LIST OF DIPTERA. 891 



Musca Braesia, u. s. Purpurea, antennis palpis pedibusque nigris, 

 alis subcinereis. 



Body bright purple, clothed with black hairs and bristles : epi- 

 stoma not prominent ; sides of the face beset with bristles at the 

 base : eyes dark red ; fore part flat, its facets larger than those else- 

 where : sucker and palpi black : feelers black, nearly as long as the 

 face ; third joint linear, rounded at the tip, full thrice the length 

 of the second; bristle very much longer than the third joint : abdo- 

 men obconical, a little shorter and broader than the chest : legs 

 black, clothed with black hairs and bristles: wings slightly gray; 

 wing-ribs and veins black ; tip cross- vein united by a rather deep 

 curve with the fourth longitudinal vein, straight from thence to the 

 tip, joining the border at some distance above the tip of the wing ; 

 lower cross-vein with two very slight curves, the lower inward, longer 

 than the other, which is outward ; scales white, with pale yellow 

 borders. Length of the body 3 lines ; of the wings 7 lines. 

 a. South Africa. Presented by Dr. A. Smith. 



Musca Seplasia, n. s., mas. et fern. Purpurea, capite nigro, thorace 

 antico cano vittato, abdomine cyaneo, palpis antennis pedibusque 

 nigris, alis limpidis. 



Body clothed with black hairs and bristles: head black ; epi- 

 stoma dark ferruginous, slightly prominent ; sides of the face beset 

 with bristles at the base : eyes red ; fore part nearly flat, its facets 

 — especially in the male — larger than those elsewhere: sucker 

 black, clothed at the tip with tawny hairs ; palpi black, beset with 

 black bristles : feelers black, nearly as long as the face ; third joint 

 linear, rounded at the tip, full four times the length of the second 

 joint ; bristle deeply feathered, much longer than the third joint : 

 chest purple ; middle of the fore part adorned with an indistinct 

 broad hoaiy stripe : abdomen obconical, blue, shorter but hardly 

 broader than the chest : legs black, clothed with black hairs and 

 bristles ; foot-cushions tawny : wings colourless ; wing-ribs pitchy ; 

 veins black ; tip cross-vein united with the fourth longitudinal vein 

 by a very shallow curve, straight from thence till near the tip, where 

 it is almost imperceptibly curved inward, joining the border a very 

 little above the tip of the wing ; lower cross-vein straight, with the 

 exception of an extremely slight curve in the middle of its course ; 

 scales white. Length of the body 3 lines ; of the wings 6 lines. 



