1750 
DIPTERA OF AUSTRALIA, 
beneath and slightly at the base, the latter and the tibiae very 
slightly tipped with ochreous at the apex (almost imperceptibly in 
most specimens) ; tibiae and tarsi with a pale ochreous reflection 
lieneath. Coxae yellow or brownish-yellow, with white scales. 
Wings longer than the abdomen, hyaline, the veins densely covered 
with violet-brown scales. Auxiliary vein joining the costa im- 
mediately opposite the tip of the postei’ior branch of the fork of the 
fifth longitudinal vein ; middle cross-vein about erpial in length to 
the posterior cross-vein, situated in front of the latter a distance 
equal to twice its length ; first sub-marginal cell longer and some, 
what narrower than the second posterior cell, its base situated 
opposite that of the latter in the slightly before it in the Q ; 
anterior branch of the fifth longitudinal vein originating opposite 
a point rather nearer the origin of the second longitudinal than 
to the tip of the sixth longitudinal. 
llah. — ^^'idespl’ead in Australia. Found in towns throughout 
the year, but more numerous and causing most annoyance during 
the summer months. 
Ohs . — Possibly a variety of C. ciliaris, Linn. 
213. CuLEX ATRiPES, sp.n. (W. IMacleay, MSS.) 
— Length of antennae O’OTO inch ... L77 millimetres. 
Expanse of wings 0'120x0’030 ... 3 04x0’76 
Size of body 0-150 x 0-030 ... 3-81 x 0-76 
Antennae black, a little shorter than the proboscis ; first joint 
of the scapus with a hoary reflection. Head densely covered Avith 
violet-black scales, the eyes bordered with a very fine line of 
silvery-white scales. Proboscis six times the length of the palpi, 
both uniformly covered with Auolet-black scales. Thorax (nitidous 
black when denuded), covered with light bronzy scales, and densely 
haired above the origin of the wings and posteriorly ; prothoracic 
lobes and pleurae, also an oblong spot just before the origin of the 
wings, covered with silvery-white scales ; scutellum ochreous, 
covered above with violet-brown scales and fringed with long 
