Miss G. Ricardo on the Asilidee. 53 
pair on the under surface; tarsi with similar long black 
bristles. Wings hyaline, grey ou fore border and at apex, 
with grey streaks in the posterior cells, the small transverse 
vein barely beyond the middle of the discal cell. 
Female identical, but the moustache is entirely black; 
ovipositor black, compressed, about the length of the two 
preceding segments together; abdomen with the pale seg- 
mentations more distinct and wider. 
Machimus nigrinus, & 2, sp. n. 
Type (male) (160), type (female) (148), and a series of 
both males and females from Bowdali, 5700 feet, July 1909 ; 
Khati, 7650 feet, 30. 5. 09 ;, Bhim Tal, 18. 6. 12; Binsar; 
28. dle: Takula, 2725. 12; -Airades, 1. 6. 12; Ohanlecrias 
13. 6. 12; all localities in Kumaon. 
A small blackish species, distinguished from Machimus 
montanus by the wholly black legs and from Machimus 
indianus by the absence of bristles on the underpart of 
the fore femora. Abdomen blackish with greyish segmen- 
tations. Moustache black and white. 
Length, g 14-17, 2? 13-17 mm. 
Male.—Face covered with yellowish-white tomentum ; 
tubercle large, blackish, covered with black stout bristles 
and long white bristles intermixed on the lower part, all 
forming the moustache. Palpt black with black hairs. 
Beard and hairs round head white. Antenne biackish, the 
first two joints with black hairs, the third with a style about 
two-thirds of its length. Forehead blackish with black hairs, 
postocular bristles black. Thorax yellowish brown, the 
median stripe blackish brown, with a very fine dividing-line 
anteriorly, the side-stripes the same colour; presutural 
bristles two in number, two supra-alar bristles, two postalar 
bristles, and about six dorso-central stout bristles, many fine 
bristles or hairs intermixed with them. Scutellum with six 
marginal bristles. Dorsum of thorax covered with short 
black bristles. 4ddomen greyish, with a large brownish- 
black spot on each segment, not attaining the posterior 
border; sides of segments with weak yellowish bristles. 
Genitalia large, black, with chiefly black pubescence; the 
eighth ventral segment produced considerably, but not to a 
point, fringed sith black hairs, at the sides they become 
sparse and “yellow. Legs black, covered with eveyish short 
pubescence ; the fore femora with long black hairs below, no 
bristles; two very strong bristles near apex, middle femora 
with two very stout bristles at the apices, two or more on 
