438 Miss G. Ricardo on the Asilidee. 
bristles at back of head are black, on each side of the vertex. 
Mane apparently does not begin till the middle, although 
a row of very short hairs are visible in most of the specimens 
anteriorly on the median line, becoming longer below the 
collar; the mane proper begins at the suture in the form of 
long black bristles on each side, enclosing short black hairs 
which are replaced by long dirty yellow hairs reaching the 
posterior border; most of the bristles on each side of thorax 
are yellowish and long. Scutellum almost bare, with long 
yellow bristles on its posterior border, six or more in number, 
interspersed with a few weak yellow hairs. Thorax and 
scutellum bronze-green with greyish-yellow tomentum. 
Abdomen the same colour, the tomentum thickest at sides 
and on segmentations, having a large brownish spot on each 
segment ; bristles on sides yellow, two deep ; pubescence on 
dorsum very short, pale yellowish; underside identical. 
Leys wholly bronze-green with whitish pubescence and longer 
pale yellow hairs below femora and tibize, all the bristles 
yellow. Wings greyish, the small transverse vein at about 
the middle of the discal cell. emale identical, some black 
hairs present near the oral opening, third joint of antennz 
with arista a little more than half its length. Ovipositor 
short, about the length of the last segment, black shining 
with some dirty yellow pubescence at tip. 
Dysmachus nigripes, sp. n. 
Type (male) from Willbrook, Natal, 17. ii. 1914. 
Type (female) from Willow Grange, Natal (R. C. Wrough- 
ton), other males from same localities ; two from Mfongosi, 
Zululand (W. EH. Jones), and another female from Willbrook ; 
all in I, EH. E. Coll. 
A species nearly allied to Dysmachus albopilosus, sp. u., but 
differing from it in the shape of the genitalia, which are 
here a fair length and slender, the moustache is also wholly 
yellow, and the legs entirely blackish. 
Length, ¢ 16-18, ? 17-18 mm. 
Male.—Face covered with glistening yellowish tomentum. 
Beard not very thick, composed of fairly long yellow bristly 
hairs, not reaching the antennz, the space between being 
occupied by long black bristles, which in some specimens 
continue a short way alongside of yellow hairs. Palpi with 
long yellow hairs. Antenne blackish, the first two joints 
with black bristly hairs below and a very few white ones 
on upperside, arista more than half the length of the third 
