XX Contents 



CHAPTER XLVIII 



Pages 



Bacterial Diseases of Fermented Liquors .458-462 



The "turning"' of wine and beer — Ropiness in wine-- 

 Sarcina sickness — Loss of color in wine — Mannitic fer- 

 mentation. 



CHAPTER XLIX 

 Vinegab-Making ... .463-472 



History of the art — Modem knowledge — ^The "mother 

 of vinegar" — Acetic-acid bacteria — Methods of using 

 acetic ferments — Pure cultures in vinegar-making — 

 The storing of vinegar. • 



INDEX AND GLOSSARY 473-486 



