THE OOLITIC ECHINODERMATA. 



419 



the genera and species of the Oolitic Echinodermata. 



Combrasb 



MIDDLE DIVISION. 



Kellonay 

 Kock 



Oxford 

 Clay. 



Lower 

 Calc. Grit 



Coralline 

 Oolite. 



Upper 

 Calc. Grit 



UPPER DIVISION. 



Kinirac- 

 ridge Clay 



Portland Portland 

 Sand. Oolite. 



Purbeck 

 Beds. 



Observations and Foreign 

 Localities. 



France, Germauy, and Switzer- 

 land. 



Switzerland. 

 Boulogne-sur-Mer. 

 France. 

 Germany. 



Ranville, France. 

 Ranville, France. 



Luc, France. 

 Ranville, France. 



