244 



At p, 198, an account is given (confess 

 sedJjjin part, theoretical,) of the manner 

 in which Wind and Cold operate on trees, 

 so as to retard their growth ; bqt we need 

 liot be anxious, whether such reasoning 

 prove perfectly correct ; as the fact now 

 asserted is too obvious to be denied, — ■ 

 namely, that the starvation introduced 

 into woods, at the falls, stints the growth 

 of the trees, particularly the younger part 

 of them, for several years afterwards. 



That the warmth of the atmosphere in 

 a wood, thick enough for the trees to 

 shelter each other, but not so as to exclude 

 a reasonable quantity of air, will be much 

 beyond that of an open situation, cannot 

 be doubted; no more than that almost 

 every wood is, from its nature, capable of 

 being maintained a permanent shelter. 



The epithet haj^dij has been so con- 

 stantly applied to the oak, that what is 

 only true of the wood, is generally be- 



