8GG 



JOURNAL OF F0RE;STRY 



In closing, we should like to express our cordial thanks to Dr. H. 

 Shirasawa, Director of the Forest Experiment Station, and Prof. K, 

 vShibata for their kind suggestions throughout the work. Our best 

 thanks are also due to Dr. W. Terasaki, Mr. S. Moriya, Mr. M. 



wound's : 



-*• Chemical change. 

 Direct cause. 



-Indirect cause. 



Koyama, and other staffs of the Station for the kind advice, and to 

 Mr. S. Kitamura and Mr. K. Kano, who have provided us for the 

 present research with many valuable materials or favored us with 

 helpful facilities and conveniences in the actual investigation of the 

 stands themselves. 



The hearty thanks of the writer are extended to Prof. I. W. Bailey 

 and Mr. E. S. Anderson, of the Bussey Institution, for their kind 

 assistance with the present translation. 



MiTSUNAGA FUJIOKA. 



