EXPLANATION OF PLATE 12. 



Page. 

 Fig. 1. Agassizocrinus dactyliformis (Troost), side view of the type-specimen. . . DO 

 2. Dolatocrinus grandis Miller and Gurley, Basal view of a fine specimen. 



The figure is of Troost's type of Cacabocrinitex sculptus 55 



3,4. Zeacrinus magnoliseformis (Owen and Norwood), side and basal views 



of Troost's type-specimen 90 



5, 6. Eucalyptocrinus lindahli Wachsmuth and Springer, side and basal 

 views of the specimen described by Troost as Eucaly ptocrinites 



splendidus 47 



7. Siderocrin ites ornatus Troost, basal view 105 



140 



