DIPTEltA. 183 



witli white hairs ; hind borders of the abdominal segments tawny : legs 

 pale tawny : wings colourless ; wing-ribs pale tawny ; veins pitchy, tawny 

 at the base and along the fore border ; poisers yellow with white knobs. 

 Length of the body 3 lines; of the wings 6|^ lines. 



East India. 



Anthrax antica, Fern. 



Nigra, fulro-hirta, capita ftilvo, scutello thoracis abdominisque lateribus 

 ventrerj^w ferrugineis, anlennis piccis basi futris, pedibus nigris, alii) 

 limpidis basi et ad costam oblique et angulatim fuscis. 



Black: head mostly tawny, beset with short black bristles: epistoma 

 prominent : feelers pitchy, dark tawny at the base : sncker pitchy : chest 

 and breast clothed with tawny hairs : scutcheon and sides of the chest fer- 

 ruginous : abdomen slightly obconical, a little broader but not longer than 

 the chest ; a lari:;e ferruginous spot on each side of the second, third and 

 fourth segments ; underside dark ferruginous : legs clothed with short black 

 hairs and bristles ; thighs and shanks adorned with a dark tawny tinge : 

 wings colourless, dark brown at the base' and along the fore border for more 

 than three-fourths of the length ; this brown part contains tico taumy dots 

 and has a slight ferruginous tinge, it is darkest along the outline which has 

 three inward and as many outward irregular curves, is very oblique, and ter- 

 minates on the hind border near the end of the infrior part; wing-ribs 

 pitchy ; veins black, pitchy at the base and along the fore border ; poisers 

 tawny. Length of the body 4 lines ; of the wings 10 lines. 



Columbia. 



Anthrax instituta, Fern. 



Nigra, angusta, flavo-pilosa, pectore cano, abduminc cincreo, antennis pe- 

 dibusqiie nigris, alis cinereis fusco quadrimaculatis. 



Black, narrow : head clothed above with brown hairs, in front with 

 tawny hairs: chest beset with black bristles: breast hoary, clothed with 

 whitish hairs : abdomen gray, obconical, a little shorter than the chest, 

 beset with a few black bristles, clothed on each side and at the base with 

 dull pale yellow hairs : legs black, clothed with short black hairs and bris- 

 tles ; shanks pitchy ; thighs tinged with gray: wings gray, rather long and 



