INDEX. 



ABBE condenser and oil-immersion 

 lenses, hints as to the use of, 



73 



Acid, carbolic, value of, as a germi- 

 cide, 100 

 Acids and alkalies, production of, 



by bacteria, 52 

 Actinomyces bovis, 208 

 Actinomycosis, 208 

 fungus of, 209 



growth of, 210 

 resemblance of, to tuberculosis, 



210 

 Activity, vital, in bacteria, results 



of, 48 



Adhesion preparation, 125 

 Aerobic bacteria, 45 

 Agar-agar as a culture-medium, 1 10 

 advantages of, over gelatin, 127 

 preparation of, 1 10 

 sedimentation of, in 

 Air, bacteriologic examination of, 



138 



Hesse's apparatus, 139 

 Petri's filter for, 140 

 Sedgwick's expanded tube, 



141 



value of, 141 

 micro-organisms in, 138 

 pathogenic bacteria in, 138 

 Alexin, 69 

 Alkaloids, animal, 49 



putrefactive, 49 

 Anaerobic bacteria, 45 

 cultivation of, 130 

 Anilin dyes and bacteria, affinity 



between, 77 

 classification of, 77 

 employment of, in study of 

 bacteria, 77 



dyes for bacteriological 

 work, 78 

 introduction of, in 1877, by 



Weigert, 26 

 Animals, experimentation upon, 



134 



inoculation of, with bacteria, 135 

 Anthrax, 334 



animals most frequently affected 



by, 334 



antitoxin of, 342 

 bacillus of, 335 

 cultures of, 337 

 discovery of, 334 

 morphology of, 335 

 pathogeny of, 339 

 resistant powers of, 3?.! 

 staining of, 335 

 susceptibility of, to heat, cold, 



etc., 341 



foci for the distribution of, 334 

 immunity to, experiments in de- 

 struction of, 341 

 in cattle, how acquired, 343 

 measures to prevent the spread 



of, 343 

 means by which infection takes 



place, 339 

 means of protecting animals 



against, 341, 342 

 microscopic examination of the 



various organs in, 341 

 spores, 335, 336, 339 



resistant powers of, 336 

 symptomatic, 248 

 bacillus of, 249 

 cultures of, 250 

 staining of, 249 

 precautions to be observed in, 

 253 



347 



