INDEX. 



Abortion, contagious, 147. 



Acids, preservation of foods 

 by, 228. 



Acidity produced in milk, 54. 



Actinomycosis, 142. 



Aeration of milk, 48. 



Aerobic bacteria, 8. 



Air, bacteria in, 14; contami- 

 nation of milk from, 33. 



Alcoholic fermentation of milk, 

 60. 



Ammonification, 187. 



Anaerobic bacteria, 8. 



Anthrax, 98; spread of, 103; 

 vaccination against, 101. 



Antiseptics, 12; in milk, 48. 



Antitoxin for tetanus, 132. 



Azotobacter, 205. 



Bacteria, aid in animal diges- 

 tion, 208; colonies of, 18; 

 determination of number 

 of, 17; distribution of, 13; 

 forms of, 2; in soil, 174; 

 nature of, 1; pure culture 

 of, 19; reproduction of, 3; 

 size of, 3; structure of, 2. 



Barn air, 33. 



Bitter milk, 61. 



Black leg, 104. 



Butter, 65; deterioration of, 70; 

 flavor of, 65; moldy, 72; 

 sour-cream, 65 ; sweet- 

 cream, 65; undesirable fla- 

 vor In, 71. 



'Cabbage rot, 237. 



'Calcium, 182. 



Canning, preservation of foods 

 -by, J231. 



Carbon, cycle of, 181. 



Carbolic acid, 168. 



Cellulose digestion of, 208. 



Certified milk, 83. 



Cheese, 73; Cafnembert, 80; 

 Gorgonzola, 79; Limburger, 

 80; ripening of, 75; Roque- 

 fort, 79; Stilton, 79; Swiss, 

 78; types of, 73. 



Chicago, rules for production 

 of milk, 85. 



Chicken cholera, 157. 



Cold, effect on bacteria, 10; 

 preservation of foods by, 

 232. 



Colored milk, 62. 



Copper sulphate, 169. 



Corn stalk disease, 109. 



Corrosive sublimate, 169. 



Cows, cleaning of, 28; clipping 

 of, 28; tuberculosis of, 39. 



Cow pox, 146. 



Cow stalls, 27. 



Cream, ripening of, 66, 69. 



Cresol, 168. 



Culture, media, 15. 



Denitrification, 190. 



Diphtheria, bacteria of in milk, 

 40; of fowls, 159. 



Dirt in milk, 26. 

 Disinfectants, 12. 

 Disinfection, 165. 

 Distemper of dogs, 163; of 



horses, 163. 

 Drying, preservation of foods 



by, 225. 



Eggs, preservation of, 232. 



