108 



CYPEINID^E. 



95. BARBUS BISOARENSIS, sp. n. 

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

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

 Depth of body 4 to 4J times in total length, length of head 8-| to 4 

 times. Snout rounded, 3 times in length of head ; eye 4 (young) to 

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

 terminal or subinferior, its width 3f to 4 times in length of head ; lips 

 moderate, interrupted on chin ; barbels two on each side, subequal, 1^ 

 to li times diameter of eye (less in very young). Dorsal IV 8 (rarely 7), 

 equally distant from occiput and from root of caudal, or a little nearer 



Fig. 85. 



Barbus biscarensis. 

 Type, f 



former, border straight or slightly convex ; last simple ray very strong, 

 bony, strongly serrated, serrated portion \ to f- length of head. Anal 

 111 5, reaching or nearly reaching caudal. Pectoral f to f length of 

 head, not reaching ventral, base of latter below anterior half of dorsal. 

 Caudal peduncle 1^ to If times as long as deep. Scales radiately 

 striated, 48-51 ^r iu f , 5|— 7 between lateral line and ventral, 20-22 

 round caudal peduncle. Brownish or greyish above, whitish beneath. 

 Total length 150 millim. 





Algeria. 









1. 



Ad. 







Algeria. 





2- 



-4. Hgr. 



& 



yg- 



Biskra. 



Paiis Museum (E.). 



5. 



Yg- 







Ain Drohe, near Biskra. 



Lord Walsingham (P.). 



6. 



Yg- 







Wed Biskra. 



11. Gurney, Esq. (P.). 



7. 



Yg. 







Pool of Ifedil, Algerian Sahara. 



Capt. Cottier (C.) ; 

 Paris Museum ( E.). 



