752 AUSTRALIAN TABANIDiE, ii., 



SiLVIUS SUBLURIDUS, sp.n. 



9. Length, 12; width of head, 5; width of front at vertex, 0-75, 

 length of wing, 10 mm. 



Head: front brown, black when denuded; frontal callus a small 

 plug, black, shining, tumid, about three-fourths as wide as the 

 front, base a short distance from the subcallus, apex ending in a 

 blunt point ; subcallus shining black, protuberant ; first and 

 second segments of antennie yellowish, clothed witli numerous 

 black hairs, markedly so on their doi-sal apices, first cui)-shaped, 

 second very small, third reddish, its ])ase fairly large and broad; 

 }>alpi pale reddish, nearly the length of the proboscis, the latter 

 black; eyes bare, inner margins slightly converging toward their 

 bases. 



Thorax slate coloured, denuded, with traces of short, golden 

 hairs; scutellum similar; pleunc slate-coloured, with scattered, 

 grey hairs. 



Abdomeii yellowish-brown, the two apical segments darker; 

 basal segments of venter paler than dorsum, penultimate and 

 apical segments blackish. 



Leyn: basal half of femora slate-coloured, the remainder and 

 tibi;e reddish, the former clothed with grey hairs, the latter w ith 

 short, black ones; fore-tarsi black; mid and hind dusky; spurs on 

 mid-tibite black, conspicuous; hind ones pale, inconspicuous. 



Winys clear, veins dark except the subcostal, which is yellowish; 

 stigma yellowish; all posterior cells widely open; no appendix. 



//«6.— Northern Ten-itory: Darwin (G. F. Hill). 



A specimen closely resembling S. Inridus Walker, from Port 

 Stephens, N.S.W., but differing in the antemue, legs, etc. De- 

 scribed from a single specimen, sent by Mr. Hill, labelled "taken 

 on horse, eyes brown." 



SiLvius DODDi Ricardo. 



Ann. Mag. Nat. Hist., (8), xvi., p.261 (1915). 

 Hab.—Q. : Kuranda (F. P. Dodd). 



