INDEX. 
Purpura hemorrhagica, bacillus of Babes, 
558 
bacillus of Kolb, 559 
bacillus of Tizzoni and Giovan- 
nini, 558 
Pus, formation of, 223 
independent of bacteria, 371 
of acute abscess micrococci of, 14 
production of, by typhoid bacilli 
448 
cocci found in healthy eyes, 650 
found in the mouth, 652 
present in diphtheritic mem. 
branes, 449 
on inflamed mucous membranes, 
389 
sterilized by heat give rise to 
pus formation, 371 
Putrefaction, 141, 665 
anaérobic bacteria active in, 142 
products of, 142 
in small intestine restrained by 
bacteria, 662 
Putrescin 147 
Pyelonephritis, proteus vulgaris in, 551 
Pyocyanin, 134, 548 
Pyogenic bacteria, 371 
Pyoktanin, germicidal power of, 197 
Pyrogallic acid in the cultivation of an- 
aérobic bacteria, 85 
Quarter evil, 347, 586 
Quinine, salts of, as antiseptics, 194 
Rassits, bacillus of intestinal diphtheria 
in, 459 
inoculations of with the diphtheria 
bacillus, 452, 455 
with hydrophobic virus, 99 
with tuberculous matter, 481 
Race immunity to disease. 234 
Rags, disinfection of, 214 
Railway cars, disinfection of, 214 
Rain-water. number of bacteria in, 682 
Ranvier’s moist chamber, 65 
Rats as propagators of bubonic plague, 
564 
Rauschbrand, 347 
Rauschbrandbacillus. 585 
anon-virulent variety of (Klein), 587 
699 
Reaction of culture media, 127 
Recurrens spirochaete, 590 
Red rays of spectrum non- germicidal, 161 
Reichert’s thermo-regulator, 90 
Relapsing fever, a disease of man, 233 
spirillum of, 590 
transmission of, by inoculation 
with infected blood, 591 
Retention theory of immunity, 250 
Rhinoscleroma, bacillus of, 496 
Rhorbeck’s thermo-regulator. 88 
Ricin, immunity against, 262, 265, 267 
Rinderpest, influence of temperature on 
the infectious material, 156 
protective inoculations against, 343 
Rinderseuche, 287 
River water, number of bacteria in, 632 
Rose, antiseptic power of, 203 
Rosemary, antiseptic power of, 203 
Rotzbacillus (see Bacillus mallei), 489 
Rouget, 287 
bacillus of, 511 
Koch’s experiments on the etiology 
of, 515 
protective inoculations against, 324 
Roux’s attenuated varieties of diphtheria 
bacillus 309 
method of producing diphtheria anti- 
toxin, 316 
incubator and thermo-regulator, 95 - 
Roux and Yersin, inoculation of the ba- 
cillus of diphtheria into rabbits, 
452 
study of the pseudo-diphtheritic ba- 
cilli, 456 
SaccuaromycetTes of Nageli, 11 
Sach’s classification of bacteria 11 
Sage, antiseptic power of, 203 
Salicylic acid, action of. on bacillus tu- 
berculosis, 478 
germicidal action of, 182 
action of, on micrococcus pneu- 
moniz croupose, 405 
Saliva, peptonizing action of, 653 
prejudicial to the action of certain 
pathogenic organisms 653 
Salmon’s immunizing experiments, 290 
Salmonson’s culture method, 79 
tube, 82 
