846 LIST OF DIPTERA. 



part composed of larger facets than those elsewhere : sucker pitchy, 

 tawny, and clothed with tawny hairs at the tip ; palpi yellow, heset 

 with black bristles : feelers bright tawny, a little shorter than the 

 face ; third joint black, tawny at the base, slender, linear, truncated 

 at the tip, hardly four times the length of the second joint ; bristle 

 black, downy along the whole length, tawny at the base, very much 

 longer than the third joint : chest adorned with three broad, hoary 

 stripes, tawny on each side in front ; breast hoary : abdomen pale 

 ferruginous, adorned with white lustre on the fore border of the 

 third segment, spindle-shaped, compressed, less than twice the 

 length of the chest ; a black interrupted stripe along the back : legs 

 tawny, clothed with black hairs and bristles ; shanks pitchy ; feet 

 black ; foot-cushions tawny : wings nearly colourless, slightly tawny 

 at the base and along the fore borders of the veins ; tip cross-vein form- 

 ing a right angle with the fourth longitudinal vein (which projects 

 somewhat beyond it), slightly curved inward near the base, straight 

 from thence to the tip, which joins the tip of the third longitudinal 

 vein ; lower cross-vein with two curves, the lower inward and dis- 

 tinct, the other outward and hardly perceptible ; scales whitish, with 

 tawny borders. Length of the body 4 lines ; of the wings 8 lines. 

 a. Tangier. From Mr. Fraser's collection. 



Dexia Abzoe, n. s., fern. Nigra, thoracis lateribus anticis ferrugi- 

 neis, abdomine fulvo cano micante piceo fasciato nigro vittato, 

 antennis ferrugineis, pedibus nigris, tibiis nigro-ferrugineis, alis 

 fulvis. 



Allied to Tachina. Body black, clothed with black hairs and 

 bristles : head ferruginous, partly adorned with a yellow covering ; 

 a pitchy stripe fringed with bristles widening from the eyelets to the 

 feelers ; epistoma not prominent ; sides of the face fringed with 

 bristles at the base : eyes pitchy ; facets on the fore part larger 

 than those elsewhere : sucker tawny, clothed with yellow hairs ; 

 palpi ferruginous, beset with black bristles : feelers ferruginous, 

 nearly as long as the face ; third joint linear, slender, rounded at 

 the tip, more than four times the length of the second joint ; bristle 

 much longer than the third joint, deeply feathered from the base 

 to the tip : chest ferruginous on each side in front: abdomen tawny, 

 tapering from the base to the tip, adorned with white reflections on 

 each side, rather more than twice the length of the chest ; a black 

 stripe on the back occupies the whole breadth near the tip, which is 

 ferruginous ; hind borders of the segments irregularly pitchy : legs 

 black, clothed with black hairs and bristles ; shanks dark ferrugi- 

 nous ; foot-cushions tawny : wings tawny, rather narrow, wing-ribs 

 and veins ferruginous ; tip cross-vein forming a very obtuse angle 



