CONTENTS xxiii 

 CHAPTERS XIII. AND XIV. 



PACK 



1. Difference of make and break induction shocks - - 780 



2. Stimulation by the voltaic current - - 783 



3. Ciliary motion - 784 



4. Direct excitability of muscle curara - - 784 



5. Graphic record of ' twitch ' - - 784 



6. Influence of temperature on the muscle-curve - - 786 



7. Influence of load on the muscle-curve ... 786 



8. Influence of fatigue on the muscle-curve - 786 



9. Seat of exhaustion in fatigue of the muscle-nerve preparation 786 



10. Influence of veratrine on muscular contraction - 787 



11. Measurement of the latent period of muscular contraction - 788 



12. Summation of stimuli - - 789 



13. Superposition of contractions ----- 789 



14. Composition of tetanus - 789 



15. Contraction of smooth muscles .... 790 



1 6. Velocity of the nerve-impulse - - 791 



17. Chemistry of muscle - - 792 



18. Reaction of muscle in rest, activity, and rigor - - 793 



CHAPTER XV. 



1. Galvani's experiment - ... 814 



2. Contraction without metals - - - -814 



3. Secondary contraction - 814 



4. Demarcation and action currents with capillary electrometer 814 



5. Action current of the heart - - - - -816 



6. Electrotonus - - - 816 



7. Paradoxical contraction - - 816 



8. Alterations in excitability and conductivity produced in nerve 



by a voltaic current - - - 816 



9. Formula of contraction - - 817 



10. Formula of contraction for (human) nerves in situ - - 818 



11. Ritter's tetanus - - 818 



CHAPTER XVI. 



1. Section and stimulation of nerve-roots - - 957 



2. Reflex action in the ' spinal ' frog - - - - 958 



3. Reflex time - .... 958 



4. Inhibition of the reflexes .... 959 



5. Spinal cord and muscular tonus .... 959 



6. Spinal cord and tonus of the bloodvessels ... 959 



7. Action of strychnine - - ... 959 



