876 LIST OF D1PTEEA. 



feelers darker : eyes widely separated ; facets in the fore part much 

 smaller than those of the male. Length of the body 4 lines ; of the 

 wings 8 lines. 



Musca Combrea, n. s., mas. Viridis, capitefulvo, scutello purpurea, 

 abdomine cyaneo, suturis purpureis, palpis antennisquc fulvis, pe- 

 dibus nigris, tibiis ferrugineis, alls limpidis. 



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

 tawny in front, thickly clothed before and beneath with pale yellow 

 hairs ; face and epistoma pale ferruginous ; each side of the face 

 with a single bristle at the base ; epistoma slightly prominent : 

 eyes red, very large ; fore part flat, composed of very large facets : 

 sucker black, clothed at the tip with tawny hairs : palpi tawny, be- 

 set with black bristles : feelers tawny, a little shorter than the face ; 

 third joint linear, rounded at the tip, more than four times the 

 length of the second joint ; bristle tawny, a little longer than the 

 third joint : chest green, covered with white bloom ; scutcheon 

 bright purple : abdomen blue, not longer than broad, much shorter 

 than the chest, purple on the sutures of the segments : legs black, 

 clothed with black hairs and bristles ; shanks dark ferruginous ; 

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

 black, pitchy towards the base ; tip cross-vein forming a slightly 

 acute angle with the fourth longitudinal vein, curved inward for a 

 short space, straight from thence to the tip ; lower cross- vein with 

 two slight curves, the lower inward, the upper outward ; scales 

 whitish, with pale tawny borders. Female. — More blue than the 

 male ; feelers darker. Length of the body 4 lines ; of the wings 8 

 lines., 

 a. ? From Mr. Children's collection. 



Musca Himella, n. s., mas. Cyaneo-viridis, purpureo varia, capite 

 fulvo supra nigro subtus cyaneo, palpis fulvis, antennis pedibus- 

 que piceis, femoribus cyaneo-nigris, alls limpidis. 

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

 slightly covered with hoary bloom above, tawny in front, clothed 

 with white hairs beneath, where it is blue and shining ; sides of the 

 face beset with bristles at the base ; epistoma slightly prominent ; 

 facials pale ferruginous : eyes dark red ; facets on the fore part a 

 little larger than those elsewhere : sucker black, clothed at the tip 

 with tawny hairs ; palpi dark tawny, beset with black bristles : 

 feelers pitchy, a little shorter than the face; second joint ferrugi- 

 nous above at the tip ; third joint linear, rounded at the tip, about 



