xviii CONTENTS. 



PAGE 



1. Change in reaction and its causes 359 



2. Changes in the proportion of water 364 



3. Changes in the water and alcohol extractives . . . 364 



4. Changes in the proteids 364 



5. Changes in the amount of Creatin ..... 364 



6. Changes in the proportion of glycogen and sugar . . . 365 



7. Changes in the amount of fat and volatile fatty acids . . 365 



8. Oxidizing and reducing properties of Muscle during rest 



and tetanus 365 



B. Changes in the chemical composition of the medium surrounding 



Muscle 365 



a. When Muscle is exposed to the air ..... 365 



/3. When Muscle is still in the body 373 



Changes of the medium surrounding muscle as shewn on analysis of 



the blood of Muscle 375 



Changes in the medium surrounding Muscle as shewn in the analyses 



of the general excreta of the body 381 



THE CHEMICAL CHANGES OF LIVING MUSCLE WHEN AT BEST . . 401 



SECT. 4. FATIGUE, EXHAUSTION AND KEVIVAL 404 



SECT. 5. THE THEORY OF MUSCULAR ACTIVITY . . . . . . 406 



CHAPTER X. 

 THE NEBVOUS TISSUES. 



SECT. 1, INTRODUCTORY 420 



Nerve-cells 420 



Nerve-fibres 421 



SECT. 2. THE PROTEIDS FOUND IN THE NERVOUS TISSUES .... 423 



SECT. 3. NEUROKERATIN AND NUCLEIN . . 423 



SECT. 4. THE PHOSPHORIZED CONSTITUENTS FOUND IN NERVOUS TISSUES . 425 



Protagon 425 



Lecithin 430 



Description of some of the products of decomposition of lecithin 



and protagon . 433 



Phosphorized principles other than protagon and lecithin . . 437 

 SECT. 5. NON -PHOSPHORIZED NITROGENOUS BODIES OF UNKNOWN CONSTI- 

 TUTION . . . . 439 



Cerebrin? orCerebrins? .' 439 



SECT. 6. CHOLESTERIN ..'.." 442 



SECT. 7. EXTRACTIVE MATTER COMMON TO THE NERVOUS AND OTHER TISSUES 444 



SECT. 8. THE INORGANIC CONSTITUENTS OF THE NERVOUS TISSUES . . 445 

 SECT. 9. GENERAL SUMMARY SHEWING THE RESULTS OF QUANTITATIVE ANALYSES 



OF BRAIN, SPINAL CORD, AND NERVES 445 



SECT. 10. THE CHEMICAL PROCESSES CONNECTED WITH THE ACTIVITY AND 



DEATH OF THE NERVOUS TISSUES . . . 446 



