TABLE OF CONTENTS. 
PART IV. 
RELATION OF MICROORGANISMS TO MISCELLANEOUS 
FARM PRODUCTS. 
CHAPTER PAGB 
XV. Alcohol, Vinegar, Sauer Kraut, Tobacco, Silage, 
Flax 211 
XVI. Preservation of Food Products . . . 235 
PART V. 
PARASITIC BACTERIA. 
XVII. Resistance Against Parasitic Bacteria 251 
XVIII. Tuberculosis 261 
XIX. Other Germ Diseases 280 
XX. The Parasitic Diseases of Plants 293 
PART VI. 
APPENDIX. 
XXI. Laboratory Work and Disinfection ....... 307 
INDEX . 
