138 MR. WALKER ON DIPTERA COLLECTED AT MAKESSAR. 



and by about its length from the flexure of the prsebrachial ; ahila; 

 cinereous, with testaceous borders. Length of the body 3-3^ Hues ; 

 of the wings 6-7 hues. 



138. MuscA PROFERENS, n. s. (Gen. Pyrelha, Desv.). Mas. Nigri- 

 canti-viridis, palpis antennis pedibusque nigris, ahs cinereis, aluhs ob- 

 scure cinereis, halteribus apice palhdis. 



Male. Blackish-green, shining ; eyes contiguous ; palpi and antennae 

 black, the latter nearly reaching the epistoma ; abdomen a little broader 

 and shorter than the thorax ; legs black ; wings cinereous ; veins 

 black ; pra;brachial vein forming a gentle curve at its flexure, straight 

 from thence to its tip ; discal transverse vein straight, parted by more 

 than half its length from the border, and hardly more than its length 

 from the flexure of the pra^brachial ; alulse dark cinereous ; halteres 

 with pale knobs. Length of the body 3 lines ; of the wings 6 lines. 



139. Musca refixa. Walk. See Vol. I. p. 26. 



140. Musca gavisa, n. s. (n. subg. Neomyia). Fcem. Purpurea, pu- 

 bescens, capite nigro, facie subobliqua, palpis antennis pedibusque 

 nigris, abdomine lato crasso, alis fuscescenti-cinereis basi nigricanti- 

 bus, alulis obscurioribus. Var. /3. Viridescenti-cyanea, scutello 

 purpureo. 



Female. Brilliant purple ; head black, shining, narrower than the tho- 

 rax ; frontalia dull, linear ; face slightly oblique ; palpi and antennae 

 black, the latter not reaching the epistoma ; thorax and abdomen with 

 thick black pubescence ; abdomen very thick, shorter and much broader 

 than the thorax ; legs black ; wings brownish grey, blackish at the 

 base ; veins black ; praebrachial vein forming a much-rounded and 

 very oblique curve at its flexure, hardly curved inward from thence to 

 its tip ; discal transverse vein hardly undulating, parted by much more 

 than half its length from the border, and by much less than its length 

 from the flexure of the praebrachial; alulae dark brownish grey. Var. 

 /3. Bright greenish blue ; scutellnm purple. Length of the body 5 

 lines ; of the wings 10 lines. 



141. Musca domestica, Linn. See Vol. I. p. 128. 



142. Musca conducsns, n. s. Mas. Cinerea, capite albo, palpis an- 

 tennis pedibusque nigris, thorace vittis duabus latis nigris, abdomine 

 testaceo linea dorsali nigra basi apiceque cinereo-nigris, alis cinereis. 



Male. Cinereous ; head white ; eyes bare ; palpi slender, subclavate ; 

 antennae not reaching the epistoma; thorax with two broad black 

 stripes ; abdomen dull testaceous, cinereous black at the base and 

 towards the tip, and with a black dorsal line ; wings cinereous ; veins 

 black ; praebrachial vein forming a rounded and very obtuse angle at 

 its flexure, slightly curved inward from thence to its tip ; discal trans- 

 verse vein curved inward, parted by full half its length from the bor- 

 der, and by a little more than its length from the flexure of the prae- 



