264 DIPTERA OF AUSTRALIA, 



pleurae and pectus ochreous or brownish-yellow, the pectus some- 

 times brown ; scutellum ochreous-brown ; metanotum dark brown. 

 Halteres yellow. Abdomen about twice the length of thorax, 

 light umbrous-brown, with a yellowish pubescence. Legs ochreous- 

 brown, sometimes darker. In fore legs tibia more than twice 

 length of metatarsus. Wings longer than abdomen, hyaline, with 

 a more or less roseous brassy reflection ; costal, and first and third 

 longitudinal veins brownish. Costal extending beyond tip of 

 third longitudinal vein J the distance from that to tip of fourth 

 longitudinal ; auxiliary vein extremely pale and indistinct, 

 apparently joining costa midway between middle cross-vein 

 and tip of first longitudinal vein, and opposite base of fifth 

 longitudinal fork ; second longitudinal vein very pale, running 

 for some distance along costa before joinings terminating at a 

 point nearly midway between tips of first and third longi- 

 tudinal veins ; middle cross-vein pale ; fourth longitudinal pale 

 for whole of its length, almost reaching wing-margin, directed a 

 little posteriorly, terminating at apex, midway between tip of 

 third longitudinal vein and anterior branch of fifth longitudinal 

 fork ; posterior branch of the latter ^ the length of anterior 

 branch. 



Hah. — Elizabeth Bay, near Sydney (Skuse). Two specimens. 



255. Camptocladius crassipennis, sp.n. (PI. xii., fig. 17). 



9- — Length of antennae 0-012 inch ... 0-30 millimetre. 



Expanse of wings 0-065 x 0-020 ... 1-66x0-50 



Size of body 0-050x0-016 ... 1-27 x 0-40 



Antennae entirely brown. Head brown. Clypeus and palpi 

 ochreous or brownish. Thorax ochreous or brownish-yellow, dull, 

 almost completely covered by three deep brown or black stripes, 

 confluent at the scutellum, median line scarcely narrowing posteri- 

 orly, extending whole length of thorax, interstices of stripes very 

 narrow, with a row of yellow hairs ; pleurae and pectus brown to 

 dark brown, former sometimes tinged with ochreous; scutellum 



