TECHNICAL SERIES, No. 11. 
U. S. DEPARTMENT OF AGRICULTURE, 
BUREAU OF HNTOMOLOGY. 
L. O. HOWARD, Entomologist and Chief of Bureau. 
A CLASSIFICATION OF THE MOSQUITOES OF 
NORTH AND MIDDLE AMERICA. 
PREPARED UNDER THE DIRECTION OF THE ENTOMOLOGIST 
BY 
De We, COQOULELETT, 
Assistant Entomologist. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1906. 
