PLATE IX. 



Page 

 Eeteoceinus Onealli (Hall) 179 



Fig. Ifi. Anterior view of a specimen with arms (f). (Coll. I. H. Harris.) 

 li. Posterior view of another specimen with arms. (Coll. W. and Sp.) 

 If. Lateral view, showing ventral disk. (Same collection.) 

 ] (f. A portion of the ventral disk enlarged. (Same collection.) 

 le. Inner floor of the calyx, showing the small supi^lementary plates which 



surround the primary interbrachials (^). (Same collection.) 

 ]/. The type of " Gli/i^tocrinus cognatus." (After Miller.) 



Eeteoceinus magnificus S. A. IMiller 181 



2. Side view of a specimen with arms and portions of stem. (Col. I. H. Harris.) 



Eeteoceinus stellaeis Billings 178 



.'V(. One of the type specimens, posterior view. (Museum Geol. Surv., Canada.) 



3/;. Anterior view of another type specimen. (Same collection.) 



3c. Part of the calyx, showing the fixed brachials. (Same collection.) 



Eeteoceinus fimbeiatus Billings 179 



4. The type specimen in a lateral view. (Jluseum Geol. Surv., Canada.) 



Xenoceinus Baeri (Meek) 185 



&ii. Posterior view of a specimen with arms. (Coll. I. H. Harris.) 



Ijh. Lateral view of another specimen with arms. (Coll. W. and Sp.) 



5c. Inner floor of calyx Ql). (Coll. I. H. Harris.) 



M. Section of an arm, greatly enlarged. 



Xenoceinus penicillus S. A. Miller 183 



Ga. Lateral view of one of the types (t). (Same collection.) 



G//. Posterior view of another type specimen {\). (Same collection.) 



Tanaoceinus typus W. and Sp 186 



7rt. Posterior view of a type specimen (f). (Coll. W. and Sp.) 



~h. Anterior view of another type specimen (f). (Same collection.) 



7t'. The stem, enlarged. 



