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can the fun only outwardly, be fuppofed to 

 be the prime inftrument, . in the caufing fuch 

 ufual filTures and chalms therein ; as the 

 fame are as great on the northlide of an Oak, 

 as on any other point ; yet had not nature 

 provided fome like integument, to refift 

 on occafion, too great a dilatation of the 

 fap within the body laterally ; and withal 

 had not the horizontal trachaeus infertions, 

 or tubes within, been much fmaller than the 

 perpendicular this lofty and proud vegeta- 

 ble would otherwife, by the means alfo, of 

 the declining pofition of the fun in this our 

 hemifphere (whereby the aid of his greater 

 attraftion would have been much affifting) 

 have grown out very improportionately in la- 

 titude. 



Facts, that are determinable by ftatics, 

 on mathematical demonftration, have the 

 happinefs in one fingle inftance to carry con- 

 vidion. But fince fuch as are defineable 

 only, by a logician, and thofe more efpe- 

 cially, whofe truth is difcernible fimply by 

 the fainter light of fpeculation, cannot have 

 too various enforcings of that kind, to gain 

 univerfal confent ; I fhall proceed in that 

 manner to evince, that there may be many 



other 



