DEPARTMENT OF THE INTERIOR, CANADA 

 FORESTRY BRANCH 



t-NRLF 



B 3 372 7flfl 



METHODS OF COMMUNICATION 



ill 



ADAPTED TO FOREST PROTECTION 



OTTAWA 



THOMAS MULVEY 



PRINTER TO THE KING'S MOST EXCELLENT MAJESTY 



1920 



Price, $1.00. 



