818 



INDEX OF SUBJECT & 



Bacteria, occurrence of, in the body, 



181 

 parasitic, 29 



definition of, 182 

 pathogenic, 182 

 phenol production by, 167 

 physical agents injurious to, 62 

 pigment formation by, 59 

 protozoa and, differentiation of, 1 

 putrefactive, quantitative chemical 



analysis of, 21 

 reducing powers of, 167 

 relation of, to moisture, 34 



to physical environment, 31 



to pressure, 34 



to temperature, 31 

 relationship of, to other plants, 35 

 reproduction of, 18 



rate of, 18 



varieties of, 18 

 saprophytic, 29 



definition of, 182 

 size of, 9 



staining of, methods of. See Stain- 

 ing of bacteria 



sulphur. See Sulphur bacteria 

 symbiosis of, 30, 31 

 thermal death points of, 33 

 variations in forms of, 19 

 virulence of, and infectiousness, 183 

 virulent, sublethal doses of, in active 



immunization, 195 

 Bacteriacese, 37 

 Bacterial cell, ash in, 23 

 Babes-Ernst granules in, 11 

 capsule of, 12 

 carbohydrates in, 23 

 chemical constituents of, 21 



quantitative analysis of, 21 



varieties of, 21 

 fats in, 22 

 globulin in, 22 

 membrane of, 12 

 metachromatic granules in, 11 

 morphology of, 100 

 motility of, 13 



Brownian, 14 



by flagella, 14 



Bacterial cell, motility of, effect of 



temperature on, 15 

 molecular, 14 

 true, 14 

 nucleus in, 10 

 organs of locomotion of, 13 



classification of bacteria based on, 



15 



osmotic properties of, 23 

 permeability of membrane of, 23 

 plasmolysis of, 23 

 plasmoptysis of, 24 

 polar bodies in, 11 

 proteids in, 22 



refractive index of parts of, 24 

 specific gravity of forms of, 24 

 water in, 21 



Bacterial enzymes or ferments, 42 

 action of, 42 



environmental conditions on, 43 

 reversible, 43 



similarity of, to ferments of special- 

 ized cells of higher plants and ani- 

 mals, 43 

 Bacterial filtrates for precipitin tests, 



preparation of, 254 

 Bacterial forms, variations of, 19 

 Bacterial mutation, 38, 39 

 Bacterial poisons, 184 

 action of, 187 

 ptomains and, 185 

 resistance of, to chemical action and 



heat, 187 

 summary of, 305 

 varieties of, 185 

 endotoxins, 185 

 proteins, 186 

 true toxins, 185 



Bacterial products in active immuniza- 

 tion, 195 



Bacterial proteins, 186 

 Bacterial spores, 15 

 formation of, 15 

 germination of, 17 . 

 position of, 17 

 varieties of, 15 

 arthrospores, 16 

 true, or endospores, 16 



