150 MR. WALKER ON DIPTERA COLLECTED AT MAKESSAR. 



which part from the hind border, are united on the praebrachial trans- 

 verse vein, and there join the costal stripe, the exterior one very short ; 

 veins black ; radial vein excessively contorted towards its tip ; cubital 

 vein straight till near its tip, where it is inclined hindward, and is 

 slightly undulating ; praebrachial vein very undulating exteriorly ; sub- 

 anal vein straight ; discal transverse vein very oblique, nearly straight, 

 parted by full one-fourth of its length from the border, and by full 

 half its length from the praebrachial transverse, which is straight, up- 

 right, and unusually long. Length of the body 7 lines ; of the wings 

 16 lines, 

 Enicoptera flava, Macq. (Dipt. Exot. Supjil. 3, 63), the type of this 

 genus , inhabits Java, and is closely allied to E. tortuosa, and may be 

 a local variety of the latter species, but differs from the character and 

 figure. Macquart states that his description was taken from an ap- 

 parently immature specimen. 



191. Enicoptera arcuosa, n. s. Mas. Fulva, longa, nitens, pubes- 

 cens, capite pallide luteo vitta lata biramosa fasciaque antica nigris, 

 thoracis lineolis duabus maculisque duabus anterioribus pectorisque 

 lituris duabus nigris, abdomine fusiformi, alis longis lutescentibus sat 

 angustis apices versus fuscis postice cinereis, vitta discali albida, fascia 

 exteriore alba autice furcata et arcuata. 



Male. Tawny, long, shining, minutely pubescent ; head pale luteous, 

 with a broad black stripe which emits an oblique branch on each side 

 to the eye, and with a black band by the epistoma ; antennje nearly 

 reaching the epistoma ; 3rd jomt linear, rounded at the tip, thrice the 

 length of the 2nd ; arista plumose ; thorax with two short black lines, 

 each with a black spot in front ; pectus with a black mark on each side ; 

 abdomen fusiform, longer but hardly narrower than the thorax ; legs 

 lont^, hai'dly pubescent ; wings long, rather narrow, somewhat luteous, 

 brown towards the tips, grey along the hiad border, with a short 

 whitish discal stripe which terminates in a white band, the latter ab- 

 breviated hindward and forked in front, the exterior fork much curved 

 and terminating behind the tip of the wing ; veins tawny, black towards 

 the tips; radial vein slightly undulating opposite the praebrachial 

 transverse vein ; the other veins straight ; discal transverse vein slightly 

 oblique, slightly curved outward, parted by fidl one-third of its length 

 from the border, and by nearly twice its length from the praebrachial 

 transverse ; halteres testaceous. Length of the body 6 lines ; of the 

 wings 14 lines. 



192. Enicoptera? plagifera, n. s. Faun. Testacea, longiuscula, 

 frontis puncto nigro, facie nigricante-cinerea, palpis nigro guttatis, 

 antennis luteis, thoracis lineis tribus strigisque duabus exterioribus, 

 metathorace pectorisque lituris nigris, abdomine fusiformi fasciis dua- 

 bus basalibus nigris ; alis vitreis longiusculis, strigis duabus basahbus 

 fasciis duabus plagaque subapicali fuscis. 



Female. Testaceous, rather long, not shining, with a few black bristles ; 



