H.Dinobryon 12.Sy ncry t>ra 13. Anrho|>hysa 14.Rhi|>idodendron 



FIG. 13. Various forms of Mastigophora. In 2, flagellate (a) and amceboid (/>) 

 phases are shown ; in j", flagellate (a) and heliozoan (/>) phases ; in 8 are shown 

 two stages in the ingestion of a food particle (f.) ; chr. chromatophores ; 

 c. vac. contractile vacuole ; f. food particle ; g. gullet ; nu. nucleus ; /. lorica ; 

 /. protoplasm ; per. peristome ; v. i. vacuole of ingestion. (Mostly from Biitschli's 

 Protozoa, after various authors.) 



