no.3\ 



U. S. DEPARTMENT OF AGRICULTURE. 

 division of entomology. 



Bulletin No. 31. 



CATALOGUE 



OF THE 



I 



EXHIBIT OF ECONOMIC ENTOMOLOGY 



AT THE 



WORLD'S COLUMBIAN EXPOSITION, 



CHICAGO, ILL., 1893, 



MADE 



u:;der the direction of the entomologist. 



(PUBLISHED BY AUTHORITY OK THE SECRETARY OF AGRICULTURE.) 



W A S II I N G T N : 



GOVERNMENT PRINTING OFFICE, 



1893. 



