CONTENTS 



Introduction page 415 



Material and methods 418 



Observations in the Scotia Sea and South Georgia area 421 



Observations in the South Atlantic Ocean 426 



Observations in the Southern Indian Ocean and south of Australia . . . 427 



Observations south of the Tasman Sea, and in the South Pacific Ocean . . 428 



General biology 435 



Reproduction 436 



Seasonal variation in abundance 437 



Measurement investigations 438 



Phytoplankton communities in which Rh/zosoletiia curvata is usually found 440 



Conclusions aa T 



References 44c 



Plate XIV following page 446 



