44 THE FORESTS OF FRANCE. 



left to decay before they came within the sweep of the 

 regular series of fellings. 



These inconveniencies do not appear to have commanded 

 much attention in France ; but they did in Germany, and 

 this led to modifications so great and so important that 

 the method of exploitation now generally followed in 

 France, and elsewhere on the Continent of Europe, can 

 no longer be considered what is understood to be the 

 system of exploitation d, tire et aire. This has not lapsed, 

 but it is merged in that which secures in combination 

 sustained production, natural reproduction, and progressive 

 amelioration of the forests, evolved or developed from the 

 superceded method of exploitation. 



