478 CICHLID.E. 



20. LAMPROLOGUS BRBVIS. 

 Bouleng. Ann. Mus. Congo, Zool. i. p. 115, pi. xliv. fig. 2 (1899), and Poiss. Bass. 

 Congo, p. 405 (1901) ; Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 294; 

 Bouleng. Tr. Zool. Soc. xvii. 190G, p. 561. 



Depth of body 2|- to 3 times in total length, length of head 3 times. 

 Head twice as long as broad; snout as long as or shorter than eye, 

 which is 2| to 3 times in length of head and equals interorbital width ; 

 mouth extending to below anterior fourth of eye; 6 canines, outer 

 largest, in front of each jaw, followed by a narrow band of minute 

 teeth; lateral teeth small; cheek naked. Gill-rakers rather short, 9 on 

 lower part of anterior arch. Dorsal XVI-XVIII 6-7 ; spines subequal 

 from the fifth, about -f length of head ; longest soft rays about -| length 

 of head. Anal VII-IX 5-6 ; last spine as long as longest dorsals. 

 Pectoral about § length of head. Ventral reaching origin of anal or 

 a little beyond. Caudal rounded. Caudal peduncle deeper than long. 



Lamprologus brevis. 

 Type (A. M. C). 



Scales 30-35 ^; lateral lines -g^g-. Uniform brown above, whitish 

 beneath ; a black opercular spot ; fins brown, without spots, dorsal 

 tipped with black, ventrals black at the end. 



Total length 45 millim. 



Lake Tanganyika. — Type in Congo Museum, Tervueren. 

 1-2. Ad. Rumonge. Dr. W. A. Cunnington (C). 



21. LAMPROLOGUS MOORII. 



Bouleng. Tr. Zool. Soc. xv. 1898, p. 8, pi. i. fig. 4, and Poiss. Bass. Congo, p. 404 

 (1901) ; Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 292. 



Depth of body 2| times in total length, length of head 3 or o\ times. 

 Head twice as long as broad ; snout as long as eye, which is 3 to 3^ 

 times in length of head and equals interorbital width ; mouth extending 

 to below anterior border of eye ; 8 to 10 rather large canines in front of 

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



