CONTENTS. vii 



mena of Excited Muscle Electrical Response to a Single Stimulus Electrical 

 Response to a Series of Stimuli DIRECT ACTION OF VOLTAIC CURRENT ON 

 MUSCLES Polarisation of Muscle Polar Effects during and after Passage of 

 Current Polar Excitation Secondary Excitation Polarising Action of 

 Currents of Brief Duration CARDIAC MUSCLE The Mechanical Response 

 The Electrical Response page 352 



NEEVE. 



BY FRANCIS GOTCH. 



FUNDAMENTAL CHARACTERISTICS OF NERVE PHENOMENA General Review of Nerve 

 Functions Phenomena of the Excitatory State Metabolism during Activity 

 Conductivity of Nerve Transmission in both Directions THE EXCITATION 

 OF NERVE Modes of Stimulation Induced Currents Undulatory Currents 

 Condenser Discharges Galvanic Currents Unipolar Excitation Chemical 

 Excitation Mechanical Excitation Conditions determining the Efficiency of 

 Stimuli Law of Excitation Influence of Direction of Electrical Currents- 

 Nerve Indefatigability Limits of Excitation by Repeated Stimuli THE 

 CIRCUMSTANCES AFFECTING NERVE EXCITABILITY AND CONDUCTIVITY Main- 

 tenance of Circulation Maintenance of Continuity with Nerve Cells Com- 

 parison of Different Nerves and Different Parts of the same Nerve Alterations 

 of Temperature Chemical Reagents Anaesthetics Polarisation Changes 

 POLAR EXCITATION OF NERVE BY ELECTRICAL CURRENTS Pfliiger's Law of 

 Contraction Influence of Duration, etc. Causation of Polar Excitation 

 Closing and Opening Tetanus Polar Excitation in Crayfish Nerves In Man- 

 In Peripheral Sense Organs ELECTROMOTIVE CHANGES IN UNEXCITED NERVE 

 The Nerve Current Its Production Influence of Various Conditions on its 

 Amount ELECTROMOTIVE CHANGES IN EXCITED NERVE The Negative Varia- 

 tion Its Discontinuous Character Electrical Response to One Stimulus 

 Influence of Various Conditions After-Effects ELECTROMOTIVE CHANGES 

 ASSOCIATED WITH PASSAGE OF CURRENTS External and Internal Polarisation 

 Electrotonus Influence of Physiological Changes upon Electrotonus 

 Excitatory After-Effects Polarisation and Excitation . . . page 451 



THE PHYSIOLOGY OF ELECTEICAL OEGANS. 

 BY FRANCIS GOTCH. 



General Description Minute Structure in Raja batis, Gymnotus, Torpedo, and 

 Malapterurus Functional Activity The Electrical Changes of Nerve Organ 

 Preparations ; Activity Effects The so-called Current of Rest The Organ 

 Response Its Time Relations Self-Excitation of the Electrical Organs Effect 

 of Repeated Stimuli Residual Effect of the Response Electromotive Force of 

 the Response Polarisation Phenomena, Secondary Electromotive Effects, 

 Irreciprocal Conductivity The Reflex Response of the Organ The Nature 

 of the Activity .......... page 561 



THE NEEVE CELL. 

 BY E. A. SCHAFER. 



Classification of Nerve Cells Theory of Isolated Units (Neurone Theory) Struc- 

 ture of Nerve Cells Changes in 'Nerve Cells as the result of Excitation- 

 Changes resulting from Section of the Nerve Fibre Process Conduction in 

 Nerve Cells Time lost in Transmission from Cell to Cell Refractory 

 Period page 592 



