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 okenli; 2, B-actcrium lineola; 3, 4 and 5, sulpho-bacteria; 

 7, Ophidomonas jenensis; 8 and 9, Spirillum uiuhila; 10, Cladothrix dichotoma. (After 

 Biitschlifrom Guilliermond review, Bull. hist. Past.} 



x\/ 



F IG - 33- Microspira comma. 

 Monotrichous bacteria. (After 

 Migula from Schmidt and Weiss.) 



FIG. 34. Pseudomonas py ocy an ea. 

 Monotrichous bacteria. (After Migula 

 from Schmidt and Weiss.) 



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 



