Miss G. Ricardo on the Asilide. 52 
segment is produced ventrally to a short point armed with 
long black hairs, six or more in number, Legs uniformly 
blackish ; ; the coxze with long bristle-like yellow hairs; the 
femora stout with ‘short white pubescence; the fore femora 
armed with usually three bristles below, very occasionall 
four are present, and with three above; the middle femora 
with about nine in three rows, two more near the apices, 
and two at the apex; the hind femora with sixteen or so 
bristles in three rows, two more near the apices, and four at 
the apices ; tibiz with strong bristles above and below, the 
tarsi also with very many strong bristles; tibize and tarsi with 
the same pubescence as the femora, all bristles black ; femora 
and tibize have also long white hairs below, thickest on the 
front ones; the fore tibize and the hind tibize have deep 
orange-red pubescence on their lower outer edges; the first 
joits of tarsi on fore and hind legs have the same-coloured 
pubescence on their under surface. 
Female identical. 'The fore femora with often only two 
bristles at the apex, the three above are very often absent, 
and the hind femora often have only three at the apices. 
The ovipositor is black with black hairs, not much longer 
than the last segment. 
Machimus khastensis, ¢ 2, sp. n. 
Type (male) and type (female) from Lower Ranges, N. 
Khasi Hills, Assam, 1878 (4. Chennell), 96, 135. 
A species very similar to Machimus hirtipes, sp. n., but 
distinguished by the wholly black legs. 
Length 17 mm. 
Male.—Stripes of thorax are probably not so distinct, the 
median stripe not so dark ; preesutural bristles three, supra- 
alar three, postalar two. Abdomen greyish yellow, the dark 
spot on each segment not very distinct; pubescence as in 
M. hirtipes; genitalia wholly black, the eighth ventral 
segment the same, but the hairs on the long projection are 
only black above, yellow and loug below. Legs blackish ; 
the fore femora with only three bristles above and long 
yellow hairs below, the mid-femora with three aud two at 
apex, the hind femora with three above and three below 
in the female, but apparently fewer in the male, a few 
pale bristles are present; pubescence on femora short and 
yellowish, the same on the tibiz, which have also thick 
appressed fringes of rufous hairs on their under surfaces. 
The species is distinguished from Machinus nigrinus, sp. n 
by the paler colouring of the abdomen and its thicker 
4e 
