550 



ILLUSTRATIONS OF THE 



pofitlons quite contrary to any thing I have 



heard of thofe mountains 



bable that this 



V 



But it is pro 



meant, and that the fault 



lies in underftanding th 



preffions much 



too literally. Mr Kirwan accufes Dr Hutton 

 of not knowing where to look for the granite- 



much, notwithftanding any 



not 



of how 



error committed in the pref( 



eftimate, he 



\ 



was {killed in the art 



f mineralogical obfer 



tifed do 

 But. ho 



t, which thofe who have not prao 

 always know how to appreciate 

 ■ imperfed: Mr Kirwan's know- 



ledge of this fubjed: has been, he has here had 



to corred a mineralogilt of 



J mere difpofi- 



information 



Th 



ays 



ithout its ufe 



the good fort 



very fuperior 



tion to oppofe is not 



no man is in every thing free from error, and, 



to controvert indifcriminately all the opinions 



of any individual, is an infallible fecret for being 



fometimes in the right. 



Note xvi. 



100. 



Rivers and Lakes, 



314. Rivers are the caufes of walle moll vi- 



fible to us, and moll obvioufly capable of 



producing 



