﻿Explanation of Plate XL! A" 



. illustrations on this plate are one-third smaller than the specimens.) 



Figs. 1-5. Camarocrinus stcllatus Hall p. 269 



Figs. 1-3. Three transverse cuts through the same bulb: the letters 

 indicate the same wall in the different sections ; M, the 

 medio-basal chamber. 

 Fig. 4. Another specimen cut through the center longitudinally ; M . 



medio-basal chamber. 

 Fig. 5. A second bulb cut through the center longitudinally. All 

 35.080. 

 Manlius formation, near Keyser, West Virginia. 



