PLATE IV. 



Page. 



FORBESOCRINUS GREENEI, n. Bp 57 



Fig. 1. Azygous view. 

 Fig. 2. Basal view. 



POTERICK.'RINUS NEGLECTUS, n. Sp , 31 



Fig. 3. Lateral view, azygous area on the right. 

 Fig. 4. Lateral view, azygous area on the left. 

 Fig. 5. Azygous view. 



PorERIOORlNUS ARKECTARIUS, n Bp 33 



Fig. 6. Azygous view. 



POTERIOCRINDS LABYRINTHICUS, S. A. M 34 



Fig. 7. Azygous view. 



Pl ATYcRiNtJS pormosus, var. approximate, n. var 60 



Fig. 8. Basal view. 



Fig. 9. Summit. 



Fig. 10. Azygous view. 



Fig. 11. Opposite side view. 



Platycrinos subscitui.us, n. sp 62 



Fig. 12. Basal view. 



Fig. 13. Summit. 



Fig. 14. Azygous view. 



Fig. 15. Opposite side view. 



Platycrinus concinnulos, n. sp 63 



Fig. 16. Azygous view. 

 Fig. 17. Opposite side view. 

 Fig. 18. Summit. 



