Xll 



CONTENTS 



PAGE 

 177 



18:5 



CHAPTER 



XVIII. ADULTERATED AIR TOBACCO .... 



XIX. THE LARGEST COMPONENT OF JACK'S HOUSE 

 WATER .... .... 



XX. OUR WONDERFUL RIVER OF LIFE AND MARVEL- 

 OUS TELEGRAPH SYSTEM THE BLOOD AND THE 



NERVES 203 



XXI. CLOTHING AS A PROTECTION TO JACK'S HOUSE . 209 



XXII. HOW TO PROTECT OUR El)GED TOOLS THE TEETH 221 



XXIII. THE EYES AND HOW TO PROTECT THEM ... . 233 



XXIV. THE EARS AND HOW TO PROTECT THEM . . 262 

 XXV. REST AND SLEEP . . . . . * . . 276 



XXVI. HOW TO PROTECT JACK'S HOUSE WHAT TO DO 



IN EMERGENCIES . . . . ? . 283 



XXVII. HOW TO PROTECT JACK'S HOUSE FROM CONTAGIOUS 



DISEASES CONSUMPTION . ... 295 



XXVIII. THE SACREDNESS OF JACK'S HOUSE . . .311 



HELPS IN LESSON PREPARATION ... . . . 315 



GLOSSARY 345 



INDEX , , 355 



