332 Appendix. 
notum dark chestnut-brown; pleurae brown and ochraceous, with 
scanty flat white scales. 
Abdomen deep brown, unbanded, with dull violet reflections, 
indistinct apical creamy-white lateral spots; venter grey and 
brown. 
Legs brown, unbanded; coxae and trochanters ochraceous, 
the former with dull white scales ; femora dull pale ochraceous 
beneath. 
Wings with brown scales of typical Culex form ; first sub¬ 
marginal cell considerably longer and a little narrower than the 
second posterior cell, its stem about one-third the length of the 
Fig. 310. 
Culex nebulosus. n. sp. ( 9.) 
a, Wing of $ ; b, head ; c, abdominal ornamentation. 
cell ; stem of the second posterior equal to rather more than 
half the length of the cell; posterior cross-vein considerably 
longer than the mid cross-vein, not quite its own length distant 
from it. 
Halteres with slightly fuscous knob and ochraceous stem. 
Length .—3 to 3 • 5 mm. 
Time of capture. —April, August, September. 
Habitat .—Old Calabar, Chumbele (Annett). 
Observations .—Described from six specimens. A rather 
obscure species, with traces (more or less distinct) of pale apical 
lateral abdominal spots and rather marked cephalic orna¬ 
mentation. 
13. Culex pruixosus. Theobald. 
C. jpruina. Theobald. 
(Rept. Liverpool School Trop. Med. p. viii. App. 1901 — C.pruina.') 
Thorax covered with frosty-grey scales, with traces of two 
parallel darker lines. Abdomen with the last three segments 
with basal lateral white spots almost forming bands, bases of the 
other segments slightly paler, in the £ with more or less distinct 
banding. Legs brown, unbanded. 
