AGE EVIDENCE FROM CORPORA LUTEA 



415 



"^ / ^ 



o 0-0 



1924-5 



5- 



Ax/^ 



o 00 



1925-6 



\>O-0 D CJ 



1926-7 



5- 



V 



00-0 o 



1927-8 



<: 



S 10- 



H 



D 



< . 

 « a' 

 O 



« 

 o 

 u 



Lb 



o 



C/5 20- 



X 

 u 



03 



Z 



b 



o 10- 



o 

 z 



c 



« 



1928-9 



•« • 



1929-30 



r 



5 10 1.5 20 25 



NUMBER OF CORPORA LUTEA 



35 



-f- 

 40 



— I— 

 45 



-t- 

 30 



-I— 

 55 



Fig. 4. Fin whales, females: Frequency of numbers of corpora lutea for six seasons at South Georgia. 



