XII. 



NATURAL HISTORY OF THE 

 GRAYLING. 



Family, Salmonidce. Genus, Thymallus. 



Thymallus Vulgaris. 



The Grayling. Ger: DerAsch. Fr: L'Ombre. Ital: T6nelo. 



Known to the Ancients as t^axxo;. 



Thymallus. Umbra ausonius. 



HREE peculiarities of this fish strike 

 the observer at once the triangular 

 pupil of the eye, the large beautiful 

 violet -coloured purple spotted dorsal 

 fin, and the two longitudinal orange-coloured 

 stripes, extending from each pectoral fin. 



Grayling inhabit the fresh waters of Central 

 and Northern Europe. There is a splendid 

 species inhabiting the River Mackenzie in North 

 America. Thymallus signifer. Back's Grayling, with 



