Pig. 



Vertical section of the Downton- Castle inlier at Forge Bridge, 

 on the scale of 6 feet to the inch. 



Fa< 



Ee< 



j Variegated rubbly 

 V marls, with con- 

 ^ eretions contain- 

 ing Lingula cor nea. 



Green micaceous 



sandstones. 

 Rubbly shale. 



Green micaceous 

 sandstones. 



Thinly-bedded, 

 yellow micaceous 

 sandstones, with 

 Lingula cornea : 

 current-bedded. 



Fish-Bed. 



Kd\ 





Thinly-bedde, 

 yellow micace 

 sandstones, 

 current-bedded. 



Carbonaceous 

 sandstones, with 



ingula minimal 

 current-bedded. 



Massive 



yellow 



sandstones, 



with Lingula 



< Downton Bone-Bed,. 



< with Pl'atyschisma. 



Sandy mudstone. 

 Ludlow Bone-Bed. 



Shales, 



sandstones, 



and flags, 



with 



Spirifera elevata. 



Olive-green 



flags, with 



Chonetes 



striatella. 



