U. S. DEPARTMENT OF AGRICULTURE, 

 division of entomology. 



Bulletin No. 3. 



REPORTS 



OF 



OBSERVATIONS AND EXPERIMENTS 



THE PRACTICAL WORK OF THE DIVISION, 



MADE 



UNDER THE DIRECTION OF THE ENTOMOLOGIST. 



AVITH PLATES. 



5135 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1S83. 



