PLATE IV. 



Page. 

 Ontchockinus pulaskiensis, n. sp 40 



Fig. 1. View showing column and part of arms. 



Pig. 2. Azygoiis fiid*^ of the same. 



Taxoukinus wetherbyi. n. sp 



Fig. 3. Basal view, azygous side down. 

 Fie. 4. Lateral view. 

 Pig. 5. Summit view. 



Pterotocrinu!* wetherbyi, n. sp 44 



Fig. 6. Azygoos aide view. 



Fig. 7. Baeal view, azygone nide down. 



Fig. 8. Summit view. 



Fig. 9. View of another specimen, allowing furrowed \'ttnlt, 



POTERIOURINUS VAGULUS, 11. dp •!*» 



Fig. 10. Lateral view, azygous area lo the lell 

 Fig. U. Oppopite side of the same. 



ZeaCRINUS PULASKIENSI:5, U. :«p t" 



Fig. 12. Azygous side view. 

 Fig. 13, Opposite side of same. 



Zeacrinus durabilis, n. sp .' 4S 



Fig. 14. Azyyoufl side view. 

 Fig. 15. Opposite side of same. 



EmPEROCRINUS INDIANENSIS, n. ep 43 



Fig. 16. Basal view. 



Fig. 17. Azygous side view. 



BaRYCR[NUS WASHINGTON EN81S, n. Sp 41) 



Pig. 18. Azygone side view. 

 Fig. 19. Opposite side of same. 



CYMCOORINUS IMlJIANENJiIS, H. Sp 31 



Fig 20. Basal view. 



Fig. 21. Azygous side view. 



Fig. 22. Lateral view. 



