SUBJECT INDEX 



63^ 



Somatic antif^eus, common to E. 



typhosa and other or- 



fi^anisras, 391 

 Soiidoiii 's interpretation of leuro- 



eoevte count, fil 

 SOT and SOTT or PPD, nature of, 



307, 509 

 .Spatial lelationships, antigens and. 



Species, bacterial tvpes witliin, 320, 

 321 

 differences within, 375 

 homogeneity and, 351 

 immunity, 102 



rehitionsliip, precipitins and, 320 

 serological classification and, 351, 

 352 

 types and, 351 

 types within, 320, 321 

 Specific carbohydrates, V. cholerae 

 and, 364 

 microbic association, examples of, 



31 

 I'eactions, natural allergy and, 307 

 soluble substances, bacteria and, 



41, 285, 356-358 

 substances, bacteria and, 354 

 surface, 586 

 Specificity, biological and antigenic, 

 317-331 

 chemical constitution and, 348 

 examples of, in nature, 374 

 factors in antigenic, 321 

 fertilization and, 317 

 genetics and, 318 

 hormones and, 318 

 immunological, 317, 319-321 

 incompatability of species and, 317 

 Landsteiner 's views, 195 

 nonspecies, 322, 323 

 organ, 322 



position isomers and, 340 

 precipitin test and, 225 

 precipitins and, 320 

 role of haptens in, 234 

 spatial relationships and, 339, 377 

 species and type, 375 



vs. immunological, 350 

 sterioisomers and, 377 

 Speed of mixing, effect on colloids, 



593 

 Spinal fluid, effect of serum on coll 



count, 289 

 Spontaneous bovine tuberculosis, 

 studies o f Theobald 

 Smith, 541, 542 

 S])or('s. factors affecting germination 

 in infection, 295 



Stab forms, description of, 63 

 Standard reagents, Kolmer's sugges- 

 tion for, 415-417, 428-431 

 Standardization, toxin and antitoxin 



and, 247 

 Staphylococcus, experimental infec- 

 tion with, 129 

 polysaccharides in, 3(16 

 Stem cells, function of, 91 

 Stereoisomers, antigens and, 339 

 Stone in ureters, result of, 82 

 Streptococcus, Dochez N Y 5 strain 

 of, 278 

 erysipelas and, 281 

 erysipelatis, studies of, 282 

 experimental infections with, 128 

 group and type specific substances 



of, 365, 366 

 hemolytic scarlet fever and, 276 

 infection, antibodies and, 129 



passive imnmnization and, 129 

 Lancefield 's grouping of, 365, 366, 



396 

 partly labile antigens of, 38 

 rheumatic fever and, 551 

 scarlatinal toxin, unit of, 279 

 Strychnine, antibodies to, 348 

 Subgroups, blood groups and, 179- 

 181 

 importance of quantitative differ- 

 ences in, 179 

 Submaxillary glands, ducts from, 70 

 Sulfonamide compounds, use of, 288 

 effect on Lancefield group D, 288 

 references to, 303-305 

 use in endocarditis, 288 

 Suppression phenomenon, diiodotyro- 

 sine and, 344 

 explanation of, 358 

 Heidelberger and Kendall 's ex- 

 planation of, 234 

 Landsteiner 's, 376 

 description of, 234 

 Suprarenal cortex, function of, 103 



involution of, 103 

 Suprarenalectomized rats, effects of 



toxins on, 104 

 Surface antigens, masking effect of, 

 195 

 coating, requirement for agglutina- 

 tion, 217 

 potentials, 587 

 tension, 5S() 

 wetting, 589 

 Sui'gery, vasomotor ihinitis, iji}(} 

 Surveys, tuberculin, using OT and 

 MA-100, 517-520 

 using PPD, 521 



