CILIATE PROTOZOA 



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K A 



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Fia. 9. Various forms of Ciliate Protozoa (Infusoria), highly magnifiea 

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



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

 cyclis (shell only); 6, Petalotricha (shell only); 7, 8, Stentor ; 9, Freia ; 10, For 

 t'icella; 11, 12, Carchetium ; 13, Epistylis ; 14, 15, Zoothamnium. 



