1206 
DIPTERA OF AUSTRALIA, 
half of the fourth longitudinal vein, faintly clouded with pale 
yellowish-brown; veins yellowish-brown; auxiliary vein, sub-costal 
cross-vein, and base of the third longitudinal vein paler than the 
rest. Tips of the costal and third longitudinal veins about equally 
distant from the apex of the wing ; detached anterior branch of 
the fourth longitudinal vein starting in the wing-disk mid wav 
between the third and fourth longitudinal veins and a little before 
the tip of the first longitudinal vein, joining the posterior margin 
nearer the tip of the fourth longitudinal vein than that of the 
third longitudinal vein; fifth longitudinal vein altogether missing. 
Hab . — Sydney (Skuse). September. 
Genus 35. Aphelomera, gen.nov. 
Head small, round, the fore part flattened, situated deep in the 
thorax. Ocelli three, of almost equal size, arranged in a curved 
line high on the front. Eyes ovate, a little emarginate above on 
inner side. Palpi prominent, incurved, four-jointed ; first and 
second joints somewhat robust, first joint small, second twice the 
length of the first, third rather longer than the first and second 
taken together and considerably more slender’, fourth' joint 
very slender, about equal in length to all the others taken 
together (PI. xxxii., fig. 1 3a). Antennje ai’cuated, projecting 
forwards, longer than the head and thorax combined, very 
slender, 2- -p 14-jointed ; joints of the scapus of about equal 
size, cupuliform, both setifei’ous at the apex ; flagellar joints 
cylindrical, with a dense short pubescence. Thorax ovate, 
highly arched ; scutellum small, almost semicircular ; meta- 
thorax high, acclivous. Abdomen slender, cylindrical, six- 
segmented, with an anal joint almost as large as the sixth 
abdominal segment, and small forceps. Legs long, slender ; 
femora not so robust as the coxas, compressed ; tibiae spurred, and 
the intermediate and hind pairs each with two rows of lateral 
spines. Wings oblong-ovate, longer than the abdomen, rounded 
off at the base, microscopically pubescent. Costal vein extending 
far beyond the ti[> of the second longitudinal vein, stopping a 
little before the apex of the wing ; auxiliary vein joining the 
