32 
MR. WALKER’S CATALOGUE OF DIPTEROUS INSECTS 
two blackish-brown bands ; the 1st broad, basal, not extending beyond half 
the breadth from the costa ; the 2nd narrow, entire, near the 1st ; veins 
black ; discal transverse vein straight and upright, parted by one-third of 
its length from the border, and by very much more than its length from the 
prsebrachial transverse vein. Halteres testaceous. Length of the body 
lines ; of the wings 5 lines. 
Singapore. 
Gen. Xangelina, n. g. {Plate I .Jig. 3.) 
Foem. Carpus latiusculum, paree setosum. Caput antice subdilatatuni; facies 
magna. Antenna) breves; articulus 3 11 ® longi-conicus; arista longa, gracilis, 
plumata. Abdomen brevi-ovatum, thorace non longius. Pedes breviusculi. 
Alee mediocriter latse ; venae rectse. 
Female. Body rather broad, with a few bristles. Head somewhat dilated in 
front ; face large. Antennse short ; 3rd joint elongate- conical ; arista long, 
slender, plumose. Abdomen short-oval, not longer than the thorax. Legs 
rather short. Wings moderately broad ; subcostal vein extending to about 
one-fourth of the length of the wing ; mediastinal extending a little beyond 
the subcostal ; radial ending at about seven-eighths of the length ; cubital 
ending at the tip ; cubital and prsebrachial almost parallel beyond the discal 
transverse vein, which is straight and upright, and parted by very much 
more than its length from the prsebrachial transverse, and by much less 
than its length from the border. 
107. Xangelina basigtjtta, n. b., foem. Testacea, scutello fusco, abdomine 
fulvo, alis subcinereis guttA eostali nigrA venis transversis nigro-sublim- 
batis. 
Female. Testaceous. Proboscis partly brownish. Scutellum brown. Abdo- 
men tawny. Wings slightly greyish ; veins black ; a black dot at the tip 
of the subcostal vein; transverse veins slightly clouded with black. 
Length of the body 2 lines ; of the wings 4 lines. 
Malacca. 
Gen. Platystoma, 
108. Platystoma kigida, n. s., mas. Ferrugineo-fusca, capite subtiis albo, 
an tennis piceis, pectore albido, pedibus nigris, alis nigricantibus albo con- 
fertim at interrupt^ guttatis. 
Male. Ferruginous-brown, tomentose. Head white behind and beneath, fer- 
ruginous and shining in front. Antennae piceous ; arista slightly plumose. 
Pectus whitish. Legs black. Wings blackish, thickly studded with white 
dots, which disappear at the base and on an undulating band beyond the 
middle ; veins black. Length of the body 3 lines ; of the wings 6 lines. 
Singapore. 
109. Platystoma stellata, n, s., mas. Cinereo-nigra, capite subtiis albido, 
antennis fulvis, facie abdominis apice pedibusque nigris nitentibus, alis 
obscur& cinereis guttis confertis at interruptis limpidis. 
Male. Cinereous-black, tomentose. Head shining black in front, whitish 
behind and beneath. Antennse tawny. Abdomen shining black at the 
