444 



INDEX. 



Actinomy.ces, higher bacteria with 

 branching filaments, 277 



in pus formation, 284 



tubercle bacillus possibly of this 

 group, 287 



as the cause of "lump-jaw" in 



cattle, actinomycosis bovis, 366 



Actinomycosis bovis, or "lump-jaw," 



in cattle, 366 

 Active immunity, 211 

 Acute miliary tuberculosis, 358 

 Adherence of bacteria to moist sur- 

 faces, 80 



Aerobic bacteria, definition of, 127 

 Aerobioscope, 138 

 Agar-agar, azolitmin, 71 



glycerin, 70 



dextrose, 71 



lactose, 71 



litmus, 71 



neutral-red, 71 



plain, 69 



saccharose, 71 



Age, relation of, to infection, 179 

 Agglutinating substances in blood- 

 serum, 190 

 Agglutinins, definition, 190 



development of, in blood, 191 



group, 190 



specific, 191 

 Aggressins, 217 

 Air, bacteria of, 137 



B. anthracis in, 137 



effect of altitude on number of 

 bacteria in, 137 



method of examination, 137 



pathogenic bacteria conveyed by, 



J 75 



bacteria on floating particles of 



sputum in, 137 

 conditions affecting number of 



bacteria in, 137 

 species of bacteria in, 137 

 in veins found after death due to 



fermentation, 6, 268 

 Albumen, culture media containing, 75 

 glycerin fixative for tissues 



(Mayer), 40 



specific precipitins for, 196 

 Alcohol, acid for decolorizing, after 

 staining bacteria with carbol 

 fuchsin, 35 



fixation of tissues with, 37 

 in Gram's stain. 31 

 in Ziehl's stain, 34 



Alcohol, relation to infection when 



used as beverage, i 79 

 Alexins, 226 



Alimentary canal, bacteria of, 164 

 Alum as a coagulant in water filtration, 



141 



Amboceptor, 223, 230 

 Ameba beutali, 417 



bovis, 417 



buccalis, 417 



cobayae, 415 



coli, 415 



coli felis, 417 



coli mitis, 417 



dysenterica, 417 



entameba hominis, 417 



enterica, 417 



fecalis, 417 



gallopavonis, 416 



gemmipara, 417 



gingivalis, 417 



hominis, 416 



intestinalis, 416 



intestini vulgaris, 417 



Kartulis, 417 



lobosa coli, 417 



miurai, 417 



muris, 416 



musculi, 416 



pulmonalis, 417 



ranae, 416 



ranarum, 417 



undulans, 417 



urogenitalis, 417 

 Amebae, cultivation of, 411 



hanging-plate method, 413 



isolation of, 412 



permanent preparations of, 415 



reproduction in, 413 



sporeformation, 414 

 American filtration system, 141 

 American Public Health Association, 

 directions for preparation of 

 culture media, 66 

 Ammonia, conversion of, into nitrous 



acid, 131 

 Anaerobic bacteria, cultivation of, 90 



definition of, 127 

 Anaphylaxis, 211 

 Anilin dyes, acid unsuited for staining 



bacteria, 28 

 alkaline, for staining bacteria, 



28 



alcoholic solutions for prepara- 

 tion of aqueous solutions, 28 



