XII. 



NATURAL HISTORY OF THE 

 GRAYLING. 



Family, Salmonidse. Genus, Thymallus. 



Thymallus Vulgaris. 



The Grayling. Ger: DerAsch. Fr: UOmbre. Ital: Tdmelo, 



Known to the Ancients as ©v/xaxxog. 



Thymallus. Umbra ausonius. 



HREE peculiarities of this fish strike 

 the observer at once — the triangular 

 pupil of the eye, the large beautiful 

 violet-coloured pifrple 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. Thymalhis signifeVy Back's Grayling, with 



