DIPTERA. 139 



AsiLUS ELicixrs, Fern. 



Fuscus, capite albiclo, tkoraee vittis quatuor nigris omato, ■peclore cano, 

 abdomine nigro segmcntorum marginibus posiicis ventreque cinereis, 

 antennis pcdibusque nigris, tihiis fulvis apice nigris, tarsis basi rujis, 

 alls cinereis. 



Head aclorned with a wliitish coverinfT, thickly clothed heneath with 

 whitish hairs, beset behind the eyes with black bristles ; crown black, 

 shining, clothed with black hairs ; epistoma and adjoining part of the face 

 thickly beset with black and whitish bristles : eyes bronzed ; fore part 

 nearly flat, its focets a little larger than those elsewhere : sucker and palpi 

 black; tip of the sucker clothed with very short white hairs ; palpi clothed 

 with long hoary hairs : feelers black ; first and second joints beset with 

 short black bristles ; third joint tapering from near the base to the tip, 

 about twice the length of the second ; bristle slightly tapering, longer than 

 the third joint: chest broivn, clothed with black hairs and bristles, adorned 

 with four black stripes, of which the middle pair are linear and slender, the 

 outer pair are short and broad ; sides paler, armed with a few black spines : 

 breast hoary, partly clothed with whitidi hairs ; abdomen black, much more 

 than twice the length of the chest, clothed at the base and beneath with 

 lioarij hairs, tapering from the base along two-thirds of the length, shining 

 and much compressed from iherice to the tip ; under side and hind borders of 

 the segments gray : legs black, clothed with short black hairs, armed with 

 black spines ; hips and thighs clothed with hoary hairs ; shanks tawny with 

 black tips ; feet red at the base ; foot-cushions tawny : wings gray ; wing- 

 ribs pitchy; veins black. liCngth of the body lines ; of the wings 12 

 lines. 



New South Wales. 



AsiHTs HvAGNis, Mas. 



Cervinus, capite fulvo snbtMS flaw, thorace vitlis qiiatnor fuscis omato, 

 jiectore cano, abdominis segmcntorum marginibus posticis fulvis, ati- 

 tewiis pedibusque ferrugineis, tarsis posticis nigris, alis subfulvis 

 apice ciriereis. 

 Head pale tawny, with a few pale yellow hairs on each side of the 

 crown, pale yellow and thickly clothed with hoary hairs behind and be- 

 neath, beset behind the eyes with a few pale yellow spines ; face very 



