Twelfth 



Annual Report of the 



Bureau of Science 



Philippine Islands 



TO THE HONORABLE 

 THE SECRETARY OF THE INTERIOR 



BY 



Alvin J. Cox 



ACTING DIRECTOR OF THE BUREAU OF SCIENCE 



FOR THE YEAR ENDING 

 JUNE 30, 1913 



122638 



MANILA 

 '- BUREAU OF PRINTING 

 1913 



