44 THE ANGLER-NATUEALIST. 



several fish, the first of such names indicates in each case 

 the Genus to which the species belongs, as Perca, the 

 Perch genus, Acerina, the Ruffe genus, Cyprinus, the 

 Carp genus, &c. 



CLASSIFICATION OF BRITISH FRESH- WATER FISH. 



1st Series. TRUE, OR BONY, FISH. 



Order I. SPINY-FINNED FISH* 

 Family 1. Perches PEBCID^E. 



Perch. (Perca fluviatilis.} 



Ruffe, or Pope. {Acerina vulgaris.} 



Family 2. FISH WITH HARD CHEEKS. 

 Species. 



Bullhead, or Miller's Thumb. (CoUus gobio.} 

 Rough-tailed Stickleback. (Gasterosteus trachurus.) 

 Half-armed Stickleback. (Gasterosteus semiarmatus.') 

 Smooth-tailed Stickleback. (Gasterosteus leiurus.) 

 Short-spined Stickleback. (Gasterosteus brachycentrus.) 

 Four-spined Stickleback. (Gasterosteus spinulosus.} 

 Ten-spined Stickleback. (Gasterosteus pungitius.) 



Order II. SOFT-FINNED FISH with ventral fins on the bellyt. 

 Family 1. Carps CYPRINID^:. 

 Species. 



Common Carp. (Cyprinus carpio.} 

 Crucian, or German, Carp. ( Cyprinus carassiusJ) 

 Prussian, or Gibel, Carp. (Cyp-inus yibelio.) 

 Gold Carp. (Cyprinus auratus.) 

 Barbel. (Barbus vulgaris.) 

 Gudgeon. ( Gobiofluviatilis.) 



* Acanthopterygii (see p. 36). 



t Malacopterygii abdominales (see p. 37). 



