4.5 
white, apices dark brown; mid-tibiae entirely ochreous-while; tarsi 
black; first segment of posterior tarsi ochreous, the remaining 
segments brown-black ; first segment of mid-tarsi pale at the basal 
half, the remainder brown, the other segments are wanting. Wings 
narrow, uniformly smoky-brown ; with three costal dusky-white spots ; 
the first, about midway between the base and apex of the wing, is 
placed below the costa and immediately above the first transverse 
vein ; the second about midway between the first and third spots, 
forms a continuous oblique band extending from the costa to the base 
of the first forked vein ; the third is slightly narrower and extend 
from the costa to the hind margin, leaving the extreme4ip of smoky 
brown. 
Length 9nun.; length of wing 8 mm.; greatest width of wing 
275 mm. 
A clearly distinct species, easily recognised by the curious colora¬ 
tion of the wings. 
Locality : — Two specimens were caught in a European’s house at 
Yakusu. 
H&matopota brunnipennis, Ric. 
Localities: Coquilhatville ; Nyangwe ; Kasongo. 
Circumstances of capture: -These flies were only caught on the 
river. 
Hczmatopota spp. 
Several rather worn specimens belonging to this genus were taken 
on cattle and horses at Matadi. Just to the north of the Limposo 
river one flew into the carriages of a moving train. 
Chrysops dimidiatus, v. d. Wulp. 
(PI. iv, fig. 1) 
Localities: -Banana (Dr. Etienne); Matadi; N’Kussu ; Wat hen ; 
fshumbiri; Lisala (reported by Rev. K. Smith); Yakusu. 
C ircumstances of capture: Specimens were taken both near and 
at short distances from water. One was also caught in a European’s 
house. 
