46G 



ClCHLID.i;. 



Purplish brown, the scales edged with blackish; traces of 5 darker 

 cross-bars on the back ; a blackish opercular spot ; fins dark grey or 

 blackish. 



Total length 72 millim. 



Upper Congo. — Types in Congo Museum, Tervueren. 

 ]. One of the types. Bikoro, L. Tumba. M. P. Delhez (C.)- 



Hoi 



Stanley Falls. 



Ur. 0. Christy (C). 



6. LAMPROLOGUS MOCQUARDII. 



Pellegr. Bull. Mus. Paris, 1903, p. 221, and Mem. Soc. Zool. France, xvi. 1904, 



p. 291, fig. 



Depth of body 4^ to 4^ times in total length, length of head 3 J times. 



Upper profile of head straight; snout as long as eye, 31 times in length 



of head ; mouth extending to below anterior border of eye ; head naked. 



Fig. 318. 



Laiiii>roio(jus iiwcqiiardii. 

 Type, after Pellegriu (Mem. Soc. Zool. France, 1904). 



Gill-rakers short, 5 on lower part of anterior arch. Dorsal XIX 8 ; 

 spines increasing in length to the last, which measures f length of head. 

 Anal "V-VI 6-7. Pectoral § length of head. Ventral not reaching vent. 

 Caudal rounded, subacuminate. Caudal peduncle a little longer than 

 deep. Scales 33-34 ^, very small on nape and belly ; lateral lines Ijz^. 

 Yellowish, with traces of five dark cross-bars ; fins uniform greyish. 



Total length 63 millim. 



Upper Ubanghi. — Types in Paris Museum. 



7. LAMPROLOGUS TRETOCEPHALUS. 

 Bouleng. Ann. Mus. Congo, Zool. i. p. 117, pi. xlv. fig. 4 (1899), and Poiss. Bass. 

 Congo, p. 399 (1901) ; Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 289 ; 

 Bouleng. Tr. Zool Soc. xvii. 190G, j). .557. 



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

 Head twice as long as broad, with slightly concave upper profile ; 



