BY FKEDERICK A. A. SKUSE. 767 



longitudinal and all the cross-veins clouded with pale brown ; 

 posterior portion of wings faintly clouded with brownish-grey. 

 Auxiliary vein reaching costa a little before origin of second 

 longitudinal vein ; sub-costal cross-vein situated before tip of 

 auxiliary vein a distance equal to half the length of stigma ; mar- 

 ginal cross-vein extremely indistinct, appearing as continuation of 

 first longitudinal vein; prsefurca angulated, not quite twice the 

 length of distance between origin of third longitudinal vein and 

 small cross-vein ; discal cell closed, the great cross-vein situated 

 before the inner end a distance greater than its length. 



ffab. — Middle Harbour, near Sydney ; September (Skuse). 



Obs. — I have taken but one specimen of this species. 



296. DlCRANOMYIA DORSALIS, Sp.n. 



(J. — Length of antennae 0-050 inch ... 1-27 millimetres. 



Expanse of wings 0-280 x 0-070 ... 7-10x1-77 



Size of body 0-210x0-030 ... 5-33x0-76 



9.— Length of antennae 0-045 inch ... 1*13 millimetres. 



Expanse of wings 0-280x0-070 ... 7*10x1-77 



Size of body 0-250x0-030 ... 6-34x0-76 



Head and rostrum brown or yellowish-brown ; palpi and 

 antennae dark brown or black ; rostrum shorter than the head. 

 Collare brown. Thorax fulvous or brownish-ochreous, somewhat 

 shining, with three confluent brown or deep brown stripes, the 

 lateral ones extending backwards beyond the suture ; scutellum, 

 metathorax and sternum brown or deep brown. Halteres infus- 

 cated, the base of the stem ochreous. Abdomen dark brown ', ^ 

 forceps ochreous, testaceous or brownish ; 9 ovipositor short, pale 

 at the base, the valves brown. Coxae fulvous or ochreous. 

 Remaining joints brown ; femora usually paler at the tip ; tibiae 

 and tarsi inf uscated. Wings hyaline or nearly so ; veins brown : 

 stigma brownish-grey. Auxiliary vein reaching costa opposite or 



