Bulletin No. 25— New Series. 



U. S. DEPARTMENT OF AGRICULTURP:. 



DIVISION OF ENTOMOLOGY. 



NOTES 



ON 



THE MOSQUITOES OF THE UNITED STATES 



GIVING SOME ACCOUNT OF THEIR STRUCTURE AND BIOLOGY. 

 WITH REMARKS ON REMEDIES. 



BY 



.L. O. HOWARD. Ph. D., 



Entomologid. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



