i74 
THE TANGANYIKA PROBLEM. 
filament. Anal X. 5 ; spines increasing in length to the last, which equals the last 
dorsal ; longest soft rays l length of head. Caudal rounded. Caudal peduncle as 
5 22 — 23 
long as deep. Scales 32-3? — ; lat. 1. . Brown, with indistinct traces of 
v 0 12 9 —10 
five darker bars ; pectoral bright yellow, other fins blackish towards the border. 
Total length, 83 millim. 
Described from two specimens from Kinyamkolo. 
35. Lamprologus fasciatus. — Blgr. 1898. (Fig., p. 187, lower.) 
A few moderately large curved canine teeth in front of each jaw, followed by a 
narrow band of minute teeth ; lateral teeth very small. Depth of body 4 times 
in total length, length of head 3. Snout as long as the diameter of the eye, which 
is 3 times in length of head and equals ii interorbital width ; maxillary extending 
to below anterior border of eye ; cheeks naked ; opercles and occiput scaled. Gill- 
rakers short, 12 on lower part of anterior arch. Dorsal XIX. 8 ; spines increasing 
in length to the last, which measures | length of head and nearly equals longest soft 
rays. Pectoral 4 length of head. Ventral reaching vent. Anal X. 6 ; spines 
increasing in length to the last, which slightly exceeds longest dorsal. Caudal rounded. 
Caudal peduncle as long as deep. Scales 46 ^ ; lat. 1 Yellowish, 
with 11 dark brown bars, the first across the vertex; fins greyish; dorsal and 
anal edged with blackish. 
Total length, 70 millim. 
Described from a single specimen from Kinyamkolo. 
36. Lamprologus furcifer. — Blgr. 1898. (Fig., p. 199, lower.) 
A few large curved canine teeth in front of each jaw, followed by a moderately 
broad band of minute villiform teeth ; lateral teeth very small. Depth of body 4 to 
4 j times in total length, length of head 2\ to 3. Snout as long or a little longer 
than the diameter of eye, which is 34 to 3I times in length of head and exceeds 
interorbital width ; maxillary extending to below anterior fourth of eye ; cheeks and 
opercles with deciduous scales. Gill-rakers short, 16 on lower part of anterior 
arch. Dorsal XX. -XXI. 7-8; spines increasing in length to the last, which 
measures § length of head ; middle soft rays produced ; § to J length of head. 
Pectoral § length of head. Ventral reaching vent or origin of anal. Anal VI.- 
VII. 6 ; spines increasing in length, the last nearly as long as last dorsal ; 
middle soft rays produced. Caudal deeply notched, crescentic. Caudal peduncle 
it as long as deep. Scales 50-54 f ' ; lat. 1. ^ ; lower lateral line often 
16 — 17 22 — 31 
nearly complete. Dark brown, with very indistinct blackish bars on the body ; 
dorsal and caudal with round black spots between the rays ; tips of the caudal 
lobes whitish. 
Total length, 125 millim. 
Described from three specimens from Kinyamkolo, and one from Mbity Rocks. 
