126 
A Monograph of Culicidae . 
with a small white knee spot, the tibiae dusky scaled and also 
the metatarsus above, pale below, apex white ; the first two tarsi 
have yellow apical bands, the third dark, and the last clay 
coloured ; mid legs with a white spot near the apex of the femora ; 
mid tarsi not definitely banded, but with a faint pale band some¬ 
times at the apex of the metatarsus; the hind legs are dark 
Fig. 25. 
Anopheles arg'yrotarsis, sub-sp. albipes. 
a, d ungues ; b, palpus and proboscis ; 
c, genitalia. 
■v 
brown, with the second, third, and apex of the first tarsal joints 
pure white, the last joint white, with a distinct black basal band ; 
ungues as in the type. Wings much as in the type, but the pale 
scales are more yellow in colour. 
Length. — 3• 5 to 4• 5 mm. ; ? 4to 4'5 mm. 
Habitat. —Jamaica (Grabham) 7. 12. 189.9, and 8. 2. 1900) ; 
British Guiana (Rowland); Rio de Janeiro (Lutz); Antigua 
(Forrest). India (Giles). 
Time of capture. —November to March in Jamaica; July 
British Guiana. 
Observations. —I at first described this insect as a distinct 
species, but I can find no structural differences of importance 
from the type after dissecting numerous specimens—hence can 
only look upon it as a colour variety. Like the type, it is subject 
to no little variation. The British Guiana specimens show more 
distinct tarsal banding and the palpi are yellowish-white at the 
end, with two small black rings. 
