LIST OF DIPTERA. 1057 



shanks pitchy : wings colourless, short, very narrow ; wing-ribs and 

 veins yellow ; fourth and fifth longitutinal veins united near the tip 

 of the wing ; lower cross-vein straight, slightly oblique, parted by 

 more than five times its length from the middle cross-vein and from 

 the tip of the wing, and by rather less than its length from the hind 

 border ; poisers tawny. Length of the body 2| lines ; [of the wings 

 3 lines. 

 a. Georgia. From Mr. Abbot's collection. 



Group Cardiacephala, Macq. Dipt. Exot. 



Micropeza cephalotes, n. s. Ferruginea, capite nigro, palpis anten- 

 nisque piceis, pedibus ferrugineis, femoribus posticis coxisque 

 fulvis, tarsis piceis, posticis basi flavis, alis subcinereis fusco 

 bicinctis. 



Body pale ferruginous : head and chest beset with a few black 

 bristles : head black, nearly oval, thinly clothed with short black 

 hairs, advanced in front ; sides of the face without bristles ; epistoma 

 slightly prominent : eyes small, pitchy ; facets of the fore part 

 larger than those elsewhere : sucker ferruginous, clothed with tawny 

 hairs ; palpi pitchy : feelers pitchy, as long as the face ; third joint 

 conical, more than thrice the length of the second joint ; bristle 

 black, slender, downy, tawny at the base, much more than twice 

 the length of the second joint : chest long, tapering towards the 

 neck, where it is armed with two protuberances : abdomen narrower 

 than the chest : legs ferruginous, slender, very long ; hips and hind 

 thighs tawny ; feet pitchy ; claws black ; foot-cushions yellow ; 

 first joint of the hind feet pale yellow : wings long, narrow, slightly 

 gray, adorned with two broad pale brown bands, the first near the 

 base, the second broader and darker than the first, and extending a 

 little beyond the lower cross-vein ; wing-ribs tawny ; veins pitchy, 

 tawny at the base ; third longitudinal vein nearly straight till half 

 the space between its junction with the lower cross-vein and the tip 

 of the wing, thence inclined upward and terminating very near the 

 second vein, which is slightly inclined downwards towards it ; lower 

 cross-vein perpendicular, nearly straight, distant by less than its 

 length from the hind border, by full four times its length from the 

 middle cross-vein, and by full five times its length from the tip of 

 the wing ; poisers tawny. Length of the body 4% lines ; of the 

 wings 7 lines. 

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



