U.S. DEPARTMENT OF AGRICULTURE. 

 division of entomology. 



Bulletin No. 32. 



REPORTS 



OBSERVATIONS AXD EXPERIMENTS 



I.N 



. THE PRACTICAL WORK OF THE DIVISION, 





UNDER THE DIRECTION OF THE ENTOMOLOGIST. 



(PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE) 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE, 



I S94. 



