BABBITS. 



127 



subinferior, its width 3§ times in length of head ; lips feebly developed ; 

 two barbels on each side, anterior a little shorter, posterior a little 

 longer than eye. Dorsal III 7, a little nearer occiput than root of 

 caudal, border feebly concave ; last simple ray very strong, bony, 

 strongly serrated, a little longer than head. Anal III 5, not reaching 

 caudal. Pectoral a little shorter than head, nearly reaching ventral ; 

 base of latter entirely in advance of dorsal. Caudal peduncle If times 

 as long as deep. Scales 28-29 % 2|-3 between lateral line and ventral, 



Fig. 104. 



Barbus ansorgii. 

 Type. ' 



12-13 round caudal peduncle. Brownish above, silvery white beneath, 

 with an ill-defined dark lateral band above the lateral line ; fins 

 uniform whitish. 



Total length 70 millim. 



Angola. 

 1-2. Types. Luache R. at Bange Ngola. Dr. W. J. Ansorge (C). 



116. BARBUS TETRASPILUS. 

 Pfeff. Thienv. 0.-Afr., Fische, p. 59 (1896). 



Depth of body a little greater than length of head, which is about 

 3^ times in total length. Snout shorter than eye, which is 3 to 3| 

 times in length of head; interorbital width about 3 times in length of 

 head ; two barbels on each side, posterior longer than eye. Dorsal III 7; 

 last simple ray rather feeble, slender, serrated. Anal III 5. Pectoral 

 not quite reaching ventral; base of latter partly in advance of dorsal. 

 Caudal peduncle little longer than deep. Scales radiately striated, 

 31 jl, 2 \ between lateral line and ventral. Brown above, golden yellow 

 beneath ; four large round black spots on each side, the first above the 



