LIST OF DIPTERA. 391 



segment arched, clothed with tufts of hairs; third and following 

 segments long, successively decreasing in length to the tip, which is 

 piceous and shining : legs red, clothed with tawny hairs and armed 

 with black spines ; hips gray ; trochanters black ; fore and middle 

 thighs on the upper side and tips of the hind thighs black ; feet, 

 claws and tips of shanks also black ; foot-cushions dark piceous ; 

 hind thighs thickly clothed towards the tips beneath with black 

 hairs : wings slightly tawny ; wing-ribs and veins piceous. Length 

 of the body 9^ lines ; of the wings 14 lines. 



a. Sierra Leone. Presented by the Eev. D. F. Morgan. 



Asilus Amorges, n. s., mas. Fuscus, thorace bivittato,pectore cine- 

 reo, abdomine nigro, antennis nigris,pedibus rufis, femoribus et 

 tibiis apice tarsisque nigris, alls fuivis. 



Head very nearly as broad as the chest, piceous, clothed behind 

 and beneath with white hairs, beset behind the eyes with black bris- 

 tles ; front and clypeus adorned with tawny down ; front beset with 

 a few black hairs ; clypeus armed with long black and tawny bris- 

 tles : eyes bronze ; fore part flat, composed of large facets : lip 

 and palpi black, the latter clothed with long black and tawny hairs : 

 feelers black ; first joint clothed with black hairs ; second joint beset 

 with black bristles, about half the length of the first ; third joint 

 tapering from near the base to the tip, a little shorter than the first ; 

 bristle a little more than twice the length of the third joint : ridge 

 of the neck armed with a row of black bristles : chest brown, with 

 two indistinct darker stripes, beset on each side and behind with 

 black bristles : breast gray, partly clothed with tawny hairs : abdo- 

 men black, very slightly tapering from the base to the tip, much 

 longer and narrower than the chest but not near twice its length, 

 clothed with black hairs ; sides and hind borders of the segments 

 piceous ; first and second segments very short ; third and following 

 segments long, but successively decreasing in length ; last segment 

 adorned with some white hairs : legs dark red, thickly clothed with 

 long and short black hairs, armed with some black spines ; tips of 

 the thighs and of the shanks mostly black ; feet black ; claws pi- 

 ceous at the base ; foot-cushions tawny : wings dark tawny ; wing- 

 ribs, veins and poisers piceous. Length of the body 10 lines ; of 

 the wings 17 lines. 



2 m 3 



