LIST OF DIPTEEA. 885 



longitudinal vein, to which it is joined by an outward curve, very 

 slightly curved inward near the base, straight from thence to the 

 tip, joining the border a little above the tip of the wing ; lower 

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

 than the other, which is outward ; scales tawny. Length of the 

 body 3% lines ; of the wings 7 lines. 

 a. Sierra Leone. Presented by the Kev. D. F. Morgan. 



Musca Lagyra, n. s. Purpureo-cyaneus, capite cano micante, abdo- 

 minis apice viridi, palpis piceis, antennis pedibusque nigris, fe- 

 moribus nigro-cyaneis, alis limpidis. 



Body beset with a few black hairs and bristles : head adorned 

 with hoary lustre ; epistoma ferruginous, prominent ; sides of the 

 face fringed with bristles for half the length from the base : eyes 

 dark red ; fore part flat, its facets a little larger than those else- 

 where ; sucker pitchy, clothed at the tip with tawny hairs ; palpi 

 pitchy, beset with black bristles : feelers black, nearly as long as 

 the face ; third joint linear, rounded at the tip, more than four 

 times the length of the second joint ; bristle longer than the third 

 joint : chest bright blue, slightly tinged with purple ; breast bluish 

 purple : abdomen purplish blue, a little shorter and broader than 

 the chest, green towards the tip : legs black, clothed with black 

 hairs and bristles; thighs bluish black ; foot-cushions pitchy: wings 

 colourless ; wing-ribs and veins tawny ; veins black towards the 

 tips ; tip cross-vein forming an obtuse angle with the fourth longi- 

 tudinal vein, almost imperceptibly curved inward along the whole 

 length, joining the border at some distance above the tip of the 

 wing ; lower cross-vein with two very slight curves, the lower in- 

 ward, not half the length of the other, which is outward ; scales 

 whitish, with pale yellow borders. Length of the body 4 lines ; 

 of the wings 9 lines. 



a. Fayal. From Mr. Children's collection. 



Musca Cluvia, n. s. Cyaneo-cinerea, capite fulvo , scutello abdomine- 

 que cyaneo-purpureis, hujus lateribus viridi variis, palpis anten- 

 nisque fulvis, pedibus piceis, alis sub limpidis. 

 Body clothed with black hairs and beset with a few black 

 bristles : head tawny, slightly covered with white bloom ; a pitchy 

 stripe between the eyelets and the feelers : epistoma slightly promi- 

 nent ; sides of the face fringed with bristles for half the length from 

 the base : eyes red ; fore part flat, composed of larger facets than 

 those elsewhere : sucker pitchy, clothed at the tip with tawny hairs ; 

 palpi slender, pale tawny, beset with black bristles : feelers tawny, 

 nearly as long as the face ; third joint linear, more than four times 



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