64 ELECTRON-MICROSCOPIC STRUCTURE OF PROTOZOA 



Plate VI 



Fig. 23. Longitudinal section through one end of A moeba pro tens 

 anaphase nucleus, showing nuclear envelope fragments around 

 chromosomes and spindle. x 17,000. From L. E. Roth, 

 unpublished. 



Fig. 24. Section through part of Amoeba proteus nucleus in early 

 post-mitotic reconstruction. Nucleolar material (N) present as 

 granules and ramifying sheets. Honeycomb layer of cortex 

 beginning to reappear, x 3,200. From Roth, Obetz and Daniels, 

 1960. 



Fig. 25. Section of single interphase chromosome of the dino- 

 flagellate, Gyrodinium sp. X 65,000. From Grasse and Dragesco, 



1957. 



