DEPARTMENT 



A 



3 .e 



n 



Fig. i. Types of Protozoa. 



A. Amoeba proteus, a rhizopod. B. Peranema trichophorum, a flagellate. [BiJTSCHLI.] C 

 Stylonychia mytilus, a ciliate. [BUTSCHLI.] D. Pyxinia sp. a sporozoon. [WASIELEWSKY.] 

 R. Tokophrya quadripartita, a suctorian. [BUTSCHLI.] c. contractile vacuole; e. epithelial host- 

 cell ; n. nucleus ; v, food or gastric vacuole. 



