EXTERNAL CHARACTERS OF BLUE WHALES 



287 



Fig, 



IS 20 25 



LENGTH OF WHALE IN METRES 



I. Male Blue whales. Measurement No. 3. 

 Tip of snout to blowhole. 



15 20 



LENGTH OF WHALE IN METRES 



Fig. 2. Female Blue whales. Measurement No. 3. 

 Tip of snout to blowhole. 



15 20 



LENGTH OF WHALE IN METRES 



Fig. 3. Male Blue whales. Measurement No. 4. 

 Tip of snout to angle of gape. 



South Georgia whales. 



15 20 25 



LENGTH OF WHALE IN METRES 



Fig. 4. Female Blue whales. Measurement No. 4. 

 Tip of snout to angle of gape. 



South African whales. 



