212 Miss G. RicavJo on TabaniJie/ro?^ 



pt. 4, Nov. 24tli), coutaiiiing ei^ht new species of this 

 genus, which, with the four new species named by me in the 

 Ann. & Mag. Nat. Hist. (8) xvi., Oct. 1915, brings the known 

 species occnrring in Australia to twenty. Seven new species 

 are now added, which are all distinct from those described 

 by Mr. Taylor, judging from his descriptions. 



Silvius grandis, ? , sp. u. 



Type (female) and another from Fortescue River, Ham- 

 mersley Range, North-West Australia, and another in tiie 

 Brit. Mus. Coll. from N. Australia (/. R. Elsey), 57.13.4 — 

 this latter in bad preservation. The type is in the South 

 Australian ]Museum. 



A lari^e dark brown species: antennae, palpi, and legs 

 blackish. Abdomen with white-haired segmentations. 



Length 15 nun. 



Face blackisli, covered with grey tomentum and with 

 some white hairs. Palpi si*nilar to those of a species of 

 Tabarius ; large, black, stoat at base, ending in a point. 

 Reard scanty, white. Antenride black, the third joint wide 

 at its base, the first two joints with black hairs. Eyes bare. 

 Forehead narrow, and narrower anteriorly than at vertex; 

 frontal callus narrow, pear-shaped, with long lineal exten- 

 sion; ocelli distinct; traces of g(4den-coloured pubescence on 

 forehead. Thorax (denuded) blackish brown, some white 

 liairs at sides and on shoulders. Abdomen blackish brown, 

 the segmentations white-haired, the other female has the 

 first and second segments partly yellowish brown; traces of 

 grey tomentum appear on segments ; pubescence on abdo- 

 men black ; underside blackish, with white-haired segmen- 

 tations. Legs blackish brown with black pubescence, the 

 tibise more reddish brown. Wings greyish, slightly tinged 

 yellowish browu; veins and stigma yellowish; no appendix. 



Silvius fuscipennis J ? , sp. n. 



Type (male) from Claudie River, Queensland (7". A. B.). 



Type (femalej from Cape York, N. Queensland {Mac- 

 gillivray). 



Three females from Claudie River and one female from 

 Cape York. 



Tiie types are in the Nat. Museum, Victoria. 



A species apparently belonging to this genus, to be 

 recognized at once by the brown wings with one irregular 

 clear band and tAvo clear spots. 



Length 13-16 mm. 



