aart. Journ. Geol Soc. Vol. LIX, PL XXV. 



Lesnewth Slates 

 Tr.edorn Beds 

 Upper Blue-black Slates 

 Volcanic Series 



Lower Blue-black Slates 

 Hallwel! Cottage Beds 

 Penpe.thy Beds 



Slaughter bridge Beds 



' Green stone' 



-.-Faults 

 • -»— Rai.Iw.ay 

 Road 



