BULLETIN No. 25—NeEw SERIES. a ! 
aS DEPARTMENT OF AGRICULTURE, 
DIVISION OF ENTOMOLOGY. 
ON 
THE MOSQUITOES OF THE UNITED STATES: 
GIVING SOME ACCOUNT OF THEIR STRUCTURE AND BIOLOGY, 
WITH REMARKS ON REMEDIES. 
BY 
L. O. HOWARD, Pu. D., 
Entomologist. 
RUT ARS 
oe 
Ya PaaS. 
pean alives 
al 
=<; 
— 
SS 
Q 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1900. 
