460 
TUBE-BLABBERED GROUP\ 
series of pharyngeal teeth. This fish has a somewhat wider distribution than the 
last, extending southwards into Italy and eastwards into Asia; it is uniformly 
coloured, with greyish margins to the scales. To the same group of the genus 
belongs the dace ( L . vulgaris), with the same distribution as the roach, to which it 
presents a considerable external resemblance, although smaller and longer in form ; 
GROUP OP WHITE-FISH. 
Ide, Rudd, Roach, and Chub (J nat size). 
its sides being silvery, but the fins not tinged with red. Roach and dace are 
commonly found in company, and have identical habits. The fish shown in the 
upper figure of our illustration is confined to the central and northern countries of 
the Continent, where it is known as the ide ( L. idus), and is a uniformly-coloured 
species nearly allied to the last. It is of special interest on account of a golden- 
coloured domesticated variety bred in Germany, and known as the orfe. Another 
