DISTRIBUTION. 



205 





Calciforous 



Sandstone 



Series. 



Carboniferous Limestone. 



1 



So 



if 



1 1s 

 ass 



Lower. 



1 



Upper. 

 2 



a> a) o> 

 3 



01 



d 



I" 



4 



rt .2 



Q02 



.1 . 



J; i S 



JM*s 



6 



7 



8 









X 



X 



X 

 X 



X 



X 



X 

 X 





X 



X 



X 



X 

 X 



X 



X 



X 



X 

 X 







,, rectangularis, M'Coy, sp. ... 



,, orbicularis, M'Coy, sp 



,, nuculoides, M'Coy, sp 



sequilateralis, M'Coy, sp. ... 

 ,, subtruncatus, M'Coy, sp. ... 



Cardiomorpha oblonga , Sow. , sp 



„ Nysti, de Kon 











,, corrugata, M'Coy, sp 



,, Egertoni, M'Coy, sp 





... 







X 



X 

 X 

 X 

 X 

 X 

 X 



X 

 X 



X 

 X 



X 

 X 



X 









,, Josepha, de Kon 































„ scalaris, M'Coy 



„ accipiens, Sow., sp 







,, angulata, de Kon., sp 



28 



