EXPLANATION OF PLATE 13. 



Page. 



Fig. 1. Talarocrinus simplex (Shumard), side view. X3. The suture lines be- 

 tween the basals are represented as too numerous. There should be 

 but one in the figure 42 



2, 3, 4. Eucalyptocrinus phillipsi Troost, side, basal, and top views of the 

 specimen described by Troost as Eucalyptocrinites Ixvis, var. The 

 basal excavation is represented as proportionally too small. See also 

 plate 10, figs. 9, 10 51 



5, 6. Marsipocrinus rosxformis (Troost), side and basal views of Troost 's 



type of Cupellxcrinites rosxformis 37 



7. Batocrinus sayi (Troost), side view of a crushed specimen showing a por- 



tion of the tegmen. Figure of Troost 's type of Actinocrinites sayi. . . 65 



8. Posterior view of the same specimen. 



9. 10. Eucalyptocrinus ertensus Troost, side and basal views of the type- 



specimen 49 



142 



