2G4 Miss G. Ricardo on the 



Mr. Marshall informs me that this species has been found 

 at Cape York by Dr. MacGillivray. 



Silvius notatuft, ? , sp. n. 



Type (female) from Kalamunda, S.W. Australia, 850 ft., 

 March 1914 {R. E. Turner), 1914, 258. 



A badly preserved female from Mallee District, Victoria, 

 in Mr. French's Coll. is probably a specimen of this species. 



A black species, with four small white-haired spots on the 

 abdomen, subcallus shining, forehead fairly broad. Palpi 

 slender, with truncated tips, as in several species from 

 Australia. 



Length 13 mm. 



Face covered with grey tomentum and with rather thick 

 brown hairs on each side bordering the cheeks and a few in 

 the centre. Palpi reddish yellow, wider at base and con- 

 cave ; the long slender point is longer than the basal half ; 

 pubescence consists of short black hairs, which are also 

 present at the tip. Beard dirty white. Antennce reddish 

 brown, the first two joints with black hairs, the third with 

 its basal division broad, showing a very slight angle, the last 

 four joints very small. Subcallus protuberant, reddish 

 brown and shining. Forehead slightly narrower anteriorly, 

 about four times as long as it is broad, the ocelli very 

 distinct, with grey tomentum round them, pubescence on 

 forehead black. Thorax blackish, with grey tomentum, 

 forming four stripes ; sides reddish, with brownish hairs and 

 white ones below on the breast, on dorsum with blackish- 

 brown hairs. Scutellum same as thorax, with a fringe of 

 chiefly white hairs. Abdomen blackish, covered with some 

 grey tomentum, and with white hairs at sides ; the four spots 

 are situated on the third, fourth, and fifth segments in the 

 middle of each segment, with their base resting on the 

 posterior border, being in shape short, triangular ; there are 

 traces of one on the second segment ; all the segmentations 

 with white hairs; elsewhere the pubescence is blackish. 

 Legs obscurely reddish yellow, the femora blaekish, with 

 white hairs ; pubescence otherwise black. Wings clear, 

 veins brown. 



Chrysops, Meigen. 

 Nouvelle Classification, p. 23 (1800). 



Only two species of this genus have been recorded from 

 the Australasian Region — Chrysops testaceus, Macq., and 



