SPECIAL CHARACTERS 



27 



Some bacteria are able to move from place to place 

 in a fluid medium. This is due to the presence of 



FIG. 5 



Capsule stain by Hiss' method. Rhinoscleroma bacillus. X 1000. (Thro.) 



FIG. 6 



XV 



A 



Bacilli showing one polar flagellum. (Park.) 



extremely fine filamentous extensions from the cell 

 wall, which upon microscopic examination look like 



