\N or 



r^- ■ , 



CONTENTS \^^'^' 



STATION LIST, 1931-1933 (published 31st January, 1941) 



Introduction P'^S^ 2 



References 4 



R.R.S. 'Discovery 11 ', Stations 701-1 184 6 



Summarized List of Stations 226 



Plates I-IV following page 226 



A RARE PORPOISE OF THE SOUTH ATLANTIC, PHOCAENA DIOPTRICA 

 (LAHILLE, 1912) (published 3rd March, 1941) 



By J. E. Hamilton, D.Sc. 



THE ECHIURIDAE, SIPUNCULIDAE AND PRIAPULIDAE COLLECTED BY THE 

 SHIPS OF THE DISCOVERY COMMITTEE DURING THE YEARS 1926 to 1937 

 (published loth November, 1941) 



By A. C. Stephen, D.Sc. 



page 237 



238 



238 



taken at each 238 



243 



Introduction . 



Acknowledgements 



List of the Species taken 



List of Stations with the Names of Species 



Bipolar Distribution 



Echiuridae 



SiPUNCULIDAE . 



Priapulidae 

 Literature cited 

 Plates VII, VIII 



245 

 250 



257 



259 

 following page 260 



PHYTOPLANKTON PERIODICITY IN ANTARCTIC SURFACE WATERS (published 

 29th October, 1942) 



By T, John Hart, D.Sc. 



Introduction page 263 



Discussion of the Methods employed in relation to Recent Advances in Phytoplankton 



Technique 



Division of the Antarctic Zone into Biogeographical Regions and Areas , 



276 

 279 



_ f 



