HUTTONIAN THEORY. 



493 



250 X 5 to 2x1, or of 625 to I. It follows, 

 then, that minerals in general cannot be fuppo- 

 fed foiuble in lefs than 625 times their bulk of 

 water. 



432. Again, it muft be allowed to the Neptunifts, 

 that the fluidity of the whole earth is not ne- 

 ceflary to account for its aiTuming the fpheroldal 



figure. 



It is fufficient if the whole of that cruft 



fheil of 



fluid 



hich is contained 



between the adual furface of the terreflrial fphe 

 roid, and the furface of the fphere infcribed with 



in It • 



that i-^ 



f the fpl 



hich has for its 



diameter the polar axis of the earth. The whole 



of the minerals 



leaft h 



hich conipofe this fhell, mull 



been diffolved in wate 



formed the chaotic mafs of Mr K 



nd have 

 n. The 



fth 



equired for this was not 



lefs than 625 times the bulk of the fpheroidal 

 ihell that has juft been mentioned. 



But, affuming the difference between the polar 



axis and the equatorial diameter to be — of the 



latter, which is the fuppofition moft agreeable tc 

 the phenomena, it is eafy to fhew that the mag- 



or the dif 

 the folid content of the earth. 



nitude of the above fpheroidal (hell 



ference 

 and th 



1 



between 

 e fphere i 



d lefs tha 



fcribed 



is greater than 





f the whol 



earth 



fo 



that 



