148 Forestry Quarterly. 



The gross receipts rose from $1.75 per acre in 1850 to $7-60 per 

 acre in 1900. 



The gross expenses per unit of timber raised, practically 

 doubled between 1850 and 1900. 



The gross expenses per acre rose from $.80 in 1850 to $2.89 in 

 1900. 



The net revenue has increased from $.98 in 1850 to $4.90 in 

 1900. 



The forest capital has been valued as follows : 



1850-1863, $115.60 per acre. 



1864-1873, $141.70 per acre. 



1874-1883, $16820 per acre. 



1884-1893, $185.90 per acre. 



1894-1903, $220.60 per acre. 



