CONTENTS 



page 

 FOREWORD xi 



BIBLIOGRAPHY OF HENRY BRYANT BIGELOW xviii 



Michael Graham: Effect of trawling on animals of the sea bed I 



A. C. Hardy: A further example of the patchiness of plankton distribution 7 



Mary Alys Plunkett and Norris W. Rakestraw: Dissolved organic matter 



in the sea - 12 



Selman a. Waksman: Marine bacteria: recollections and problems 15 



Thomas G. Thompson and Tsaihwa J. Chow : The strontium-calcium atom 

 ratio in carbonate-secreting marine organisms 20 



Jean Brouardel and Louis Fage: Variation, en mer, de la teneur en oxygene 

 dissous au proche voisinage des sediments 40 



Fred B Phleger: Foraminiferal faunas in cores offshore from the Mississippi 

 Delta 45 



Pamela G. Jenkins: Seasonal changes in the phytoplankton as indicated by 

 spectrophotometric chlorophyll estimations 1952-53 58 



H. B. Hachey: Water replacements and their significance to a fishery 68 



Daniel and Mary Merriman: Sir C. Wyville Thomson's correspondence on 



the " Challenger " fishes 74 



Dean F. Bumpus and E. Lowe Pierce: Hydrography and the distribution o^ 

 chaetognaths over the continental shelf off North Carolina 92 



S. M. Marshall and A. P. Orr: Experimental feeding of the copepod 

 Ca/fl«w.sy7/;mfl/-c/7/rw5 (Gunner) on phytoplankton cultures labelled with radio- 

 active carbon (^^C) ' •*-' 



Alfred C. Redfield: The hydrography of the Gulf of Venezuela 115 



H. Boschma: The specific characters of the coral Stylaster roseus 134 



vii 



