



b. 



Fig. 17. a. Acetomonas suboxydans var. roseum, F-16. Polar miilti- 

 trichous flagellation. The soma below the flagella is stained rather faintly. 



b. A. suboxydans, B-72. Two organisms, one with a tuft of five typical 

 polar flagella and the other with a single short flagellum. 



c. A. melanogena, F-8. A typical tuft of polar flagella extending up from 

 the faintly stained soma. 



d. A. melanogena, B-58. A typical tuft of five polar flagella with a more 

 faintly stained soma. 



a, b, c, d. From E. Leifson, Antonie van Leetnvenhoek, ]. Microbiol. Serol. 

 20, 102-110 (1954). 



45 



