CONTENTS, XI 



SECTION" PAGE 



79. Further Pulsatile Phenomena ,156 



80. Vibrations Communicated to the Body by the Action of the Heart, , 157 



81. The Blood-Current, 159 



82. Schemata of the Circulation, 161 



83. Capacity of the Ventricles, ... . 161 



84. Estimation of the Blood-Pressure, 162 



85. Blood-Pressure in the Arteries, . .166 



86. Blood-Pressure in the Capillaries, . . 173 



87. Blood-Pressure in the Veins, . . . 175 



88. Blood-Pressure in the Pulmonary Artery, . . ... 177 



89. Measurement of the Velocity of the Blood-Stream, .... 179 



90. Velocity of the Blood in Arteries, Capillaries, and Veins, . . . 182 



91. Estimation of the Capacity of the Ventricles, . . . 184 



92. The Duration of the Circulation, 184 



93. Work of the Heart, 185 



94. Blood-Current in the Smallest Vessels, ...... 186 



95. Passage of the Blood-Corpuscles out of the Vessels [Diapedesis], . 189 



96. Movement of the Blood in the Veins, 190 



97. Sounds or Bruits within Arteries, 192 



98. Venous Murmurs, 193 



99. The Venous Pulse Phlebogram, . ... 194 



100. Distribution of the Blood, 196 



101. Plethysmography, ... 197 



102. Transfusion of Blood, ... 199 



THE BLOOD-GLANDS. 



103. The Spleen Thymus Thyroid Supra-Renal Capsules Hypophysis 



Cerebri Coccygeal and Carotid Glands, ..... 203 



104. Comparative, 215 



105. Historical Retrospect, 215 



III. PHYSIOLOGY OF RESPIRATION. 



106. Structure of the Air-Passages and Lungs, , 217 



107. Mechanism of Respiration, 226 



108. Quantity of Gases Respired, 227 



109. Number 'of Respirations, ......... 229 



110. Time occupied by the Respiratory Movements, ..... 229 



111. Pathological Variations of the Respiratory Movements, . . . 233 



112. General View of the Respiratory Muscles, 234 



113. Action of the Individual Respiratory Muscles, 235 



114. Relative Size of the Chest, 240 



115. Pathological Variations of the Percussion Sounds, .... 244 



116. The Normal Respiratory Sounds, 245 



117. Pathological Respiratory Sounds, 245 



118. Pressure in the Air-Passages during Respiration, .... 247 



119. Appendix to Respiration, ......... 248 



120. Peculiarly Modified Respiratory Sounds, ...... 248 



121. Quantitative Estimation of C0 2 , O, and Watery Vapour, . . . 250 



122. Methods of Investigation, 250 



123. Composition and Properties of Atmospheric Air, 254 



