660 



INDEX. 



Sections, 



simple stain, 538, 540 



tubercle stain, 543 

 Sedgwick-Tucker's air apparatus, 454 

 Seed, 20, 47, 87 

 Segmentation, 393 

 Septicemia, 368, 374, 382, 383 

 Septicemic, 68, 300 

 Serum media. 242 



agar plates, 242 



agglutination, 319, 487, 505 



anti-infectious, 344, 484, 487 



antitoxic, 344, 478, 483, 484 



Loffler's, 242, 468 



normal. 488, 505 



Pfeiffer's reaction, 487 



see blood-serum 



sterilizer, Koch's, 466 

 Roux, 465 

 Sewage, 444 

 Sheath, 30 

 Silk threads, 517, 523 



worm disease, 391 

 Skatol, 94, III 

 Slimy beer, milk, etc., 29 



fermentations, 104 

 Smegma bacillus, 326 

 Smut, corn, 392 

 Snake venom, 83 

 Snow, 65, 441 

 Sodium benzoate, antiseptic action, 528 



carbonate, 154, 275 



hydrate, 154 



deci' normal, 154 

 normal, 154 

 Soil, 444 

 ' analysis, 448 



bacteria in, 65, 69, 70, 73, loS 



filtering action of, 443 



number of bacteria, 446 



pathogenic bacteria, 446 



vitality of bacteria in, 447 

 Soluble ferments, 86 

 Soorpilz, 402 

 Species, identification of, 19 



origin of, 23 



variability of, 23 

 Spherical aberration, 124 



bacteria, 17 

 Spirillum, 17, 46 



anserini, 372 



Obermeieri, 372 



rubrum, 115, 224 



see vibrio 



undula, 27 

 Spirochsete, 18, 372 

 Splenic fever, 296 

 Spontaneous combustion, 121 



Spontaneous, 



generation, 56, 161 

 Sporangium, 389, 390 

 Spores, characteristics of, 51 



double stain, 290 



feebly resistant, 393 



formation of, 47-51, 81' 



germination of, 52, 75 



of moulds, 389 , 



of streptotrices, 392 



of yeasts, 386 • 



resistance of, 55, 162, 165, 214, 519. 



staining of, 55 



structure of, 54 

 Sporogenic granules, 31, 32, 48 

 Sporulation, 48 

 Spring-water, 443 

 Sputum in influenza, 360 



in leprosy, 320 



in pest, 358 



in pneumonia, 337 



in tuberculosis, 324, 325 



septicemia, 338 

 Stab qulture, 189 

 Stage micrometer, 137 

 Staining cover-glasses. Gram's, 287 

 simple, 145-151, 191, 287 

 tubercle bacillus, 324, 543 



fiagella, 316 



glass-slides, 280 



sections. Gram's, 541 



■ simple, 538, 540 

 ' tubercle bacillus, 543 



' Stains, 146 



bottle for, 147, 150 



heating of, 1 50 



preparation of, 146 

 Stand of microscope, 135 

 Staphylococcus, 44, 45 



pyogenes albus, 366 

 aureus, 25, 114, 366 

 citreus, 366 

 Starch, 86, 87, 98, 112, 115 



splitting ferments, 85 

 Steam-heat, 56, 161 



Jesting action of, 516 



under pressure, 56, 165 

 Steam sterilizer, 163 



under pressure, 165 



superheated, 167 • 

 Stearic acid, 90 

 Sterigmse, 390 

 Sterile media, 155 

 Sterilizaticin, 159 



at 58°, fractional, 464 



at 100°, fractional, 162, 465 



by filtration, 464 



failure of, 162 



