176 



tvinter, as before, the produce of new 

 ones proved much the same as in the two 

 years preceding. The girt was again taken, 

 October, 3, 1805, and proved rather short 

 of two feet one inch and a half. The in- 

 crease of nearly half an inch this year, 

 was evidently in consequence of its being 

 scarified, by having the point of a knife 

 drawn through the bark, to the whole 

 depth of it, from two or three feet above 

 the girting-place, to the root ; the width 

 of the niche, the effect of that operation, 

 corresponding exactly with the increase 



of girt. This tree grew quite detached 



from anyjrjbther, and had abundance of 

 good soil and moisture. 



Another Poplar, the girt of which was 

 two feet two inches, three feet from the 

 ground, was measured about the same 

 time as the foregoing; its head and all the 

 branches being left upon it. The girting 

 place being some feet below any of the 

 latter, swelled in the course of the summer 



