PLATE LXI. 



Page 

 Steganocrinus sculptus (Hall) 583 



Fig. la. Posterior view of a large specimen with arms, anal tube, and stem. 



lb. Lateral view of a very large calyx. 



lc. Posterior view of another calyx. 



Id. Young specimen with arms and column. 



le. Portion of one of the tubular appendages, showing the bases of the arms (f). 



if. Cross-section of the same (f ). 



Steganocbinus araneolus M. and W 581 



2a. Dorsal aspect of a specimen with arms. 



25. Lateral view of the calyx, and the lower end of the anal tube. 



Steganocrinus pentagonus (Hall) 579 



3a. Ventral aspect of a specimen, showing portions of the arms. 



3b. Anterior view of a large calyx. 



3c. Ventral aspect of the same specimen. 



3d. Distal face of the first distichal (enlarged). 



3e. Posterior view of a smaller specimen with more regularly arranged covering 



pieces. 



4a. Posterior view of a specimen from New Mexico. 



45. Ventral aspect of the same specimen. 



Steganocrinus concinnus (Shumard) 582 



5a. Lateral view of the calyx. 



55. Ventral aspect of a small specimen. 



Steganocrinus globosus W. and Sp 585 



6. Lateral view of the type specimen. 



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



