CONTENTS 



Introduction p"ge 2 39 



Acknowledgements 2 4° 



Material 2 4 J 



Size Range 2 4 J 



External Characters : 2 43 



Proportional measurements 2 43 



Colour 2 43 



Dorsal fin and posterior dorsal humps 2 4° 



Throat grooves 2 47 



Teeth 2 49 



Parasites 2 5 2 



External 2 5 2 



Internal 2 54 



Disease, Deformity and Injury 2 54 



Food 2 5° 



Squid 256 



Fish 2 59 



Other organisms 2DI 



Abundance of food 2 6i 



Breeding and Life Cycle 262 



Sexual maturity 202 



Breeding 2o6 



Male sexual cycle 2 7 J 



Female sexual cycle 2 74 



Growth and age 2 7° 



Schooling 2 77 



Sex Ratio 2 8o 



Distribution and Seasonal Movements 282 



Local distribution 282 



Seasonal changes 282 



Migrations 2 ^5 



Racial Identity of the Stock 2 86 



Condition of the Stock under Whaling 289 



The effect of whaling 289 



Conservation 2 9 x 



Summary 292 



References 2 94 



Plates I, II following page 298 



