EXPLANATION OF THE FIGUEES OPPOSITE. 



Fig. 1. 

 Shoics the left side of the fish {magnified 120 diameters). 



A. The heart. 



B. JMaiu trunk artery. 



C. Large vein. 



D. Oil globules, only two of which are introduced, for the 



sake of" distinctness. 



Fig. 2. 



Showing the right side of the fish. 



a. The heart. 



/;. Main trunk artery. 



c. The liver. 



d. Oil globules. 



e. Large vein from liver to heart. 



/. Branch from main artery to hver. 



Fig. 3. — Salmon Egg. 



Fig. 4. — Young Salmon hatching out. 



Note. — The bag attached to the fish contains the nourishment, 

 "which is gradually absorbed into the body. As the fish gets 

 larger the bag gets smaller, and the fish does not feed till the bag 

 is quite gone, which is about six weeks or two months after it is 

 horn. 



