Sea-Trout 



155 



as herling, whitling, Finnock, Lammasmen, etc. ; while in the smolt 

 stage it is called yellow-fin, orange-fin, black-fin, and silver-white. 

 In fact, almost every district has a different name for each of the 

 three stages. While much confusion is thus caused, it would be a 



FIG. 153. Salmon, showing number of scales from adipose fin to lateral line to be ten. 



very simple matter to call them sea-trout, in the grilse stage whitling, 

 and in the smolt stage yellow-fin (Fig. 155). 



The history of the sea-trout differs widely from that of the salmon ; 

 but I shall explain this later. It is often difficult to tell a parr of the 

 yellow -fin before its fin becomes yellow, although those who have 

 experience in dealing with them have no trouble whatever in dis- 



