52 MORPHOLOGY AND CULTURE OF MICROORGANISMS. 



are attached to the cytoplasm of the cell. Whether these flagella pass 

 through openings in the cell wall, or are attached in some way exteriorly 



FIG. 32. i, Chromatium okenii; 2, Bacterium lineola; 3, 4 and 5, sulpho-bacteria ; 

 7, Ophidomonas jenensis; 8 and 9, spirillum undula; 10, Cladothrix dichotoma. (After 

 Butschlifrom Guilliermond review. Bull. Inst. Past.) 



FIG. 33. Microspira comma. 

 Monotrichous bacteria. (After 

 Migula from Schmidt and Weiss.) 



FIG. 34. Pseudomonas 

 Monotrichous bacteria. 

 from Schmidt and Weiss.) 



tocy ane a. 

 fter Migula 



is a question that cannot be answered definitely. But in either case 

 these flagella possess the property of cytoplasm, i.e., that of irritability, 

 and are not to be considered as analogous to mere levers or oars to 



