220 CRINOIDS. 



A very small form. Dorsal cup basin-shaped, two and one- 

 lialf times wider than high, with plates very convex, and much 

 depressed at the corners. 



Horizon and localities. — Upper Carboniferous, Upper 

 Coal Measures : Kansas City. 



Phialocrinus barydactylus (sp nov ) 



Plate xxviii, fig. 1. 



Crown like in P. harii, but with only a single arm to the 

 ray as a rule, and very robust as compared with those of the 

 species mentioned. 



Horizon and localities — Upper Carboniferous, Upper 

 Coal Measures : Kansas City. 



Phialocrinus magnificus ( Miller & Gueley ). 



Plate xxviii, fig. 4. 



Maiocrinus magnificus Miller & Gurley, 1890: Jour. Cincinnati Soc. Nat. 



Hist., vol. XIII, p. 15, pi. ii, figs. 1-5. 

 Phialocrinus viagnificus Carpenter, 1891 : Ann. and Mag. Nat. Hist., July, 



1891, p. 96. 



Calyx rather small, subglobose, smooth, closely related to 

 Ceriocrinus. Arms very long, slender, ten in number. Ventral 

 sac very long, highly ornamented. 



Horizon and localities. — Upper Carboniferous, Upper Coal 

 Measures: Kansas City. 



Phialocrinus basiliscus ( Miller & Gukley ). 



jEsioo-inus basiliscus Miller & Gurley, 1890 : Jour. Cincinnati Soc. Nat. 

 Hist. , vol. XIII, p. 53, pi. ix, figs. 4-6. 



Very cloeely related to P. magnificus, but with a greater 

 number of arms. 



Horizon and localities. — Upper Carboniferous, Upper Coal 

 Measures : Kansas City. 



Ceriocrinus hemisphericus (Shumaed). 



Plate xxviii, iigs. 2 and 5 

 Poteriocrmus hemisphericus Shumard, 1865 : Trans. St. Louis Acad. Sci., 



vol. I, p. '221. ( Not P. hemisphericus Miller, 1856.) 

 Scaphiocrinus hemisphericus Meek & Worthen, 1875: Geol. Sur. Illinois, 



vol. V, p. 561, pi. xsiv, fig. 1. 



