INDEX. 1 1 1 



PAGE 



Tubercle bacilli in expectoration in tuberculosis of lungs . . .60 



" " " the bodies of apparently he ilthy persons . . . 67 



" " mode of action in causing consumption . . .60 



" " not easily killed by drying ..... 65 



u " spread of, by diseased meat and bad milk . . .64 



44 " the sole direct cause of consumption . . -59 



ki " vulnerability of, when growing with other germs . . 64 



Tuberculosis . . . . . . . . . 55^ 5 6 



44 bacilli of, mode of action in causing . . . .60 



44 frequency and mortality of ..... 61, 62 



heredity of . . . . . . -59 



44 in other parts of the body than the lungs . ,. . 60 



44 localized . . . . . . .67 



mode of transmission of . . ... ... 64 



44 predisposition to- . . . . -59 



41 spread of, by meat and milk ..... 64 



4 "' " " dust 58 



Tucker, air analysis by . . . . . . . 23, 31 



Typhoid fever . . . . . . . 55 



Ventilation, effects of, on floating dust . . . 28 



Vigilance necessary to prevent spread of bacterial diseases . .88 



Webster's definition of dust . . . . . ,.2 



Wind, effects of, on floating dust and germs ..... 22 



Yeasts .... ..... 7 



Yellow fever ........ -55 



THE END. 



