CONTENTS 



CHAPTER VI 



PAGE 



ELECTROMOTIVE ACTION IN VEGETABLE CELLS . 1 



BIBLIOGRAPHY ........ 31 



CHAPTER VII 



STRUCTURE AND ORGANISATION OF NERVE . . 33 



THE AXIS-CYLINDER ..... .46 



CHAPTER VIII 

 CONDUCTIVITY AND EXCITABILITY OF NERVE . 52 



1. PHENOMENA IN NERVE-FIBRES . . . . . .52 



2. PHENOMENA IN FIBRES ASSOCIATED WITH NERVE -CELLS (REFLEX 



ACTIVITY) . . . . ... .66 



3. INFLUENCE OF VARIOUS CONDITIONS UPON EXCITABILITY OF NERVE . 76 



4. EXCITABILITY IN DIFFERENT NERVES . . . . .96 



5. CHANGES PRODUCED IN NERVE BY ACTIVITY . . . 109 



BIBLIOGRAPHY . . . . .112 



CHAPTER IX 



ELECTRICAL EXCITATION OF NERVE . 116 



1. LAW OF EXCITATION BY ELECTRICAL CURRENTS (DU BOIS-REYMOND) . 116 



2. INFLUENCE OF DIRECTION UPON THE EXCITING EFFICIENCY OF CURRENTS . 132 



3. CHANGES IN EXCITABILITY AND CONDUCTIVITY PRODUCED BY THE 



PASSAGE OF A GALVANIC CURRENT (ELECTROTONUS) . . . 140 



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