168 



IDENTIFICATION OF BACTERIA 

 FIG. 96 FIG. 97 



Moist raised colonies with no visible structure, 

 looking like a drop of water. 



Deep colonies, usually either light 

 brown, gray, or yellow in coloi, 

 opaque, with little marking. 



FIG. 98 



FIG. 99 



FIG. 100 





a 



The colonies very finely 

 granular, with or without 

 twisted threads at borders. 



Colony in gelatin. The 

 centre is coarsely granular 

 in partly fluid gelatin. 

 The borders are formed of 

 wavy bands of threads. 



Colonies opaque in centre, 

 with lighter borders. The 

 margin is coarsely granular. 



FIG. 101 



FIG. 102 



FIG. 103 



Colonies circular in form, 

 composed of radiating 

 threads. 



Colonies with opaque 

 centres, with a thin 

 border fringe. 



Colony showing a network 

 of threads which is thicker 

 in centre. 



Figs. 96 to 103 from Lehman and Neumann. 



