DIPTERA. 14:i 



AsiLCs Trachalus, Mas. 



Niger^ capite thoracisque vittis tribus J'uhis, pcctore emereo, ahdomine 

 cinereo-fulvo, antennis niyris hasi ferruyineis, pedibtis ferrwjineis, 

 tarsis nigris, alls subfulvis. 



Body black : head adorned with a tawny covering, clothed behind 

 and beneath with pale yellow hairs, beset behind the eyes with a few 

 black bristles ; crown black, clothed with a few black hairs and bristles ; 

 face very convex, beset with black bristles towards the feelers, armed with 

 many long whitish spines towards the epistoma : eyes black, slightly 

 bronzed; fore part nearly flat, its facets larger than those elsewhere: 

 sucker clothed at the tip with short ttiwny hairs ; palpi beset with black 

 bristles: feelers black; first and second joints dark ferruginous, beset vnth 

 black bristles ; second much shorter than the first ; third spindle-shaped, 

 longer than the first; bristle a little shorter than the third joint: chest 

 blacli, clothed with short black hairs, beset on each side and behind with 

 stout black bristles, adorned with three indistinct dark taivny stripes ; sides 

 and breast tinged with gray : abdomenjlat, Hack, ivith a grayish taivny 

 tinge, much less than twice the length of the chest, clothed with very short 

 black hairs, tapering from the base to the tip, which is shining and beset 

 with black bristles ; hind borders of the segments armed on each side with 

 black spines ; first segment beset on each side with a few hoary hairs and 

 pale yellow spines: legs ferruginous, clothed with short black hairs, armed 

 with black spines ; feet black ; claws dark ferruginous at the base ; foot- 

 cushions dark tawny : ivings ivilha slight lawny tinge ; wing-ribs and veins 

 tawny ; poisers pale yellow. Length of the body o\ — G\ lines ; of the 

 wings 10 — 12 lines. 



Van Dieman's Land. 



AsiLus Lycoru s, Fem. 



Niger, thoracis vittis tribus pectore abdominis segmentorutn mayginibus 

 posticis venlreque canis, antennis pedibui:que nigris, alis suhcincreis 

 apice obscurioribus. 



Body black : head adorned with a tawny covering in front, whitish 

 and thickly clothed with white hairs behind and beneath ; crown beset 



