CONTENTS xi 

 CHAPTER XXII 



PAGE 



NATURE AND NURTURE ... 4 I( > 



CHAPTER XXIII 



PHYSICAL DETERIORATION AND MICROBIC DISEASE . 436 



CHAPTER XXIV 



INTEMPERANCE AND INSANITY ... . 45 6 



CHAPTER XXV 



EDUCATION . . . 477 



APPENDIX . 5 X 7 



GLOSSARY . -535 



INDEX .... . -539 



