'^■ 



'^nii 



'gtl 



ediai 

 rod 

 bei{ 

 :eriii' 

 totl 



sr I 



thei 



ibe! 



> 



9 



ac 



I 





ref 



HUTTONIAN THEORY. 



5 



but from this point they beg 



diverge, and 



each to affume a character and diredion pecu- 

 liar to itfelf. Dr Mutton's does fo, by laying 

 down this fundamental propofition, That in all 

 the ftrata we difcover proofs of the materials 



r 



having exilled as elements of bodies, which mufl 

 have been deftroyed before the formation of 

 thofe of which thefe materials now adually 



make a part *♦ 



2. The calcareous llrata are the portion of 

 the mineral kingdom that gives the clearelt tef- 

 timony to the truth of this alTertion. They of- 

 ten contam fhells, corals, and other exuviae of 

 marine animals in fo great abundance, that they 



appear to be 

 Though thefe 



pofed of 



oth 



m 



f organized bodie 



now 

 (hap 



lonverted into ftone 

 and interior ftrudu: 



or mto 



are often fo 



th 



well 



prcferved, that the fpecies of animal or plant of 

 which they once made a part, can ftill be diftin- 

 guilhed and pointed out 



^^' bitantsofthe 



among the living inha 



Others of the calcareous llrata 



t'^' compofed of fragii 

 ucii which, after havi 

 n^^' again united into a 



eces clearly 



appear 



be 



of fome ancient rocks 



g been broken, h 



been 



ai« find 



pad ft 



In thefe w 



P 



rked as having been once 



continuous, but now placed at a 



A3 



* Hutton's Theory, vol.i. p, 2o, &c. 



diftance from 



one 



