vm CONTENTS 



Chapter Page 



XIV. Preservation by Canning 189 



XV. The Growth or Bacteria in Foods . . .203 



XVI. Disease Bacteria 228 



XVII. Prevention of Distribution of Contagious Dis- 

 eases 237 



XVIII. Practical Suggestions 269 



XIX. Disinfection 283 



APPENDIX 



Directions for Laboratory Experiments . . . 295 



Index 315 



