WHAT ARE BACTERIA? 13 



BACTERIA 

 SPHERICAL BACTERIA : 



Dividing in one plain so as to form 



chains. (Fig. 3, d) Streptococcus 



Dividing in two plains and not 



forming chains. (Fig. 3, b, c.) Micrococcus 



Dividing in three plains and 



forming cubical masses. (Fig. 13.) Sarcina 



FIG. 12 MOLD COLONY ON A GELATIN PLATE 



ROD SHAPED BACTERIA: 



With flagella and consequently 



motile. (Fig. 4, . a, 6.) Bacillus 



Without flagella and consequently 



non-motile. (Fig. 3, e, f, g.) Bacterium 



