The Salmon 



thing happened when a part was cut from the centre of the tail. 

 After a good deal of experimenting I came to the conclusion that the 



c 



CJ 

 



'5 



<L> 



<u 

 C/3 



ts! 

 C 



o 



ON 



tf 



rt 

 U 



o 



E 



rt 



^ 



- 



O 



ON 



o 

 5 



O 



best way to mark them was by inserting a wire through the thick part 

 in front of the dorsal fin. I obtained fine silver wire and cut it into 



