686 



INDEX. 



Smegnia bacillus, staining pecu- 

 liarities of, 364 

 Smith, Theobald, 374 

 Soil, bacteriological analysis of, 

 645 



nitrifying bacteria in, 528 



organisms present in, 528 



phenomena in operation in, 528 

 Spallanzani, 22, 23, 24, 29 

 Special media, 131 

 growth in, 197 

 Sphaerotilus, 57 

 Spirilla, 58 

 Spirillaceae, 55 

 Spirillum, 55 



of Asiatic cholera (see Cholera). 



of Metchnikovi (see Microspira 

 Metchnikovi). 



Schuylkilliensis (see Microspira 



Schuylkilliensis). 

 Spirochaeta, 56 

 Spirosoma, 55 

 Spores, formation of, 61, 63 

 method of studying, 207 



mode of development of, 63, 66 



recognition of, 61, 64 



staining of, 183 



Sputum, inoculations with, 327, 

 329 



microscopic examination of, 

 327 



pathogenic properties of, 329 



septicaemias, 327, 330 



tuberculous, 315, 327 

 Stab-cultures, 162 

 Staining, methods and solutions 

 used in, 167 



acetic acid, 182 



Bunge's, 188 



Duckwall's, 189 



Gabbett's, 181 



general remarks on, 177 



Gram's, 182 



Koch-Ehrlich's, 175 



Loffler's blue, 175 

 flagella, 185 



Molar's, 185 



of spores, 183 



of tubercle bacteria, 174 



ordinary solutions used in, 173 

 bottles for holding, 174 



Staining, van Ermengem's, 191 



Ziehl-Nielsen's, 176 

 Staphylococci, 58 

 Staphylococcus epidermidis albus, 



281 



pyogenes albus, 280 

 aureus, 271 



cultural characters of, 272 



pathogenesis, 274 



toxin of, 279 



where to be expected, 273, 



285 



citreus, 280 

 Staphylotoxin. 278 

 Sterilization, chemical, 76, 87 

 by heat, 69, 71 



principles involved, 71 

 by hot air or dry heat, 85 

 apparatus used in, 86 

 by steam, 72 



apparatus used in, 83, 84 

 discontinued, 73, 75 

 fractional, 75, 78 

 under pressure, 79, 83 

 experiments upon, 649 

 intermittent, 73, 75 



at low temperature, 78 

 methods employed in, 72 

 principles involved in, 71-84 

 use of the term, 69 

 Sternberg, 332 

 Strauss's method for diagnosis of 



glanders, 397 

 Streptococci, 58 



mode of multiplication, 59 

 Streptococcus, 53 

 pyogenes, 281, 285 

 biology of, 281-285 

 curative serum, 287 

 effects of, in inoculation, 285 

 longus and brevis, 287 

 morphology of, 281 

 where found, 281, 285 

 of sewage, 639 



Streptothrices, pathogenic, 376 

 Streptothrix, 56 

 Subtilis bacillus, 651, 665 

 Sugar-splitting enzymes, 37, 39 

 Suppuration, 271 



bacteria common to, 271, 280, 

 291 



