424 



. Annals of the SoutJi African Museum. 



and equals interorbital width ; mouth inferior ; two barbels on each 

 side, posterior a little longer than anterior and about f diameter 

 of eye. 



Dorsal iii 8 ; equally distant from eye and from caudal, border 

 straight ; last simple ray not enlarged, not serrated, as long as head. 

 Anal iii 5; not reaching caudal. Pectoral a little shorter than head, 

 reaching ventral ; base of latter below anterior rays of dorsal. 

 Caudal peduncle about 1 times as long as deep. Scales radiately 

 striated, 26-27 , 2 between lateral line and ventral. 



*a 



Silvery, back green. 

 Total length 48 millim. 

 Eevugo River, Lower Zambesi." 



53. BARBUS LABIALIS, n. sp. 



Depth of body 3?- times in total length excluding caudal, length of 

 head 4 times. Snout 3i times in length of head, eye 41- times, inter- 

 orbital width 3i times ; mouth sub-inferior, 3| times in length of 

 head ; lips moderate, upper produced into a median lobe about i 

 diameter of eye in length. Two barbels on each side, anterior nearly 

 as long as eye, posterior li times diameter of eye. 



.^^^-^- _ 



__.IIBF 



^^m&^ 



FIG. 82. Barlus labialis. y. 



Dorsal iii 8 ; equally distant from nostrils and from root of caudal, 

 border feebly concave ; last simple ray not enlarged, not serrated, 

 nearly as long as head. Anal iii 5 ; not reaching caudal. Pectoral f 

 length of head, not reaching ventral ; base of latter below anterior 

 half of dorsal. Caudal peduncle 2| times as long as deep. Scales 



radiately striated, 35 p, 3^ between lateral line and ventral, 14 round 

 caudal peduncle. 



