322 LIST OF DIPTERA. 



on the feet, but scarce on the thighs ; claws black, tawny at the 

 base ; foot-cushions tawny : wings light brown, paler along the hind 

 borders ; wing-ribs ferruginous ; veins piceous, black towards the 

 tips ; poisers tawny. Length of the body 1\ lines ; of the wings 

 12 lines. 



a. Adelaide. Presented by the Entomological Club. 



Dasypogon California^, n. s., mas. Niger, pilisfulvis dense vestitus, 

 pectore cinereo, abdomine ferrugineo, antennis nigris, pedibm 

 ferrugineis, femoribus genubusque nigris, tibiis apice piceis, alis 

 cinereis. 



Body black : head and chest covered with a gray bloom : head 

 a little narrower than the chest, thickly clothed behind and beneath 

 with bright tawny hairs ; crown covered with black hairs ; front and 

 clypeus thickly clothed with pale tawny bristles : eyes black ; fore 

 part slightly convex ; its facets hardly larger than those elsewhere 

 in the eye : lip and palpi black ; the latter and the tip of the for- 

 mer clothed with tawny hairs: feelers black ; first and second joints 

 thickly clothed with black hairs ; second joint cup-shaped, much 

 shorter than the first ; third joint tapering from the base to the tip, 

 longer than the first and the second ; fourth and fifth like a spine, 

 about half the length of the third : chest covered with tawny down, 

 and thickly clothed with tawny and black hairs : breast gray, co- 

 vered with tawny down, and thinly clothed with yellow hairs : ab- 

 domen bright ferruginous, thickly clothed with bright tawny hairs, 

 full twice the length of the chest, tapering from the base to the tip, 

 with a piceous stripe on each side ; segments from the third to the 

 sixth long, and of nearly equal length ; seventh segment shorter ; 

 eighth and ninth segments much shorter : legs bright ferruginous, 

 thickly clothed with ferruginous hairs, and beset with tawny bristles ; 

 hips, thighs, excepting their tips, and knees black ; tips of shanks 

 piceous ; claws black, ferruginous towards the base ; foot-cushions 

 dark ferruginous ; middle shanks ferruginous, with a black streak on 

 the outer side ; fore shanks not armed : wings dark gray ; wing-ribs 

 dark ferruginous ; veins black, piceous towards the base : poisers 

 tawny. Length of the body 10 lines ; of the wings 14 lines. 



a. California. Presented by E. Doubleday, Esq. 



Group VII. 



Dasypogon humeralis, var.? Wied. Dipt, Exot. i. 225, 19. Auss. 



Zweif. i. 396, 47. 

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



