162 ERNEST E. AUSTEN—THREE NEW AFRICAN SPECIES 
with hair of same colour ; a small, clove-brown or blackish, median emargination 
(looking like the rounded termination of the centre dark stripe on the dorsum of 
the thorax) sometimes visible on the front edge of the scutellum. Abdomen : 
longitudinal stripes on dorsum widely separated from lateral margins, commenc- 
ing at base beneath scutellum, where they are in contact, terminating just before 
reaching hind margin of sixth segment, and frequently interrupted on hind 
margins of fourth and fifth segments ; a vestige of the stripes sometimes visible 
in centre of seventh segment ; dorsum, except stripes on first four segments, 
Fig. 1.—Chrysops magnifica, Austen. 9. xX 6. 
clothed with short, bright, cadmium-yellow or saffron-yellow hair ; venter saffron- 
yellow, unicolorous, clothed with short, appressed hair of same colour. Wings : 
dark area clove-brown or blackish brown, as shown in fig. 1 commencing at base, 
including costal cells, extending diagonally across proximal portion of first and 
second basal cells, and occupying whole of distal portion of wing from level of 
origin of third longitudinal vein ; hind margin of infuscated distal extremity only 
very faintly lighter than elsewhere; distal portion of axillary cell slightly in- 
fuscated ; stigmaclove-brown. Syuame blackish. Halteres clove-brown, base of 
stalk lighter. Legs: tibiew not incrassate, hind tibie fringed on inner and outer 
sides with fine black hair. 
GERMAN East Arrica : type and six other specimens from South Usagara, 
22, 23. XII. 1910 (S. A. Neave). 
Chrysops magnifica, which presents a certain superficial resemblance to 
C. bicolor, Cordier*—especially when the wings are in the resting position so 
* Syn. C. nigriflava, Austen: cf. E. BE. Austen, “Tllustrations of African Blood-Sucking 
Flies,” p. 48, Plate IT, Fig. 14 (1909). ©, bicolor also occurs in German Kast Africa (Usambara), 
