CONTENTS 



CHAPTER 

 I. 



II. 

 III. 



IV. 



V. 



VI. 



VII. 



VIII. 



IX. 



X. 



XL 



XII. 



XIII. 



XIV. 



XV. 



XVI. 



XVII. 



XVIII. 



XIX. 



XX. 



XXI. 

 XXII. 



PAGE 



Some Physical Instruments in Constant Use in Physiological 



Experiments .......... 1 



Preparation of a Frog's Muscle. Its Response to Stimula- 

 tion. The Graphic Method 16 



A Single Contraction of a Frog's Muscle. Its Modification 



under Changes in the External Conditions .... 30 



Summation of Muscular Contraction. Tetanus . . . . 56 



Fatigue of Muscle 66 



The Thickening of a Muscle on Contraction. The Muscle Wave 71 

 Independent Muscular Excitability. Excitation of Muscle by 



the Constant Current. Polarisation of Electrodes. . . 76 



Some Experiments to Determine the Functions of Nerves . 85 



Examination of the Frog's Heart. The First Stannius Ligature 97 

 The Action of Heat and Cold upon the Frog's Heart . .112 



The Nerves of the Frog's Heart and Their Functions . . 120 



Action of Drugs upon the Frog's Heart 130 



Some Further Methods for Examining the Activity of the 



Frog's Heart 134 



Demonstration of the Movements of the Mammalian Heart. 



The Cardiograph 138 



Some Experiments in Electro-physiology 146 



Schema of the Circulation. The Sphygmograph . . • 157 



Demonstration of Blood Pressure and its Nervous Regulation 168 



The Kidney. Demonstration of an Oncometer Experiment . 189 

 Demonstration of the Nervous Regulation of Respiration. 



The Stethometer and Pneumograph 201 



Demonstration of the Secretion of Saliva from the Submaxil- 

 lary Gland of the Dog .....••• 209 

 Reflex Action as Studied upon the Spinal Cord of the Frog 214 

 Some Experiments in the Physiology of the Eye. Accommoda- 

 tion, Ophthalmoscopy, Colour Sense, Perimetry . . . 218 



