X CONTENTS 



CHAPTER XVI. 



EXAMPLES OF CHEMICAL CORRELATION. 



The Chemical Correlation of Respiratory Activities 365 



The Chemical Regulation of the Circulatory System 368 



The Chemical Correlation of the Processes of Digestion . . . . . .371 



The Chemical Correlation of the Organs of Generation 376 



The Chemical Regulation of Metabolism 381 



PART IV. 



THE CHEMICAL PROCESSES WHICH UNDERLIE AND 

 ACCOMPANY LIFE PHENOMENA. 



CHAPTER XVII. 



PROCESSES INFERRED FROM DIRECT OBSERVATION. 



The Intermediate Metabolism of the Carbohydrates: Muscular Contraction 391 



The Intermediate Metabolism of the Fats; Diabetes . . . . .. ' . . 399 



Oxidizing Enzymes 412 



Bioluminescence 414 



CHAPTER XVIII. 



PROCESSES INFERRED FROM INDIRECT OBSERVATION: THE ENERGY 

 TRANSFORMATIONS IN LIVING ORGANISMS. 



The Influence of Temperature upon Life Processes . 417 



The Influence of Light upon Life Processes 429 



The Storage of Potential Energy; the Photosynthesis of Carbohydrates . 434 

 The Conversion of Chemical into Mechanical Energy; the Chemical 



Mechanics of Muscular Contraction 438 



CHAPTER XIX. 



PROCESSES INFERRED FROM INDIRECT OBSERVATION: FERTILIZATION AND 

 EARLY DEVELOPMENT. 



The Substitution of Chemical Agencies for Normal Fertilization .... 446 



The Nature of the Agents which form Fertilization Membranes .... 450 



The Effect of Membrane-forming Agents upon the Egg 458 



The Relationship of Phospholipins to the Synthesis of Nuclear Material and 



the Effects of Lecithin upon Early Development 462 



The Chemical Mechanics of Cell Division 466 



Artificial Twin Formation and the Formation of Monstrosities 469 



