2 73 Miss G. Ricardo on the 



colour, with a few black hairs only. Forehead parallel, 

 about four times as long as it is i)roa(l ; wlien clenuded a 

 (lark callus appears, but in the type there is hardly a trace 

 of one. Kijes hairy. Thorax blackish, covered with fulvous 

 or irrey pul)escence. Scufel/iiin identical. Abdomen with a 

 bl.u'kish ground-colotir, covered with greyish tomeiituni and 

 vith short yellowish-grey pubescence, and some longer 

 black hairs interspersed ; the posteiior borders of segments 

 reddish yellow, and the first two segments the same colour 

 at the sides ; underside very similar. Legs reddish yellow ; 

 coxte black, covered with grey tomentum and with white 

 hairs; femora blackish, reddish yellow at extreme base and 

 at apex, covered with grey tomentum and Avhite hairs ; 

 ])ul)escence elsewhere yellowish, with some few black hairs. 

 H inffs clear, veins yellow, appendix present. 



Three females from Bellerive, Tasmania, Feb. 13, 1914, in 

 ]\lr. White's Coll., are identical, but the third joint of au- 

 teuuse is wholly black. 



Tabanus imperfect us, ? , Walker, List Dipt. i. p. 179 (1818). 



Type (female) from New South Wales, and two females 

 from Mangalore, Tasmania ; presented by Mr. Arthur 

 White. 



A blackish species, smaller than Tabanus antecedens, 

 W^alker, and the frontal callus is very much lai'ger, taking 

 up the whole of the anterior half of the forehead, with no 

 lineal extension. 



Length of type 10 mm. ; the other females are somewhat 

 smaller. 



Face covered with grey tomentum and with long white 

 hairs, some black hairs intermixed. Palpi pale dull yellow, 

 very hairy, a little stout at base, with long black hairs above 

 and white ones below. Antenna in type destroyed, in the 

 other females they are blackish ; the first two joints with 

 some black hairs, the third with a small angle to represent 

 the tooth. Eyes hairy. Forehead broader anteriorly than 

 at the vertex, about a third as wide (anteriorly) as it is long. 

 Frontal callus reddish brown, extending from eye to eye and 

 reaching more than halfway down the forehead ; at its poste- 

 rior end it becomes narrower, ending in a very obtuse point; 

 some black hairs are present on sides of forehead, which is 

 covered posteriorly with grey tomentum. Thorax black ; 

 in the fresh specimens two narrow grey stripes are apparent, 

 very short, not reaching the median suture ; shoulders 

 iu\<\ the sides greyish, pubescence short, black, longer ou 



