EXPLANATION OF PLATES. 



PLATE 30. PAGE 



ELEUTHEROCRINUS CASSEDAYI, Shumard & Yandell, RoWley. 91 



FIGS. 1-2. — Anterior and posterior views of the same 



specimen." 

 FIG. 3. — Basal view of a large specimen. 

 FIG . 4. — Ventral view of a smaller specimen. 



PENTREMITIDEA? DUBIA, N. Sp. (Rowley.) 92 



FIGS. 5, 6-7. — Side, ventral and dorsal views of 



three different specimens. 

 FIG. 11. — Side view of a larger specimen. 



PENTREMITIDEA? APPROXIMAT A, N.Sp. (Rowley.) 93 



FIG. 8 — Ventral view of the type specimen. 

 FIGS. 32-33. — Side views of two specimens probably 

 belonging to this species. 



PENTREMITIDEA LEDA? Var. Magna, N. Var. (Rowley.) 93 



FIGS. 9-10. — Side and ventral views of the type 

 specimen. 



COD ASTER ATTENUATUS, Var. robustus, N. Var. (Rowley. ) 94 



FIGS. 12-13. — Ventral and side views of the type 



specimen. 

 FIGS. 16—17. — Ventral and side, vie a^s of a specimen 



referred doubtfully to this variety. 



COD ASTER ATTENUATUS? Lyon. Rowley. . 94 



FIGS . 14-1.5. — Summit and side views of a specimen. 

 (Fig. 14 is incorrectly drawn.) 



CODASTER PYRAMIDATUS, Shumard, Rowley. 95 



FIGS. 18-19. — Ventral and side views of a small 



specimen. 

 FIGS. 24—25. — Ventral and side views of a larger 



specimen, injured at the summit. 

 FIGS. 22-23. — Summit and side views of a small but 



well preserved specimen. 



CODASTER ATTENUATUS, Lyon. Rowley. * 95 



FIGS. 20-21. — Summit and side views of a medium 

 sized specimen. 



CODASTER Sp? 95 



FIGS. 26-27. — Side view? of two different individ- 

 uals, the latter x 2. 



