10 A PRIMER OF FORESTRY. 



Adiroiidacks. often render their best service, in addi- 

 tion to their usef uhiess as protection forests, by pro- 

 ducino' the o-reatest net monev return. 



Fig. 3.— An exceedingly productive spruce forest in Bavaria. 



Eegarded as an investment of capital, a forest is 

 most useful when it yields the highest rate of interest. 

 A forest whose owner could sell it if he chose, but pre- 

 fers to hold it as productive capital. i> useful in pro- 



