20 



ESSENTIALS OF BACTERIOLOGY. 



FIG. 3. 



Flagella. 



Successive divisions take place, the new members either exist- 

 ing as separate cells or forming part of a community or group. 



FJG. 4. 



/-; 



1 Z 3 



Division of a Micrococcus. (After Mac6.) 



*._.. .-* 



/ 





^ 



Division of a Bacillus. (After Mace".) 



Spore Formations. Two forms of sporulation, Endosporous 

 and Artlirosporous. A small granule develops in the protoplasm 



