84 DIPTERA OF AUSTRALIA, 



Abdomen deep brown, with a pale pubescence. Lpgs long 

 and rather robust. Coxie brown. Femora, tibiae and tarsi 

 sordid brown with paler articulations, appeai'ing of a uniform pale 

 fulvous when viewed in a certain direction ; the femora with 

 somewhat long, pale, semi-erect hairs. "Wings pellucid, with a 

 bluish tint, very densely haired, the posterior border not very 

 deeply ciliated, reflection obscure on account of the dense 

 pubescence, with a somewhat pruinose appearance. Venation 

 pale brownish. Costal densely fringed, haii-s diminishing in 

 length from the base to the end of the first longitudinal ; transverse 

 vein very indistinct ; second longitudinal vein thinner towards 

 the end, reaching the border considerably beyond the apex of the 

 wing ; third longitudinal pale, particularly the anterior branch. 

 (Description drawn from dried specimen). 

 Hah. — Glenbrook (Masters). January. 



.31. DiPLOSIS MONTANA, Sp.n. 



^. — Length of antennaj 0-040 inch ... 1 "01 millimetres. 



Expanse of wings O'lOO x 0-040 ... 2-54xl-01 



Size of body 0-065 x 0-020 ... 1-66x0-50 



Antennaj deep brown ; joints long, sub-sessile, sub-cylindrical ; 

 verticils pale brownish ; basal joints brown, the first considerably 

 larger than the second ; terminal joint with a small bud-shaped 

 appendage. Hypostoma pale brown. Palpi rather long, pale 

 brown. Thorax deep brown, levigate, sometimes with a greenish 

 appearance ; humeri reddish-brown ; pale pubescence ; pleurae 

 deep brown almost black. Halteres pale at the base, the stalk 

 brown, knob pale. Abdomen brown, doisal segments darker than 

 the undersurface, densely covered with a pale pubescence. Legs 

 very long and .slender. Coxa? brown. Femora yellowish-brown 

 at the base, the anterior half greyish-brown, a])jjearing blackish 

 when viewed at a certain obliquity. Wings pellucid, with a pale 

 brown tint, thickly haired, the posterior margin densely but not 

 very deeply ciliated ; l)rilliant i)urpureous reflection. Veins pale 

 brownish. Costal densely ciliated, hairs long at the base. 



