24 
ME. WALKER’S CATALOGUE OF DIPTEROUS INSECTS 
80. Musca porphybina, n. s. (genua Lucilia, Desv.), fcem. Purpurea, capite 
albido, antennis pedibusque nigris, palpis fulvis, abdomine seneo-purpureo, 
alia cinereis. 
Female. Purple. Head whitish. Proboscis and antennse black. Palpi tawny. 
Thorax with a slight hoary tinge which is very indistinctly striped. Ab- 
domen bronze-purple. Legs black. Wings grey ; veins black ; prsebrachial 
vein forming a very slightly obtuse angle at its flexure, from whence it is 
very slightly curved inward to its tip ; discal transverse vein nearly straight, 
parted by little more than half its length from the border and from the 
flexure of the prsebrachial. Alulee dark grey. Length of the body 4£ lines ; 
of the wings 9 lines. 
Mount Ophir, at the height of 4000 feet. 
81. Musca trita, n. s. (genus Lucilia, Desv.), foem. Cyaneo-viridis, capite 
pedibusque nigris, facie albi, thoracis lateribus subpurpurascentibus, ab- 
dominis lateribus apiceque albido-tomentosis, alis sublimpidis. 
Female. Bright bluish-green. Head and appendages and legs black ; face 
white. Sides of the thorax slightly purplish. Abdomen green, with slight 
whitish tomentum along each side and at the tip. Wings almost limpid j 
veins black ; prsebrachial vein forming a very obtuse and slightly rounded 
angle at its flexure, from whence to its tip it is hardly curved inward j 
discal transverse vein hardly curved inward, parted by much less than its 
length from the border and by a little less than its length from the flexure 
of the prsebrachial vein. Alula? greyish. Length of the body 3 hues ; of 
the wings 6 lines. 
Malacca. 
82. Musca defix a, n. s. (genus Lucilia, Desv.), mas. Cyaneo-viridis, capite 
albido, epistomate testaceo, palpis pedibusque nigris, antennis fulvis, alis 
subcinereis. 
Male. Bluish-green. Head whitish ; epistoma testaceous. Proboscis, palpi 
and legs black. Antennae tawny. Wings greyish ; veins black ; prse- 
brachial vein forming a slightly obtuse and slightly rounded angle at its 
flexure, from whence to its tip it is moderately curved inward ; discal 
transverse vein slightly undulating, parted by one-third of its length from 
the border, and by less than half its length from the flexure of the pra?- 
brachial. Alula? grey. Length of the body 3 lines j of the wings 6 lines. 
Singapore. 
83. Musca REFlectens, n. s. (genus Pollenia, Desv.), fcem. Purpureo- 
cyanea, viridi-varia, capite fulvo, frontalibus cinereis, palpis antennisque 
testaeeis, pectore testaceo, maculis duabus purpureo-cyaneis, abdomine 
cano-subtessellato, apice aeneo, pedibus validis nigris, tibiis fulvis, alis sub- 
cinerascentibus. 
Female. Purplish-blue tinged with green, hardly shining. Head fawn- 
colour, testaceous in front ; frontalia cinereous. Proboscis black. Palpi, 
antenna? and pectus testaceous, the latter with a purplish-blue mark on 
each side. Abdomen slightly tessellated with hoaiy tomentum, seneous 
at the tip. Legs black, stout ; tibia? tawny. Wings very slightly greyish ; 
veins black, testaceous towards the base and along the costa ; prsebrachial 
