2 INTRODUCTION. 



best financial results, must be based on the yield of the forest. 

 In order to determine thi§, the forester must study the laws, 

 which govern production ; he must be able to measure the 

 produce and the increment accruing annually or periodically, 

 to determine the capital invested in the forest, to regulate the 

 yield according to time and locality, and to organise the 

 systematic conduct of the business. 



Accordingly, Forest Management may be divided into the 

 following parts : — 



Part I. — Forest Mensuration, dealing with the determina- 

 tion of the dimensions of trees, the volume of 

 trees and whole woods, their age and increment. 



,, II.— Forest Valuation, dealing with the determination 

 of the capital employed in forestry, and the 

 financial results produced by it. 



,, III. — The Foundations of Forest Management. 



,, IV. PRIiPARATION OF FoREST WoRKING PlANS. 



