15 A REUS. 



11: 



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 § to £■ 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, 

 44-47 pzyf, 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 types. Onsis of Nefzana. 



Marquis 0. Antinori (( '.) ; 

 Genoa Museum (P.). 



100. BARBUS NASUS. 

 Gunth. Ann. & Mao-. N. H. (4) xiii. 1871, p. 232, pi. xiv. fig. B, and Nov. Zool. 

 viii. 1901, p. 368, pi. xix. 



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

 times; mouth very narrow and inferior, its width 4J to 6 times in 



Fig. 90. 





Bai'bus nasus. 

 After Giintlier (Nov. Zool. 1901). i. 



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

 each side, anterior 1^ to 2 times diameter of eye, posterior If 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 f length of head. Anal III 5, not reaching 



VOL. II. I 



