THE LAWS OF HEREDITY 



CHAPTER XI 



PAGB 



HUMAN DISEASES . 2l8 



CHAPTER XII 



ACQUIRED IMMUNITY . . . . . 237 



CHAPTER XIII 



THE PRESENT EVOLUTION OF MAN , : .'"...,; . . . . 256 



CHAPTER XIV 



EPIDEMIC AND ENDEMIC DISEASE , . I 266 



CHAPTER XV 

 ALCOHOL ... . . , . - ; '- . . . . 284 



CHAPTER XVI 



THE EVOLUTION AGAINST NARCOTICS . . . . 298 



CHAPTER XVII 



IDEALISM AND COMMON SENSE . V . . . . 324 



CHAPTER XVIII 



NECESSARY TRUTH -. . . . . . . 338 



CHAPTER XIX 



THE RELATION OF MIND TO BODY . . . . ,. 356 



CHAPTER XX 



REFLEX ACTION, INSTINCT, AND REASON . ,* f . s . 367 



CHAPTER XXI 



THE EVOLUTION OF MEMORY . . . . . . 393 



