551 



ZINGEL PERCH. 



Perca Zingel. P. olivaceo-jlavescens, elongata, supra fusco trans- 



versim fastiata, capite subacuminato-dilatato, maxilla supcriorc 



producta. 

 Olivaceo-flavescent elongated Perch, with transverse brown 



bands above, dilated and subacuminated head, and lengthened 



upper jaw. 

 Perca Zingel. Lin. Block. 



LENGTH twelve or fifteen inches : head flattened, 

 and when viewed from above, of a heart-shaped, or 

 rather triangular form , the sides bulging out very 

 considerably, and then sloping into the obtuse 

 point of the snout : eyes vertical, moderately di- 

 stant, and furnished with red or golden-orange irides : 

 scales middle-sized, hard and rough : tail slightly 

 divided, with obtuse lobes. Inhabits the Danube 

 and other rivers in Germany, and is in considerable 

 esteem as a food : deposits its spawn in March and 

 April : is tenacious of life, and may be easily trans- 

 ported to a considerable distance. 



ZINGELIN PERCH. 



Perca Asper. P. subolivacea, supra fusco trdnsversim fasciata, 

 capite dilatato-acuminato, pinna dorsali secunda radiis tredecim. 



Subolivaceous Perch, with transverse brown bands above, di- 

 lated and subacuminated head, and thirteen rays in the first 

 dorsal fin. 



Perca asper. Lin. Block. 



EXTREMELY allied to the Zingel in general ap- 

 pearance, so that it might at first view be supposed 



