1748 
DIPTERA OP AUSTRALIA, 
twice the length of the thorax, superior segments covered with 
violet-black scales, each segment bordered anteriorly with a very 
narrow band of ochre-yellow ; venter ochre-yellow, each segment 
bordered posteriorly with a moderately narrow baud of violet- 
brown or violet-black. Coxjb and femora ochre-yellow, the latter 
more or less covered along the n]>per side and at the tip Avith 
violet-black scales, the extreme apex of the femora ochre-yellow ; 
tibite and tarsi violet-black or violet-brown, the former Avith a 
more or less distinct line of ochre-yelloAv on the sides and slightly 
ochre-yellow at the extreme apex, and the first tAvo joints of the 
tarsi very slightly and indistinctly ochre-yelloAv at the base. In 
the hind-legs the tibiaj about J longer than the metatarsi. Wings 
longer than the abdomen, hyaline, the veins densely covered with 
violet-brown scales. Auxiliary vein joining the costa opposite 
the middle cross-vein and a little before the tip of the posterior 
branch of the fork of the fifth longitudinal ; middle cross-vein 
rather indistinct, longer than the posterior cross-vein situated 
beyond it a distance twice the length of the latter ; first sub- 
marginal cell scarcely longer than the second posterior cell, 
considerably narrower, its base lying a short distance beyond that 
of the latter ; anterior bi’anch of the fifth longitudinal vein as in 
the last species. 
Hah . — Knapsack Gully, Blue Mountains ; Hexham, and 
Wheeny Creek, N.S.W. (Skuse). October and January. 
211. CULEX (? sp.) 
(J. — Length of antennai 0*085 inch 
Expanse of wings 0*160 x 0 040 ... 
Size of body 0*220x0*040 ... 
2*14 millimetres. 
4*06 X 1*01 
5*58 X 1*01 
— Length of antennae 0*100 inch 
Expanse of wings 0*180x0*045 
Size of body 0*220 x 0*047 
2*54 millimetres. 
4*56 X 1*13 
5*58 X 1*18 
and 9- — Antennae light brown ; first joint of the scapus and 
basal half of the second joint ochre-yellow or orchraceous, in the ^ 
