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In the second paper by Hull, 1 written after a more detailed 

 examination of the district round the Pendle Range, the following 

 comparative vertical sections are given of the Carboniferous strata 

 from North Lancashire to Leicestershire : — 



Burnley Mottram 



District. District. 



Feet. Feet. 



Coal Measures 8640 7635 



Millstone Grit Series ... 5500 2500 



Yoredale Series 4675 2000 



North 



Staffordshire. Leicestershire. 



' Feet. Feet. 



6000 3000 



500 50 



2300 50 



1 Q. J. G. S. vol. xxiy (1868) pp. 319-23. 



