INDEX. 
Smith (Theobald), detection of colon ba- 
cilli in waters, 535 
identification of colon and typhoid 
bacilli in water supplies, 445 
Smoke, antiseptic power of, 206 
tobacco, antiseptic power of, 207 
Snow, number of bacteria in, 632 
Sodium borate as an antiseptic, 195 
carbonate as an antiseptic, 195 
chloride as an antiseptic, 195 
in culture media, 46 
influence of, on bacterial growth, 
128 
hydroxide, influence of, on bacterial 
growth, 184 
hyposulphite as an antiseptic, 195 
sulphite as an antiseptic, 195 
Soil bacteria, 642 
Solid culture media, 41 
Solidification of blood serum, 57 
Sour dough, bacteria of, 672 
Sozoiodol acid as a disinfectant, 179 
Spallanzani’s sterilization of putrescible 
liquids, 4 
Species not differentiated by morpholog- 
ical characters alone, 13 
Sperulina(Hueppe), general characters of, 
18 
Spirilla, general characters of, 18 
of Baumgarten, 13 
list of species found in water, 639 
movements of, 119 
pathogenic, 590 
resembling the spirillum of Asiatic 
cholera, 606 
Spirillum anserum, from blood of af- 
fected geese, 592° 
cholere asiatice, 292, 593 
- asiaticze, attenuation of, by con- 
tinuous cultivation, 601 
asiatice, biological characters, 
594 
asiaticz, influence of disinfect- 
ing agents on, 597 
asiatice influence of gastric 
juice on, 658 
asiaticze, influence of light on, 
162 
asiaticz, influence of tempera- 
ture on, 610 
701 
Spirillum cholerz asiatice occasionally 
present in healthy persons, 610 
asiaticee, phosphorescence occa- 
sionally found in, 609 
asiatice, thermal death-point of, 
155 
asiatice, vitality of, in feces, 
610 
asiatice, vitality of, when 
buried in the soil, 645 
asiatice, vitality of, in waters 
of various characters, 637 
of Ehrenberg, 3, 10 
of Finkler and Prior, 602 
pathogenesis, 603 
thermal death-point of, 155 
Metschnikovi, 604 
pathogenesis, 605 
murinum (Russell) remotely resem- 
bling the spirillum of cholera, 606 
Obermeieri, in the blood during the 
febrile paroxysms of relapsing 
fever, 590 
pathogenesis, 591 
tyrogenum (Deneke), 603 
thermal death-point of, 155 
Spirochaete, general characters, 18 
anserina (Sakharoff), 592 
of Ehrenberg, 3, 10 
Obermeieri, 590 
discovery of, 7 
Spleen, influence of, on the spirillum of 
relapsing fever, 592 
pure cultures of the typhoid bacillus 
from the, 483 
Splenic fever, 422 
Spontaneous generation proved errone- 
ous, 4 
Spores, 16 
action of acetic acid on, 182 
endogenous, 120 
germination of, 122 
influence of oxygen and temperature 
on, 123 
isolation of, by heat, 68 
resisting powers of, 5, 157 
restraining influence of temperature 
on, 166 
staining of, 31 
thermal death-point of, 58, 473 
