Fifteenth Annual Report 



OF THE Director of the 



^ Bureau of Science 



Philippine islands 



TO THE HONORABLE 

 THE SECRETARY OF THE INTERIOR 



BY 



Alvin J. Cox 



DIRECTOR OF THE BUREAU OF SCIENCE 



FOR THE YEAR ENDING 

 DECEMBER 31, 1916 



f-mi?AKY 

 NFAV YORK 



MANILA 



BUREAU OF PRINTING 



1917 



151467 



