T02 MANUAL OF BACTERIOLOGY. 



croscope their bacteria should have the same general form 

 and appearance as those seen in the colony from which 

 they were derived. This will be the case, provided the 

 colony has resulted from the development of a single bac- 

 terium or from several bacteria of the same kind. Occa- 

 sionally, however, a colony will develop from several bac- 

 teria which may not all be alike. In that case a pure 

 culture will not be obtained, and the process of plating 

 may have to be repeated. 



