512 
A Monograph of Culicidae. 
wide, the first smaller than the second, its base much nearer the 
apex of the wing than that of the latter, its stem less than three 
times the length of the cell; stem of the second fork cell about 
one and a half times the length of the cell; mid and posterior 
cross-veins about equal in length, the latter more than its own 
Fig, 219. 
Apex of wing of Uranotaenia pallidocephala. ?. Theobald. 
length distant from the mid; sixth long vein broadly curved 
towards the costa. 
Length .—2 • 5 to 3 mm. 
Habitat .—Sudan (H. King); Lagos (Dr. Graham). 
Observations .—Easily told by the pale scaled head, and by the 
wing venation. The head scales show dull purple shades behind 
in some lights. 
Type in the British Museum. 
Uranotaenia abnormalis. nov. sp. 
Very similar to the former (TJ. pallidocephala) hut the head 
bright violet blue as in caeruleocephala, the cross-veins differ and 
the male legs very marked. 
9 . Head clothed with bright violet blue flat scales and a 
few upright black forked scales, black chaetae, two long ones 
close together projecting between the eyes; eyes silvery; 
antennae brown, basal segments testaceous, slightly darkened on 
the inner side; proboscis and palpi deep brown. 
Thorax pale brown with scattered narrow-curved bronzy 
