LAMPEOLOGUS. 



481 



XVIIT-XIX 8 ; spines increasing in length to the last, which measures 

 J to f length of head; longest soft rays f to | length of head. Anal 

 Vll-Vlll 7-8 ; last spine as long as longest dorsal. Pectoral f to f 

 length of head. Ventral produced into a filament, extending heyond 

 origin of anal. Caudal rounded. Caudal peduncle deeper than long. 

 Scales 35-38 j.,_',y ; lateral lines -^j;;^ . Brownish ; caudal peduncle and 

 base of caudal with darker vertical bars ; a black opercular spot ; dorsal 

 and anal edged with blackish. 



Total length GO millim. 



Lake Tanganyika. — Types in Congo Museum, Tervueren. 

 1-2. Two of the tyix's. Tulo. Dr. Ji. Stappors (('.). 



24. LAMrUOLOCiUS (ALLIUUUS. 

 Boiileng. Tr. Zool. Soc. xvii. 100(5, p. 5(J0, pi. xxxv. fig. 5. 



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

 Head twice as long as broad ; snout a little shorter than eye, which is 



Fig. 332. 



Lainjjrologus calliarus. 

 Type (Tr. Z. S. 1906). 



3 times in length of head and a little greater than interorbital width ; 

 mouth extending to below anterior border of eye ; 6 or 8 canines in 

 front of each jaw, outer strong, curved, followed by a narrow band of 

 minute teeth ; lateral teeth small ; cheek naked. Gill-rakers long and 

 slender, 14 to IG on lo>ver part of anterior arch. Dorsal XVII-XVIII 7; 

 spines subequal from the eighth or ninth, about ^ length of head ; soft 

 rays a little longer. Anal VIII 6-8 ; last spine nearly as long as longest 

 dorsals. Pectoral | length of head. Ventral extending beyond origin 

 of anal. Caudal truncate. Caudal peduncle a little deeper than long. 

 Scales 35-3Gj^jy; lateral lines ^'j",^. Yellow, brownish on the back, 

 with rather indistinct darker bars across the back and across the caudal 



