rhynchonella sageriana (= var. of R. sappho?) 



Fig. 16. Spirifer wine he Hi ^ s p . 11 . 



Fig. 17. Syringothyris ciispidaiits. 



Fig. 18. Conidaria. 



Fig. 19. Conulana 7nicronetna 



Fig. 20. Limatulina ? ohioensis, sp. n. 



Fig. 21. Chonetes tumida. 



Fig. 22. Philbpsia shumardi. 



Fig. 23. Platyceras, sp. 



Fig. 24. Platyceras, sp. 



Fig, 25. Pleiirotonaria strigillata, sp. n. 



Fig 26. Xatitilus .■' ?,i*. 



Fig. 27. Bellerophon cyrtolites. 



Fig. 28. Mtirchisonia. 



Fig. 29. Belleidphon cyrtolites. 



Fig. 30 . Belleroph on sp. 



Fig. 31. Plant impression. 



Fig. 33. EuonphaUis spirorhis? 



Fig, 3.:]. Bellerophon ^aMculatuS, 



