UNITED STATES 
NATIONAL MUSEUM 
U. S. NATIONAL 
SMITHSONIAN INSTITUTION 
WASHINGTON, D. C. 
OFFICIAL BUSINESS. 
A penalty of $300 is fixed by lav/ 
for usiutf this envelope for other than 
Official Business. 
MUSEUM, 
WASHINGTON, 
D. C. 
SECTION OF BIRDS’ EGGS. 
