606 
12 (11). 
13 (14). 
14 (13). 
15 (18). 
16 (17). 
17 (16). 
18 (15). 
19 (22). 
20 (21). 
21 (20). 
22 (19). 
23 (26). 
24 (25). 
25 (24). 
26 (23). 
27 (30). 
28 (29). 
29 (28). 
30 (27). 
Prof. Mario or Report on a Collection of 
Hind margin of the eyes indented ; proboscis usually short. 
Second longitudinal vein issuing from the third at an acute 
angle far before the first cross-vein ; first cross-vein far 
behind the middle of the discal cell . Lomatia, p. 613. 
Second longitudinal vein issuing at a right angle opposite or 
nearly opposite the first cross-vein; if far before, the 
angle is never acute. 
Second longitudinal vein issuing from the third some 
distance before the first cross-vein, at least at a distance 
which is greater than the distance of the cross-vein itself. 
Two submarginal cells : , . Petrorossia, p. 615. 
Three submarginal cells; anal cells broadly open ; wings 
petiolate ; proboscislong . Jsotamia, gen. n., p. 627. 
Second vein issuing opposite or nearly opposite the first 
cross-vein, the distance at any rate being smaller than 
the length of the cross-vein itself. 
Antennal style with a pencil of hairs at the tip; genitalia 
of the male of somewhat larger size, symmetrical. 
Third antennal joint lenticular, with a projecting margin; 
abdomen with silvery spots; wings obliquely bordered 
with black on the anterior half . . Anthrax, p. 620. 
Third antennal joint not so shaped ; abdomen with scales ; 
wings clear with some brown spots 
Molybdamoeba, p. 617. 
Antennal style without pencil of hairs; genitalia of the 
male smaller, unsymmetrical. 
Two submarginal cells only. 
Face rounded ; wings clear, at most only blackened on the 
fore margin. : , ; ; . Villa, p. 623. 
Face prominent; wings with extensive dark or black 
markings . : ; 5 . Thyridanthrax, p. 625. 
Three or four submarginal cells. 
Three submarginal cells. 
Face conically produced; proboscis short 
Exoprosopa, p. 635. 
Face rounded; proboscis long .  Litorrhynchus, p. 629. 
Four submarginal cells — . : . Hyperalonia, p. 651. 
1. Bombylius, Linne (1758). 
Two species only, belonging to two distinct groups. 
1. Bombylius micans, Fabricius (1798). 
A male specimen of this well-known South African 
species from Nyika Plateau, Urongo stream, North Nyasa, 
July 14th, 1909 (Dr. J. B. Davey). 
