108 Dr. C. P. Alexander on African Crane-flies 
pattern ending abruptly opposite the posterior margin of the 
eye. Frontal prolongation and ventral surface of the head 
black. The median sclerite of the mesonotal postnotum has 
at least the anterior two-thirds light yellow. Halteres light 
brown, the knobs yellow. Femora black with only the bases 
yellow, those of the fore legs including about one-third of 
the segment, the hind legs including approximately one- 
half the segment. Abdomen with segments one and five to 
nine black, segments two to four and the extreme base of 
tergite five uniformly orange, immaculate. In the female 
the ninth segment is orange, the valves of the ovipositor 
bright horn-colour. 
Hab. Uganda. 
Holotype, 3 , Mt. Kokanjero, south-west of Elgon, altitude 
6400 feet, August 9,1911 (S. A. Neave). B.M. no. 19138. 
140. 
Allotopotype, ? . 
Paratopotypes, 2 3’s,1 @. 
Type in the collection of the British Museum (Natural 
History). 
Nephrotoma ochripennis, sp. n. 
Antenna with the first scapal segment orange; head 
orange-yellow, the occipital mark elongate, black ; meso- 
notum yellow, the prescutum with three broad black stripes ; 
pleura spotted with brownish black ; halteres with the knobs 
yellow; wings light yellow, the costal and subcostal cells 
more saturated ; abdomen reddish, with a broad black sub- 
terminal ring ; tergites two to five with a black triangle at 
the caudal margin. 
Male —Length 11 mm.; wing 12 mm. 
Frontal prolongation of the head very short, light yellow, 
blackish above ; palpi dark brown, Antenne with the first 
segment orange ; second segment reddish brown ; flagellum 
black. Head orange-yellow, clearer yellow anteriorly ; occi- 
pital mark elongate-triangular, black, very conspicuous. 
Pronotum light yellow, the sides with a linear black mark. 
Mesonotal prescutum yellow with three broad black stripes 
that are approximated but not confluent behind; lateral 
stripes bent outward to the margin ; scutum with the lobes 
black, the median area conspicuously light yellow ; scutellum 
brownish testaceous ; postnotum clear yellow, the posterior 
margin narrowly darkened ; between the median and lateral 
sclerites an intense black U-shaped mark. Pleura yellow; 
