CONTENTS. 



CHAPTER IX. 



PAGE 



MUSCLE. 251 



CHAPTER, X. 

 BRAIN AND NERVES 273 



CHAPTER XI. 

 ORGANS OF GENERATION " . 285 



CHAPTER XII. 

 MILK 300 



CHAPTER XIII. 

 THE SKIN AND ITS SECRETIONS A 322 



CHAPTER XIV. 

 THE URINE 330 



CHAPTER XV. 

 THE EXCHANGE OP MATERIAL 435 



