i74 THE TANGANYIKA PROBLEM. 



filament. Anal X. 5 ; spines increasing in length to the last, which equals the last 

 dorsal ; longest soft rays f length of head. Caudal rounded. Caudal peduncle as 



c 22 — 27. 



long as deep. Scales 32-33 — ; lat. 1. -. Brown, with indistinct traces of 



& ^ ° JJ 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 ik 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 I length of head and nearly equals longest soft 

 rays. Pectoral £ length of head. Ventral reaching vent. Anal X. 6 ; spines 

 increasing in length to the last, which slightly exceeds longest dorsal. Caudal rounded. 



5 2 4 — 2D 



Caudal peduncle as long as deep. Scales 46 — ; lat. 1 .. Yellowish, 



b ' ^ 10 23 — 26 



with 1 1 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 



45 times in total length, length of head 2| to 3. Snout as long or a little longer 



than the diameter of eye, which is 3.} 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 g length of head ; middle soft rays produced ; § to | length of head. 



Pectoral J 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 



6 — 7 32 — 34 



1 § as long as deep. Scales 50-54 — — ; lat. 1. : lower lateral line often 



& r J 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. 



