282 Miss G. Ricardo on the 



the segmentations. Legs blackish, the femora with grey 

 tomentum ; the tibiae reddish j ])ubescence black, femora 

 with some long white hairs, and the tibiae, especially the 

 middle pair, with some short white hairs. Wings clear, 

 appendix present, veins reddish yellow ; stigma very indis- 

 tinct, pale yellow. 



The male I have not been able to identify with certainty. 



Tabanus postponens, $ , Walker, List Dipt. i. p. 179 (1818). 



Type (female) from New Holland. 



A small species with reddish-yellow antennae and legs, a 

 broad forehead, widest anteriorly with a small oblong frontal 

 callus. Abdomen reddish brown with wide grey tomentose 

 bands and median spots. 



Length 12 mm. 



Face covered with yellowish-grey tomentum, a few dark 

 hairs in centre. Beard yellowish white. Palpi pale orange- 

 yellow, slender, stout on more than half their length, ending 

 in a long fine point, with rather thick short white pubes- 

 cence. Antenna Mars-yellow, the first two divisions with 

 some black hairs, the third division incomplete, stout at 

 base with an indistinct tooth. Subcallus same colour as 

 antennae, shining, but probably from denudation of greyish 

 tomentum. Forehead a little wider anteriorly than at 

 vertex, covered with grey tomentum, about three times as 

 long as it is broad anteriorly ; frontal callus small, oblong, 

 not reaching eyes, chestnut-brown, with a short lineal 

 extension. Eyes distinctly hairy. Thorax blackish brown 

 covered with greyish tomentum which leaves three dark 

 stripes visible, some pale fulvous appressed pubescence on 

 dorsum and some longer dark hairs at sides. Scutellum 

 same colour. Abdomen reddish brown, the grey tomentose 

 bands are present on every segment except the last one, 

 about half the width of the segment, extending in the 

 middle to an obtuse trianglar spot, largest on the second, 

 third, and fourth segments, pubescence on these bands 

 yellowish. Legs Mars -yellow, cluskyr on apices of tarsal 

 joints, pubescence on femora white, elsewhere black. 

 Wings clear, veins and stigma yellowish brown; small 

 appendix present. 



Tabanus basalis, ? , Walker, List Dipt. i. p. 182 (1818). 



Tvpe (female) from New Holland, and another female 

 from Tamworth, New S. Wales, 12. 12. 92, from Froggatt 



Coll. 



