xii CONTENTS 



TAfiE 



87. Glucosides, tannin, and phenols 491 



88. Pigments 494 



89. Alkaloids, ptomaines, and other poisons 498 



90. Ethereal oils, resins, &c 5 



91. Enzymes ........... 5 O1 



92. External influences 5 IQ 



93. Self-regulation 5 '4 



CHAPTER IX 



RESPIRATION AND FERMENTATION 



94. Introductory 5 '8 



95. Aerobic respiration 5'9 



96. Products of aerobic respiration ......... $26 



97. Respiratory katabolism in anaerobes 530 



98. Sources of energy in anaerobes 53 2 



99. Intramolecular respiration 536 



100. Mechanism and causes of physiological combustion 539 



101. (continued} . . .543 



102. Relationship between aerobic and anaerobic respiration .... 546 



103. General view of certain fermentative activities 553 



104. Influence of the external conditions on respiration ...... 561 



105. Importance of respiration 566 



CHAPTER X 

 TRANSLOCATION 



1 06. Translocation of organic food substances 572 



107. ,, ash constituents 583 



108. Mechanism and causes of translocation 587 



109. Special examples 592 



INDEX 605 



