Chap. XII. 



FISHES. 



Lord^ believes, is permanent and best marked in tlie 

 older males whicli have previously ascended the rivers. 

 Iq these old males the jaws become developed into im- 

 mense hook-like projections, and the teeth grow into 



Fig. 27. 



Head of female salmon. 



regular fangs, often more than half an inch in length. 

 With the European sahnon, according to Mr. Lloyd,^ 



' ' The Naturalist in Vancouver'.-? Island,' vol. i. 186a, p. 54. 

 8 ' Scandinavian Adventures,' vol. i. 1854, p. 100, 104. 



