PLATE LXI. 



Page 



Steganocrin'us sculptus (Hall) 583 



rig. la. Posterior view of a large specimen with arms, aual tube, and stem. 

 lb. Lateral view of a very large calyx. 

 Ic. Posterior view of another calyx. 

 1(7. Young specimen with arms and column. 



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

 ]/. Cross-section of the same (^). 



Steganoceinus akaneolus jM. and AV 581 



2a. Dorsal aspect of a specimen with arms. 



2b. Lateral view of the calyx, and the lower end of the anal tube. 



Stegaxocrinus pentagoxus (Hall) 579 



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



3j. Anterior view of a large calyx. 



3". Ventral aspect of the same specimen. 



3(7. Distal face of the first distichal (enlarged). 



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



pieces. 

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

 ib. Ventral aspect of the same specimen. 



Steganoceinus concinnus (Shumard) 582 



07. Lateral view of the calyx. 



ob. Ventral aspect of a small specimen. 



Steganoceinus globosus W. and Sp 585 



C. Lateral view of the type specimen. 



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



