CONTENTS 
PAGE 
Preface . . . . . . 213 
Historical Section . . . . . 215 
Note on the Physical Theory of Nerve Function . . 225 
The Detailed Examination of the Phenomenon . . . 229 
Changes in the Phenomenon Produced by the Conditions of an 
Experiment ..... 246 
Measurements of the Electrical Conductivity of Nerve . . 258 
The Physical Structure of the Nerve . . . 266 
Effect on the Phenomenon Produced by an Immersion of the Nerve 
in Water . . . . . 273 
Also upon the Phenomenon as Found in Degenerated Nerve . 282 
The Effect Produced by Immersion in Solutions of Electrolytes . 288 
Also upon Nerve which has been Removed from an Animal sometime 
after Death ..... 300 
The Action of Solutions of Electrolytes Studied Quantitatively . 305 
The 'Concentration Law' . . . . .310 
The ' Concentration Law ' in the Special Case of Solutions of Potasssium 
Chloride . 326 
The Conductivity of the Internal Solution . . . 340 
General Conclusions ..... 344 
