Q.J.G.S. Yol. xliv.] 



[2b/accp. 700. 



( ( 



Fig. 13. — Vertical Section of Sioclcdah Shales. 

 (Scale about 1 inch to 50 feet.) 



Coniston Flags. 



Upper, i 



m i 



Lower, -^ 



rJ 



Upper. - 



I 



( 



I 

 Middle. -{ 



[ Lower. 



B6 2— 



B6]- 



Ba 



Ba 1- 



Ac 5- 



Ac4— 

 Ac 3 

 Ae2\ 

 Acl^ 

 A6 6- 

 A5 5^ 

 A6 4— 

 A6 3- 

 A6 2— 

 A61— 

 Aa2— 



> Aal— 



Ashgill Shales. 



-Zone of Monograptus crispus. 



— Zone of AJonograptus turriculutu^. 



— Zone of Eastriies maximus. 



— Zone of Acidaspis erinaceus. 



/Zone of Monograptus spinigerus. 

 ^Zone of Ampyx aloniensi^. 



^Clingani-Band. 

 "^Barren Band. 



— Zone oi Monograptus ooncolutus. 

 — Zone of Phacops glaber. 

 — Zone of Monograptus argenieu-n. 

 — Zone of Encrinurus punctatus. 

 — Zone of Monograptus fimbriatus. 

 — Zone of Dimorphograptus conferti 

 — Zone of Diplograpt us acuminatum. 



