THE EUGLENOIDINA OF OHIO 



347 



6. 



7. 

 8. 

 9. 



13 



Fig. 1, A Typical Euglenoid. 



1. flagellum. 14. 



2. axial filament. 15. 



3. flagelloplast. 16. 



4. collar. 17. 



5. cytopharynx. 18. 

 stigma. 19. 

 reservoir. 20. 

 secondary vacuole. 21. 

 primary vacuole. 22. 



10. double filament. 23. 



11. pharyngeal rod. 24. 



12. paramylon (ant. prim, gran.) 25. 

 paramylon (secondary gran.) 26. 



nucleus (periph. area). 



nucleus (cent. area). 



basal granule. 



chloroleucite. (regular). 



stria. 



punctuations. 



paramylon (post. prim, gran.) 



periplast. 



protoplast. 



chloroleucite (irregular). 



pyrenoid. 



interstrial area. 



tip. 



3. Development. 



Reproduction may occur by asexual vegetative division or by 

 sexual reproduction, although substantial evidence as to the 

 various phases in the latter is still absent. 



