The Freshwater Fishes of South Africa. 



353 



depression in front of nostrils, and behind it a line of pearl-like 

 tubercules ; a patch of similar tubercles, disposed in two rows of 

 4 and 2, on point of snout, with a similar patch adjoining on each 

 side. 



Dorsal iii 9 ; equally distant from nostrils and from root of caudal, 

 border concave ; longest ray slightly longer than head. Anal iii 5 ; 

 not reaching caudal. Pectoral i length of head, not reaching 

 ventral ; base of latter below anterior rays of dorsal. Caudal deeply 

 forked, with acutely pointed lobes ; caudal peduncle H times as 



long as deep. Scales 35 i*|, 3^ between lateral line and ventral, 14 

 round caudal peduncle. 



Colour (of preserved specimen), olive-brown, darker above than 

 below : a yellowish patch on occiput and an orange blotch on throat 



FIG. 2-2.T,<ibeo parvnlus. 



and on lower opercular border. In life a darkish lateral streak is 

 said to be present. 



One specimen, 72 mm. in length, from Crocodile Eiver, Transvaal. 

 (A. T. Cooke.) It is said to grow to about twice the size. 



: 6. LABEO CONGORO, Peters. 



Peters, Mon. Berl. Ac., 1852, p. 683, and Eeise Mossamb., iv., 

 p. 45, pi. ix. (1868); Bouleng., Cat. Fresh. Fish. Africa, i., 

 p. 319 (1909). 



"Body strongly compressed, its depth 3 to 3f times in total 

 length. Head 4 to 4| times in total length in adult, 3 to 4 times 

 in young, its width f to f its length ; snout rounded, often more or 

 less swollen, f to length of head, at least as long as and often 

 longer than postocular part of head; eye nearly perfectly lateral, 

 4i to 7 times in length of head in adult, 3 to 4 times in young; 



26 



