io 



O 



Pi(^^,. 35g._.The early development of the salmon. 



The fertilised egg ; 2, the egg just before hatching ; 3, the nevyly 

 hatched alevin ; 4 and 5, the larval salmon nourished from yolk- 

 sac (y.s.) which is diminishing while the fish is increasing in size 

 6, the salmon frv with yolk absorbed (about six weeks old). T^hf 

 small figures to the right indicate the actual sizes. 



40 



The 



