BARBTJS. 



91 



3^ times in length of head ; lower jaw with a blunt edge, covered by a 

 thin horny sheath ; lips feebly developed, lower confined to the sides ; 

 barbels two on each side, posterior slightly longer than anterior and 

 as long as eye. Dorsal IV 9, equally distant from centre of eye and 

 from caudal ■ last simple ray flexible, not enlarged, as long as head ; 

 border of fin concave. Anal III 5, not reaching caudal. Pectoral 

 slightly shorter than head, not reaching ventral ; latter below middle 



Fig. 69. 



TX 



Barbus johnstonii. 



Type. 



of dorsal. Caudal peduncle If times as long as deep. Scales longi- 

 tudinally striated, 34-38 -^r 1 , 2^-3 between lateral line and ventral, 

 12-14 round caudal peduncle. Silvery, darker on the back. 



Total length 230 millim. 



Lake Nyassa. 



1. Type. Between Kondowe and Karonga. Sir H. H. Johnston (P.). 



2. Ad. L. Nyassa. Oapt. E. L. Rhoades (P.). 



78. BARBUS ZAMBESENSIS. 



Labeobarbus zambezensis, Peters, Mon. Berl. Ac. 1852, p. 683, and Reise Mossamb. 



iv. p. 49, pi. x. fig. 2 (1868). 

 Barbus zambezensis, Giinth. Cat. Fish. vii. p. 105 (1868). 



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

 Snout about ^ length of head ; eye 4 times in length of head, equal to 

 interorbital width; mouth inferior; both lips much developed, each 

 more or less produced into a pointed median lobe ; two barbels on each 



