INDEX. 



Abscess . . 



Agar, as culture-medium for bacteria . -34 



Air, as source of bacterial infection . 



Albany, water supply of . . 



Amoeba ... . 4 



Asiatic cholera . ;. 9, ' ! 



Bacilli ' . . ' 4 



Bacillus of asiatic cholera . 



" " tuberculosis 

 " " typhoid fever . 



11 prodigiosus . . .48 



Bacteria, action of cold on . . 



li always derived from other bacteria . " 

 " antagonistic species of . 



chemical substances formed by . 



11 classification of . 39 



color-forming . 46, 47i 4 



'' consumption of, with food 

 " cultivation of, in agar . ... 



41 " beef-tea 



" " " kl gelatin -33 



" " lk " potatoes . . 3 



11 development of, in hay infusion 



' l disease-producing -53 



" forms of . . J 5 



" ik n co lonies of ... 



" in air .... 10 9 



"food ... 10 3 



" kl ice . . 45 I 3 * V 



" " relation to oxygen ... 44 

 "water . . ..... "6 



" ll wine- and beer-making ...... 43 



* l mode of multiplication of J 7 



139 



