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Aspro vulgaris.Cuv. et VAL. 

 PLATE XV. 



Perca asper, Linnaeus, Bloch L'apron properment dit, 

 Cuv. et Valen. Hist. Nat. des Poissons, ii. p. 188. 



B.7; D. 8 1.12; A. 1.12; C. 17; P.U; V.1.5. 



THE little fish forming this genus is at once 

 distinguished by the lengthened form of the body, 

 and by the situation of the mouth, which is almost 

 placed under the snout or nose, that part being 

 rounded and projecting over it ; it is also remark- 

 able for the roughness of its scales, whence by 

 Rondoletius it was said to receive its name of 

 Asperus. It is found in the Rhone and its tribu- 

 taries, but is not known in the rivers on the west 

 of France. It is also said to be found in the 

 Danube, while other ichthyologists assert, that it 

 is to be met with in some of the Russian streams. 

 It seldom exceeds six or seven inches in length, 

 but is used at table, and is esteemed good and 

 delicate. By the fishermen of the Rhone, it is 



