530 



MICRO-ORGANISMS IN A\'ATER 



Staining of spores, 52-54 



— double, 53 



Gtinther's method of, 53 



Fiocca's method of, 54 



Sta^phylococcus 2)yogenes aitreus, 

 498 



behaviour of, in ice, 252 



discovery of, in mud, 259, 



260 



vitality in water of, 320 



Stellatus, M., 503 

 Sterilisation, intermittent, 2 



— by steam, 2 



— — hot air, 3 



filtration, 4. {See also under 



Filtration and Filters) 

 chemical agents, 6 



— of water by heat, 181-184 

 Stolonatus, JB,, 485 

 Stoloniferus, B., 464 

 Stone filters, 181 



Storage, effect of, on bacteria in 

 water, 99, 126, 131-142, 184 



Streptococcus pyogenes, vitality of,, 

 in water, 321 



— erysipelatis, vitality of, in water, 

 321 



Streptothrix Foersteri^ 518 

 Suhflavus, B., 447 

 Subsidence {see Sedimentation) 

 SuhtiUs, B. 417 



— use of, in anaerobic cultures, 40, 

 41 



Bulfwrewm^ B., 458 



Sulphate of alumina, agitation of 



water with, 202 

 Sulphuretted hydrogen, production 



of, by bacteria, 14-16 

 Superficialis^ B., 434 

 Swine plague, bacillus of, vitality 



in water of, 324 



Tartaric acid added to gelatine 



peptone, 64 

 Tegel, Lake, bacteria in. 111, 143 

 Temperatures, effect of, on filtra- 

 tion, 174 



— bacterial condition of different 

 waters when heated to various, 

 182-184 



— effect of high, on tubercle ba- 

 cillus, 184 



antln'ax spores, 184 



typhoid bacillus, 184 



j Temperatures, effect of high, on 



I diphtheria bacillus, 184 



I malaria microbes, 



184 



i Koch's comma ba- 



I cillus, 184 



j on multiphcation of bac- 



' teria, 221-223, 230-232, 234, 



235 



I production of anthrax 



I spores, 383 



I — jeUy for cultivations at high, 



: 14 



! Tenue, Spirillwm, 409 

 Termo, B., 428 

 Test tubes, sterilisation of, 4, 11 



fiUing of, 10, 11 



Teta/ni, B.^ (Tetanus bacillus), 



423 



growth in broth of, 12 



discovery of, in mud, 259, 



260 



vitality in water of, 328, 330 



Tetanus, insolation and virulence of 



products of bacillus of, 385, 386 

 Tetrae:enus, M., vitality of, in water, 



322" 

 ThalassojMJ/uSj B., 468 

 Thames, river, bacteria in, 89, 90, 



119-124 

 — multiplication of bacteria in 



raw water of, 219, 234 

 ~ filtered water of, 



221-223 

 action of light on anthrax in 



water from, 376-383 

 action of hght on bacteria in, 



374 

 Thermophilus, B., 488 

 Thiothrixj 510 



— nivea^ 511 



— tenuis, 511 



— tenmssima, 511 



Thoinot's method for detection of 

 typhoid baciUus, 275 



Tholoeideum, B., 412 



Tremelloides, B., 447 



Tuberculosis, B., 422 



— effect of agitation on, in 



water, 249 



discovery of, in ditch-water, 



260 



spores (?) of, and high tem- 

 perature, 184 



vitality in water of, 319 



