152 INSECTA SAUNDEPRSIANA. 
than the first; bristle shorter than the third joint: chest thinly clothed 
with black hairs and bristles, adorned with three hoary stripes ; sides, hind 
part and breast hoary: abdomen clothed with short black hairs, adorned 
with white hairs on each side, full twice the length of the chest, slightly 
tapering from the base to the tip, which is compressed and shining ; hind 
borders of the segments whitish ; sides and under side hoary : legs black, 
clothed with short black hairs, armed with black spines and bristles ; under 
side of the shanks towards the tips and of the feet dark tawny ; foot-cushions 
pale tawny: wings light gray, brown along the fore borders towards the 
tips ; wing-ribs pitehy ; veins black ; poisers bright yellow. The left wing 
of the specimen described has two cross-veins at the base of the second 
submarginal areolet. Length of the body 53 lines ; of the wings 10 lines. 
Brazil. 
Genus OMMATIUS, Iiliger. 
Ommarius sacutaror, Mas. 
Canus, capite albo, abdomine cinereo, segmentorum marginibus posticis 
ferrugineis, antennis nigris, pedibus fulvis, alis sublimpidis apice 
cinereis. 
Body black : head adorned with a white covering, clothed behind 
and beneath with white hairs, beset behind the eyes with a few black 
bristles; two black hairs on the tubercle of the eyelets; face quite flat, 
beset with six long slender black bristles, fringed in front with white hairs 
and with two white spines: eyes brassy; fore part nearly flat, its facets a 
little larger than those elsewhere: sucker clothed at the tip with tawny 
hairs: feelers black ; first and second joints beset with short black bristles : 
chest and breast with a hoary covering ; hind part of the chest beset with a 
few black bristles: abdomen gray, a little narrower than the chest and more 
than twice its length, very slightly tapering from the base to the tip, which 
is black and shining and clothed with black hairs: hind borders of the seg- 
ments ferruginous : legs tawny, clothed with yery short black hairs, armed 
with black spines; thighs thinly clothed with short hoary hairs; knees and 
claws black: wings nearly colourless, with gray tips; wing-ribs tawny ; 
veins black, tawny at the base; poisers tawny. Length of the body 44 
lines; of the wings 7 lines. 
Africa. 
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