CHAPTER V 

 CULTIVATION OF BACTERIA 



IN order to properly study bacteria it is absolutely 

 essential that they be grown by themselves, i. e. } not 



JT, 



a b c 



Fig. 8. Media in tubes: a, Broth; 6, agar slant; c, potato (Hiss and 



Zinsser). 



mixed with a lot of other bacteria. In other words, it 

 is necessary to obtain a pure culture. We shall assume 



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