The Freshioater Fishes of South Africa. 437 



Dorsal ii 7 ; its origin slightly in advance of that of the anal ; its dis- 

 tance from end of snout is from 2 to 2J times its distance from caudal ; 

 1st branched ray longest, ~ to nearly as long as head. Anal ii. 12-13. 

 Pectoral pointed, about us long as head, reaching or scarcely reach- 

 ing ventral. Caudal deeply forked ; caudal peduncle 2 to 2i- times as 



FIG. 94. Eniiruulicypris brevianalis. 

 10- 



long as deep. Scale 52-55 ^r, 1 between lateral line and ventral, 

 16 round caudal peduncle. 



Colour (of preserved specimens), yellowish, with a silvery lateral 

 band. 



Seven specimens, ranging from 38-50 mm. in length, from Dwaars 

 River, Transvaal. 



It is also reported from Zululand. 



FAMILY 



Synopsis of Genera. 



. Dorsal and anal fins very long, without spine; 

 gill-membranes free from isthmus. 



A. Dorsal fin single, formed entirely of articulated rays 



Sides of head protected by bony shields 1. Clfirinx. 



B. Dorsal fin divided into two, the posterior portion adipose. 



Sides of head protected by bony shields ; adipose fin 

 large and supported by bony rays (the produced neural 

 spines) 2. Hetc rob ranch us. 



2. PLOTOSIN.E. A short dorsal fin in front, with a pungent 

 spine ; a second dorsal and a long anal, united with 



the caudal ; gill-membranes free from isthmus 3. Plotuxux. 



3. SILURIN/E. Dorsal fin very short or absent ; adipose dorsal 

 fin very small ; anal fin much elongate ; gill-membranes 

 free from isthmus. 



Adipose fin present 4. Eutropius. 



Adipose fin absent 5. Schilbe. 



