LIST OF DIPTERA. 315 



with pale yellow bristles : eyes black ; fore part slightly convex, and 

 with larger facets than elsewhere ; lip and palpi black, the lat- 

 ter and the tip of the former clothed with pale yellow hairs : feelers 

 red; first joint piceous; second joint shorter than the first; third 

 joint tapering from the base to the tip, thrice the length of the se- 

 cond ; fourth and fifth joints black, like a bristle : chest slightly 

 clothed with tawny hairs, tinged with red and beset with black 

 bristles on each side and behind : abdomen red, thinly clothed 

 with short yellow hairs, narrower than the chest, and rather more 

 than twice its length, tapering from the base to the tip, where it is 

 armed with a circlet of black spines, black at the base ; sides and 

 hind borders of the segments black towards the tip ; first and second 

 segments short ; third and following segments long, but successively 

 decreasing in length : legs very dark ferruginous, clothed with short 

 black hairs and beset with black spines, tips of thighs black ; claws 

 black: foot-cushions dark tawny: wings brown; disks of the areo- 

 lets somewhat paler ; wing-ribs and veins tawny ; the latter piceous 

 at the tips ; poisers ferruginous. Length of the body 12 lines; of 

 the wings 16 lines. 



a. Nepaul. From the Hardwicke bequest. 



Dasypogon Imbrex, n. s. Cinereo-fuscus, pectore cinereo, abdomine 

 rufo, antennis fulvis, pedibus rufis, femoribus nigris, alls ci~ 

 nereis. 



Head much narrower than the chest, covered with yellow down, 

 clothed thinly above, but thickly behind and beneath with tawny 

 hairs; clypeus thickly beset with pale yellow bristles: eyes dark 

 bronze ; fore part slightly convex, its facets hardly larger than 

 elsewhere on the eyes : lip and palpi black, the latter and the tips 

 of the former beset with tawny hairs : first and second joints of the 

 feelers tawny, clothed with short tawny hairs ; second joint much 

 shorter than the first: chest grayish brown, thinly clothed with taw- 

 ny hairs, beset on each side and behind with long tawny bristles : 

 breast gray : abdomen dull red, clothed with very short yellow hairs, 

 tapering from the base to the tip, narrower than the chest, and about 

 twice its length ; first and second joints very short ; third and fol- 

 lowing joints long, but successively decreasing in length to the tip, 

 which is piceous and shining: legs red, clothed with short tawny 

 hairs, and beset with tawny bristles ; hips gray ; thighs mostly 

 black ; claws black ; foot-cushions dark tawny : wings gray ; wing- 

 ribs and veins ferruginous ; poisers tawny. Length of the body 10 

 lines ; of the wings 16 lines. 



a. Nepaul. From the Hardwicke bequest. 



PART II. 2 F 



