EXPLANATION OF PLATE 10. 



Page. 



Figs. 1, 2. Marsipocrinus stellatus (Troostj, basal and side views of Troost's 



type of Cupellsecrinites stellatus 36 



3, 4. Eucalyptocrinus gibbosus Troost, basal and side views of Troost's 



type 54 



5, 6, 7. Marsipocrinus magnificus (Troost), top, basal, and side views of a 

 remarkably fine specimen. These figures are of Troost's type of 

 Cupellsecrinites magnificus 34 



8. Marsipocrinus corrugatus (Troost), basal view showing characteristic 



surface ornament. Figure of Troost's type-specimen 35 



9, 10. Eucalyptocrinus phillipsi Troost, side and basal views of Troost's 



type-specimen. See also plate 13, figs. 2, 3, 4 51 



11. Melocrinus roemeri Wachsmuth and Springer, side view of a specimen 



showing the lower position of the anal plate. This specimen, figured 

 by Troost as Turbinicrinites verneuili, is the one upon which he based 

 his genus Turbinicrinites. X H 44 



12. Basal view of the same specimen. Xli- 



136 



