MOSQUITOES 



HOW THEY LIVE; HOW THEY CARRY 

 DISEASE; HOW THEY ARE CLAS- 

 SIFIED; HOW THEY MAY 

 BE DESTROYED 



BY 



L. O. HOWARD, PH.D. 



DEPARTMENT OF AGRICULTURE, WASHINGTON, D. C. 



NEAV YORK 



MCCLURE, PHILLIPS & CO 



190 1 





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