UNITED STATES NATIONAL MUSEUM 
BUREAU OF AMERICAN ETHNOLOGY 
ASTROPHYSICAL OBSERVATORY 
NATIONAL ZOOLOGICAL PARK 
ALL CORRESPONDENCE 
SHOULD BE ADDRESSED 
TO THE SECRETARY 
SMITHSONIAN INSTITUTION 
Washington, IZS.A. 
NATIONAL GALLERY OF ART 
NATIONAL COLLECTION OF FINE ARTS 
FREER GALLERY OF ART 
INTERNATIONAL EXCHANGES 
DIVISION OF RADIATION AND 
ORGANISMS 
4 a i V 
J anuary 1944. 
TO YiHOH 
IT MAY CONCERN 
This will serve to introduce Dr. Alexander 
Wetraore, Assistant Secretary of the Smithsonian Institution 
and Director of the United States National Museum, who is 
traveling officially in Central America for the Smithsonian 
Institution and the United States National Museum. 
Dr. Wetmore’s mission is purely scientific. 
Any assistance that may be afforded him in his work will be 
greatly appreciated by this Institution. 
