LIST OF DIPTERA. 563 



Milesia Alcimus, n. s., mas. Nigra flavo fusco etferrugineo varia, 

 abdomine fulvo fasciis nigris, antennis ferrugineo-fulvis, pedibus 

 fulvis, femoribus posticis basi fusco vittatis, libiis tarsisque anti- 

 cis nigris, alls sublimpidis ad costam fuscis. 



Head black, with a short brown stripe on the front: mouth 

 ferruginous: feelers tawny, partly ferruginous; third joiDt nearly 

 round ; bristle about thrice its iength, pitchy at the tip : eyes 

 tawny, varied with dark red; facets small, those on the fore part of 

 the crown larger : chest black, adorned with two yellow spots 

 on each side of the front, with a slightly curved tawny stripe on 

 each side behind, and with two oblique ferruginous spots in front of 

 the scutcheon, which is yellow : breast black, with an oblique yel- 

 low stripe on each side: abdomen tawny, nearly obconical, a little 

 broader and much longer than the chest, adorned at the base with a 

 broad black band which does not extend to the sides ; fore borders 

 of the segments irregularly black ; underside black, with the excep- 

 tion of the sides and the hind borders of the segments : legs taw- 

 ny ; hips ferruginous ; a short brown stripe on each hind thigh to- 

 wards the base ; fore shanks, fore feet, and tips of claws black : 

 wings nearly colourless, brown along the fore borders for almost 

 half the breadth; the outlines of the two colours are distinct; wing- 

 ribs ferruginous ; veins pitchy, ferruginous towards the base ; poisers 

 tawny. Fern. — Spots on the fore part of the chest tawny: hind 

 borders of the wings slightly gray. Length of the body 7—8 lines ; 

 of the wings 12 — 16 line's. 



Milesia Bacuntius, n. s., mas. Ferruginea, thoracis maculis dua- 

 bus vittisque totidem nigris, abdomine ferrugineo, fulvo nigroque 

 fasciato et maculis nigris ornato, pedibus ferrugineis, femoribus 

 posticis nigris, tibiis basi tarsisque anterioribus fulvis, alis fus- 

 cis, cinereo variis fulvoque vittatis. 



Head ferruginous, tawny, and covered with yellowish white 

 down in front : mouth pitchy : feelers pale red ; third joint nearly 

 round : eyes nearly black, dark red here and there ; facets small, 

 those on the fore part of the crown larger : chest and breast ferru- 

 ginous : chest vvith a small black spot in front, another in front of 

 the scutcheon, and two short black stripes on the disk ; scutcheon 

 tawny, ferruginous along the fore border ; disk of the breast mostly 

 black : abdomen ferruginous ; hind borders of the segments tawny ; 

 a black band along the fore border of each segment, widening into 

 a triangular black spot on the disk; these spots decrease succes- 

 sively in size from the base of the abdomen : legs ferruginous ; four 

 front shanks towards the base and four front feet tawny ; hind 



