Field Museum of Natural History. 



Publication 165. 



Report Series. Vol. IV, No. 3, 



ANNUAL REPORT OF THE 

 DIRECTOR 



TO THE 



BOARD OF TRUSTEES 



FOR THE YEAR 1912. 



Chicago, U. S. A TH£ UBRARY ^ ^ 



J-a ry , I9I3 . DEC 2 2 194: 



UNIVERSITY OF ILLINOIS 



