ee oe Peat WENT OF AGRICULTURE. 
DIVISION OF ENTOMOLOGY. 
BULLETIN No. 19. 
AN ENUMERATION 
OF THE 
EUs tS ia ED 
SYNOPSES, CATALOGUES, AND LISTS 
OF 
NORTH AMERICAN INSECTS; 
TOGETHER WITH OTHER INFORMATION INTENDED TO ASSIST THE 
STUDENT OF AMERICAN ENTOMOLOGY. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1888. 
