EXTERNAL CHARACTERS OF BLUE WHALES 



289 



1 1 1 r 



15 20 25 



LENGTH OF WHALE IN METRES 



Fig. 9. Male Blue whales. Measurement 

 No. 20. Severed head, condyle to tip. 



"1 r- 



15 20 25 



LENGTH OF WHALE IN METRES 



Fig. 10. Female Blue whales. Measurement 

 No. 20. Severed head, condyle to tip. 



15 



20 



25 



LENGTH OF WHALE IN METRES 



II. Male Blue whales. Measurement No. 8. 

 Notch of flukes to posterior emargination of 

 dorsal fin. 



Fig. 



15 20 25 



LENGTH OF WHALE IN METRES 



South Georgia whales. 



Fig. 12. Female Blue whales. Measurement No. 8. 

 Notch of flukes to posterior emargination of 

 dorsal fin. 



South African whales. 



