BY FREDERICK A. A. SKUSE. 773 



Front, antennae, and palpi brown; rostrum yellowish; terminal 

 joint of antennae with a slender cylindrical prolongation. Thorax 

 pale brownish-ochreous, sub-nitidous ; pleurae paler ochreous, with 

 an almost imperceptible greenish tint. Halteres long (TOl mm.), 

 slender, infuscated, pale at the base of stem. Abdomen olive- 

 brown, the forceps very little paler. Legs dusky brown, the 

 coxae and extreme base of femora pale greenish-ochreous. Wings 

 narrow, lanceolate, almost hyaline, with a slight greyish tint; 

 stigma almost invisible ; veins brown. Auxiliary vein reaching 

 costa a little beyond origin of second longitudinal vein ; sub-costal 

 cross-vein situated before the tip of auxiliary vein a distance 

 equal to rather more than half the length of praefurca ; marginal 

 cross-vein situated at tip of first longitudinal vein ; praefurca 

 about 2i times the length of distance between origin of third 

 longitudinal vein and small cross-vein ; discal cell closed, the 

 great cross- vein at or before its inner end. 



Hah. — Blue Mountains N.S.W. (Skuse). One specimen. 



Obs. — The wings are considerably broader at the apex than 

 those of D. longipennis, Schum ; the basal portion is similar. The 

 above-described appears closely allied to I), halterata, O.S. 

 (Dipt. N. Amer. IV. p= 71). 



303. DlCRANOJIYIA ANNULIPES, Sp.n. 



(J. — Length of antennae 0'040 inch ... 1-01 millimetres. 



Expanse of wings 0-210 x 0-055 ... 5-33 x 1-39 



Size of body 0-140 x 0-025 ... 3-55 x 0-62 



Head, including rostrum, palpi and antenna3, deep brown, 

 almost black. Thorax dull brown, somewhat sericeous on posterior 

 portion, and also on scutellum and melanotum ; pleurae dull brown. 

 Halteres fulvous. Abdomen ochreous-brown, the segments bor- 

 dered at the sides with brown, tolerably well clothed with yellow 

 hairs ; forceps bright fulvous. Legs pale ochreous-brown ; femora 

 with a darker ring before apex, slightly paler a little before and 

 after the ring ; tibiae and all tarsal joints tipped with deep brown 



