TABLE OF CONTENTS. vii 



PAGE 



Methods of investigation .... .... ... .... .... 329 



General results regarding the interchange of gases in the lungs.... 332 



Frequency of the respirations .... .... .... .... 336 



Depth of the respirations .... .... .... .... 340 



Respiration of artificial atmospheres .... .... .... .... 341 



Influence of temperature on the respiration .... .... 344 



of moisture .... .... .... 346 



of the pressure of the atmosphere .... 348 



of the period of the day .... .... 350 



of abstinence from food .... ... 351 



ofdigestion .... .... .... 354 



of the quality and quantity of the food 355 



of sleep and other bodily conditions .... 363 



Respiration in different classes of animals .... .... .... 366 



The relation existing between the respiration and the cutaneous tran- 

 spiration .... .... .... .... .... 375 



Respiration in diseases .... .... .... .... .... 376 



Theory of respiration .... .... .... .... .... 383 



Animal heat .... .... .... .... .... .... 392 



Nutrition.... .... .... .... .... .... .... 397 



Fundamental principles of nutrition .... .... .... .... 398 



Nutrient value of different kinds of food .... .... .... 399 



The normal quantity of food .... .... .... .... 407 



The quantities of nutrient matters which can be absorbed .... 411 



Influence of nutrition on the blood .... .... .... .... 414 



The ingesta and egesta of the animal organism .... .... 416 



The necessary quantity of food .... .... .... .... 419 



Final results in the state of inanition .... .... .... 423 



Metamorphosis of matter during growth .... .... ... 436 



Fattening of cattle, &c. .... .... .... .... 442 



Intel-mediate metamorphosis of matter .... .... .... 444 



Metamorphosis of matter to diseases .... .... .... 449 



APPENDIX. 



ADDITIONS AND NOTES TO VOL. I. 



1. Addition to page 44, line 18. On the formation of oxalic from uric acid 



during the acid fermentation of the urine .... .... .... 453 



2. Addition to page 48, line 3. On the decomposition of uric acid in the 



animal organism .... .... .... .... .... 453 



3. Addition to page 50, line 10. On formic acid in certain fluids .... .... 454 



4. Addition to page 56, line 8 from bottom. On metacetonic acid in the sweat 454 



5. Addition to page 61, line 5. On butyric acid in the sweat .... .... 454 



6. Addition to page 89, line 17. On alaninc and the rational formula for 



lactic acid .... 454 



