Field Museum of Natural History. 

 Publication i86. 

 Report Series. Vol. V, No. 



ANNUAL REPORT OF THE 

 DIRECTOR 



TO THE 



BOARD OF TRUSTEES 



FOR THE YEAR 191 5. 



•ufNtAU 



iUN 16 1916 



UlSft AMY 



Chicago, U. S. A. 

 January, 1916. 



