198 



INDEX. 



I. 



Indigo, preparation of, 57. 

 Inflammation in surgery, 153. 

 Internal structure of bacteria, 30. 

 Invasion, means of, 145, 169. 



Jute, 44. 



J. 



K. 



Koch, contribution to bacteriology, 

 16. 



Lactic acid, 55. 



Leather, 46. 



Leeuwenhoek, studies of, ^10. 



Legumes in nitrogen fixation, 108. 



Liebig, theory of fermentation, 13. 



Limits of preventive medicine, 182. 



Linen, 42. 



Lockjaw, 135. 



Lysines, 151. 



M. 



Maceration industries, 42. 

 Maceration of skeletons, 46. 

 Malaria, 160. 

 Malignant pustule, 137. 

 Microbe, definition of, 9. 

 Micrococcus, defined, 18. 

 Milk bacteria, 67, 70. 

 Milk, effect of bacteria on, 70. 

 Milk handling, 74. 

 Mosquitoes and malaria, 164. 

 Motion of bacteria, 28. 

 Miiller, studies of, n. 

 Multiplication, rapidity of, 21. 

 Mycoderma aceti, 52. 



N. 



Nitrate beds, 116. 

 Nitrifying bacteria, 103. 

 Nitrogen fixation, 107. 

 Nitrogen loss, 104. 



O. 



Opium, 63. 



Oscillariae, as allies of bacteria, 32. 



P. 



Parasitic bacteria, 134. 

 Pasteur, contributions of, 14. 



Pathogenic bacteria, abundance of, 

 129. 



Pathogenic bacteria not true para- 

 sites, 131. 



Phagocytes, 151. 



Poisons produced by bacteria, 130, 

 132. 



Preventive inoculation, 175. 



Preventive medicine, 166 ; limits of, 

 182. 



Products of bacterial life, 41, 47. 



Pure cultures, 15 ; in vinegar mak- 

 ingi 5 1 ; in tobacco curing, 61 ; in 

 butter making, 82 ; in cheese mak- 



_ ing, 93- 



Pus, 153 ; pus cocci, 142. 



R. 



Recovery from germ diseases, 156. 

 Red milk, 72. 

 Resistance to disease, 147. 



S. 



Sarcina, defined, 19. 



Sauer Kraut, 65. 



Scavengers, bacteria as, 95, 101. 



Schwann, studies on fermentation, 



12. 



Seeds, sprouting of, in. 

 Shape of bacteria, 17. 

 Silo, bacteria in, 112. 

 Size of bacteria, 17. 

 Skeletons, 46. 

 Slimy milk, 72. 

 Snuff, preparation of, 59. 

 Soapy milk, 72. 

 Soil, fertility of, 114. 

 Sources of infectious material, 168. 

 Souring of milk, 70. 

 Species, differences between, 23, 34 ; 



names of, 37. 

 Sponges, 45. 

 Spores, 25. 



Staphylococcus pyogenes, 142. 

 Streptococcus, defined, 19. 

 Streptococcus pyogenes, 142. 

 Surgery, bacteria in, 171. 

 Susceptibility of the individual, 145. 



T. 



Tainted milk, 72. 



Tetanus, 135. 



Tobacco curing, 58. 



Troublesome fermentations, 63, 121. 



Tuberculosis, 136. 



Typhoid fever, 136. 



