36 CONTENTS 



Intimate structure of the swarms P<^S^ 245 



Sex ratio ^45 



Relative size of the sexes 248 



Developmental condition of the sexes 250 



Growth AS INDIVIDUALS AND SWARMS . . • • • •251 



As individuals .... 251 



As swarms 252 



Moulting 256 



Reaction of larvae, adolescents and adults to ship and nets . . 258 



Powers of the individuals to evade 258 



Capacity to act in unison 202 



Scattering of swarms by the ship 264 



General inferences to be drawn 265 



Vertical distribution and migration reconsidered .... 268 



Corrections applied to the catch-figures 278 



Horizontal distribution, growth and dynamics of dispersal . . 284 



Introduction and plan of presentation 284 



The eggs and larvae from the vertical samples 289 



The eggs 289 



The deep living NaupUi, Metanauplii and First Calyptopes . . 298 



The shallow living First, Second and Third Calyptopes . . .308 

 The shallow living First, Second and Third Furcilias . . . .323 

 The shallow living Fourth, Fifth and Sixth Furcilias . . . .331 



Total eggs and larvae and total surface larvae 342 



Gross distribution of total eggs and larvae 349 



Growth and dispersal in the surface drift 340 



The larvae, adolescents and adults from the oblique and horizontal samples 358 

 The massed surface larvae .....■••• 35° 



The small whale food 374 



The staple whale food 384 



Gross distribution of total euphausian surface population . . . 4°8 



Distribution of surface discoloration and its relationship to the gross 



distribution of the surface population 412 



The larval populating of the east wind-weddell surface stream as an 



ANNUAL event 4^2 



Local distribution. The SOUTH GEORGIA WHALING grounds . • .413 



The COASTAL topography of ANTARCTICA AND ITS INFLUENCE ON THE 



DEPLETION AND CONSERVATION OF THE SURFACE POPULATION . . -423 



euphausia superb a and e. triacantha 424 



The feeding migrations of the baleen whales. Their possible origin 



and history 42° 



Review of dynamics of distributional control 429 



Summary 435 



Appendix. Tables 62-4 442 



References 444 



Plate III follomng page ^6^ 



EDITOR'S NOTE 

 This report is a comprehensive study of an important organism 

 in relation to its environment and the treatment and interpretation 

 of the data are those of the author. 



