It.Dinobryon 12. Sy ncry f>r a 13. Anhho^hysa H.Rhit>idodendron 



Fig. 13.— Various forms of Mastigophora. In.', flagellate (a) and amoeboid (b) 

 phases are shown; in 5, flagellate (a) and heliozoan (6) phases; in 8 are shown 

 two stages in the ingestion of a food particle {f}\ chr, chromatophores; 

 c. vac, contractile vacuole; /, food particle ; g, gullet; rut, nucleus; /, lorica; 

 /, protoplasm; per, peristome; 7'. t, vacuole of ingestion. (Mostly from Biit- 

 schli's Protozoa, after various authors.) 



37 



