306 TENDING OF OPEN WOODS FOK LARGE TIMBER. 



and trained for their ultimate purpose. They should consist 

 of the i>est trees which are likely to develop into line, valuable 

 timber trees of large size ; to enable this favoured portion of 

 the wood to reach such proportions in the shortest possible 

 time, mucli of the rest of the wood must be sacrificed. This 

 should not be done, unless the sacrifice is more than covered 

 by the special excellence of the final crop, a case which can 

 be expected to occur only on fairly favourable localities, 

 which insure a special increment of the isolated trees during a 

 considerable period of time. 



