TABLE OF CONTENTS. 



CHAPTER I.— PRELIMINARY EXPLANATIONS. 



Working-plan. 



Paob 

 Meaning of the term " forest organisation "...... 1 



" working-plan " if,. 



The Forest Capital or Producing Stock. 



Meaning of the term : constitution of the pioduoing stock .... 2 



„ „ when the age-classes are irregularly distributed . , 4 



Information afforded by the number of trees of each age-class . . . ih. 



Chief points to be remembered with regard to the forest capital ... 5 

 Normal forest ...... .....7 



Abnormal forest ..... ..... iJ. 



The JEsrploitable Age. 

 Meaning of the term . 

 Calculation of the exploitable age 

 Exploitable age for State forests 



8 



9 



10 



Increment. 



Meaning of the term .......... 12 



Increments of isolated trees and crops ....... 13 



Fossihilitt/. 



Meaning of the term . . ... ..... 13 



Methods of prescribing the possibility 14 



Sustained yield 15 



Revenue and Interest. 



Meaning of the terms 15 



Revenue— the net value of the produce 16 



Relation of revenue to area ih. 



Interest . • ■ ■'•' 



Other technical terms i definitions. 



Necessity for defiining such terms 17 



