Field Museum of Natural History. 



Publication 205. 



Report Series. Vol. V, No. 5, 



ANNUAL REPORT OF THE 

 DIRECTOR 



TO THE 



BOARD OF TRUSTEES 



FOR THE YEAR 1919. 



THE LIBRARY OF TKc 



JAN 2 .1 ^9t0 



'JNIVERSITY OF ILLINOI.^ 



Chicago, U. S. A. 



January, 1920. 



