PLATE III, 



Paere, 



DOLATOCRINUS INDIANENSIS, n. 8p , , , , 40 



Fig. 1. Basal view. 



Fig. 2. Summit. 



Fig. 3. Azygous view. 



Batocrinus argutus, n. sp 



Fig. 4. Basal view. 

 Fig. 5. Azygous view. 

 Fig. 6. Summit. 



DOLATOCRINUS BELLARUGOSUrt, n. S]) 43 



Fig. 7. Basal view. 



Fig. 8. Lateral view, azygous area on left. 

 Fig. 9. Summit. 



DOLATOCRINUS CHARLE3TO WNEN8IS, n. 8p 44 



Fig. 10. Basal view. 

 Fig. 11. Summit. 

 Fig. 13. Azygous view. 



DOLATOCRINUS C-KLATUS, 11. 8p 46 



Fig. 13. Basal view. 

 Fig. 14. Lateral view. 

 Fig. 15. Summit. 



DOLATOCRINUS APLATUS, II. sp 48 



Fig. 16. Basal view. 

 Fig. IT. Summit. 

 Fig. 18. Lateral view. 



Cyathocrinus waldronensis, M. & D 49 



Fig. 19. Azygous view. 



Fig. 20. Opposite side view, both figures magnified two diameters. 



Cyathocrinus blairi, M. & G 50 



Fig. 21. Azygous view. 

 Fig. 22. Summit. 



THYSANOCRINUS MILfrlGAN.L, 11. Bp 51 



Fig. 23. Basal view. 

 Fig. 24. Azygous view. 

 Fig. 25. Opposite side view. 



Poteriocrinus i'Ulaskiensis, n. sp 39 



Fig. 26. Azygous view. 



Fig. 27. Opposite side of the same. 



Lecanocrinus greenei, n. sp 52 



Fig. 28. Azygous side view of calyx and part of arms. 



Synbathocrinus illinoisensis, n. sp 53 



Fig. 29. Basal view. 

 Fig. 30. Azygous view. 

 Fig. 31. Summit. 



Forbesocrinu8 WA8HINGTONEN8I8, n. sp 54 



Fig. 32. Azygous side view. 

 Fig. 33. Opposite side view. 



