su 



CVrKlXID.E. 



ABDOMINAL 

 MALACOPTERYGII. 



cyi'Rimd/t: 



THE IDE. 



Leuciscus idus, Cuvieh, Regne An. t. ii. p. 275. 



,, ,, .If.nyns, Syst. Cat. p. 26. 



Cyprimis ,, Linn*us. Bloch, pt. i. pi. 36. 



Generic Characters. — The anal fin short, as well as the dorsal, but without 

 strong rays at the commencement of either ; no barbules at the mouth. 



The species of the first section of this sub-genus, instituted by Klein, have the 

 dorsal fin over the ventral fins. 



AccoKDiNG to Mr. Stewart, tliis species was taken at 

 the moiitli of the Nitli by the Late Dr. Walker ; and a figure 

 from Meidinger"'s plate, which Cuvier considers a better re- 

 presentation than that in Bloch's work, is introduced here, 

 with a short description to assist in identifying this species 

 at any future time. 



Bloch says this fish is distinguished by the bulky character 

 of the body, and by the anal fin having thirteen rays. It 

 was first described by Gesner, and is found in Pomerania, 

 Westphalia, Sweden, Norway, Denmark, and Russia. It is 

 an inhabitant of large rocky lakes, from which it seeks its 



