DIPTERA. 153 
Ommatius NANUS, Fem. 
Fulvo-cinereus, capite pectoreque albidis, abdomine fusco-cano apice fulvo, 
antennis nigris, pedibus fulvis, alis limpidis. 
Head adorned with a white covering, clothed with white hairs ; a few 
black hairs on the face: eyes bronzed ; fore part rather flat, its facets 
larger than those elsewhere: sucker, palpi and feelers black ; third joint of 
the feelers conical, much longer than the second; bristle about thrice the 
length of the third joint: chest gray, with a slight tawny tinge, beset with 
a few black and whitish bristles: breast whitish : abdomen brownish hoary, 
linear, narrower than the chest and about twice its length, slightly tapering 
towards the tip, which is tawny, clothed with very short black hairs, beset 
on each side with a few whitish bristles; hind borders of the segments 
hoary : legs tawny, clothed with short pale hairs, beset with a few black 
and whitish bristles; feet pitchy towards the tips; claws black, tawny at 
the base; foot-cushions pale tawny: wings colourless; wing-ribs and 
poisers tawny; veins black, tawny at the base. Length of the body 34 
lines; of the wings 5 lines. 
Var. B. 
Canus, capite albo, pedibus fulvis, antennis tarsisque nigris, alis limpidis. 
Body hoary: head white, beset above with very few black bristles, 
clothed beneath with white hairs; face quite flat, armed on the epistoma 
with a few white spines: eyes adorned with iridescent colours: sucker 
clothed at the tip with tawny hairs; palpi beset with black bristles: first 
and second joints of the feelers beset with a few black bristles: feet black, 
dark tawny at the base; foot-cushions dark tawny. Length of the body 
4lines; of the wings 7 lines. 
East India. 
