100 



THE FRESH-WATER FISHES OF EUROPE 



C. hungaricus of Heckel, and C. regina of Bonaparte. As these varieties 



differ conspicuously in form of the body, we offer a brief description of each. 



The variety Cyprinus acnminatus (Fig. 33) is especially characteristic of 



the Valley of the Danube, where it is more common than C 1 . carpio. It 



Fig. 33. CYPRINUS ACTMIXATU8 (HECKEL). 



is distinguished by having a more pointed head, with the profile rising 

 more sharply to the back. The body is two and a half to two and three- 

 quarter times as long as high, and the breadth in the opercular region is 



Fig. 34. CYPRINUS HUNGARICUS (HECKEL). (YOUNG INDIVIDUAL.) 



more than half the length of the head, but much less than half the height 

 of the body. The forehead is smaller than in the type already described. 



The gape of the mouth is more inclined, and rather wider ; the upper 

 fleshy lip projects somewhat beyond the lower lip. The barbels of the upper 

 jaw are only half as long as the true barbels, which reach as far as the orbit 

 of the eye when laid back. 



