Oils from Marine Mammals. 



203 



876,000. In the last quarter of a century the total number 

 received has been nearly 23,000,000, thus summarized in 

 periods of nine years ending 



1848 



1857 

 1866 



1875 



4,884,775 

 6,429,820 

 4,763,132 

 6,744,447 



22,822,174 



FIG. 12. 



Phoca oceanica. 



The fur seal-skin of commerce is obtained from different 

 animals to those of the hair seals. One association, the 

 Alaska Company, contributes 100,000 of these skins a year, 

 having a monopoly by a contract with the American 

 Government. 



