OF WASHINGTON. 189 
Theobald's classification is as follows, thrown into dichoto- 
mous form : 
1. Metanotum nude ............. : 2 
Metanotum with chaetae ............ 5 
2. Palpi long in the male ............ 3 
Palpi short in both sexes . . . . . . ... AEDEOMYINA 
3. Palpi long in both sexes ......... ANOPHEUNA 
Palpi of the female shorter ........... 4 
4. First submarginal cell much smaller than second posterior cell 
MEGARHINA 
First submarginal cell as long or longer than the second posterior 
cell ... ...... . . . . CUUCINA 
5. Metanotum with chaetae only . . . ... Genus Wyeomyia l 
Metanotum with chaetae and scales .... TRICHOPROSOPONINA 
The genera included in Volume I are as follows ; the later 
additional genera do not essentially affect the scheme: 
ANOPHEUNA Anopheles . 
MEGARHINA Megarhinus, Toxorhynchites . 
CULICINA Janthinosoma, Psorophora, Mucidus, Eretmapo- 
dites, Stegomyia, Armigeres, Culex, Panoplites, Taenio- 
rhynchus, Deinocerites. 
(Section, without name) Wyeomyia, Sabethes. 
AEDEOMYINA Aedeomyia, , Aedes, Haemagogus, Uranotae- 
nia. 
TRICHOPROSOPONINA Trichoprosopon (=Joblotia) . 
The following is Lutz's classification, thrown into tabular 
form and shorn of the superfluous descriptive terms: 
Larvae without respiratory siphon ...... 
Larvae with respiratory siphon .......... 2 
Proboscis curved .... ...... MEGARHININyB 
Proboscis straight ............. 3 
Metanotum without hairs ........... 4 
Metanotum with hairs ........ .... 5 
Palpi long in the male . . . 
Palpi short in the male ........ . 
5. Palpi more or less long in the male ..... HYLOCONOPIN^S 
Palpi short in the male ........ DENDROMYIN^ 
With the following genera: 
ANOPHELIN^ Aldrichia, Anopheles, Arribalzagia, Cellia, 
1 So given in the table but treated as belonging to the Aedeomyina. 
