74 DIPTERA OF AUSTRALIA, 



Tibiae and tarsi cinereous. Wings pellucid, of a very pale 

 yellowish tint, having a pale somewhat long and straight 

 pubescence, and a cupreous reflection with a brilliant blue spot 

 over the branch of the third longitudinal vein when held at a 

 certain obliquity. Veins pale brownish. Costal with long erect 

 hairs before the end of the first longitudinal vein ; cross-vein 

 pale, not very oblique ; second longitudinal vein almost straight, 

 joining the wing mai'gin at the tip ; third longitudinal pale and 

 indistinct, particularly the anterior branch. (Description drawn 

 from dried specimen). 



Hah. — Woronora (Masters and Skuse), 



19. DiPLOsis PAULA, sp.n. 



9- — Length of antennae 0*020 inch ... 0-50 millimetre. 



Expanse of wings 0-050 x 0-015 ... 1-27 x 0-38 



Size of body 0-040x0-006 ... 1-01x0-15 



Antennae brown, joints cylindrical, twice as long as broad, sub- 

 sessile, verticillate-pilose ; terminal joint with a minute projection. 

 Palpi pale brown. Hypostoma and front pale brown. Thorax 

 nitidous, dark brown, two indistinct lines of paler brown with 

 short pale hair.s marking the divisions of the three usual stripes ; 

 humeri yellowish ; pleurae brown ; scutellum prominent, ochraceous- 

 brown. Poisers yellowish, white at the base ; stem very slender, 

 club large, pyriform, with a minute pubescence. Abdomen nitidous, 

 ochraceous-browu, with a scattered yellowish pubescence; lamellae 

 elongate, yellowish. Legs moderately long, slender, yellowish 

 grey, appearing darker on account of their puVjescence. Wings 

 pellucid, with a pale bluish tint ; not very thickly haired ; rosy 

 and golden i-eflections. Veins yellowish-brown. Second longi- 

 tudinal vein almost straight, reaching the margin before the apex 

 of the wing ; cross-vein distinct, not very oblique ; third longitu- 

 dinal vein indistinct, not turning abruptly towards tlie posterior 

 border ; anterior branch only bent at its base. (Description 

 drawn from fresh specimen). 



Hab. — Elizabeth Bay (Skuse). End of January. 



