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3 



UNITED STATES DEPARTMENT OF AGRICULTURE 



MISCELLANEOUS PUBLICATION NO. 500 



WASHINGTON, D. C. February 1943 



THE FLEAS 

 OF NORTH AMERICA 



Classification, Identification, and Geographic Distribution 

 of These Injurious and Disease- Spreading Insects 



By 

 H. E. EWING, Entomologist 



and 

 IRVING FOX, Collaborator 

 Division of Insect Identification 

 Bureau of Entomology and Plant Quarantine 



For sale by the Superintendent of Documents, Washington, D. C. - - - - Price 20 cents 



