THE CARP TRIBE 



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outer surface of the pharyngeal teeth. The numerous representatives of the white- 

 fish are distributed over the rivers of the North temperate zone, the New World 

 forms somewhat exceeding in numbers those of the Old. Among the European 

 representatives of the genus, the roach {Leuciscus rutilus}, shown in the right- 



GROUP OF WHITEFISH. 



Ide, Rudd, Roach, and Chub. 

 (One-sixth natural size.) 



hand middle figure of our illustration, agrees with several other species in having a 

 single series of pharyngeal teeth, at least ten rays in the anal fin, and the dorsal 

 nearly opposite the pelvic fins; its deep body being silvery, and the lower fins of 



the adult generally tinged with red. Its range is confined to Europe north of the 



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