CONTENTS. 



PAGE 



INTEODUCTOEY 1 



BOOK I. 



BLOOD. THE TISSUES OF MOVEMENT. 

 THE VASCULAR MECHANISM. 



CHAPTER I. 

 BLOOD, pp. 1134. 



Sec. 1. The Coagulation of Blood . . . . -. . . . 13 



Sec. 2. The Chemical Composition of Blood . . . * . . . 24 



Sec. 3. The History of the Corpuscles . .V . ~ . . . 28 



Sec. 4. The Quantity of Blood, and its distribution in the body ... 33 



CHAPTER II. 



THE CONTRACTILE TISSUES, pp. 35 103. 



Sec. 1. The Phenomena of Muscle and Nerve 37 



Muscular and Nervous Irritability, p. 37. The Phenomena of a 

 simple muscular contraction, p. 39. Tetanic contractions, p. 48. 



Sec. 2. The Changes in a Muscle during Muscular Contraction ... 54 

 The change in form, p. 54. Electrical changes, p. 58. Chemical 

 changes, p. 64. Thermal changes, p. 70. The changes in a Nerve 

 during the passage of a Nervous Impulse, p. 72. 



Sec. 3. The Nature of the Changes through which an Electric Current is able 



to generate a Nervous Impulse 75 



The action of the Constant Current, p. 75. Electrotonus, p. 77. 

 Electrotonic Currents, p. 80. 



