(^J 



Fig'. 19. — DiagTam contrasting outlines of tail (_)f a Tweed " 



of a Loch Lomond Sea-trout. 



(i) Tail of Tweed "bull trout" (7^- lb.). 

 (2) Tail of Locli Lomond sea-trout (35 lb.). 



Hull Trout " and 



See page 63. 



