366 Mr. G. A. Boulenger on new 
3 length of eye, posterior 2 (less still in the young). Dorsal 
III 7, equally distant from eye and from caudal, with 
concave border; last simple ray flexible, as long as head. 
Anal II 5, not reaching caudal. Pectoral nearly % length of 
head, not reaching ventral, which is inserted below anterior 
rays of dorsal. Caudal peduncle 14 times as long as deep. 
Scales with few radiating striz, 24-25 = 14 between lateral 
line and ventral, 8 round caudal peduncle; the exposed part 
of the scales of the lateral line nearly 3 times as deep as 
long. Brownish, the scales on the side edged with dark 
brown ; fins whitish. 
Total length 110 mm. 
Lufuko River at Pala. 
Near B. congicus, Blgr., but dorsal with 7 branched rays 
instead of 8. 
Chrysichthys stappersiz. 
Depth of body 44 times in total length, length of head 
3% times. Head much flattened, 14 times as long as broad, 
rugose above; occipital process in contact with interneural 
shield; snout broadly rounded, projecting very feebly 
beyond mouth ; eye 6} times in length of head and 23 times 
in interocular width ; width of mouth 12 times in length of 
head ; band of premaxillary teeth curved, 7 times as long as 
broad; vomero-pterygoid teeth in a long uninterrupted 
band, very broad on the sides. Nasal barbel nearly as long 
as eye, maxillary 14 times length of head, outer mandibular 
% length of head. Gill-rakers moderately long, 10 on lower 
part of anterior arch. Dorsal I 6, its distance from caudal 
1} times its distance from end of snout ; spine striated, a 
little less than half length of head ; second branched ray 
longest, a little more than half length of head. Adipose 
dorsal 3 times as long as deep,-14 times as long as rayed 
dorsal, from which it is separated by a space a little greater 
than its base. Anal IV 9. Pectoral spine 4 length of 
head, strongly serrated on inner side. Caudal forked, 
longest rays 3} times as long as median. Caudal peduncle 
nearly twice as long as deep. Brown above, white beneath. 
Total length 480 mm. 
Kilewa Bay. 
Near C. cranchii, Leach, but mandibular barbels longer, 
adipose fin larger, caudal more deeply notched, 
