PLATE XXXIII 



PAGE 



Figs. 1, 2. J^KELOCYSTTS PAPILLATUS Schuchert 234 



1. Anal view. X 2. 



2. Antanal view of the type; pectinirhomb 14-15 is faintly indicated 



on the left. X 2. 



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



Figs. 3, 4. .LEKELOCYSTIS AVEIXANA Schuchert 235 



3. View of type, with the anal opening to the left and pectinirhomb of 



plates 14-15 to the right. X 3. 



4. Same specimen from above, showing the two small discrete-pectini- 



rhombs, the central madreporite, and the large anal opening. 

 X 3. 

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



Figs. 5-9. PSEUDOCRINITES GORDONI Schuchert 236 



5. 6. Two views of type, a specimen somewhat larger than usual. 



7. Another specimen. 



8. A smaller but adult individual of the rounder variety. 



9. An elongate individual, somewhat abnormal in having the ambu- 



lacra drawn over on the anal side more than is usual. 

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



Figs. 10-12. PSEUDOCRINITES ABNORMALIS Schuchert 238 



10. View of the sides having the abnormal position of the lower 



pectinirhomb. 



11. Opposite side of the same specimen. 



12. End view of same. 



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



Figs. 13, 14. PSEUDOCRINITES STELLATUS Schuchert 239 



Two side views of type. Helderberg formation, Keyser member, 

 Keyser, W. Va. 



Figs. 15-18. PSEUDOCRINITES CI.ARKI Schuchert 240 



15-17. Three views of type, an average adult individual. 

 18. A very large specimen of this species. The plates around the 

 pectinirhomb are somewhat broken. 

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



24 



