674 
Agar as a culture medium for: 
bacillus endocarditidis griseus, 
556 
bacillus erysipelatos suis, 513 
bacillus gracilis cadaveris, 560 
bacillus leporis lethalis, 541 
bacillus cedematis maligni, 582 
bacillus pyocyaneus, 543 
bacillus typhi abdominalis, 489 
micrococcus botryogenus, 413 
micrococcus melitensis, 421 
proteus hominis capsulatus, 519 
proteus lethalis, 555 
proteus septicus, 554 
proteus vulgaris, 549 
nutrient, Shultz’s method of prepar- 
ing, 46 
spirillum cholere asiatice in, 
596 
staphylococcus pyogenes aureus 
in, 374 
streptococcus pyogenes in, 384 
plates, bacillus anthracis on, 425 
bacillus endocarditidis capsula- 
tus on, 556 
bacillus cedematis maligni on, 
583 
micrococcus pneumoniz croupo- 
se, 403 
solutions, filtration of, 44 
stick cultures, bacillus of purpura 
hemorrhagica, Babes, 558 
Age, as influencing susceptibility to dis- 
ease, 233 
Agitation, influence of, 
growth, 163 
Agua coco as a culture medium, 39 
analysis of, 40 
bacillus cavicida havaniensis 
in, 517 
bacillus cuniculicida havanien- 
sis in, 588 
Air, demonstrations of micro-organisms 
in, 615 
list of saprophytes found in, 624 
optically pure, 5 
of city streets, bacteria in, 625 
of closed schoolrooms, bacteriology 
of, 625 
of hospitals, pathogenic germs in,624 
on bacterial 
INDEX. 
Albuminous fluids, germicidal powers of, 
210 
Alcohol as a decolorizer in staining, 28 
action of, on bacterial growth, 197 
on micrococcus pneumonie crou- 
pose, 405 
absolute, action of, on bacillus tuber- 
culosis, 478 
Alessi’s experiments on the pathogenic 
action of typhoid bacilli, 447 
Alexins (Buchner), 236, 265 
Algerian sheep, insusceptibility of, to 
anthrax, 234 
Alkalies, action of, on bacteria, 180 
Alkalinity of blood as affecting immu- 
nity, 236 
Alkaloid in anthrax cultures, 428 
Almonds, bitter, antiseptic power of, 
208 
. Alpha-naphthol, antiseptic power of, 206 
Alum, antiseptic value of, 188 
Aluminum acetate, antiseptic value of, 
188 
chloride, antiseptic value of, 188 
Amann’s method of separating tubercle 
bacilli from sputum, 486 
Ammonia, action of, on bacterial growth, 
184 
as a nutrient of bacteria, 126 
oxidation of, by bacteria, 144 
Ammonium carbonate, antiseptic value 
of, 188 
fluosilicate, antiseptic value of, 188 
sulphate, antiseptic value of, 188 
Amplification of photomicrographs, 106 
Anaérobic bacteria, 16 
cultivation of, 80 
in stab cultures, 71 
isolation of, 83 
concerned in putrefaction, 143 
Anesthetics in experiments on animals, 
99 
Analysis, chemical, of Friedlinder’s ba- 
cillus, 124 
of putrefactive 
Nencki, 124 
of purified tuberculin, 362 
Angelica, antiseptic power of, 203 
Aniline blue solution, Loffler’s, 29 
colors as stains, 25 
bacteria by 
