new Fishes from Lakes Tanganytka and Kivu. 3 
Paratilapia nigripinnis. 
D. XV-XVII 11. A. III 8-9. Sq. 39-40 4. 
L. lat. 29-30/13-16. 
General proportions and essential characters as in P. lepto- 
soma, Blgr., but easily distinguished by the number of spines 
and soft rays in the dorsal and of soft rays in the anal. 
Dark brown, lighter beneath; fins blackish, caudal edged 
with white. 
Total length 80 millim. 
Two specimens from Msambu, Tanganyika. 
Bathybates fasciatus. 
D. XV116. A.IIL17. Sq. 140%. L. lat. 75/45. 
Depth of body 44 times in total length, length of head 34. 
Diameter of eye twice in length of snout, 5 times in length of 
head, 14 times in interocular width. 18 gill-rakers on lower 
part of anterior arch. A series of large round blackish 
blotches above the upper lateral line, alternating with vertical 
blotches or cross-bars below. 
Total length 340 millim. 
A single specimen from the west coast of Lake Tanganyika. 
Xenotilapia ornatipinnis. 
DaxiMox y12213. A: Il 7-880 Sq. 34-37 © 
L. lat. 28-32/13-18/4-12. 
Body less elongate than in X. sima, Blgr., its depth nearly 
equal to length of head and 34 to 33 times in total length. 
Large blackish spots or oblique bars on the dorsal; upper 
lobe of caudal with a blackish edge; a blackish chevron-shaved 
band lower down on the caudal. 
Total length 110 millim. 
Several specimens from Kibwesi, Tanganyika. 
Trematocara unimaculatum. 
D. X-XII 9-11. A. III 7-8. Sq. 30-32%. L. lat. 5-14. 
17 gill-rakers on lower part of anterior arch. Dorsal spines 
longer than in J. marginatum. A large round black spot on 
the posterior third of the spinous dorsal. 
Total length 120 millim. 
Several specimens from Usambura, J'anganyika. 
1* 
