135 



ILLUSTRATIONS OF THE 



ftate of 



regions makes it reafonabl 



to prefiime, that thefe conditions are wanting 



<5 



in the bowels of th 



arth, where, of confe 



quence, we have a right to look for nothing but 

 panfion and fufion, the only 'operations which 

 'in eflential to heat, and'infeparable from the 



it, in certain degrees, to certain 



fe 



application of it, in certain 



fubftances. Though this principle, therefore, 



had no countenance from analogy, the admirable 



fimpiicity, and th 



ity, which it introduces 



into the phenomena of geology, would fufficient- 

 ly juftify the application of it to the theory of 

 the earth. 



As 



of th 



perhap 



b 



feq 



thor 



s theory, I may, 

 .-ed to remark, that it extends 

 beyond thofe to which the au- 



of it has himfelf adverted, and that it 

 aflbrds, which no geological theory has yet done, 

 a fatisfadory explanation of the fpheroidal fi- 

 gure of the earth *. 



133. Yet, With all thefe circumftances of ori- 

 ginality, grandeur, and fimpiicity in its favour, 

 with the addition of evidence as demonflrative 

 as the nature of the fubjed will admit, 

 theory has probably many obilacles to overc( 



th 



be for 



It 



th 



gen 



approbation 



Th 



fs of the objeds which it fets bef 



alarms th 



/i 



^ 



g 



fuppofes to be lodged 



the 

 he 



p \] 

 fubt 



* Note xxv. 



which it 

 eous re- 

 gions^ 



