FISHERY BULLETIN: VOL. 85, NO. 3 



= 2 500 



LU 



o 



< 



>- 



o 



> 



m2 000 



< 



X 



- BOWHEAD 

 WHALES 



o Hudson's Bay, 

 Cumberland Inlet 



• Other grounds 



1500 



LU 

 Q. 



Q 



I 



Z 1000 



o 



CO 



LU 

 < 



X 



Z 500 

 < 



o 



o 



o 



A - 







i 



o 

 J L 



J I I L 



? 



1810 1830 1850 1870 



YEAR 



1890 1910 



FlCiURE 6. — Mean whalebone yield per whale for bowhead whales landed on 

 U.S. voyages from 1849 to 1902 (A = assumption A, B = assumption Bi. 



LU 



a. 



250 



< 



X 



a: 



LU 



°" ^200 



> 



Z 



o 



CO 



UJ 



< 



X 



Z 

 < 



oioo 



50 







HUMPBACK 

 WHALES 



B - 



■^l»4-. 



1810 1830 1850 1870 



YEAR 



1890 



1910 



Figure 7. — Mean whalebone yield per whale for humpback whales landed on 

 U.S. voyages from 1853 to 1887 (A = assumption A, B = assumption B). 



410 



