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great traveller on the Main^ be ftudious to 

 confine my felf to themes lefs chargeable 

 with perplexity, or likely to create any lan- 

 guor in them, from my deduction of feveral 

 points from one general head : Begging par- 

 don firft of fuch as are prseadvifed of any 

 intimations paft, or to come, efpecially if 

 they are fo obvious as not to bear once the 

 repeating. I am not infenlible there are 

 divers of the learned, among whom it would 

 be ambition high enough in me to commu- 

 nicate in the whole to them, an Anecdote^ 

 or two of nature : For I pretend to give 

 fuch no general information, but what the 

 perfpicuity of their own minds would have 

 led them a diredter way to, if they gave lefs 

 application to other matters. 



In reference to whom I think however, it 

 may bear commemorating, that all debarked 

 boughs leave out fooner the fpring after, 

 than any other 5 as thence arifes the admo- 

 nition of a material fylvatick ceconomy : The 

 fad: of their fo leaving, if I remember right. 

 Dr. Hales has mentioned in his vegetable 

 Statics, and has likewife offered reafons for 

 it, but without the like application — I take 

 it for granted that no gentleman that is eafy 



in 



