BARBUS. 



109 



96. BARBUS CALLENSIS. 

 Cuv. & Val. Hist, Poiss. xvi. p. 147 (1842) ; Guichen. Explor. Sc. Alg., Poiss. 



p. 93 (1850). 

 ? Barbus leptopogon (Agass.), Bonap. Icon. Faun. Ital., Pesc. pi. — . fig. 3 (1839). 

 Barbus callensis, part., Giinth. Cat. Pish. vii. p. 92 (1868) ; Playf. & Letourn. 



Ann. & Mag. N. H. (4) viii. 1871, p. 392. 



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

 the same. Snout rounded, 3 times in length of head ; eye 3^ (young) 

 to 5 times in length of head, interorbital width 2f to 3 times ; mouth 

 subinferior, its width 4 to 4h times in length of head; lips well 



Pig. 86. 



Barbus callensis. 

 Algiers. ^. 



developed, interrupted on the chin; two barbels on each side, 1J to 2 

 times diameter of eye (less in the young). Dorsal IV 8, equally distant 

 from occiput and from root of caudal, border straight or slightly concave ; 

 last simple ray very strong, bony, strongly serrated, serrated part f to ^ 

 length of head. Anal III 5, reaching or nearly reaching caudal. 

 Pectoral f to f length of head, not reaching ventral ; base of latter 

 below anterior rays of dorsal. Caudal peduncle 1^ to 1-| times as long 

 as deep. Scales radiately striated, 40-47 pEcjIi 4-5 between lateral 

 line and ventral, 18-20 round caudal peduncle. Olive above, silvery 

 beneath ; young sometimes dark-spotted. 



Total length 220 millim. 



Algeria and Morocco. — Types in Paris Museum *. 



* I am indebted to Dr. Pellegrin for information concerning these specimens. 



