. 2. , . TISRJ^D TIMBER TREES. 



and of the influences they severally exert on the strength 

 and durability of the pieces in which they occur ; and, 

 further, to offer a few remarks on the principal points 

 that should be attended to in selecting timber for use. 



It will also be in keeping with the object in view, 

 if I treat of the growth and formation of timber trees, 

 a slight knowledge, at least, of this being necessary to 

 enable us to appreciate their character and general 

 caoabilities. 



