INDEX 



315 



Bacillus typhosus Continued 

 resistance of, 210 

 serum diagnosis of, 215 

 staining of, 208 

 vaccines, 216 

 Bacillus Welchii, 246, 249 

 cultivation of, 247 

 morphology of, 247 

 pathogenesis of, 246 

 staining of, 247 

 Bacillus xerosis, 187 

 Bacteremia, 101 

 Bacteria, 5 



ability of, to produce disease, 94 

 acid fast, 47, 188, 189, 198 

 capsulated, 9 



chemical composition of, 12 

 classification of, 1, 4, 5 

 composition of, 1 

 cultural reactions of, 59 

 degenerate forms of, 7 

 cold, effects of on, 16 

 cultivation of, 51, 58 

 cultural reactions of, 59 

 defensive forces of body against, 96 

 effect of chemicals on, 17 

 electricity on, 15 

 heat on, 16 

 light on, 15 

 food requirements of, 13 



test for, 60 

 general forms of, 5 

 Gram-negative, 50 

 Gram-positive, 50 

 growth of, 7 



factors checking, 7 

 factors influencing, 13 

 results of, 22 

 habitat of, 13 

 higher, 5 



identification of, 51, 59 

 in industries, 64, 70 

 in maceration industries, 73 

 in milk, 83, 88, and see Milk 

 in natural processes, 64 

 in suspension, to determine number of, 



147 



influence of body tissues on, 96 

 involution forms of, 7 

 lower, 5 



microscopic examination of, 38, 41 

 morphologic relations of, 4 

 morphology of, 59 



determination of, 59 

 motility of, 9 



determination of, 59 

 mutations, 8 

 nitrifying, 67 

 inon-pathogenic, 100 



Bacteria Continued 



number invading body, 98 



in cultures, estimation of, 55 

 oxygen requirements of, 14 



test for, 60 

 parasites, 100 

 pathogenic, 100 

 pathogenic effects of, 100 

 points of entrance to body, 97 

 proteolytic action of, 60 

 purification of sewage by, 82 

 reaction of, to Gram's stain, 50 

 reproduction of, 6 

 saprophytes, 13, 100 

 size of, 6 

 spore formation of, 59 



test for, 59 

 staining of, 43 

 capsules, 47 

 decolorizing agents, 45 

 flagella, 48 



formulae of stains, 46, and see Stains 

 mordants, 45 

 principles, 43 

 saturated solutions, 44 

 spores, 47 

 staining reactions of, determination 



of, 59 



structure of, 1, 8 

 temperature requirements of, 15 

 terminology of, 5 

 transition forms, 5 

 virulence of, 99 

 Bacterial activity, forms of, 22 



toxins, 112 



Bacteriological examinations, 105 

 Bacteriolysins, 128, 140 

 Balantidium, 279 

 Balantidium coli, 298 

 Bichloride of mercury, as disinfectant, 



19 



Black death, 237 

 Blackwater fever, 298 

 Blastomycetes, 4, 275 

 Blastomycosis, 276 

 Bleaching powder, as disinfectant, 20 



in purification of water, 81 

 Blepharoplast, 277 

 Blood, cultures from, 108 

 Blood films, 43 

 Blood smear to make, 43 

 Body, defensive forces of, 96 

 Boiling, sterilization by, 26 

 Botulism, differentiated from ptomain 



poisoning, 115 

 Brill's disease, 252 

 Broth, growth on, 59 

 Brownian movement, 9 

 Bubonic plague, 237, 239 



