CONTENTS. xi 



CHAPTER XVII. 



(LESSONS 30 AND 31.) 



PAGE 



Elimination : General Description of the Urinary Organs ; Structure and 

 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 



