24 



ILLUSTRATIONS OF THE 



fome bod 



to 

 yet 



es, fuch as the calcareous, are able 

 fift its force on the furface of the earth 



h 



JLifl: been flie 



it is perfedly a- 



greeable to analogy to fuppofe, that, under 



great 

 being 



ble n 



preirii 



O 



the carboni 



flat 



of 



ferved, the purell 



fl 



ght be foftened, or even melted 



;he lime 



r 



or mar- 

 . With 



J^^ 



refpedl to other fubllances, lefs doubt of th 



fuflbility is 



per 



th 



ous 



th has not bee 



^^ 



degree of foftnefs 



tied ; and though, in our 

 fradory nature of filice- 



ompletely fubdued, a 

 incipient fulion have 



d 



an 



verthelefs been induced. 



Thus it appears, in general, that the fame dif 



ficult 



d 



not prefs againll the two th 



of aqueous and of ig 

 that the latter en 



1 



mo 



powerful 



pioys an ag 

 an the 



nfolidation ; and, 



^nt incomparably 



former, of more gene- 



ral adivity, and, what is of infi 



in a 



phiiofopl 



theory, vaftly 



port? 

 defi 



8. A 



m 



of its operation 

 )re particular 



examination of the 



different kinds of foffils will confirm this con- 

 clufion, and will Ihow, that, wherever they bear 

 marks of having been fluid, thefe marks are fuch 

 as chara6lerize the fluidity of fufion, and diftin- 

 ;uifli it from that which is produced by folu- 

 tion in a menflruum. Dr Hutton has enume- 

 rated many of thefe difcovered in the courfe of 



that 



