276 Mr. F. Walker's Characters of unJescribed Diptera 



hairs beneath ; callus long, slender, slightly wider in front. Palpi 

 tawny. Antennae small, dark ferruginous, black towards the tips; 

 third joint with a very small tooth. Thorax ferruginous on each 

 side ; pectus partly ferruginous, with white hairs. Abdomen 

 with the hind borders of the segments ferruginous; underside 

 ferruginous, with short black bands. Legs tawny; fore-femora, 

 fore-tarsi and tips of the fore-tibiae black. Wings greyish ; veins 

 black, ferruginous at the base ; fore-branch of the cubital vein 

 obtusely angular at its base, not emitting a branch ; sub-anal vein 

 joining the anal at some distance from the border. Halteres 

 whitish. 



Length of the body 6^ lines ; of the wings 14 lines. 



Burmah. 



Fam. ACROCERID^. 



Genus Cyrtus, Latr. 



Ctjrtus orbifcr. 



Mas. — Niger, proboscide corporis longitudine, antennis basi 



testaceis, thorace pilis pallidis fulvis dense vestito, abdominis 



seo-mentis testaceo - marginatis, pedibns pallide luteis, alis 



sub-cinereis, venis nigris. 



Mole. — Black ; proboscis curved towards the tip, as long as 



the body ; antennae very slender, testaceous at the base ; thorax 



thickly clothed with pale tawny hairs; abdomen with a testaceous 



band on the hind border of each segment; legs pale luteous; wings 



slightly cinereous; veins black, well defined. 



Length of the body 5 lines ; of the wings 10 lines. 

 Natal. 



Fam. ASILID.E. 



Sub-fam. Dasypogonites. 



Genus Dasypogon, Fab. 



Dasijpogon secah'dis. 



Foam. — Aurato-flavus, capite supra nigro fascia antica fer- 

 ruginea, mystace aurato, proboscide palpis antennisque fulvis, 

 thorace fulvo vitiis duabus latissiniis cinereo-ferrugineis tri- 

 busque angustis incompletis sub-auratis, abdomine nigro 

 segmentorum marginibus aurato-flavis, pedibus fulvis nigro- 

 spinosis, femoribus posterioribus basi nigris, alis cinereis, 

 venis fulvo-vittatis, halteribus flavis. 



Group of D. brunrieus ; see Cat. Dipt, ^nd series, ii. 420. 



