212 Miss G. RicarJo 07i TabanlJa3//'(?m 



pt. 4, Nov. 24tli), containing eight new species of this 

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

 Ann. & Mag. Nat. Hist. (8) xvi., C)ct. 1915, binngs the known 

 species occurring in Australia to twenty. Seven new species 

 are now added, which are all distinct from those described 

 l)y Mr. Taylor, judging from his descriptions. 



Silvius grandis, ? , sp. n. 



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

 merslev Range, North-West Australia, and another in the 

 Brit..Mus.Coll. from N. Australia (/. K Elsey), 57. 13.4— 

 tliis latter in bad preservation. The type is in tlie South 

 Australian Museum. 



A lar^e dark brown species; antennse, palpi, and legs 

 blackish. Abdomen with white-haired segmentations. 



Length 15 mm. 



Face Ijlackish, covered with grey tomentum and with 

 some M'hite hairs. Palpi similar to those of a species of 

 Tabaiius ; laige, black, stoat at base, ending in a point. 

 Beard scanty, white. Antennde 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 golden-coloured pubescence oa 

 forehead, thorax (denuded) l^lackish 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. Let/s blackish brown with black pubescence, the 

 tibiae more reddish brown. Whigs greyish, slightly tinged 

 yellowish brown; veins and stigma yellowish; no appendix. 



Silvius fuscipennis ^ ? , sp. n. 



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



Type (female) from Cape York, N. Queensland [Mac- 

 gillivray) . 



Three females from Claudie River and one female from 

 Cape York. 



Tne types are in the Nat. Museum, Victoria. 



A species a|jparently belonging to this genus, to be 

 recognized at once by the brown wings with one irregular 

 clear Ijand and two clear spots. 



Length 13-16 mm. 



