ANNUAL REPORT 
OF THE 
BOARD OF REGENTS 
OF THE 
SMITHSONIAN INSTITUTION, 
SHOWING 
THE OPERATIONS, EXPENDITURES, AND CONDITION 
OF THE INSTITUTION 
FOR THE 
YEAR ENDING JUNE 30, 1906. 
jay Un eg une 
OF THE 
U.S. NATIONAL MUSEUM. 
RHE-INCAS 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1906. 
