372 



H. HICKS ON THE OCCTJEBENCE OP 



.5? 



^ 



%. 

 S 



J 



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■♦o o 



Rq 



r«S 



S 



■5 



o 

 o 



Sandstones. 



Dark flags. 



Black slates (cleavage strong). 



Trap. 



Black slates with veins of ealc-spar. 



Trap. 



Black slates (cleavage strong) with 

 P. Davidis &e. in abundance. 



Dark flags. 



Bluish flags, in parts very calcareous, 

 with P. Davidis &c. in abundance. 



Bluish fla gs, very calcareous and richly 

 fossiliferous. 



Bluish flags, calcareous and very 

 fossiliferous. 



Dark grey flags, calcareous and 

 fossiliferous. 



Light grey flags, calcareous and 

 fossiliferous. 



Light grey flags, calcareous and 

 fossiliferous. 



