DIPTERA. 225 



clotlie J with tawny hairs ; thighs brassy ; tips of the feet pitchy ; claws 

 tawny with black tips; foot-cushions tawny ; hind-feet widened, somewhat 

 pitchy towards the base : wings gray, slightly bronti beneath the fore border ; 

 wing-ribs tawny ; veins black, tawny at the base ; poisers tawny. Length 

 of the body 4 lines ; of the wings 7 lines. 



Cape. 



EuMERus piuvEENUs, Mas. 



/Etteus, capite scutello thoracis lateribus pectorisque fasciis duabus Jlavis, 

 thorace subvittato, ahdomine cyaneo-nigro vitta interrupta fulva 

 maeulisqiie fulvis et fcrrugineis ornate, antennis fulvis, pedibus Jlavis , 

 femorihus posticis apice nigris, tibiis posticis fusco bifasciatis, iarsis 

 posticis piceis, alls limpidis. 



Head bright pale yellow ; hind part and underside black, tinged with 

 hoary, clothed with white hairs: eyes liright red, coppery above, where the 

 facets are larger than those elsewhere : feelers bright tawny ; sixth joint 

 black, tawny at the base: chest and breast brassy : chest indistinctly striped, 

 its sides and the scutcheon yellow ; a short yellow band on each side of the 

 breast : abdomen bluish black, yellow at the base, slightly spindle-shaped, 

 much longer but not broader than the chest, adorned with an interrupted 

 tawny stripe and on each side icith three tairny triangular spots ; three in- 

 distinct ferruginous marks on each of the third and fourth segments : legs yel- 

 low ; hind-thighs stout, black towards the tips; hind-shanks curved; tvith 

 two indistinct broivn bands; hind-feet pitchy : wings colourless ; wing-ribs 

 tawny ; veins black, tawny at the base ; poisers yellow. Length of the 

 body 3 lines ; of the wings 6 lines. 



United Stales. 



EUMERUS TRAXSIENS, Fctn. 



Niger, thoracis lateribus scutello pectore abdomineque ferrugineis, antennis 

 nigris, pedibus f err ugineis, femoribus nigris, tibiis nigro cinctis, alis 

 cinereis fusco nebulosis. 



Black: head thickly clothed in front with tawny hairs: eyes red: 

 chest and breast clothed with tawny hairs: scutcheon, breast, and sides of 

 the chest ferruginous ; abdomen ferruginous, obconical, much longer thau 



