BY FREDERICK A. A. SKUSE. 623 



the outer side ; tarsi brown. Tibial spurs deep brown or black. 

 In the fore-legs the tarsi twice the length of the tibiae, the latter 

 somewhat longer than the metatarsal joint. Wings the length of 

 entire body, pellucid, slightly yellow anteriorly ; a small distinct 

 brown spot between the first longitudinal vein and petiole of the 

 fork of the fourth longitudinal, including the small cross-vein ; 

 a paler clouding between the tips of the costal and third longi- 

 tudinal veins, extending backwards in the first posterior cell and 

 reaching the anterior branch of the fork about the middle ; basal 

 portion of the fork indistinctly clouded ; and lastly, one or two 

 very indistinct clouds between the fourth and fifth longitudinal 

 veins. Inner end of the second posterior cell opposite that of the 

 sub-marginal ; base of the fork of the fifth longitudinal vein 

 situated opposite the inner end of second posterior cell ; sixth 

 longitudinal vein not reaching the base of the fork of the fifth 

 longitudinal vein. 



Hah. — Hogan's Brush, Narara Creek, Gosford, N.S.W. (Skuse), 

 one specimen in August; Mount Kosciusko, N.S.W., 5000ft. 

 (Helms), March ; a single sj^ecimen in Coll. Australian Museum. 



Genus Delopsis, gen.nov. 



Head somewhat longish-round, flattened, situated deep in the 

 thorax ; front broad, the anterior border produced triangularly 

 in the middle, the point reaching the basal joints of the antennae. 

 Eyes oval. Ocelli two, large. Palpi prominent, incurved, four- 

 jointed ; first joint small, second robust, about two and a half 

 times the length of the first, third slender, clavate, about the 

 length of the first two combined, fourth very slender, clavate, the 

 length of the first three combined. Antennae porrected, arcuated, 

 2--F 14-jointed ; first joint of the scapus obconical, much longer 

 than the second, the second cyathiform, setiferous at the apex ; 

 flagellar joints cylindrical, progressively diminishing in thickness, 

 with a short downy pubescence. Thorax longish-ovate, gibbose, 



the anterior margin projecting somewhat over and closely applied 

 42 



