Field Museum of Natural History. 

 Publication i6o. 

 Report Series. Vol. IV, No. 2. 



annual report of the 

 director 



TO THE 



BOARD OF TRUSTEES 



" FOR THE YEAR 1911. 



BUREAU Of 

 AM^f?1CAN ETHNOLOGY. 



APR 9 1312 



Chicago, U. S. A. 



January, 1912. 



