Cyat. 



166 



Cyathocrinus multibrachiatus. Lyon & Casseday, 1859. 









1 1 



i 







-J.pI.39 



Cyathocrinus ornatissimus. Hall, Geology of Fourili Uis^ 



trict,N.Y., 

 1813, page 

 247, fig. 

 108,1,2,3, 

 4, 5. Po7't- 

 ^^e forma- 

 tion. (Figs. 

 1,2,3,4,5 

 show sec- 

 tions of the 

 stem at 

 various 

 heights 

 from the 

 base or 

 root of the 

 stem.) It 

 occurs on 

 the shores 

 of Lake 

 Erie,in the 

 own of 

 Portland, 

 only in one 

 bed of 

 rock, only 

 six inches 

 thick, and 

 e:jvtendin g 

 only ten 



