Field Museum of Natural History. 

 Publication 202. 

 Report Series. Vol. V, No. 



ANNUAL REPORT OF THE 

 DIRECTOR 



TO THE 



BOARD OF TRUSTEES 



FOR THE YEAR 1918. r^- 



t~-' 



■'" t;?ican et" 

 APR 1 



Chicago, U. S. A. 



January, 19 19. 



