EXTERNAL CHARACTERS OF FIN WHALES 



VARIATION OF MEASUREMENTS 



Fin males (S. Georgia), 20 to 22 m. Fin females (S. Georgia), 21 to 23 m. 



341 



i. Notch of flukes 



to posterior 



emargination of 



dorsal fin 



Range of 



values 



(% of total 



length) 



19-0- 

 19-5- 



20-0- 

 20-5- 

 2I-0- 

 21-5- 

 22-0- 

 22-5- 

 23-0- 



23-5- 

 24-0- 



24-5- 

 25-0 



25-5- 

 26-0 

 26-5 

 27-0 



27-5 

 28-0 

 28-5 



19-5 

 20-0 

 -20-5 

 -21-0 

 -21-5 

 -22-0 

 -22-5 

 -23-0 



-23-5 

 -24-0 



'24-5 

 -25-0 



-25-5 

 -26-0 

 -26-5 

 -27-0 



-27-5 

 -28-0 

 -28-5 

 -29-0 



Number 



of 

 readings 



? 



2 

 4 

 9 

 23 

 26 

 29 

 21 

 19 



I 



I 



8 



6 



15 



17 



20 



12 



9 



3 



9. Flukes, width at 

 insertion 



Range of 



values 



(% of total 



length) 



4-00-4-25 

 4-25-4-so 



4-50-475 



4-75-5-00 

 5-00-5-25 



5-2S-5-50 

 5-50-575 

 5-75-6-00 

 6-0O-6-25 



Number 



of 

 readings 



2 

 3 



23 

 51 

 60 

 22 



9 

 I 



I 



I 



7 

 22 



38 



36 



14 



5 



10. Notch of flukes 

 to anus 



Range of 



values 



(% of total 



length) 



22-5-23-0 



23-0-23-5 

 23-5-24-0 



24-0-24-5 

 24-.S-25-0 

 25-0-25-5 

 25-5-26-0 

 26-0-26-5 

 26-5-27-0 

 27-0-27-5 



27-S-28-0 



28-0-28-5 

 28-5-29-0 

 29-0-29-5 

 29-5-30-0 

 30-0-30-5 

 30-5-3 1 -o 



Number 



of 

 readings 



? 



Notch of flukes 

 to umbilicus 



I 

 2 



2 



13 

 12 



23 

 36 

 49 

 31 

 10 



5 

 2 

 I 



I 

 6 



9 



17 

 32 



31 

 20 



4 

 6 



Range of 



values 



(% of total 



length) 



39-40 

 40-41 

 41-42 

 42-43 



43-44 

 44-45 

 45-46 



46-47 

 47-48 

 48-49 

 49-50 



Number 



of 

 readings 



? 



5 



22 



46 



67 



26 



8 



I 



I 



27 

 32 

 36 



19 



2 



12. Notch of flukes 



to end of ventral 



grooves 



Range of 



values 



{"^ of total 



length) 



39-40 

 40-41 

 41-42 

 42-43 

 43-44 

 44-45 

 45-46 



46-47 

 47-48 



Number 



of 

 readings 



2 

 12 

 26 

 32 

 29 

 24 



6 



