LIST OF DIPTERA. 365 



black hairs ; shanks and feet also beset with black spines ; claws 

 black ; foot-cushions pale tawny ; fore shanks armed at the tip be- 

 neath with a curved black tooth, corresponding to some little tuber- 

 cles beneath the base of the feet : wings dark brown ; wing-ribs and 

 veins black ; poisers piceous. Length of the body 10^ lines ; of the 

 wings 18 lines. 

 a. Venezuela. From Mr. Dyson's collection. 



Note. — The four following species belong to the earlier sections 

 of the genus, but were accidentally omitted. 



Dasypogon Spectrum, vai\ ? Wied. Auss. Zweif. i. 368, 2. (See 

 page 304, Group I.) 



a. China. Presented by J. Keeves, Esq. 



b. China. Presented by G. T. Lay, Esq. 



I c. China. Presented by the Entomological Club. 

 I d. China. Erom Mr. Birch's collection. 



Dasypogon Scython, n. s., fern. Fuscus^ capite Jtavo-vittato, abdo- 

 mine rufo vittis nigris, pedibus rufis, alls ferrugineis. (See 

 page 304, Group I.) 



Head much narrower than the chest, covered with white down, 



j clothed behind and beneath with yellow hairs, beset behind the eyes 



1 with black and tawny bristles ; crown reddish brown, furnished on 



each side with some whitish hairs and tawny bristles, adorned with 



four pale yellow stripes ; front and clypeus covered with whitish 



silky down ; front ridged across ; clypeus armed with ferruginous 



I bristles and with some pale yellow hairs : eyes dark bronze ; 



j fore part flat, black, its facets veiy much larger than those of the 



i other part : lip black and clothed with short tawny hairs at the 



| tip ; palpi black, beset with long pale yellow hairs : first joint of 



j the feelers black: chest brown, rather paler on the sides, thinly 



j clothed with very short tawny hairs, beset on each side and be- 



| hind with black bristles : breast brown, covered with pale yellow 



i down : abdomen bright red, flat, tapering from the base to the tip, 



; thinly clothed with very short tawny hairs, adorned on each side at 



the base with a tuft of longer tawny hairs, a little narrower than 



i the chest and rather more than twice its length ; first and second 



segments black, very short ; third and following segments long, suc- 



] cessively decreasing in length, black along their hind borders ; sixth 



t and following segments shining ; tip armed with a circlet of short 



J black spines : legs red, clothed with tawny hairs, armed with black 



spines ; hips brown ; fore hips thickly clothed with long tawny 



2 k2 



