CONTENTS. xi 



CHAPTER XVII. 



(Lessons 30 and 31.) 

 Elimination : General Description of the Urinary Organs ; Structure and 



PAGE 



Blood-Supply of Kidneys ; Secretion of Urine ; Composition and Gen- 

 eral Characters of Urine 201 



CHAPTER XVIII. 



(Lessons 32 and 33.) 



Elimination concluded : the Skin ; Nails and Hair ; Bodily Heat ; Produc- 

 tion of Heat ; Loss of Heat ; Distribution of Heat ; Regulation of 

 Heat 212 



CHAPTER XIX. 



(Lessons 34, 35, and 36.) 



The Special Senses : Pressure, Temperature, Pain, Muscle-Sense, Taste, 



Hearing, Equilibrium, Vision 222 



CHAPTER XX. 



(Lesson 37.) 

 The Female Generative Organs . 243 



Glossary 253 



Index 273 



