.500 



Index 



365; toxone (tetanolysin) of, 349, 362; 

 local reaction to, in horse, 352 ; heredity 

 of immunity against, 446, 448, 450 



Texas fever, acquired immunity of Bovidae 

 against, 247, 279 ; attenuation of parasite 

 of, in the tick, 247 ; haematozoon in dog 

 closely allied to that of, 279 



Thetys, 517 



Thymus gland, immunising power of, 293 



Tick, attenuation of parasite of Texas fever 

 in, 247 



Tonsils, protective function of, 428 



Torulae as adjuvant organisms, 426 



Toxins, immunity against, 10; immunity 

 of unicellular organisms against, 19; 

 adaptation of bacteria to, 21-27; of yeasts 

 to, 20, 26; of plasmodiato,30; action of, 

 on Infusoria, 19, 326; composition of, 

 120; neutralisation of, not necessary for 

 phagocytosis, 205, 289; immunity against 

 micro-organism not same as against 

 toxin, 251, 290 ; protective fixation of, by 

 nerve elements and other cells, 386-400 ; 

 methods of immunisation by modified 

 and unmodified, 345-347 (see Immunisa- 

 tion); local reaction in immunisation 

 against, 352 ; action of normal serums 

 on, 365 ; of non-specific serums on, 365 ; 

 protective action of fats against, 387; 

 leucocytic reaction against, 393-400; 

 absorption of, by the conjunctiva, 409; 

 by the respiratory channels, 414; de- 

 struction of, by the intestinal organisms, 

 427; attenuation of, 344; natural im- 

 munity against, 325-341; artificial im- 

 munity against, 342-402; against bac- 

 terial, 343; against vegetable, 344,365; 

 heredity of immunity in phanerogamic, 

 446, 449 ; susceptibility of nerve centres 

 to, 564 



Toxoids, 349 (see also Toxophore); im- 

 munisation by, 350 



Toxones, 349, 362; method of immunisa- 

 tion by, 349 



Toxophore atomic group in toxin (=toxoid), 



Trichinae, mechanical action of, 3 

 Tristeza (syn. Texas fever), 247 

 Tropidonotus. See Snake 

 Trypanosoma, 4, 129, 147; brucei, 9; 



lewisi, 173, 248 

 Trypanotomata,tate of, in refractory animal, 



L73; acquired immunity against, 247- 



249, 316; and agglutinative power, 278 

 Trypsin, antitoxic power of 424 

 Tsetse fly, 4, 9, 129, 247 

 Tubercle bacillus, formation of sheath by, 



22, 183 

 Tuberculin as a protective substance against 



cholera vibrio, 320 



Ta ^ e ulosi8 ' mechanical etiological factors 

 Tuberculosis, bacillus of, 22, 42, 143; avian, 



41,148,149, 182; human, immunity of 

 pigeon against, 147; acquired immunity 

 in, 436; after scrofula, 436; Koch's 

 phenomenon in, 437 



Tumours, malignant, probability of dis- 

 covery of parasite of, 3; use of erysipelas 

 streptococcus in, 434 



Turtle, natural immunity of, against tetanus 

 toxin, 332, 386 



Typhoid, protective power of serum of con- 

 valescents from, 437440; its agglutina- 

 tive power, 439; serum diagnosis of, 256, 

 257, 261, 439; immunity against, not 

 acquired by suckling, 450; vaccinations 

 against, 479, 481-486; Wright's vaccine 

 against, 482 ; bactericidal power of serum 

 from persons immunised against, 483; 

 statistics of vaccinations against, 483- 

 485 



Typhoid bacillus, 23, 143, 191, 198, 203; 

 acquired immunity against, 230; at- 

 tenuated Pfeiffer's phenomenon in, 230, 

 303, 304; agglutination of, 260, 261, 

 380, 439; resistance to agglutinated, 263 ; 

 protective action of serums against, 272- 

 274, 293, 317, 319; origin of protective 

 substance against, 292; of agglutinative 

 property against, 294 ; protective action 

 of various fluids against, 320; passes un- 

 injured through stomach, 418; trans- 

 mission by suckling, of agglutinative 

 power against, 450 



Typhoid infection, experimental, in labora- 

 tory animals, 230, 267; influence of 

 anticytase serum on, 371; uncertainty of, 

 by ingestion, 423 



Typhoid septicaemia, experimental, here- 

 dity of immunity against, 447 



Tyrosin, protective action of, 387 



Unicellular organisms, immunity in, 11-28; 



infective diseases of, 12; irritability of, 



27; adaptation of, to saline solutions, 23, 



515 



Unit, Ehrlich's immunising, 373, 496 

 Urinary ferments, 66 

 Urinary organs, protective function in, 431 

 Urine as a protective fluid, 320, 431 ; pepsin 



in the, 65 ; amylase in the, 65 



Vaccination. See also Immunisation 

 Vaccinations, protective, 208, 241, 267, 

 454-504, 507; with attenuated micro- 

 organisms, 509 



Vaccine against fowl cholera, 208 

 Vaccines against anthrax, 208, 470, 509; 

 against swine erysipelas, 208, 473, 509; 

 against rabies, 208, 462, 463-464; against 

 symptomatic anthrax, 471 ; against small- 

 pox, 455-457, 507; against pleuropneu- 

 monia, 477; against cholera, 481; against 

 plague, 487, 489, 490; against tetanus, 



