CONTENTS. XI 



CHAPTER X. 



PAGE 



CHANGE IN FORM IN A MUSCLE WHEN IT CONTRACTS . . . 112 



Instruments used . .112 



Simple Muscle Curve .... 122 



The Muscle- Wave 125 



Effect of two Successive Stimuli 126 



Effect of more than two Stimuli 127 



Tetanus , . , . . . 128 



Voluntary Tetanus '...'. 128 



CHAPTER XL 



EXTENSIBILITY, ELASTICITY, AND WORK OF MUSCLE . . .131 



CHAPTER XII. 



THE ELECTRICAL PHENOMENA OF MUSCLE . . . . ". . 139 



CHAPTER XIII. 



THERMAL AND CHEMICAL CHANGES IN MUSCLE ., \ ., . . 153 



CHAPTER XIV. 



COMPARISON OF VOLUNTARY AND INVOLUNTARY MUSCLE . . . 161 



CHAPTER *XV. 



PHYSIOLOGY OF NEBVB 163 



Classification of Nerves 163 



Investigation of Nerve-Functions . 166 



Degeneration of Nerve 167 



Roots of the Spinal Nerves 169 



Changes in Nerve during activity . . . .'."'... 172 



Nerve Impulses 173 



Chemistry of Nerve . >*.. . . 7 ; . . 174 



CHAPTER XVI. 



ELECTROTONUS . . ... . . . . . . 175 



