PLATE XXXIV 



PAGE 



Figs. 1, 2. PSEUDOCRINITES SUBQUADRATUS Schuchert 237 



Two views of type. X 2. Helderberg formation, Keyser member, 

 Devil's Backbone. 



Pigs. 3, 4. PSEUDOCRINITES ELQNGATUS Schuchert 241 



Two views of the type. Helderberg formation, Keyser member, Martin 

 Mountain, Bedford County, Penna. 



Figs. 5-7. PSEUDOCRINITES PERDEWI Schuchert 



5. Side view of a young specimen. X 2. 



6, 7. Two views of type. 



Helderberg formation, Keyser member, Keyser, W. Va. 



242 



244 



Figs. 8-10. TRIMEROCYSTIS PECULJAKIS Schuchert 



8. View of type from anal side. 

 9, 10. Same specimen from side. 



Helderberg formation, Keyser member, Keyser, W. Va. 



Figs. 11, 12. SPH^EROCYSTITES MULTIFASCIATUS Hall 245 



11. A large specimen, from anal side; most of the sculpturing con- 



sists of the ambulacral branches. X 2. 



12. The same individual from above. X 2. 



Helderberg formation, Keyser member, Cash Valley. 



Figs. 13, 14. SPH^ROCYSTITES GLOBULARIS Schuchert 247 



The type seen from anal side and above. X 2. Helderberg formation, 

 Keyser member, Keyser, W. Va. 



