xvi CONTENTS. 



CHAPTER XXXVII. 



PAQF. 



THE URINE 547 



Urea 549 



Uric Acid 556 



Hippnric Acid 558 



Creatinine 559 



Inorganic Constituents of Urine 560 



Urinary Deposits . . 563 



Pathological Urine 566 



CHAPTER XXXVIII. 



THE SKIN 570 



CHAPTER XXXIX. 



GENERAL METABOLISM . . . 580 



Discharge of Carbon 583 



Discharge of Nitrogen 584 



Balance of Income and Discharge in Health 585 



Inanition or Starvation ......... 587 



Exchange of Material in Diseases . . . . . . . 591 



Luxus Consumption 592 



CHAPTER XL. 



ANIMAL HEAT 595 



Regulation of the Temperature of Warm-blooded Animals . . 600 



CHAPTER XLI. 



THE CENTRAL NERVOUS SYSTEM 602 



CHAPTER XLII. 



STRUCTURE OP THE SPINAL CORD 604 



CHAPTER XLIII. 



THE BRAIN 618 



CHAPTER XLIV. 



STRUCTURE OF THE BULB, PONS, AND MID-BRAIN . . 622 



