UNITED STATES NATIONAL MUSEUM 
BUREAU OF AMERICAN ETHNOLOGY 
ASTROPHYSICAL OBSERVATORY 
NATIONAL ZOOLOGICAL PARK 
ALL CORRESPONDENCE 
SHOULD BE ADDRESSED 
TO THE SECRETARY 
SMITHSONIAN INSTITUTION 
Was/iinyton, tZS.A 
NATIONAL GALLERY OF ART 
NATIONAL COLLECTION OF FINE ARTS 
FREER GALLERY OF ART 
INTERNATIONAL EXCHANGES 
DIVISION OF RADIATION AND 
ORGANISMS 
4 
