LETTER OF TRANSMITTAL 
SMITHSONIAN INSTITUTION, 
Washington, December 10, 1948. 
T'o the Congress of the United States: 
In accordance with section 5593 of the Revised Statutes of the 
United States, I have the honor, in behalf of the Board of Regents, 
to submit to Congress the annual report of the operations, expendi- 
tures, and condition of the Smithsonian Institution for the year ended 
June 30, 1948. I have the honor to be, 
Respectfully, 
A. Wermorg, Secretary. 
