COLLECTED AT SINUAPOllE AND MALACCA. 25 



vein forming a very obtuse angle at its flexiu'e, from whence it is slightly 

 undulating to its tip ; discal transverse vein very deeply undulatmg, parted 

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

 from the flexure of the praebracliial vem. Alulce white. Length of the body 

 5 lines ; of the wings 10 hues. 

 Malacca. 



84. Mtjsca infixa, n. s. (genus Silbomyia, Macq.), foem. Viridi-cyanea, 

 capite albido, frontalibus antennisque nigris, palpis fidvis, thoracis vittis 

 quatuor abdomineque piu-pureis, pechbus piceis, femoribus cyanascentibus, 

 alls cinereis costa venisque fusco-marginatis. 



Female. Greenish-blue. Head whitish. Frontaha, proboscis and antennae 

 black. Palpi tawny. Thorax with fom' purple stripes. Abdomen purple. 

 Legs piceous ; femora bluish. Wings grey, browaiish along the costa and 

 along the borders of the veuis, which ai-e black ; pnebracliial vein forming 

 an almost right and somewhat roimded angle at its flexure, from whence it 

 is very shghtly ciu'ved inward to its tip ; discal transverse vein very shghtly 

 midulatmg, parted by fidl half its length from the border, and by much 

 more than its length from the flexure of the pr£ebraehial vein. Alulae dark 

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



Singapore. 



85. MtrsCA ruMiPENNis, n.s. (genus Silbomyia, Macq.), foem. Cyaneo-viri- 

 dis, capite testaceo, fi'ontahbus piceis, ^Dalpis antennisque testaceis, thoracis 

 vittis quatuor subobsoletis purpurascentibus, scutello abdomineque pur- 

 pureo-cyaneis, pechbus nigris robustis dense pilosis, ahs fuscis, apud costse 

 dimidium basale sublimpidis. 



Female. Bluish-green. Head pale testaceous ; frontaha piceous. Proboscis 

 black. Palpi and antennae testaceous. Thorax with fom' very uichstinct 

 pvu'phsh stripes. Scutellum and abdomen purphsh-blue. Legs black, stout, 

 thickly pilose ; fore coxae tawny. Wings brown, paler at the tips and along 

 the hind border, nearly limpid along the costa for half the breadth, and 

 rather less than half the length from the base ; veins black ; praebracliial 

 vein forming a very shghtly oblique and much-rovuided angle at its flexure, 

 from whence it is moderately cm-ved inward to its tip ; chscal transverse 

 vein nearly straight, parted by rather more than half its length from the 

 border, and by much less than its length from the flexure of the prae- 

 bi'achial vein. Alulae grey. Length of the body 5 lines ; of the wings 10 

 lines. 



Singapore. 



86. MusCA DOTATA, n. 8. (genus Phormia ? Desv.), mas. Virichs, capite 

 antico albo, palpis antennisque fulvis, abdominis vitta dorsah nigra fasciis- 

 que nigro-aeneis, pedibus nigi'is, ahs cinereis, dimidio apicali antico nigro- 

 fusco. 



Male. Green. Head wliite in front. Proboscis black. Palpi and antennae 

 tawny. Abdomen with a black dorsal stripe, and with blackish bronze 

 bands. Legs black. Wings grey ; apical half blackish-brown, excepting 

 the hind border ; veins black ; pi-aebracliial vem forming a very obtuse and 

 somewhat rounded angle at its flexure, from whence it is very slightly 



