﻿THE OOLITIC ECHINODERMATA. 419 



the genera and species of the Oolitic Echinodermata. 





MIDDLE DIVISION. 



UPPER DIVISION. 



Observations and Foreign 

 Localities. 























Forest 

 Marble. 



Cornbrash. 



Kelloway 

 Bock. 



Oxford 

 Clay. 



Lower 

 Calc. Grit. 



Coralline 

 Oolite. 



Upper 

 Calc. Grit. 



Kimrac- 

 ridge Clay. 



Portland 

 Sand. 



Portland 

 Oolite. 



Purbeck 

 Beds. 















* 













France, Germany, and Switzer- 

 land. 











# 



* 













Switzerland. 

 Boulogne-sur-Mer. 

 France. 

 Germany. 



Ranville, France. 

 Ranville, France. 



Luc, France. 

 Ranville, France. 



