, r ^7j ] 



fincff, but not in any drgree equal to the extcne 

 as 4t that time. 



Thcfc trees (which were then about 16 years qld) 

 were gnawed round the flem, about 10 or 12 

 (cet from the ground, in the manner dcfcribcd in 

 the Society's letter. 



The trees lingered through that and part of the 

 next year; but the bark immediately below the 

 wound, fwelling and forming a callous, the greateft 

 part of the trees were broken off by the winds in the 

 autumn and winter of 1789. 



I made the following obfervations, on the kind 

 of trees the fquirrels chiefly preyed on, and the na- 

 ture of the plantations in which thofe trees grew. 



They attacked only Scotch firs, though fpruce, 

 filvep, and larch, were in the fame plantation. 

 They chiefly fell upon the moft luxuriant and fafteft 

 growing trees, whofe bark was thinned, and of 

 courfc moft full of turpentine. They fpared the 

 rugged barked trees, or where they began upon 

 fuch trees, they left them without barking them 

 round. The time was in March and April ; and 

 the plantation was near a large native foreft, where 



the 



