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MITES AND LICE ON POULTRY 



F. C. BISHOPP 



Entomologist, Investigations of Insects Affecting Health of Animals 



and 



H. P. WOOD 



Entomological Assistant, Miscpllaneous Insect Investigations 



"Pinch method" of applying sodium fluorid to a fowl infested with lice 



FARMERS' BULLETIN 801 

 UNITED STATES DEPARTMENT OF AGRICULTURE 



Contribution from the Bureau of Entomology 

 L. O. HOWARD. Chief 



Washington, D. C. 



Issued May, 1917; revised, August, 1919 



Show this bulletin to a neighbor. Additional copies may be obtained free from the 

 Division of Publications, United States Department of Agriculture 



1+2 



WASHINGTON : GOVERNMENT PRINTING OFFICE: I9ia 



