PLATE I. 



Pace. 

 Ac. ARICOCRINrS lOWKNSIS, n. sp^ 5 



Fig. 1. Basal view. 



Fig. 2. Summit. 



Fig. 3. Azygous view. 



AOAKlCOfKINrS KEOKUKEN'SIS. n. Sp 7 



Fig. 4. Basal view. 



Fig. 5. Siimmit. 



Fig. 6. Azygous view. 



Batocrinus sharonensis, n. sp 18 



Fig. 7. Azygous view. 



Fig. S. Opposite side of same. 



Fig. 0. Laternl view. 



Batoceinus scrruH'S. n. sp 19 



Fig. 10. Azygous view. 



Fig. 11. Opposite side of same. 



BaTOCKI N us SENEX, 11. SP 21 



Fig. 12. Azygous view. 



Fig. 13. Opposite side of same. , 



Fig. 14. Siiiniiiit of anotber specimen. 



Batockints KELKji is, n. sp 22 



Fig. 15. Basal view. 

 Fig. 16. Azygous view. 

 Fig. 17. Summit. 



BaTOCKIXIS BISTICELLUS. n. sp 23 



Fig. l-S. Basal view. 



Fig. 19. Same, inagnified two diameters. 



Fig. 20. Azygous view. 



Fig. 21. Summit. 



Batockints reser vATr s, n. sp 25 



Fig. 22. Basal view, magnified two diameters. 



Fig. 23. Same, natural size. 



Fig. 2-1. Azygous view. 



Fig. 2.5. Summit. 



BATOCUINfS HOTt'LIFORMIS. n. sp 26 



Fig. 2(i. Basal veiw. magnified two diameters, 

 Fig. 27. Same, natural size. 



