SUBJECT INDEX 



IIQI 



Soap, 1 80 

 bile, 185 

 effect of, on toxins, 184, 185 



Sodium 

 chloride, space lattice in, 136 

 citrate, 365 

 hippurate hydrolized to benzoic acid and 



glycocoll, 248 

 ricinoleate, 180 

 Soil. Ste also Soil fertility. Soil micro-organisms 

 antiseptics in, 66, 349 

 chemical composition of, 341 

 gases, 343 

 germicides in, 349 

 inoculation, 349 

 liming, 67, 345 

 sandy, 58 

 solution, 343 

 stored, 69 

 treatment, 344 

 Soil Fertility, Micro-organisms in, 341-50; 



225, 320 

 aeration, 344 

 nature of, 341 

 organic matter, 342 

 soluble salts, 342 

 temperature, 343 

 Soil Micro-organisms, 310-21 

 Actinomyces, 317, 321 

 activity, 320 

 Azobacter, 316, 319 

 calcium utilized, 319 

 cultivation, 313 

 distribution, 312 



and fertility, 320. See Soil Fertility, etc. 

 fungi, 317, 321 

 functions, 315-20 



assimilate ammonia, 317 



decompose organic matter, 315 



use nitrates, 317 



effect nitrogen, 316, 317 

 isolation, 313 

 nematodes, 321 

 phosphates, 319 

 population, 310 

 potassium, 319 

 symbiotic bacteria, 320 



Solids in bacterial cells, 218 

 Solubility 



and activity coefficient, 146 



and molecular orientation in surfaces, i.';9 



product, 151 

 Soluble substance, 17, 570, 572, 724, 731, 834 



Friedlander bacillus, 727 



pneumococcus, 726 



streptococci, 727 



yeast, 726 

 Solutions, theory of, 739 

 Sorbitol, 235 

 Souring of 



milk, 383, 387, 397 



vegetables, 440 

 Soy bean 



cross-inoculation groups, 332 



nitrogen after inoculation, 336 



nodules, ^^2>, 334 

 Soy sauce, 513 



Space lattice of sodium chloride, 136 

 Species identification by precipitins, 829 

 Specific soluble substance. See Soluble substance 

 Specific substance, 8 

 Specificity 



anaphylaxis, 977 



antigens, 702, 708, 709 



antivenins, 1073 



host-parasite, 666 



tuberculin, 1027 



type 

 pneumococci, 731 

 polysaccharide, 834 



venoms, 1068 

 Spectral region, effective, 372 

 Spectrum 



germicidal region, 373 



visible, 371 



Sperm, isoagglutinable substances in, 920 

 Spheres, 131 



potential of charged, 169 

 Spiral forms, 131 

 Spirella, 453 

 Spirillaceae, 42, 132 



pleomorphism of, 44 

 Spirochaeta, 452, 454, 457-62 

 Spirochaela anserbia, 480 

 S. bijiexa, 485 

 5. eurygyrata, 484 

 S. gallinarum, 10, 4S0 

 S. grandis, 454 

 S. granulosa penetrans, 1 1 

 S. (?) interrogans, 454 

 S. obermeieri, 804 

 S. phagedenis, 472 

 S. plicatilis, 452, 454, 455 

 S. pseiidoiderogenes, 4S5 

 S. stenostrepta, 484 

 Spirochaetaceae, 455 



Spirochetes, 452-97; i, 2 

 aerobic, 472 



alterations from prolonged cultivation, 474 

 anaerobic, 469 

 antigens, 835 



carbohydrates in cultivation, 474 

 classification, 452 

 cultivation, 469 

 filterability, 467 

 of genitalia, 483 

 granules, 9, 11 

 groups,_ 475 

 immunity against, 468 

 individual, 475 

 intestinal, 484 



motility and its mechanism, 9, 11, 462 

 of mouth, 481 

 multiplication, 9 



