BAEBUS. 



113 



of caudal than occiput, border slightly convex ; last simple ray mode- 

 rately strong, bony, strongly serrated, serrated part f to f length of head. 

 Anal III 5, reaching caudal. Pectoral J to f length of head, not 

 reaching ventral ; base of latter partly in advance of dorsal. Caudal 

 peduncle 1^ to 1^ times as long as deep. Scales radiately striated, 



ITl 01 



44-47 gfiyi, 5-6 between lateral line and ventral, 18-20 round caudal 

 peduncle. Brownish above, whitish beneath. 



Total length 215 millim. 



Tunisia. — Types in Genoa Museum. 



1. One o£ the typos. Oasis of Ncfzana. Marquis 0. Antinori (C^) ; 



Genoa Museum (P.). 



100. BARBUS NASUS. 

 Gunth. Ann. & Mag. N. H. (4) xiii. 187-1, p. 232, pL xiv. fig. B, and Nov. Zool. 

 viii. 1901, p. 3(i8, pi. xix. 



Depth of body 4 to 5 times in total length, length of head 3f to 

 4| times. Snout narrow, pointed, 2^ to 2^ times in length of head; 

 eye 4 (young) to 6 times in length of head, interorbital width 3| to 4| 

 times ; mouth very narrow and inferior, its v.idth 4^ to 6 times in 



riK. 90. 



Barhus nasus. 

 After Guather (Nov. Zuol. 1001). J. 



length of head ; lips thick, not extending across chin ; barbels two on 

 each side, anterior 1^ to 2 times diameter of eye, posterior 1§ to 2^ 

 times. Dorsal IV 7-8, equally distant from eye and from root of 

 caudal, border concave ; last simple ray very strong, bony, strongly 

 serrated, serrated portion f to | length of head. Anal III 5, not reaching 



