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This cafualty however proved not the 

 ieaft difcouragement to me 3 as I found up- 

 on infpe^^lion, the like germinations, from 

 the fame caufe, befel fome other which 

 before were clear in their bodies, and had 

 undergone no debarkation of this kind. To 

 account for which events more fully, I find 

 it needful to corroborate my own way of 

 thinking, by one of the Halean thermome- 

 tral experiments : In which altho' the Doc- 

 tor foreftalled me in the Static proof, he 

 did not in the thought 3 as I ever entertained 

 an opinion conformable thereto, viz. — that 

 the heat of the earth pretty deep, is very 

 near the Jame^ both night and day, in the 

 fummer, or fpring, either. As therefore 

 this muft be granted on fo many accurate 

 trials as he made 5 I need not many words 

 to urge, that the fudden cold of an evening, 

 or morning air, upon the fetting in of an 

 eafterly, or north wind together with 

 additional weight of the atmofphere in the 

 night, muft neceffarily be the occafion of 

 an almoft total depreffion of the fap, froni 

 the head of any tree downward, which was 

 not condens'd into wood. And whereas, 

 as before fuggefted, the fap keep's on it's 



