LIST OF DIPTEEA. 325 



Group VIII. 



Dasypogon Salinator, n. s., mas. Fulvus, thorace cinereo subfulvo 

 trivittato, abdominis segmentis nigro-fasciatis, antennis fulvis 

 apice nigris, pedibus fulvis, alis cinereis, venarum marginibus 

 limpidis. 



Head tawny, covered with white shining down, a little broader 

 than the chest ; hind part encircled with white bristles, which ap- 

 pear tawny in some aspects, and the same variation occurs in 

 the long while bristles which arm the clypeus, aud are twenty or 

 more in number ; two black or white spines on the tubercle of the 

 eyelets ; hypostoma clothed with black hairs : mouth short, black, 

 clothed towards the base with white hairs ; tip of the lip with a tuft 

 of short pale yellow hairs : eyes coppery ; fore part flat and of 

 larger facets, which decrease in size successively as they diverge to- 

 wards the convex and larger part of the small facets, and the line 

 between the two parts is distinctly marked : feelers tawny ; first and 

 second joints beset with short black hairs ; second joint longer than 

 the first ; third joint very long spindle-shaped, much longer thau 

 the first and the second, but not twice their length ; fourth joint 

 black, very short : chest gray, with three narrow indistinct stripes of 

 a somewhat tawny colour, and beset with some rows of short black 

 bristles ; breast and sides of the chest clothed with silvery white 

 down, the former thinly covered with white hairs, the latter fur- 

 nished with some black hairs and long black bristles : scutcheon 

 also adorned with silvery down : abdomen much narrower than the 

 chest and rather less than twice its length, dull tawny, clothed with 

 short black hairs, decreasing in breadth from the base to the tip 

 where it is shining ; each segment has a black band, which from the 

 base to the lip occupies successively more and more of its surface ; 

 second segment short, with a row of white bristles on its hind bor- 

 der ; third segment long ; the following segments successively de- 

 creasing in length ; tip ferruginous, beset with short black spines : 

 legs tawny, clothed with short white hairs ; hips and trochanters 

 black ; thighs with two or three white spines, more of these on the 

 shanks and most on the feet, which have also some black spines ; 

 claws black, tawny at the base ; foot-cushions pale tawny ; fore legs 

 armed with a long curved black tooth on the tip of the shank, and 

 with a short blunt tawny tooth at the base of the foot : wings gray, 

 colourless along the borders of the veins, the usual disposition of the 

 tinge being here reversed ; wing-ribs and veins piceous, the latter 

 black towards the tips ; poisers pale tawny. Length of the body 

 11 — 12 lines; of the wings 18 — 20 lines. 



a. Port Essington. From Mr. Gould's collection. 



