INDEX— VOLUME II STARTS ON PAGE 971 



xliii 



Unimolecular reaction, similarity of disinfec- 

 tion to, 137-140 



Unit of antitoxin, 238 



Unitarian conception of antibodies, 248, 285 



Uracil, 71 



Urethra, normal flora of, 1997 



Uric acid, fermentation of in dififerentiation of 

 coli-aerogenes group, 664 



V factor in relation to growth of H. influenzae, 



790-793 

 Vaccination, 1888-1895 



complications of, 1894 

 Vaccine therapy. See under individual 



Vaccinia, 1884-1895. See also Smallpox and 

 Chapter 55 

 elementary bodies in, 953, 1887 

 generalized, in man, 1894 



in rabbit, 1228 

 presence of virus in circulating blood, 

 1233, 1889 

 Vagina, normal flora of, 1996 

 Variation of bacteria, 288-307. See under 

 individual species for variation in each 

 a. and ^ phases of antigens, 279, 716 

 as a guide to antigenic structure, 276 

 bacteriophage as cause of, 327, 340 

 biochemical reactions, in relation to, 292 

 colony form, in, 299 

 correlated variations, 290 

 H -> variation, 276, 291, 717, 

 impressed variations, 290 

 in relation to enzyme systems, 295 

 to epidemic spread, 1260 

 in size, 358 



during growth, 85 

 induction of, 304 

 morphology in, 290 

 mucoid variants, 300, 718 

 pigment production, in, 299 

 p variants, 303 



smooth -> rough (S -^ R) variation, 277, 

 278, 299, 717 

 production of by growth in immune 

 sera, 304 

 specific and group phases of flagellar (H) 



antigens, 278, 716 

 spore-formation in, 291 

 terminology employed in, 288 

 transmutation, 305 

 virulence in, 303, 306 

 Varicella, 1901 

 Variola. See Smallpox 

 Veillon tube, use of in obtaining pure cultures, 



353, 752 

 Verruga peruana, 903, 1796,. 1797 

 Vesicular exanthema of swine, 1908 

 Vesicular stomatitis of horses, 1907 

 Vi antigen in Bacterium coli, 715 

 Pasteurella, 114i 

 Salm. ballerup, 743 

 Salm. hormiechei, 744 

 Salm. paratyphi B, 720 

 Salm. paratyphi C, 731 

 Salm. typhi, 717, 719, 720, 735, 1525, 1547 

 Viable count of bacteria, 81 



Vibrio, 514-527 



antigenic structure of, 519 

 biochemical characteristics of, 516 

 chemical analysis of, 520 

 fermentative classification of, 517 

 hsemolysin formation by, 518 

 pathogenicity of, 522 

 resistance of, 516 , 

 variation of, 516, 521, 523 

 alkaligenes, 902 

 berolinensis, 525 

 cholerse, 514 et seq., 523 



disease caused by. See Cholera 

 selective media for isolation of, 516, 



1424 

 toxin production by, 518 

 danubicus, 526 



Deneke. See Vibrio tyrogenus 

 El Tor, 518 et seq., 525, 1419 

 fetus, 526, 1720 



Finkler-Prior. See Vibrio proteus 

 helcogenes, 526 

 ivanoff, 525 

 jejuni, 527 

 Massauah, 526 

 metchnikovi, 514 et seq., 525 

 Nasik, 516, 526 

 paracholerse, 520 

 phosphor escens, 522, 523, 525 

 proteus, 523, 525 

 Vibrio subtihs. See Bacillus 



tyrogenus, 523, 525 

 Vibrion butyrique. See Clostridium butyricum 



septique. See Clostridium sepiicum 

 Vincent's angina, 914, 1810 

 Viricidal antibodies, natural, 1226 

 Virulence of bacteria, 1005 

 measurement of, 995 

 relation of to infectivity, 1260 

 roughness and smoothness in relation to, 



301 

 variation in, 303, 306 

 Virulins, 1070 



Virus diseases, 1869-1981. See under in- 

 dividual diseases 

 allergy in relation to, 1241 

 characterized by catarrhal or generalized 

 infection, 1949-1971 

 by lesions of the nervous system, 



1915-1943 

 by lesions of the skin, 1884-1910 

 by tumour formation, 1976-1981 

 histopathology of, 1228 

 immunity to, 1225-1242 

 lymphogranuloma-psittacosis group of, 



1869-1880 

 mechanical factors in relation to lesions 



of, 1242 

 mechanism of infection in, 1227 

 spreading factor in relation to, 1242 

 Virus infections, mechanisms of, 1227 

 Virus pneumonias, 1875 



cold agglutinins in, 1877 

 " Virus " preparations, 1603 

 Viruses, animal, 949-967 



affinity of for special tissues, 957, 1228 

 antigenic structure of, 963, 1240 



