EUGLENA, AMOEBA, AND PARAMECIUM 



297 



(U »y4— MICRONOCLEOS 



MEGANUCLEUS 



Cy -FUSION NUCLEUS 



Fission 



FUSION NUCLEUS 



FISSION 



"C"cONJUGANT CARRIES ON 



MMMAL OmmiN* OF C 



Fig. 100. — A series of diagrams to show the progressive changes involved in con- 

 jugation in Paramecium caudatiim. The process begins as shown in the upper lett 

 of the illustration and follows down the column and then to the top of the next 

 column. (From Parker and Clarke, Introduction to Animal Biology, The C v. 

 Mosby Company.) 



