OF WASHINGTON. 49 
a portion of the genitalia, but his figure does not show the pecu- 
liar basal organs. 
Genus CULEX Linnaeus. 
Type: pipiens Linn. As now restricted, the genus is a small 
one. But five species are certainly referred to it, viz : pipiens 
Linn., tarsalis Coq., restuans Theob., fatigans Wied., salinarius 
Coq. ; to which should probably be added secutor Theob. 
Genus MELANOCONION Theobald. 
Type: atratus Theob. Though belonging near Culex the 
male genitalia show a distinct type. A second species, spis- 
sipes Theob., is recorded from Trinidad. 
Genus DEINOCERITES Theobald. 
Type: cancer Theob. The genitalia have been figured by 
Theobald and are very peculiar. The same may be said of 
most of the Aedinae. 
Genus AEDES Meigen. 
Type: cinereus Wied. Two species are credited to our fauna, 
viz: fuscus O.-S. and perturbans Will. The genitalia of fuscus 
have been figured by Dr. Felt. 
Genus HOWARDINA Theobald. 
Type: walkeri Theob. The genitalia are unknown to me. 
Genus WYEOMYIA Theobald. 
Type: grayii Theob. We have four species, viz: grayii 
Theob., pertinans Will., trinidadensis Theob., smithii Coq. The 
peculiar genitalia of smithii have been briefly described by Dr. 
Felt. 
Genus PHONIOMYIA Theobald. 
Type: longirostris Theob. Not studied. 
Genus URANOTJENIA Arribalzaga. 
Type: natalice Arrib. We have three species, viz: sapphi- 
rina O.-S., lowii Theob, socialis Theob. Dr. Felt gives the geni- 
talia of sapphirina. 
Genus AEDOMYIA Theobald. 
Type: squammipenna Arrib., is recorded from Trinidad. 
Genus HJEMAGOGUS Williston. 
Type: cyaneus Fab., not studied. 
