418 



STRATIGRAPHICAL DISTRIBUTION OF 



A Table showing the StratigrajpMcal distribution of 





LOWER DIVISION. 



FAMILIES, 

 GENERA, AND SPECIES. 





Lias. 



Inferior Oolite. 



Great Oolite. 



Lower 

 Lias. 



Middle 

 Lias. 



Upper 

 Lias. 



Murchi- 

 soniE zone. 



H^imphrie- 

 sianus 

 zone. 



Parkinsoni 

 zone. 



Puller's 

 Earth. 



Stonesfield 

 Slate. 



Great 

 Oolite. 



Bradford 

 Clay. 





Fam. ClDAElD^. 

























Cidaris Edwardsii, IVright 



* 



* 





















Ilminsterensis, Wright . 







* 



















Mooreii, Wright . 







* 



















Fowleri, Wright . 





■•■ 





* 

















Boucbardii, Wright 









# 





* 



. 











Wrightii, Desor 









# 

















confluens, Forbes . 













* 













Bradfordensis, Wright . 





















* 





florigemma, Phillips 

























Smithii, Wright 

























spinosa, Agassiz 

























Boloniensis, Wright 

























Rabdocidaris Moraldina, Cotteau . 





* 





















maxima, Milnster . 











* 















Diplocidaris Desori, Wright . 









* 

















Wrigbtii, Desor 









* 

















Cotteauana, Wright 





... 







* 















Fam, HEMiciDAaiD.«). 

























Hemicidaris granulosa, Wright 













* 













pustulosa, Agassiz . 











... 



# 













Stokesii, Wright . 











... 







-t 









Luciensis, d'Orhigny 











... 







... 



* 







minor, Agassis 











... 









* 







Ramsayii, Wright . 



















* 







