THE CARBONIFEROUS PERIOD. l6l 



daily undergoing increase. It is not to be supposed, however, 

 that the remains of plants are found solely in the Coal> 



GENERALISED SECTION OF THE CARBONIFEROUS STRATA 

 OF THE NORTH OF ENGLAND. 



Fig. 107. 



13 



8-* 



< o 

 u 



::* : W \"> I* :::-. ?.#.... 



"% " ii '" .v fl i "u" ".."\.3S; 



I. " I, " ti ' 



,. ,, u i. 



_1J U u ii h ii ii n n ir 



II II 



Permian (New Red Sand- 

 stone). 



Coal-measures. 



- Millstone Grit. 



Yoredale Series. 



Scar-Limestone Series. 



Basement r>eds (Conglom- 

 erates and Sandstones). 



measures ; for though most abundant towards the summit, 

 they are found in less numbers in all parts of the series. 

 Wherever found, they belong to the same great types of vege- 



