CONTENTS ^^ ** ^ 



PAGE 



Preface v 



Abstract ix 



Chapter I. Introduction 1 



$ 1. The project 1 



2. How regulations may be studied 4 



3. Extensions of the study 7 



4. Mode of treatment 8 



5. Outline of the investigation 11 



PAET A. WATER RELATIONS OF ANIMALS 



Chapter II. Water Exchanges of Dog 17 



$ 6. Introduction 17 



7. Sudden excesses of water 18 



8. Deficits of water 27 



9. Equilibration 32 



10. Velocity quotient 37 



11. The water-time system 40 



12. Stationary states of excess 41 



13. Stationary states of deficit 47 



14. Summary 49 



Chapter III. Other Types of Water Increment (Dog) 50 



§ 15. Introduction 50 



16. Excesses of water 50 



17. Deficits of water 59 



18. Distinctions among water increments 62 



19. Modifications of water content at balance 68 



20. Summary 71 



Chapter IV. Variabilities of Water Relations (Dog) 73 



$ 21, Introduction 73 



22. Variations of water content 73 



23. Variations of turnovers 78 



24. Variations in rates at diverse loads 84 



25. Summary 86 



Chapter V. Water Relations of Man 88 



§ 26. Introduction 88 



27. Single ingestions by mouth 88 



28. Repeated ingestions by mouth 93 



29. Water privation 95 



30. Equilibration and recovery 100 



31. Comparison with dog 102 



32. Variations 103 



33. Characterizations and tests 105 



34. Diverse types of water load 107 



35. Summary 108 



Chapter VI. Water Relations of Frog 110 



§ 36. Introduction 110 



37. Water exchanges 110 



38. Variations 116 



xi 



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