LIST OF DIPTERA. 313 



tawny, with a few tawny hairs on each side ; clypeus thickly beset 

 with white bristles : eyes red ; fore part flat, its facets a little larger 

 than those of the other part: lip black ; tongue ferruginous ; palpi 

 tawny (?), clothed with tawny hairs; first and second joints of the 

 feelers ferruginous, clothed with tawny hairs ; second joint shorter 

 than the first : chest thinly clothed with very short white hairs, be- 

 set on each side and behind with dark tawny bristles ; sides and 

 breast pale red, covered with a tawny bloom, and partly clothed 

 with white hairs : abdomen flat, piceous above, pale red beneath 

 and on the sides of the hind borders of the dorsal segments, tapering 

 from the base to the tip, a little narrower than the chest, and more 

 than twice its length, clothed with short whitish hairs, and on each 

 side of the base with longer pale yellow hairs and bristles ; first and 

 second segments short ; third and following segments long, but 

 successively decreasing in length : legs ferruginous, clothed with 

 short white hairs and beset with white spines ; claws black, ferrugi- 

 nous towards the base ; foot-cushions pale tawny ; fore-shanks un- 

 armed: wings whitish, dull tawny along the fore borders, pale 

 brown at the tips ; wing-ribs ferruginous ; veins black, piceous to- 

 wards the base, ferruginous along the fore borders ; poisers tawny. 

 Length of the body 6j lines ; of the wings 18 lines. 



Variation in the wing-veins. — In one wing the little cross-vein 

 is double. 



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



Dasypogon Damias, n. s., mas. et fern. Fulvus, capite albido, tho- 

 racis vittis tribus pallide fuscis, abdomine rufo, antennis ferru- 

 gineis apice piceis, pedibus rufis, alis cinereis, venis fulvo lim- 

 batis. 



Head whitish, clothed with white hairs behind and beneath, 

 where the hairs are longest and most thick, beset behind the eyes 

 with a row of black bristles ; crown and each side of the front co- 

 vered with a few black hairs ; clypeus thickly beset with pale yel- 

 low bristles : lip and palpi black : the latter and the tips of the for- 

 mer clothed with pale yellow hairs ; first and second joints of the 

 feelers ferruginous, beset with short black bristles ; second joint 

 much shorter than the first : third joint linear, piceous, ferruginous 

 and rather -narrower at the base and at the tip ; fourth and fifth 

 joints like a spine, nearly as long as the second : chest and breast 

 dull tawny : chest with three pale brown broad stripes, thinly 

 •clothed with short black hairs, beset on each side and behind 

 with long black bristles ; scutcheon and breast with a hoary tinge : 

 abdomen red, flat, clothed with short tawny hairs, tapering from 

 the base to the tip, narrower than the chest, and scarcely twice its 



