INDEX 



349 



Sleeping sickness, 254 

 Smallpox plague, 206 

 Splenic fever, 184 

 Soil, fertile, 111 



barren, 112 



enriched, 114 

 Sun, the, 300 

 Sunlight, is life, 301 



woo the, 302 

 Surgery, modern, 241 



sterilize, 242 

 Syphilistic plague, 204 



Teeth, causes of decay, 252 



preserve, 253 

 Temperance, vital, 312 

 Tuberculosis, mortality, 210 



microbe, 212 



symptoms, 214 



conquer, 214 



spread, 215 



sanatorium, 221 



quarantine, 223 

 Typhoid fever, 166 

 Typhus fever, 182 



U 



University, extension, 343 



Vaccination, 285 

 Ventilate, 298 

 Victory, 325 



reward, 335 

 Vinegar, microbe, 101 



W 



Water, atmosphere, 122 



amount, 304 



surface, 304 



spring, 304 



clean, 305 

 White corpuscles, 269 



army, 270 



Whooping cough, 145 

 Wine, microbe, 70 



X-rays, 39 



Yeast, baker's, 81 



beer, 67 



butter, 91 



cheese, 99 



vinegar, 104 

 Yellow fever microbe, 195 



