vi] 



THE BACTERIA OF MILK 



77 



tween 60 to 65 C. (140 to 150 Fahr.) for some time 



'h 



CM; </ ^ 



D 



V 



FIG. 13. PATHOGENIC GERMS. A, Bacillus tuberculosis (Koch); B, Spirilla 

 of Asiatic cholera (Koch); C, Bacillus of typhoid fever (Migula); D, 

 Streptococcus of erysipelas (Frankland) ; E, Bacilli of tetanus or lockjaw 

 a, individual bacilli ; 6, spores (Kitasato). 



will do much to destroy bacterial life. And here it 

 may be pointed out that there is a considerable differ- 



