Vegetable Statich. 99 



rifen higher , if it had not been clogged 

 by the mercury in the gage z. For which ' 

 reafon the moifture rofe but 20 inches in 

 the afhes, where it would othcrwife have 

 rifen 30 or 40 inches. 



And as Sir Ifaac Newton (in his Op- 

 ticks query 31.) obferves, " The water rifes 

 u up to this height, by the adion only of 

 " thofe particles of the afhes which are 

 " upon the furface of the elevated water ; 

 u the particles which are within the water, 

 " attrading or repelling it as much down- 

 " wards as upwards ; and therefore the ac- 

 " tion of the particles is very ftrong : But 

 " the particles of the afhes being not fo 

 " denfe and clofe together as thofe of 

 " glafs, their adion is not fo ftrong as that 

 " of glafs, which keeps quick- filver fufpen- 

 cc ded to the height of 60 or 70 inches, 

 " and therefore ads with a force, which 

 " would keep water fufpended to the height 

 il of above 60 feet. 



" By the fame principle, a fponge fucks 

 " in water, and the glands in the bodies of 

 " animals, according to their feveral na- 

 " tures and difpofitions, fuck in various 

 " juices from the blood." 



H z And 



