252 



THE BATH OOLITE PERIOD. 



CHAP. 



1 



P 



If 

 It 



41 



s -a - 



O PH PH P-( 



I e 



02 02 



<o v .53 < 



a a S a 

 O O PM O 



tl 

 iii 



O g 



ta cu 

 O 02 



% 



I 

 i 1 1 1 1 1 1 



H? dS M PH w ^ 



