CILIATE PROTOZOA 



41 



FIG. 9. Various forms of Ciliate Protozoa (Infusoria), highly magnified. 

 (From Haeckel's " Kunstforrneii der Natur.") 



1, Codonella ; 2, 3, Dictyocysta (shell only); 4, Tintimiopsis (shell only); 5, Cyttaro- 

 cyclis (shell only); 6, Petalotricha (shell only); 7, 8, Stetitor ; 9, Freia ; 10, Vor- 

 ticella ; 11, 12, Carchesium ; 13, Ejiistylis ; 14, 15, Zootliamirium. 





