Genus Culex. 
397 
second joint also pale yellowish ; palpi testaceous, covered with 
black scales, pure white at the apex ; proboscis covered with dark 
scales, with a few scattered grey ones along the middle and basal 
part; in some specimens the proboscis has a distinct very broad 
yellowish band. 
Thorax black, with fawn-coloured and brown thin curved 
scales; scutellum dark brown, slightly testaceous at the sides, 
with chestnut-brown curved scales and bright chestnut-brown 
Fig. 140. 
Culex marinus. n. sp. 
a, Thoracic scales ; 'a, thoracic scales of C. vigilax, 
Skuse; b, palpus of the cf ; c, cf and $ ungues. 
bristles ; metanotum chestnut-brown; pleurae dark brown, with 
patches of white scales. 
Abdomen deep brownish-black, covered with brownish-black 
scales, dull purplish in some lights; the first four segments with 
a broad basal band of creamy-yellow to almost white scales, the 
two following with creamy-white lateral spots, and the last two 
with creamy-yellow apical borders; laterally are white central 
spots on most of the segments, which show above towards the 
apex; first segment with two patches of dark scales and a few 
