CONTENTS 



CHAP. PAGE 



PREFACE Vii 



I INTRODUCTION I 



II THE PHOTOTROPHIC ASSIMILATION OF CARBON 1 7 



III THE CHEMOTROPHIC ASSIMILATION OF CARBON 48 



IV AUTOTROPHIC ASSIMILATION WITH SPECIAL REFER- 



ENCE TO NITROGEN METABOLISM 68 



V HETEROTROPHIC ASSIMILATION 84 



VI THE PRODUCTS OF METABOLISM 89 



VII GROWTH AND METABOLISM I06 



VIII SUMMARY AND CONCLUSIONS I30 

 REFERENCES 1 34 

 INDEX 145 



IX 



