LAMPliOLOGUS. 473 



longest soft rays i to f length of head. Anal V-VI 7-9 ; last spine as 

 long as or a little shorter than last dorsal. Pectoral ^ length of head. 

 Ventral reaching vent or anal. Caudal truncate. Caudal peduncle 

 1^ times as long as deep. Scales 85-95 25^'> lateral lines j^i^- 

 Brown to blackish brown, with lighter mottling ; young with dark 

 spots with a tendency to form cross-bars ; vertical fins dark brown, 

 with small darker or lighter spots. 



Total length -325 millim. 



Lake Tanganyika. 



1. Type. Mbity Rocks. Prof. J. E. S. Moore (C). 



2. Type. Kinyamkolo. „ 



a. Ad. Niamkolo, off Mtondwe Id. Dr. ^\ . A. Cnnnington (('.). 



4. Yg. Niamkolo Bay. ,, 



5. Hot. Sumbu. „ 



15. LAMPROLOGUS PLEUROSTIGMA. 

 Bouleng. Rev. Zool. Afr. iii. 1914, p. 443. 



Depth of body 5 times in total length, length of head 3^ to 3^ times. 

 Head 2^ to 2| times as long as broad ; snout with convex upper prohle, 

 1^ to 1| diameters of eye, which is 3f to 4 times in length of head and 

 equals interorbital width ; chin projecting ; mouth extending tp below 

 anterior border of eye ; 4 or 6 very large canines, wide apart, in front of 

 each jaw, followed by a moderately broad band of minute teeth ; lateral 

 teeth small; small scales on the cheek. Gill-rakers rather long, 15-lG 

 on lower part of anterior arch. Dorsal XVIII-XIX 10; spines 

 increasing in length to the last, which measures f to nearly ^ length of 

 head ; longest soft rays i to f length of head. Anal V-VI 8-9 ; last 

 spine ^ length of head. Pectoral | length of head. Ventral reaching 

 vent. C.iudal truncate. Caudal peduncle twice as long as deep. 

 Scales 85-90 |^; lateral lines |§^. Brown above, lighter beneath, 

 with darker variegations and an elongate horizontal blackish spot on the 

 side in front of the lower lateral line ; a small black opercular spot ; 

 vertical fins brownish, soft dorsal and anal with small darker spots; 

 pectorals yellow; ventrals blackish. 



Total length 150 millim. 



Lake Tanganyika. — Type in Congo Museum, Tervueren. 

 1, Olio of tlie typos. Kilowa Bay. Dr. D. Stap]ier- (C). 



