222 STUDY OF THE PHYSIOLOGY OF BACTERIA 



Fig. 160. — Colony with edge en- Fig. 161. — Colony with edge 



tire as seen under ^^^the low-power coarsely granular as seen under the 

 objective. X 100. ^ low-power objective. X 100. 



Fig. 162. — Colony with edge Fig. 163. — Colony with edge 



curled, as seen under the low-power rhizoid, as seen under the low-power 

 objective. X 100. objective. X 100. 



Fig. 164. — A small deep rhizoid colony as seen under the low-power 

 objective. X 100. 



