INDEX 



Abderhalden, protective 

 fermenti of, 532, 

 533, 534 



Abderhalden's reaction, 534 

 Abscesses, secondary, 

 caused by bac- 

 teria, 25 



Absorption theory in tox- 

 in-antitoxin reac- 

 tion, 123 



Acne, opsonic index in 

 vaccine treatment 

 of, 339 



Adrenal cytotoxin, 92 

 Agglutination, absorption 

 experiments of 

 Castellani on, 232 

 acid, 246 



value of, for differen- 

 tial purposes, 240, 

 247 



action of salts in, 240 

 agglutinability of bac- 

 teria in, in agglu- 

 tinoids, 229 

 normal differences in, 

 between strains 

 of same species, 

 228, 229 



agglutinins in, 223. 224 

 absorption of, 232 

 complete, impossi- 

 bility of. 232 

 heating of, 226 



explanation of, 236 

 major, 229 

 normal, 233 



explanation of. 234 

 qualitatively identi- 

 cal with "im- 

 mune" agglutin- 

 ins, 234 



para- or minor. 229 

 agglutinogen in, 223, 224 

 effects of heating of, 



226 



localization of, in ec- 

 toplasmic layers 

 of cells, 224 

 agglutinoids in, 235 

 biological relationship 



and, 230 

 Bordet's explanation of, 



240 

 by means of cell body 



proper, 225 



by means of ectoplasmic 

 substances of bac- 

 teria, 224, 225 

 by means of flagella, 



224. 225 

 cataphoresis of bacteria 



in. 242, 243 

 description of, 218 

 effect of gelatin addition 

 in mastic solu- 

 tion on, 244 



Ehrlich's interpretation 

 of process of, 234 



Agglutination, Ehrlich's in- 

 terpretation o f 

 process of, dia- 

 grammatic repre- 

 sentation of, 235 

 Eisenberg and Yolk's in- 

 terpretation of, 

 235 



Ficker's reaction in, 223 

 flocculation of colloids 



and, 241 

 mechanism of, 241, 



242 



mutual, 242 

 group, 229 

 cause of, 230 

 diagnostic value of, 



231 



hemagglutination analo- 

 gous to, 236, 237 

 history of, 218 

 importance of electro- 

 lytes in, 240 

 in colloidal solutions, in- 

 hibition zones in, 

 245 



in excess of agglutinin, 

 colloid phenom- 

 enon and, 562 

 in immune serum, 141 

 in motile and non-mo- 

 tile bacteria, 224, 

 225 



in salt-free environ- 

 ment, by addition 

 of organic sub- 

 stances, 245 



influence of immuniza- 

 tion with different 

 animal species 

 on, 232 



with different species 

 of bacteria on, 

 232 



influence of salts on 



sensitized and un- 



sensitized b a c - 



teria in, 243, 244 



experiments of Neisser 



and Friedemann 



in, 244 



inhibition zones in, 162, 



236 



iso-agglutinins in. 237 

 grouping of, 237, 238 

 value of presence of, 



239 



methods of, 218 et seq. 

 Bordet's, 223 

 Ficker's reaction in, 



223 



Gruber-Widal, 220 

 macroscopic. 219 

 microscopic, 220 

 Proescher's, 220 

 thread reaction of 

 Pfaundler, 222, 

 223 

 nature of, 223 



565 



Agglutination, not associ- 

 ated with life of 

 bacteria, 222, 223 

 of "agglutinin" bacteria, 



243 



of bacteria in active im- 

 munization, 89 

 of capsulated bacteria, 



243 



phenomenon of, 218 

 power of, alterations in, 

 by cultivation in 

 immune serum, 

 228 

 effect of heating on, 



226 

 spontaneous alteration 



in, 227 



pro-agglutinoid phenom- 

 enon in, explained 

 as protective col- 

 loid action, 236 

 pro-agglutinoid zone in 



162 



pro-agglutinoids in, 235 

 relation of flagellar 

 mechanism t o, 

 222 



specificity of, 219, 229 

 diagnostic value of, in 

 group reaction, 

 231 



limitations to, 229 

 thread reaction of 

 Pfaundler in, 222. 

 223 

 "two phase" theory of, 



241 



Agglutination reaction, 

 diagnostic use of, 

 220, 221, 222 

 flagellar mechanism in, 



222 



in diagnosis of dysen- 

 tery, 221 

 of glanders in horses, 



222 

 of paratyphoid fever, 



221 



of pneumonia, 221 

 of streptococcus in- 

 fections, 222 

 of typhoid fever, 220, 



221 



nature of, 239 et seq. 

 precipitin reaction anal- 

 ogous to, 263 " 

 with dead bacteria. 



223 

 Agglutinins. 223 



absorption of, in agglu- 

 tination. 232 

 complete, impossibil- 

 ity of. 233 



bacteriotropins and, 321 

 definition of, 89 

 group : 



major, 229 



para- or minor 229 



