Genus Aedes. 
237 
Wings with the veins covered with brown scales, the lateral 
ones Jong and narrow, but not nearly so long as in C. pipiens or 
C. fatigans. First sub-marginal cell about the same size as the 
second posterior cell, its stem not as long as the cell, a little 
longer than that of the second posterior cell, its base a very 
little nearer the apex of the wing than that of the second 
posterior cell; posterior cross-vein about two and a half times its 
own length distant from the mid cross-vein. 
Halteres pale ochraceous. 
Length. —4*5 mm. 
Habitat.-— Pemba Island, East Africa (Dr. R. O’Sullivan- 
Beare) (11. 10. 1899). 
Time of capture .—August. 
Observations.—- Described from a single 9 • It is clearly an 
Aedes, but unless the scale structure is examined would probably 
be mistaken for a Culex. 
8. Aedes Niger, n. sp. 
1 Hr*;’ (■ 
Thorax dark brown ; pleurae paler. Abdomen black, narrow. 
Legs dark brown, unbanded. 
9 . Head dark brown, covered with flat dusky-brown scales, 
with three dark brown bristles projecting forwards and inwards 
on each side, and several paler brown median ones between the 
eyes; antennae rather pale brown, basal joint testaceous; palpi 
very minute, with deep brown scales; clypeus chocolate-brown; 
proboscis brown. 
Thorax deep shiny black, with narrow curbed hair-like bronzy- 
brown scales and long black bristles, paler at the roots of the 
wings; scutellum deep clear chestnut-brown, with narrow curved 
pale brown scales; metanotum deep chestnut-brown; pleurae 
pale brown, with dull grey scales and some black bristles, which 
on the front of the pleurae form a line of short comb-like 
appearance. 
Abdomen narrow, black, covered with black scales, slightly 
testaceous at the base and apex; hairs of the posterior borders 
rather pallid. 
Legs with the coxae and trochanters pallid, remainder dark 
brown, with black bristles; in some lights they have a dull 
ochraceous tinge ; ungues very small and simple. 
Wings with brown scaled veins, the median scales dark, in 
