LIST OF DIPTERA. 445 



gray ; hips hoary ; thighs armed beneath with black spines ; shanks 

 and feet beset with black bristles ; claws black ; foot-cushions pi- 

 ceous: wings colourless, not reaching when closed beyond two- 

 thirds of the length of the abdomen ; wing-ribs piceous ; veins 

 black, piceous at the base ; poisers piceous. Length of the body 9 

 lines ; of the wings 10 lines. 



a. South Africa. Presented by Dr. A. Smith. 



Asilus Elva, n. s. Fuscus, pectore cinereo, abdomine nigro fasciis 

 fulvis, subtus piceo fasciis ferrugineis, antennis pedibusque nigris, 

 iibiis piceis, alis cinereis. 



Body pale brown, with a tawny tinge : head much narrower 

 than the chest, thickly beset above, behind, and on the clypeus with 

 black bristles, furnished on each side of the front with a few pale 

 yellow hairs, clothed beneath with piceous hairs : eyes black ; fore 

 part quite flat, composed of larger facets, and very distinct from the 

 other part : lip black, clothed at the base with long, at the tips with 

 short pale yellow hairs; palpi black, and clothed with black hairs: 

 feelers black ; first and second joints thickly beset with black bris- 

 tles, dark ferruginous at the tips ; second joint much shorter than 

 the first ; third joint oval, as long as the first, and much broader: 

 chest clothed with short black hairs, and beset on each side and be- 

 hind with black bristles : breast gray : abdomen black, clothed with 

 short black hairs, tapering from the base to the tip, hardly narrower 

 than the chest at the base and much less than twice its length ; 

 hind borders of the segments dull tawny, and clothed with short yel- 

 low hairs ; sides beset with black bristles and stout black hairs ; un- 

 der-side piceous ; hind borders of the segments dark ferruginous : 

 legs black, thickly clothed with black hairs, and beset with some 

 black bristles ; shanks and under-side of the feet piceous ; claws 

 black ; foot-cushions yellow : wings dark gray ; wing-ribs and veins 

 piceous, the latter black towards the tips ; poisers dark tawny. 

 Length of the body 6% lines ,• of the wings 9 lines. 



a. North Bengal. From Miss Campbell's collection. 



Asilus Coras, n. s., fern. Canus, thoracis vittis quatuor cinereo-fus- 

 cis, abdomine fusco apice nigro, segmentorum marginibus posticis 

 ventreque fulvis, antennis nigris, pedibus ferrugineis, alis sub- 

 cinereis. 



Head covered with dull pale tawny down, behind and beneath 



with hoary down; sides of the crown beset with black hairs ; clypeus 



I armed with long white bristles, and in front with a few black bris- 



l ties : eyes dark bronze ; fore part slightly convex, its facets very 



little larger than those of the other part : lip black, clothed at the 



