546 



INDEX OF SUBJECTS 



V a u g h a n and Wheeler, 

 work of, on toxic 

 fraction of pro- 

 tein molecule in 

 anaphylaxis, 393 

 Virulence, aggressin secre- 

 tion of bacteria 

 in body and, 20-22 



capsule formation of 

 bacteria and, 18 



definition of, 11 



dependent on resistance 

 of bacteria to leu- 

 kocytes in pha- 

 gocytosis, 325 



ectoplasmic hypertrophy 

 of bacteria in re- 

 lation to, 19, 20 



effect of body tempera- 

 ture on, 12 



effect of cultural adap- 

 tation of bacteria 

 on, 12 



effect of path of intro- 

 duction of bac- 

 teria on, 12-14 



effect of quantity of bac- 

 teria introduced 

 on, 14 



increase of, by attenua- 

 tion of bacteria, 

 17 



measurement of relative 

 deg ees of, 15 



of capsulated bacteria, 

 326 



relation of, to phagocy- 

 tosis, 312 



relative to number of 

 bacteria intro- 

 duced, 15 



specificity of bacteria 

 and, 22 



variation in, of bacteria 

 successiv ely 

 passed through 

 animals, 16. 17 

 of different strains of 

 same bacteria, 15, 

 16 



Virulins, 22, 326 

 "Virus fixe" in treatment 

 rabies, 490 



Wassermann reaction, 198 



alexin fixation principle 



in, 198 



not by union of spe- 

 cific syphilitic an- 

 tigen with spiro- 

 chseta pallida an- 

 tibodies, 204 



alexin titration in, 206 



antigen preparation for, 



200 

 by addition of choles- 



trin, 201 



by method of Brown- 

 ing and Cruik- 

 shank, 201 

 by method of Noguchi, 



200 

 by methods of Forges 



and Meier, 200 

 by methods of Weil 



and Braun. 200 

 titration in, 202 



diagnostic value of, 210, 

 211 



in diagnosis of syphilis, 

 198 



in diseases other than 

 syphilis, 210 



in normal organs, 200 



Klausner theory in, 

 204 



precipitation in, by addi- 

 tion of syphilitic 

 serum to lecithin 

 emulsions, 204 



produced with syphilitic 

 serum in antigens 

 from normal or- 

 gans, 200 



specific antigen from 

 spirochaeta pallida 

 cultures unsuit- 

 able in, 203 



Wassermann reaction, 

 spinal fluid used 

 in performance of, 

 210 



technique of perform- 

 ance of, 207 

 Bauer's modification 



of, 209 

 Noguchi's modification 



of, 208, 209 

 schematic presenta- 

 tion of, 209 

 refrigerator method in, 



208 

 Stern's modification of, 



209 

 schematic presentation 



of, 207 



theories of, 204, 205 

 titration of hemolytic 

 amboceptor o r 

 sensitizer in, 

 205 



ultramicroscopic method 

 of finding precip- 

 itates in syphili- 

 tic sera in, 204 

 Weigert's law of overcom- 



pensation. 128 

 Wright's method of stand- 

 ardization of vac- 

 cines. 352, 353 

 Wright's technique for de- 

 termination of op- 

 sonic index, 330 

 et seq. 



difficulties in, 332, 333 

 value of, 333 

 Wright's studies of bac- 

 tericidal and ag- 

 glutinating pow- 

 ers of blood se- 

 rum, 328 



Yellow fever, susceptibility 



to, 55 

 Yersin anti-plague serum, 



478-480 



