MORPHOLOGY 



45 



axial filament 



cytoplasmic sheath 



\ / 



Fig. 8. Diagrams of flagella. a, flagellum of Euglena (Biitschli); 

 b, flagellum of Trachelomonas (Plenge); c, ciliary flagellum with one 

 row of cilia; d, a ciliary flagellum with two rows of cilia; e, whip- 

 flagella of Pohjtoma uvella; f, ciliary flagellum of Urceolus cyclostomus; 

 g, the flagella of Monas socialis (Vlk) . 



