LIST OF DIPTERA. 289 



thickly clothed with tawny hairs, which are very bright on each 

 side towards the tip ; its back is thinly covered with black hairs 

 which are most frequent at the tip ; the under-side, with the excep- 

 tion of the sides and the tip, is clothed with white hairs : legs fer- 

 ruginous, covered with a hoary bloom, and clothed with short 

 whitish hairs and stout black bristles : feet piceous towards the tips : 

 wings gray, tawny at the base and along the sides of the veins of the 

 fore borders for three-fourths of the length ; wing-ribs ferruginous ; 

 veins piceous, black towards the tips ; poisers ferruginous, with 

 yellow tips. Length of the body 5 lines ; of the wings 14 lines. 



a. Swan River. Presented by Sir J. Richardson. 



Bombylius auratus, n. s., mas. Niger, pilis aureis vestitus, sub- 

 tus canus, abdomine jiavo univittato pilisque nigris apice vestito, 

 antennis nigris, pedibus ferrugineis,genubus tibiis apice tarsisque 

 piceis, alis cinereis basi ferrugineis. 



Body black, thickly cloihed with golden hairs, which are 

 longest and brightest on each side and beneath : a tuft of black 

 bristles on the crown of the head, and another on the first and the 

 second joints of the feelers, which are also black : mouth black, 

 much more than half the length of the body ; palpi black, hairy, 

 longer than those of B. vetustus : eyes dark green with a bronze 

 tinge : breast and under-side of the abdomen hoary : back of the 

 abdomen hoary towards the tip, where it has very few yellow hairs, 

 but is thinly covered with long black hairs, and has a stripe of short 

 shining pale golden hairs ; last segment ferruginous : legs bright 

 tawny, clothed with golden hairs and red bristles ; the hairs abound 

 most on the thighs, the bristles on the shanks, whose tips and the 

 knees are piceous ; the feet are also piceous, and clothed with short 

 hairs of the same colour: wings rather dark gray, bright ferrugi- 

 nous at the base, more slightly so along the sides of the veins of the 

 fore borders towards the tips, where this colour gradually disappears ; 

 wing-ribs and veins piceous, the latter black towards the tips ; poi- 

 sers tawny, with brighter and paler tips. Length of the body 

 5 lines ; of the wings 16 lines 



a. Van Dieman's Land. Presented by the Earl of Derby. 



b. West Australia. From Mr. Clifton's collection. 



Bombylius rutilus, n. s. Cinereus, pilis luteis vestitus, subtus canus 

 pilisque flavis vestitus, scutello rufo, abdomine flavo univittato, 

 antennis nigris basi cinereis, pedibus fulvis, alis cinereis basi 

 ferrugineis. 



Body gray : head clothed with brown hairs on the crown, with 

 tawny hairs on the front, and with pale yellow hairs beneath, where 



