﻿98 



BRITISH FOSSIL CRUSTACEA. 



Localities. 



Formations. 



Fossil Contents. 



Oj 



S 

 o 



Near Ludlow, at Boulden, Whit- ^ 

 baitch, and Oakley Park. « 



r3 



P3 



Lower Cornstones. 



Pteraspis,Scaphaspis,Cephalaspis 

 Lyellii, Zenaspis Salweyi. 



o 



Micaceous soft red marl beds. 



Pteraspis, Scaphaspis, and Cepha- 

 laspis. 





Hard stone. 





Paper Mills. 



Hard micaceous beds. 



Cepkalaspis Ifurchisonii, Ptery- 

 gotus Banksii, Eurypterus (3 

 species). 



«3 



Olive Shales. 



Overbury Ludlow Railway. g^ 



w 

 cS 



Hard micaceous beds. 





Different coloured thin beds. 



Auchenaspis, Scaphaspis. 





Red beds. 





Bull Ring, Ludlow. 



Greenish-grey micaceous beds 

 with nodules of soft perishable 

 mudstone. 





Oniburv, &c. 



c 



OS 



3 

 j» 

 a> 



CL, 



Forge Bridge. ^ 



Downton Sandstone. 

 Dark-olive stone. 



Pterygotus (scarce). 



Eurypterus. 

 Pterygotus, Eurypterus. 





Shales. 



Bone-bed. 





Upper Ludlow beds. 1 



1 From a section by Mr. Marston, with the exception of placing the demarcation of the Upper Ludlow 

 at the Lower Bone-bed. 



