BARBUS. 



77 



chin; two barbels on each side, subequal, as long as eye. Dorsal III 8, 

 equally distant from eye and from root of caudal, border rather convex ; 

 last simple ray feebly enlarged, ossified, smooth, ± length of head. 

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

 not reaching ventral ; base of latter below middle of dorsal. Caudal 

 peduncle about 1^- times as long as deep. Scales longitudinally striated, 



Pig. 54. 



Barbus platyrhimis. 

 Type (Tr. Z. S. 1901). 



5£-6i 



40 -^r 3 , 3^ between lateral line and ventral, 16 round caudal peduncle. 

 Olive-brown above, golden yellow beneath. 



Total length 390 millim. 



Lake Tanganyika. 

 1. Type. Usambura. 



Prof. J. E. S. Moore (C). 



62. BARBUS NYASS.E. 

 Keillmek, Sitzb. Ges. naturf. Fr. Berl. 1908, p. 165. 



Depth of body 3^ to 4 times in total length, length of head 4^ times. 

 Snout pointed, prominent, 2| times in length of head ; eye 4 times in 

 length of head, interorbital width 2^ times ; mouth inferior, transverse, 

 its width 2f times in length of head; lower jaw with a sharp edge; 

 lips feebly developed, lower restricted to the sides ; two barbels on each 

 side, posterior a little longer than anterior and not quite \ diameter of 

 eye. Dorsal IV 9, border concave ; last simple ray strong, bony, not 

 serrated, nearly as long as head. Anal 111 5, not quite reaching caudal. 

 Pectoral f length of head. Ventral below middle of dorsal. Caudal 



6- 



peduncle If times as long as deep. Scales 36-40 gf, 4 between lateral 

 line and ventral. 



Total length 118 millim. 



Lake Nyassa.— Type in Berlin Museum. 



