Ilb4 
DIPTERA OF AUSTRALIA, 
the second longitudinal vein, ending before the ajiex of the 
wdng ; auxiliary vein complete, terminating in the costa befoi’e 
the origin of third longitudinal vein ; sub-costal cross-vein missing ; 
second longitudinal vein forming a long-stalked fork with a short 
anterior branch, the latter sometimes running into the costa, 
sometimes into the first longitudinal vein ; petiole of the third 
sub-marginal cell always short ; fifth longitudinal vein complete. 
141. Ceroplatus Mastersi, sp.n. (PI. xxxi. fig. 3). 
— Length of antennje 0'080 inch 
Expanse of wings 0’180x0'070 ... 
Size of body 0'300 x 0’035 ... 
2 '02 millimetres, 
4-56 X L77 
7-62 X 0-88 
Q.— Length of antennae 0‘075 inch ... 1 ’89 millimetres. 
Expanse of wings 0‘240x0‘090 ... 6‘G9 x 2'27 
Size of body 0*330 x 0*060 ... 8*37 x 1*54 
Antennae the length of the thorax, deep brown ; first joint 
of the scapus prolonged anteriorly in an obtuse lobe ; both joints 
of the scapus and first six or seven flagellar joints more or less 
obscurely tinged with ochraceous or ferruginous-ochraceous, the 
terminal joint yellow, narrower and longer than the one preceding 
it, with a minute bud-shaped projection ; all the joints densely 
covered with a minute pubescence and fringed on the upper side 
wdth short semi-erect setaceous hairs. Front brown with black 
hairs, black on the vertex. Eyes non-contiguous, reaching as 
far as the lateral ocelli. Hypostoma pale yellow, ochraceous 
browTiish-yellow. Palpi yellow, three-jointed, the first two joints 
small, sparsely covered wdth short hairs, the third joint longer than 
the first tw'o combined, elliptical, densely covered with a micro- 
scopic pubescence sparsely interspersed with short hail's. Thorax 
ochraceous-brown, with a short dense black pubascence, setaceous on 
the lateral margins; almost covered with three deep brown longi- 
tudinal stripes, so that little of the ochraceous-brown is \'isible, 
the intermediate stripe broader than the others, very broad at the 
coUare, cuneiform, terminating in a point a short distance before 
