CONTENTS 



CHAP. . PAGE 



PRELIMINARY ....... 1 



I. AMCEBOID AND CILIARY MOVEMENT . . . . 2 



II. THE ELECTRICAL APPARATUS IN COMMON USE IN PHYSIO- 

 LOGICAL WORK . . . . -v . 4 



III. SIMPLE EXPERIMENTS ILLUSTRATING THE USE OF ELECTRICAL 



APPARATUS IN PHYSIOLOGY . . . . .18 



IV. THE MUSCLE-NERVE PREPARATION ' . ,j . . 21 

 V. THE RECORDING OF MUSCULAR CONTRACTIONS . . .28 



VI. THE NERVELESS MUSCLE . \ , . . . .34 



VII. EFFECT OF SUCCESSIVE STIMULI UPON A NERVE-MUSCLE 



PREPARATION . /. . . . .38 



VIII. WORK OF MUSCLE ; EXTENSIBILITY OF MUSCLE . . .41 



IX. FATIGUE OF MUSCLE AND NERVE . . . . 45 



X. CONDUCTION IN NERVE . . . . . . 48 



XI. CONDITIONS OF EXCITATION OF NERVE AND MUSCLE BY THE 



GALVANIC CURRENT . . . . . . 52 



XII. POLAR EFFECTS OF A GALVANIC CURRENT ; ELECTROTONUS . 57 



XIII. EXPERIMENTS ON THE ELECTRICAL CONDITIONS OF MUSCLE 



AND NERVE . .',.' . . . . . . 60 



XIV. INVOLUNTARY MUSCLE . . . . . ' . 66 

 XV. THE FROG-HEART . . . . . .68 



XVI. PERFUSION OF HEART . . . . . . .74 



XVII. CARDIAC NERVES OF FROG ..... 78 



XVIII. STRUCTURE AND ACTION OF THE MAMMALIAN HEART . . 81 



XIX. METHODS OF INVESTIGATING THE CIRCULATION IN THE BLOOD- 

 VESSELS ....... 84 



XX. STUDY OF THE CIRCULATION IN MAMMALS . . .89 



XXI. THE CAPILLARY CIRCULATORS . . . . .93 



XXII. THE PULSE. ARTERIAL PRESSURE IN MAN . . .96 



