DIPTERA. 171 



adorned with a band of pale yellow hairs ; the hairs beneaih are hoary and 

 occupy a large part of each segment : icings -pale gray, tawny at the base 

 and along the fore border for full three-fourths of the len(/th ; wiug-rihs 

 tawny ; veins black, tawny towards the base and along part of the fore bor- 

 der; poisers tawny with paler knobs. Length of the body 8 lines; of the 

 wings 18 lines. 



East Indies. 



Anthrax ai.hida, Fem. 



Nigra, Jlavo-hirta, sculello abdomineque ferrugineis, pectore ventreque albo- 

 hirtis, antennis nigris basi fulvis, pedibus fulvis, tibiis posticis tarsis- 

 que nigris, alis albidis basi costaque Jlavis fascia obliqua cinerea or- 

 nalis. 



Black, thickly clothed with pale yellow hairs : head clothed above with 

 yellow hairs : peristoma whitish-yellow ; epistoma prominent : first joint of 

 the feelers pale tawny: breast and underside of abdomen clothed with 

 white hairs ; scutcheon ferruginous: abdomen mostly ferruginous, slightly 

 obconical, not longer than the chest, clothed with whitish yellow hairs : legs 

 tawny, armed with black spines, clothed with pale yellow hairs ; feet and 

 hind-shanks black : wings whitish, yellow at the base and along the fore bor- 

 der ; disks of the areolets very pale gray ; an irregular very oblique gray 

 band extending from three-fourths of the fore border to one-sixth of the hind 

 border, on approaching which it becomes very indistinct ; wing-ribs tawny ; 

 veins black, tawny towards the base and along the fore border ; poisers pale 

 yellow. Length of the body 6 lines ; of the wings 16 lines. 



East Indies. 



Anthrax alriplena, Fem. 



Nigra, fulvo-hirta, scutello abdominisqne segmentorum mar ginibus posticis 

 ferrugineis, pectore cinerea, abdomine fasciis Jlavo-pilosis omato, a?i. 

 tennis pedibusque nigris, tibiis basi fulvis, alis subcinereis cinerco 

 octo-maculatis, basi casta nervorumque marginibns fulvis. 



Black, clothed with tawny hairs : head adorned with a tawny covering, 

 clothed with short black and tawny hairs ; peristoma yellow ; mouth and 

 epistoma prominent : breast hoary, clothed with pale hairs ; scutcheon fer- 

 ruginous : abdomen nearly elliptical, a little longer than the chest; fore 



