BAEBUS. 



83 



developed, widely interrupted on the chin ; two barbels on each side, 

 anterior ^ to § , posterior f to f diameter of eye ; males with small 

 pearl-like tubercles on the head. Dorsal III-1V 8-9, equally distant 

 from occiput and from root of caudal, upper border straight or slightly 

 concave ; last simple ray moderately strong, bony, not serrated, § length 

 of head. Anal II 6, not quite reaching caudal. Pectoral a little 

 shorter than head, not reaching ventral ; base of latter below anterior 

 rays of dorsal. Caudal peduncle 1J times as long as deep. Scales 

 longitudinally striated, 32-35 4^31. 2-|-3 between lateral line and 

 ventral, 16 round caudal peduncle. Brownish above, silvery white 

 beneath ; a dark streak above the lateral line, from head to root of 

 caudal. 



Total length 125 millim. 



Morocco. 

 1-7. Types. 



Oum Erbiah, near Mazagan. 



Mr. F. W. Riggenbach (C). 



69. BARBUS ROTHSCHILDI. 

 Gunth. Nov. Zool. viii. 1901, p. 368, pi. xviii. fig. B, and ix. 1902, p. 448. 



Depth of body 3h to 4^ ttmes in total length, length of head 4 to 5 

 times. Snout rounded, its length equal to that of eye, which is 3| to 

 3| times in length of head ; interorbital width 2| to 2\ times in length 

 of head ; mouth inferior, transverse, crescentic, with obtuse lower edge ; 



Yin. 61. 



Barbus rothschildi. 

 Type, after Giinther (I. c). f. 



lips feebly developed, widely interrupted on the chin ; two barbels on 

 each side, anterior \ to f , posterior f to 1 diameter of eye. Dorsal 

 III-1V 8-9, equally distant from eye or occiput and from root of caudal, 



g2 



