DTPTERA. 101 



lirst and second joints beset with a few black bristles ; second much shorter 

 than the first ; third linear, slightly curved, full twice the length of the 

 first and second joints: chest red ; its fore i)art adorned with a short black 

 stripe : abdomen linear, blackish-purple, a Utile narrower than the chest, 

 and less than twice its length, clothed with hoary hairs, which abound 

 most at the tip : legs black, shining, rather long, beset with black bristles ; 

 foot-cushions pitchy : wings blackish-brown, somewhat paler along the 

 hind bovdeis and in the disks of the areolets ; wing-ribs and veins black ; 

 poisers tawny. Length of the body 4 lines ; of the wings 10 lines. 



Van Dienien's Land. 



PROLE PSLS, n. g. 



Alis areola? posticaj tres ; vena inter areolas Qam et 3am angulum 

 rectum fingens venfe proximo basi juncta ; areola la inferior margine 

 posteriore clausa. 



Face armed with a thin tuft of bristles : fore-shanks without tip-spines : 

 middle submarginal areolet rather wide on the border, the fork of the vein 

 which includes it much nearer to the little cross-vein in the disk than to 

 the tip of the wing ; three posterior areolets ; the vein between the second 

 and the third, not as usual, passing direct to the hind border, but forming 

 a right angle, and joining the next vein towards the base ; first inferior 

 areolet closed on the bind border. 



Prolepsis 1L3IIFLAMMA, Plate 3, fig. 0. 



Fern. Ni(/r(i, humprh fulvo vittaiis, ahdomine nigro-ci/aneo, untennis hasi 

 fulris, pedibus nufrin, ali.i ftilris, marghie poslico nigris, apice alhh 

 nigrn fasciatis. 



Body black : covering of the head brown ; bind part and sides of 

 the crown beset with black bristles -. face shining, armed with a thin 

 tuft of black bristles: eyes black; fore part flat, its facets larger than 

 those elsewhere: sucker black, clothed with black hairs: first and se- 

 cond joints of the feelers tawny, beset with black bristles: a short, 

 oblique, pale tawny stripe on each side of the front of the chest : abdomen 

 blue-black, almost linear, conical towards the tip, cloihed with short, black 

 hairs, as broad as the chest and towards twice its length : legs black, 

 clothed with short black hairs and bristles : wings dark tawny, blackish 

 along the hind border and with a broad blackish band near the tip, which 



P 



