HUTTONIAN 



THEOFvY 



527 



that has flood this double tefl of the analytic and 

 fynthetic methods^ 



;^ Dr Hutton has furnilhed us 

 with an excellent inftance, in his explanation of 



granite. The appearances which he obferved 

 in that ftone led him to conclude, that it had 

 been melted, and injeded while fluid, among the 

 Itratified rocks already formed. He then confi- 



dered, that if th 



ofg 



£1 



ft 



often run from the larger mafles of that fto 



and pen 

 and thi 



; th^ 

 ft b 



ft 



in 



dire(5t 



fible at thofe pi 



h 



thefe different kinds of rock come into contad 



th 



one 



th 



T 



led him to fe 



in 



Arran and Glen-tiit for the phenomena in quef- 

 tion ; the refult, as we have feen, afforded to his 

 theory the fulleft confirmation, ai 



d to 



felf 



high fatisfadion which muft 



accompa 



ny the fuccefs of candid and judicious inquiry 



459. It cannot, howe 



be denied, that 



partiality of an obferver may often be affeded 



by fyil 



but th 



is a misfort 



gainft 



plete fecurity 



ways a com 



f theory is not a 

 The partialities in favour of op 



1 



nions are not more dangerous than the prej 

 ces againft thein ; for fuch is the fpirit of fy ft 

 and fo naturally do all men's notions tend to 

 duce themfelves into forae reofular form, tha^ 



c m e s 



very belief that there can be no theory, b( 



a theory itfelf, and may have no inconfiderable 



r ^^ 



f w ay 



