DIPTERA. If55 



Anthrax ampla, Fern. 

 Cincrca, capitc scutclloquc fulvis, pnctorc cano, abdorninc fusco basiferru- 

 ijineo Jlavo-hirto, segmentorum marginihus posticis albo-hirtis, ventre 

 ferruginro, antennis nigris bast fulvis, pedibus fulris, tibiis posticis 

 larsisque piceis, tarsis posticis nigris, alis subcinereis basi ct ad costatn 

 fulvis. 



Head dark tatcng, thickly clothed with white hairs, thinly clothed with 

 black hairs about the eyelets and behind where it is gray : sucker and 

 lancets black, the former much longer than the head, the latter long 

 and slender with tawny tips : feelers black ; first and second joints 

 tawny adorned with a whitish covering, beset with black bristles ; third 

 conical, terminated by a bristle which is near twice the length of all 

 the preceding part, it tapers in the early part of its course, is thence 

 linear, and widens towards the tip where it terminates in a little spine: 

 chest gray, clothed with hoary hairs, adorned on each side and in front 

 with ferruginous hairs ; scutcheon tawny ; a few red bristles on each 

 side of the scutcheon : breast hoary, clothed with whitish hairs : abdo- 

 men broun, shorter than the chest, n<Jt longer than broad, thinly clothed 

 with black hairs ; hind borders of the segments adorned with bands of whitish 

 hairs ; base ferrnginous, covered with a thick band of pale yellow hairs which 

 form a tuft on each side ; underside ferruginous, clothed with pale down : 

 legs dark tawny, adorned with a hoary tinge, beset with black bristles ; feet 

 and hind shanks pitchy ; hind feet black : wings pale gray, tawny at the 

 base and along the fore border ; cross-veins clouded with dark gray ; wing- 

 ribs and veins tawny ; poisers pitcliy with tawny knobs. Length of the 

 body 8 lines ; of the wings 22 lines. 



West Australia. 



Anthrax pkocedens, Feni. 



A'i^ra, angusla, fulvo-hirta, thoracis lateribus posticis fcrrugineis, pcctore 

 cano, abdominis lateribus albo nigmqve fasciculalis, antennis nigris, 

 pedibus fulms, tarsis piceis, alis limpidis bmgis angztstis basi ct ad 

 costatn sinuato-fuscis. 



The stump on the hinder vein of the second marginal areolet is more 

 than twice the length of the inner side of that angle ; stump on the angle 

 of the tip cross-vein rudimentary or none. Black, rather narrow ; head 



