PLATE LVir. 



Page 



Cactocrixus nodobkachiatus W. and Sp 622 



Fig. 1. Posterior side of a fine specimen with arms ; the arms incurving and toucli- 

 ing the summit of the disk. 



2. Anterior view of another specimen. 



Cactocrinus orxatissimus W. and Sp C21 



3. Posterior view of the type specimen. 



Cactocrinus Arnoldi W. and Sp 024 



4«. Specimen with arms and pinnules (the nodes upon the arms are not ptre- 



served.*) 

 4//. Side view of the calyx, showing the left antero-lateral raj'. 



Cactocrixus dexticulatus W. and Sp COG 



5a. The type specimen, showing the right posterior ray. 

 5b. Portion of an arm from near the upper end (enlarged). 



_ Cactocrixus extexsus W. and Sp GIC 



6. Lateral view of the calyx. 



7. Specimen with arms, anal tube, and column. 



Cactocrixus loxgus (Meek and Worthen) 609 



8. Anterior view of an unusually fine and large calyx. 



Cactocrixus claeus (Hall) 612 



9. Lateral view of a large dorsal cup with almost smooth plates. 



10. Anterior view of a specimen with ornamented plates. 



Cactocrixus reticulatus, var. ovatus (Hall) 600 



11. Anterior view of the calyx. 



Cactocrixus tiialia (Hall) C04 



12. Anterior view of the dorsal cup. 



13. Another specimen, showing the left posterior ray and anal interradius. 



(All the specimens in the collection of Wachsmuth and Springer.) 



* Tliis figure is misleading iu giving the appearance of spiues to some arra-fragments lying upon the 

 disk. 



