EXTERNAL CHARACTERS OF BLUE WHALES 



301 



3-3 40 4-5 



PERCENTAGE VALUE OF MEASUREMENT 



6-5 



Fig. 31. Blue whales. Variations of measurement No. 9. Flukes, width at insertion. 



-1 ' 1 ' 1 ■ 1 ■ 1 ' 1 ' 1 



23 20 



PERCENTAGE VALUE OF MEASUREMENT 



Fig. 32. Blue whales. Variations of measurement No. 10. Notch of flukes to anus. 

 Males. Females. 



