70 O. Kröber: 
pedibus fulvis, femoribus anterioribus nigro vittatis posticis nigris, 
tibiis basi flavis, tarsis nigris; alis fuscis ad costam obscurioribus. 
Ferruginous mouth and furrows of the face pitchy; mouth 
black, feelers pitchy, ferruginous at the base and at the tips; chest 
with three black stripes; middle stripe longer than the others in 
front, disk of the breast pitchy. Abdomen black, transversely 
striated, clothed with short black hairs, about twice the length of 
the chest, with a hoary tinge towards the tip; hind borders of the 
first and second segments ferruginous; second segment long, 
slender, cylindrical, slightly tapering from the base to the tip, 
much narrower than the following segments, which form a fusiform 
club; legs stout, feet and hind-thighs black; anterior thighs striped 
with black beneath; wings black grey along the hind border, the 
black outline forming an angle, at the junction of the praebrachial 
vein and the lower cross veins; the praebrachial vein is the same 
as the fifth vein, and the part beyond its flexure in this and in the 
following family is the tip cross-vein of Meigen. Poisers ferru- 
ginous. Length of the body 8 lines, of the wings 14 lines.‘ 
5. Conops excerptus Walk. List Dipt., vol. III, p. 674. 
„Nigra, fronte fulvo, thorace maculis abdomineque fasciis 
albo-pubescentibus ornatis; antennis nigris, pedibus piceis, tibiis 
basi fulvis, alis fuscis margine postico cinereo. 
Body black, head and chest partly covered with white silky 
down; head rugulose; front tawny redon each side of the crown, 
mouth pitchy, feelers black; second joint pubescent, much longer 
than the first; third joint a little longer than the first; fourth and 
following joints very short; chest adorned on each side of the front 
with a patch of white down, abdomen slightly sessile, linear for 
more than 4 of its length from the base, spindle-shaped thence to 
the end, adorned with three or four bands of white down, about 
twice the length of the chest. Legs pitchy, clothed with very short 
black hairs; shanks covered with white silky down, tawny at the 
base, foot-cushions yellow; wings brown along the fore-borders, 
especially by the borders of the veins for the whole length and for 
more than half the breadth, elsewhere gray; wing-ribs and veins 
pitchy, poisers yellow, pitchy at the base. Length of the body 
6 lines, of the wings 11 lines.“ 
6. Conops inhabilis Walk. List Dipt., vol. III, p. 672. 
„Nigra, fronte fulvo, humeris fulvo maculatis, abdomen seg- 
mentis margine posticis canis, antennis ferrugineis, articulo primo 
subtus fulvo, pedibus fulvis, femoribus supra piceis, alis limpidis 
ad costam fuscis. 
Body black, head with a ferruginous mark on thce rown, 
bright tawny in front ; eyes pitchy darkred on the sides of the crown; 
mouth pitchy, feelers ferruginous, first joint tawny beneath; 
second much more than twice the length of the first; third joint 
