U. S. DEPARTMENT OF AGRICULTURE. 



division of entomology. 



Bulletin No. 19. 



A.]S^ ENXJjMERi^LTIOlSr 



PUBLISHED 



SYNOPSES, CATALOGUES, AND LISTS 



NORTH AMERICAN INSECTS; 



TOGETHER WITH OTHER INFORMATION INTENDED TO ASSIST THE 

 STUDENT OF AMERICAN ENTOMOLOGY. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



18-88. 



