EXTERNAL CHARACTERS OF BLUE WHALES 



305 



~i ' 1 ' r 



10 11 12 



?ERCENTAGE VALUE OF MEASUREMENT 





15 



10 



Fig. 39. Blue whales. Variations of measurement No. 17. Flipper, tip to anterior 



end of lower border. 



-r 



11 12 



PERCENTAGE VALUE OF MEASUREMENT 



Fig. 40. Blue whales. Variations of measurement No. 18. Flipper, length alons 



curve of lower border. 



Males. 



Females. 



