PHYLUM PROTOZOA 



Hdtromita, e.g. (Fig. 57) the anterior flagelluni (/. 1) only is 

 used in progression, the second or ventral flagelluni (fi. S) is trailed 



fi-Oallingeria 



9.Cry),fomonas jo.Diblomiho 

 tS.UiKomonas ^ 



li.Dinobryon 12.Sy ncry |)to IS.Anfh^hysa 14.Rhi|)idodendron 



Fig. 52. — Various forms of Flagellata. — In 2, flagellate (a) aiad amoeboid (h) phases are 

 shown ; in 5, flagellate (a) and helio^oaii (£>) phases ; In 5 are shown two stages in the in- 

 gestion of a food-pai-ticle (/.) ; chr. chromatophores ; c. vai:. contractiljs vacuole ; /. food par- 

 ticle J/, gullet; nw. nucleus ; t. lorica ; p. protoplasm ; ^jcr. peristome ; v.i. vacuole of ingestion. 

 (Mostly from BUtschli's Froto-Ma, after various authors.) 



behind when the animal is swimming freely, or is used to anchor 

 it to various solid bodies. In some (Trypanosomes, Fig. 53) the 



