THE OOLITIC ECHINODERMATA. 



425 





MIDDLE DIVISION. 



UPPER DIVISION. 

























Observations and Foreign 







Kelloway 

 Kock. 



O.xford 

 Clay. 



Lower 

 Calc. Grit. 



Coralline 

 Oolite. 



Upper 

 Calc. Grit. 



Kimme- 

 riilge Clay. 



Portland 

 Saud. 



Portland 

 Oolite. 



Purbeck 

 Beds. 



Localities. 



Forest 

 Marble. 



Cornbrash. 

























Pliensbach bei Boll, Wiirttem- 

 berg. 



* 



# 























* 

























* 



* 





















Ranville, Chatel - Censoir, 

 France ; and Soleure, 



* 



* 

 * 









* 

 * 





... 









Switzerland. 

 Bar-sur-Aube, Yonne, France. 



France, Germany, Switzer- 

 land. 



France, Germany, Switzer- 

 land. 



* 



* 







* 



* 













Druyes, Chatel - Censoir, 

 Coulanges - sur - Yonne, 

 St. Mihiel, France. 



* 



* 



* 

 * 

 * 





















France, Germany, Switzer- 

 land. 



Mamers, Sarthe, France. 



