LIFE. 



- from .36 to 1.02 in. 



„ .50 to .67 in. 



„ .52 to 1.25 in. 



„ .17 to 72 in. 



„ .91 to .94 in. 



The table shows great variation but gives a fair idea 

 of the increase through a year's work. 



Timber may be regarded as a necessity of civiHsation, 

 and such data are therefore of great importance. At 

 present the world's stock of timber is becoming seriously 

 diminished. The Siberian, Canadian, and British 

 Columbian forests are still able to furnish large quanti- 

 ties of Coniferous wood, but the following table (Dr. 

 Schlich) shows how dependent most European countries 

 are upon imported wood : 



The value of the wood imported into Great Britain 



