MITOSIS 



93 





4 





*i?.^l^ 



.^1 



Fig. 52. — Various Stages in the Late Mitotic Division of the Nucleus of 



Monocystis rostrata (1-3x2,000; 4-8x1,700). (After Muslow, 1911.) 

 1. Resting nucleus. 2, 3. Formation of eight chromosomes. 



4. Commencing splitting of the chromosomes. 



5. Daughter chromosomes separating at equator of spindle, which is devoid of eentrosomes and 



asters. 



6. Daughter chromosomes moving towards the poles of the spindle. 



7. Chromosomes breaking up into gametes. 



8. Reconstitution of the nuclei 



