U. S. DEPARTMENT OF AGRICULTURE. 



division of entomology. 



Bulletin No. 31. 



CATALOGUE 



OF THE 



EXHIBIT OF ECONOMIC ENTOMOLOGY 



AT THE 



WORLD'S COLUMBIAN EXPOSITION, 



CHICAGO, ILL., 1893, 



UNDER THE DIRECTION OF THE ENTOMOLOGIST. 



(PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE.) 



3^ 



^50 ^ x 



_^.^._ 



OtPARllALMl OF ~\/~ 



culto? 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE, 



is 93 . 



