DEPARTMENT OF THE INTERIOR, CANADA 

 FORESTRY BRANCH 



METHODS OF COMMUNICATION 



ADAPTED TO FOREST PROTECTION 



BY 



W. N. MILLAR, B.S, M.F, 



M 



OTTAWA 



THOMAS MULVEY 



PRINTER TO THE KING'S MOST EXCELLENT MAJESTY 



1920. 



79211 A 



