XIV 



CONTENTS OF THE SECOND VOLUME. 



Buffing and cupping, 295 



Physical analysis of the Uood, 296 



The fibrine, 297 



The red corpuscles, 297 



The colourless corpuscles, 301 



Function of the red corpuscles, 304 



Office of the colourless corpuscles, 305 



Of the development and decay of the 



blood corpuscles, 306 

 The Chemical analysis of the blood, 



307 

 Composition of the red particles and 



of the hsematine, 309 

 Influence of venesection and disease 



upon the blood, 311 



CHAPTER XXVIII. 



THE CIRCULATION OF THE BLOOD. 



Of the BLOOD-VESSELS, 315 



The middle or fibrous coat of the 



artery, 317 

 Muscular fibres, 319 

 Epithelial layer, 320 

 Anastomoses of arteries , 323 

 The structure of veins, 325 

 Of the capillaries, 327 

 Of the heart, 331 



Cavities and valves of the heart, 333 

 Pericardium and endocardium, 335 

 Of the structure of the valves of the 



heart, 337 



Mechanism of the valves, 338 

 Of the muscular tissue of the heart, 



339 



Nutrition of the heart, 341 

 Nerves of the heart, 342 

 Of the action of the heart, 343 

 Rhythm of the heart, 345 



The course of the circulation, 347 



Of the portal circulation, 347 



Of the foetal circulation, 348 



Of the forces which circulate the blood, 

 349 



Of the circulation in arteries, 351 



The pulse, 353 



Contractility of arteries, 354 



The force of the heart, 357 



Influence of respiration upon the cir- 

 culation, 363 



Of the velocity of the blood in arteries, 

 364 



Of the circulation in the capillaries, 

 367 



Of the forces which maintain the ca- 

 pillary circulation, 369 



Circulation in the veins, 376 



Suction-power of the auricle, 379 



Rapid effect of poisons, 382 



CHAPTER XXIX. 



RESPIRATION. 



General description of RESPIRATORY 



ORGANS, 384 



Comparative anatomy, 385 

 Organs of respiration in man ; the 



trachea, 386 



Coats of the bronchi, 388 

 Infundibula, 391 

 Pulmonary artery, 392 

 Minute anatomy of the lungs, 393 

 Movements of respiration, 396 

 Action of the respiratory muscles, 398 



Power of the respiratory muscles, 401 

 Use of the trachealis muscle, 402 

 Excitation of respiratory movements 



402 



Ratio of respirations to the pulse, 403 

 Amount of air breathed, 403 

 Changes in the respired air, 405 

 Influence of exercise, temperature of 



the surrounding medium, age, sex, 



etc., upon the exhalation of carbonic 



acid, 407 



