Cyprinidae 



23 



1. Carp, Cyprlntiti cariyio ; teeth inolanform, triserial, 1.1.3- 



3i.i.* 



2. Crucian Carp, Carassms carassius ; teeth compressed, 



uniserial, 4-4. 



3. Tench, Tinea iinca ; teeth wedge-shaped, uniserial, 5-4. 



4. Barhel, Barbus harbus ; teeth subconical, hooked, triserial, 



3.3-5-5-3-2. 



5. Chub, LeuciscHs cephaliis (fig. 14) ; teeth subconical, 

 hooked, biserial, 2.5-5.2. 



6. Eudd, Scardiniiis erijihroplitlKdmiia ; teeth compressed, 

 with pectinated (comb-like) edges, biserial, 3.5-5.3. 



7. Eoach, Buiilus rutilns ; teeth conical or sHghtly compressed, 

 not pectinated, uniserial, 5-6. 



8. Bream, Abrmnis bnoiKi ; teeth compressed, notched, uni- 

 serial, 5-5. 



Enlarged photographs of the scales of Cyprinidae (Eoach, 

 Gudgeon, Barbel, Chuli ;ind Tench) and of some other British 





Fig. 15. — Scale op Rudd. 



* The formula 1.1.3-3.1.1 indicates that on each side there is one tooth in 

 the outer series, one in the next, and three in the inner series. The number 

 of teeth is not always the same on both sides ; 5-4 (Tench) means 5 on one 

 side and 4 on the other. 



