II 



PHYLUM PROTOZOA 



73 



varied modes of nutrition. Many of the lower forms, such as 

 Heteromita, live in decomposing animal infusions : they have 



3.Asrosiopsi 

 2.0ikomonas(?) 



II.Dinobryon 12. Sy ncry {jfr, o 13. A^ho|>hysa H.Rhi|>iclodendron 



FIG. 53. Various forms of Tlagellata. 'In 2, flagellato (a) and amoeboid (ft) phases are 

 shown ; in 5, flagellate (a) and heliozoan (b) phases ; in 8 are shown two stages in the 

 ingestion of a food-particle (/.) ; chr. chromatophores ; e. vac. contractile vacuole ; /. food 

 particle : g. gullet ; nu. nucleus ; 1. lorica ; p. protoplasm ; per. peristome ; v.i. vacuole 

 of ingestion. (Mostly from Biitschli's Protozoa, after various authors.) 



neither mouth nor gullet and take no solid food, but live by 

 absorbing the nutrient matters in the solution ; their nutrition is, 



