232 SYLVICULTURE IX THE TROPICS 



PT. Ill 



The operations which are thus carried out for regu- 

 lating the struggle for existence are comprised under the 

 heads of " Cleanings" and " Thinnings" ; but it will be 

 also necessary to describe another kind of fellings to 

 which, in India, the name of " Improvement-fellings " 

 has been given, and which have for object the first 

 treatment of forest crops which have suffered from want 

 of scientific treatment, fires, grazing, etc., in order to 

 lead them back into a more healthy condition. A few 

 words will also be necessary on the subject of "prun- 

 ing " of branches. 



