354 



ILLUSTRATIONS OF THE 



their waters were deep, or high enough to fin<i 

 a vent, either under the bafes or over the tops o£ 

 the oppoling ridge. Thus there would be form- 

 ed immenfe lakes and immenfe catarads, which, 



what was too low, and cutting 



h 



& 



ould in time refto 



I 



by filling up v 

 down what was 

 fuch a uniform declivity of furface as had before 

 prevailed. Jull fo in the times that are pad, 

 whatever may have been the irregularities of the 

 furface at its firft emerging from the fea, or 

 whatever irregularities may have been produced 

 in it by fubfequent convuliions, the flow ac- 

 tion of the flreams would not fail in time to 

 create or renew a fyilem of valleys commu- 

 nicating with one c 

 at prefent behold, 

 ces, would find its 

 though, where 



oth 



like that which 



Water, in all 



way 



to th 



circumftan- 



r 



well point j 

 .lite irregu- 



would not do fo till after being dammed 



filed in catarads 



th 



furface w 



q 



up in a thoufand lake 

 over a thoufand precip 



or 



Wh 



ther of 



thefe is the cafe 



d where the lake and the 



there 



tarad are comparatively rare phenomena ; 

 we perceive that conftitution of a furface, which 

 water alone, of all phyfical agents, has a tenden- 



ice : and we mull conclude, that the 



cy to produce ; 

 probability of fuch a conft 

 from another caufe, is, to 



ion having arifen 

 probability of its 



having 



