PLATE 15 



Fig. 9. Eight anterior portion of Euplotes patella. Mallory's connective 

 tissue stain. X 835. 



Figs. 10-13. Figures to show development of new cytostome. Alcoholic 

 haematin stain. Figures 10, 11, and 13, X 535; figure 12, X 835. 



Fig. 14. Early division stage. Alcoholic haematin stain. X 535. 



Fig. 15. Mitotic figure of micronucleus. Alcoholic haematin stain. X 1670. 



Fig. 16. Eeorganization band of macronucleus. Alcoholic haematin stain. 

 X 1670. 



Fig. 17. Division stage showing contraction of macronucleus and division 

 of micronucleus. Alcoholic haematin stain. X 535, 



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