156 LAKES AND RIVERS. 



good for the table. It seldom weighs more than 

 .2 Ib. "It is remarkable for the height of the 

 first dorsal fin, which is crossed with square dusky 

 spots ; the head and back are dusky-brown, the sides 

 of the body of a light yellowish-brown, with golden- 



THE GRAYLING. 



.green and blue reflections, and about fifteen longitu- 

 dinal lines with scattered black spots. The head is 

 small and the scales large. It varies from 9 to 14 

 inches in length." 



When freshly taken from the water it has a pleasant 

 aromatic smell, owing probably to the water-thyme 

 .and other sweet-smelling plants it feeds upon. 



THE GWYNIAD. 



In some of the lakes of Ireland a fish of this family 

 .called the Pollan (Coregonus follan) is abundant, 



