324 LIST OF D1PTEEA. 



rower than the chest and more than twice its length, thickly clothed 

 with short yellow hairs, and having some longer white hairs on each 

 side of the base, crossed by numerous little furrows ; segments of 

 the back from the first to the fifth dull black, with the exception of 

 the hind borders of the three last ; tip armed with short black 

 spines : legs black, thinly clothed with short yellow hairs ; hips co- 

 vered with a white bloom and with some white hairs ; thighs, shanks 

 and feet beset with yellow spines, the latter also clothed with black 

 hairs and bristles ; thighs tawny, with a black stripe passing along 

 the whole length ; shanks tawny towards the base ; claws black ; 

 foot-cushions tawny ; fore legs unarmed : wings colourless : wing- 

 ribs and veins piceous, the latter black towards the tips ; poisers 

 tawny. Length of the body 10 lines ; of the wings 16 lines. 



a. South Africa. Presented by the Earl of Derby. 



Dasvpogon Anaxilas, n. s. Fulvus, thorace piceo quadrivittato, late- 

 ribus albo vittatis, antennis pedibusque ferrugineis, alls limpidis, 

 basi venarumque marginibus subfulvis. 



Head dull tawny, clothed behind with black hairs ; crown pi- 

 ceous ; front covered with shining pale yellow down ; clypeus 

 armed with long pale yellow bristles : lip black, clothed towards the 

 tip with short yellow hairs; palpi black, clothed with black hairs, 

 and towards the tips with black bristles : eyes dark bronze colour, 

 divided into two parts by the difference in size of the facets, but the 

 boundary is not very distinctly marked : feelers ferruginous ; first 

 and second joints equal in length ; third joint piceous, spindle- 

 shaped, as long as the first and the second : neck hoary : chest dark 

 tawny, with four piceous stripes, the outer pair very short ; a white 

 stripe on each side, which is beset with some tawny bristles : breast 

 hoary : abdomen wanting : legs ferruginous, clothed with short 

 black hairs and beset with tawny spines, of which there are most on 

 the feet and fewest on the thighs ; claws black, tawny at the base ; 

 foot-cushions tawny; fore legs armed with a short curved black 

 tooth at the tip of the shank : wings slightly tawny at the base and 

 along the borders of the veins ; the disks mostly colourless ; wing- 

 ribs and veins piceous, the latter black towards the tips ; poisers 

 tawny, piceous at the base. Length of the body 12 lines ; of the 

 wings 18 lines. 



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



