INDEX. 



A. 



Acetic acid, 51. 

 Alcohol, 48. 

 Alexines, 149. 

 Amoeba coll, 165. 

 Animals or plants ? 31. 

 Anthrax, 137, 177. 

 Antitoxines, 157, 190. 

 Aroma of butter, 76. 



B. 



Bacillus acidi lactici, 71. 

 Bacillus, definition of, 33. 

 Bacteria, defined by Hoffman, 15. 

 Beer, bacteria in the manufacture 



of, 50. 



Blood poisoning, 138, 140. 

 Blue milk, 72. 



study of, by Fuchs, 12. 



Bitter milk, 72. 

 Butter making, 75, 78. 

 Butyric acid, 56. 



C. 



Canning industry, 64. ^ 

 Capsule around bacteria, 24. 

 Cheese ripening, 86 ; bacteria in, 



90. 



Cholera Asiatica, 135. 

 Cholera, fowl, 144. 

 Cholera infantum, 133. 

 Classification of bacteria, 33, 36. 

 Cleavage products, 41. 

 Coal, relation of bacteria to, 123. 

 Cocoanut fibre, 44. 

 Colony of bacteria, 25. 

 Compost heap, 118. 

 Cream ripening, 75, 77. 



Curative medicine, 185. 

 Cure of disease by natural processes, 

 187. 



D. 



Dairy industry, 66. 

 Decomposition products, 41. 

 Diphtheria, 134. 



Disease, method of production, 130. 

 Diseases produced by bacteria, 139, 



142. 



Distribution of disease germs, 168. 

 Division of bacteria, method of, 18, 



20. 



rapidity of, 21. 



Drugs in germ diseases, 185. 

 Dysentery, 165. 



F. 



Farmer's life, relation to bacteria, 



121. 



Fermentative industries, 48. 

 Fermentation, theory of Liebig, 13. 

 Fertilizers, ripening of, 117. 

 Flagella, 29. 

 Flavour of butter, 76 ; of cheese, 



88. 



Food cycle of Nature, 97. 

 Food, relation of bacteria to, 22. 



G. 



Generic names, 37. 

 Green manuring, 120. 



H. 



Habitat of bacteria, 38. 



Hemp, 44. 



Henle, general theory of disease, 12. 



Hydrophobia, 180. 



