﻿THE OOLITIC ECHINODERMATA. 423 





MIDDLE DIVISION. 



UPPER DIVISION. 



























Observations and Foreign 

























Localities. 



Forest 

 Marble. 



Cornbrash 



Kelloway 

 Rock. 



Oxford 

 Clay. 



Loner 

 Calc. Grit. 



Coralline 

 Oolite. 



Upper 

 Calc. Grit. 



Kimme- 

 ridge Clay. 



Portland 

 Sand. 



Portland 

 Oolite. 



Purbeck 

 Beds. 

























France. 





























* 







* 



* 





* 













* 

 * 









* 













France, Germany, and Swit- 

 zerland. 



Ranville and Luc, France. 





* 









* 













Ranville, France. 



Ranville, Port-en-Bessin, 

 France. 



France and Switzerland. 



55 



