276 



DISCOVERY REPORTS 



ANTARCTIC 



AVERAGE LENGTH [FT] 

 OCT NOV DEC JAN FEB MAR APR 



PERCENTAGE IMMATURE 

 OCT NOV DEC JAN FEB MAR APR 



BSz 



UJ 



3 75, 



00 70- 



65- 



75-. 



70-; 



60-. 



80 

 60 

 40- 

 20 



55- 



u45t 

 £40i 

 1 35 i 



ZL - 



30- 



80 

 60 

 40 

 20 



80 

 60 

 40 

 20 



85- 



3 75-: 

 ^70- 

 B5 1 

 75- 



70-: 



go-: 

 55- 



0CTNOVDECJANFEBMAR APR 



SOUTH GEORGIA 



AVERAGE LENGTH [FTj PERCENTAGE IMMATURE 



OCTNOVDECJANFEBMAR APR 

 I I I I I I I 



80- 

 60- 

 40- 

 20- 



80- 

 60- 

 40- 

 20- 



MALES 



FEMALES 



Fig. 9. Monthly changes in average length and percentage immature. Note that the vertical scale of the 

 curves of average length covers a relatively small part of the total length. 



