''r 
UNITED STATES NATIONAL MUSEUM 
BUREAU OF AMERICAN ETHNOLOGY 
ASTROPHYSICAL OBSERVATORY 
NATIONAL ZOOLOGICAL PARK 
ALL CORRESPONDENCE 
SHOULD BE ADDRESSED 
TO THE SECRETARY 
SMITHSONIAN INSTITUTION 
Tlas/iinyto/t, 17S.A. 
NATIONAL GALLERY OF ART 
NATIONAL COLLECTION OF FINE ARTS 
FREER GALLERY OF ART 
INTERNATIONAL EXCHANGES 
DIVISION OF RADIATION AND 
ORGANISMS 
October 3, 1940. 
TO V/HOM IT MY CONCERN: 
This will serve to introduce Dr, Alexander 
Wetmore, Assistant Secretary, Smithsonian Institution, 
» 
in charge of the United States National Museum. 
Dr, Vv'etmore will travel to Costa Rica on 
official business for the Smithsonian Institution and 
the United States National Museum principally in the 
making of collections of birds. Any courtesies that 
may be affoirded him will be greatly appreciated. 
