784 INDEX. 



PAGE 



therapy, 592, 608 ; streptococcus in, 520, 522 ; tis- 

 sue changes in, 20, 588, 591 ; tuberculin in 

 diagnosis, 599, 607 ; ulcerative, 585 ; vaccination 

 against, 609. 



Tumors, influence of streptococcus on 529 



Turtle poison, antitoxin for 2o:{ 



Typhoid fever 25, 433-449 



Agglutination reaction, 23, 209, 448, 449 ; antibodies, 

 origin of, 320 ; bacillemia, 437 ; bacilli, distribution 

 in the body, 437, 438 ; blood cultures for diagnosis, 

 438, 449 ; "dust" infection, 436, 437 ; epidemiology 

 of, 435 ; flies as carriers, 436 ; immunity and sus- 

 ceptibility, 161, 167. 169. 439 ; infection atrium, 

 437 ; leucocytes, 439, 442 ; leucotoxin in experi- 

 mental infections, 298 ; mixed immunization, 378 ; 

 mixed infections in, 439 ; prophylaxis, 442 ; serum 

 properties, 132 ; serum prophylaxis, 443 ; serother- 

 apy, 374, 447 ; therapy, active immunization, 448 ; 

 therapy of Jez. 447 ; vaccines and vaccination, 166, 

 362, 443, 446 ; see B. typhosus. 



Typhus fever 25, 725-728 



Conditions for development, 726 ; contagiousness, 726 ; 

 endemics of, 725 ; immunity in, 727 ; micro-organ- 

 isms in. 727 ; occurrence, 725 ; transmission to ani- 

 mals, 727 ; transmission by lice. 727. 



TJltramicroscopic micro-organisms 27 



Undulant fever ; see Malta fever. 



Univalent serums 533 



Urease 203 



Vaccination 5, 165, 362-364. 376-380 



Antibodies produced by. 377 ; duration of resistance 

 caused by, 376 ; incubation period, relation to, 378 ; 

 see Smallpox and Hydrophobia ; "positive" and 

 "negative phases," 377 ; substances used for, 362- 

 364 ; see the individual diseases. 



Vaccines 362-364, 376-380 



See the individual diseases. 



Vaccinia ; see Smallpox and Vaccinia. 



Varicella ; see Chickenpox. 



Variola inoculata 734 



Variola ; see Smallpox. 



Venoms 1, 177, 191, 198, 273-275, 428-431 



Amboceptors and complements, 273, 274, 430 ; anti- 

 venins, 174, 430, 431 ; character of, from different 

 snakes, 429 ; cobralecithid, 275, 429 ; cytotoxins of, 

 429 ; endocomplements for, 274, 430 ; endothelio- 

 toxin of, 428 ; ferments of, 429 ; hemagglutinins of, 

 428 ; hemolysin of, 273, 428 ; hemorrhagin, 273, 

 428 ; incubation period, 177, 431 ; lecithin as com- 

 plement, 274, 430 ; neurotoxin of, 273, 428 ; radium, 

 effect of, 431 ; structure of cytotoxins of, 429 ; tox- 

 ins of, 273; toxoids of, 428. 



Vibrio cholerce. 



Acquired immunity to, 316 ; action of gastric juice on, 

 141 ; active immunity, formation of specific precipi- 

 tin in, 479 ; agglutination of, by normal serum, 206 : 

 agglutination of, 480 ; agglutinins. 206 ; attenuation 

 of, 161 ; autolytic products, vaccination with, 478 ; 

 discovery, 469 ; endotoxin of, 475 ; identification of, 

 by agglutination reaction and by Pfeiffer experi- 

 ment, 471 ; in Pfeiffer's phenomenon, 247 ; in stools 

 of convalescents, 472 ; location in infected body, 

 475 ; morphology, staining properties and cultiva- 





