LIST OF DIPTERA. 



third joint long and nearly linear; bristle pubescent, black towards 

 the tip, nearly twice the length of the third joint : chest minutely 

 punctured, clothed with short tawny hairs, adorned with three large 

 tawny spots on each side ; scutcheon tawny : abdomen spindle- 

 shaped, clothed with dark tawny down, ferruginous towards the 

 base, which is sessile, much longer than the chest, but less than twice 

 its length : legs pitchy, clothed with tawny down ; four hind thighs 

 ferruginous towards the tips ; feet tawny towards the base ; claws 

 black; foot-cushions pale tawny: wings brown, darker along the 

 borders of the veins, tawny along the fore borders from the base till 

 near the tip, which is dark brown ; wing-ribs and veins ferruginous ; 

 poisers tawny, with pitchy knobs. Length of the body 9 lines ; of 

 the wings 18 lines. 

 a. East India. From Archdeacon Clerk's collection. 



