FISHERY BULLETIN: VOL. 85, NO. 3 



200 



< - 



I 



oj 160 - 



o 







RIGHT WHALES 



o. •■■o Norfh Pacific 

 • — • Elsewhere 



J L 



1810 1830 1850 1870 1890 1910 



YEAR 



FiGL'RE 1. — Mean oil yield per whale for right whales landed on U.S. voyages from 



1822 to 1910, 



160 - 



< - 



^ 5 120 



9o 



LU < 



^ > 



o 



-7 ^ 

 < 



80- 



40 







BOWHEAD WHALES 



^ Hudson's Bay, 

 Cumberland Inlet 



•Other grounds 



, oo -.^ 



1820 1840 1860 



YEAR 



1880 



1900 



Figure 2. — Mean oil yield per whale for bowhead whales landed on U.S. voyages 



from 1849 to 1901. 



406 



