/ 



\ 



'I 



HUTTONIAN THEORY. 



5t 



gular tops of the fchiftus 



fragments 



f th 



d alfo involve 



rocki fome 



r 



d and fmooth, as if worn by 



g 



oth 

 Fr< 



this he concluded, th 



r 



primary itrata, afte 



being formed at the bottom of the fea, in pi 

 nearly horizontal, were raifed. fo as to 



become 



almoll vertical, while they were yet covered by 

 the ocean, and before the fecondary ftrata had 

 begun to be depofited on them. He alfo argued, 

 that, as the 



fragments of the primary rock 



eluded in the fecondary, are many of them 

 rounded and worn, the depofition of the latter 

 mufl have been feparated from the elevation of 

 the former by fuch an interval of time, as gave 



d decay, al- 



room for the ad: 



of wafte 



lowing thofe fragments firft to be detached, and 

 afterwards wrought into a round figure *4 



44. Indeed, the interpofition of a breccia b 

 tween the primary and fecondary ftri 

 which the fragments, whether round or 



in 



always of 



ang 



primary rock, is a fad fo 



general^ and the quantity of this breccia is often 



fo great, th 



it leads to a conclufion more p 



from 



radoxical than any of the preceding, b 

 which, neverthelefs, it feems very difficult to 

 with-hold aflent. Round gravel, when in great 

 abundance, agreeably to a remark already made. 



mull necelfarily be confidered as 



D 



- ^ 



* Note xu 



produdion 

 peculiar 



