UniTEp States NATIONAL MUSEUM, 
UnpvER DIRECTION OF THE SMITHSONIAN INSTITUTION, 
Washington, D. C., December 20, 1910. 
Str: I have the honor to submit herewith a report upon the pres- 
ent condition of the United States National Museum, and upon the 
work accomplished in its various departments during the fiscal year 
ending June 30, 1910. 
Very respectfully, 
RIcHARD RATHBUN, 
Assistant Secretary, in Charge of the National Museum. 
Dr. CHartes D. Watcotrt, ' 
Secretary, Smithsonian Institution. 
