INDEX 



179 



Thennal death point, 28. 

 Thermogenic bacteria, 43. 

 Tick, 157. 

 Toxaemia, 49. 

 Toxins, 44, 120. 

 Transmission of infection, 51. 

 Treponema paliidum, 81. 

 Trypanosomes, 157. 

 Tsetse-fly disease, 157. 

 Tuberculin, 96. 

 Tuberculosis, 85. 

 Typhoid fever, 108. 



Ulcerative endocarditis, 68. 



Vaccination, 116, 152, 163. 

 Venereal diseases, 76. 

 Virulence, 48, 66. 



Whooping cough, 169. 

 Widal reaction, 65, 115. 



Yellow fever, 169. 



