PARAMECIUM 



6 9 



longitudinal splitting of the chromosomes, but the granules of 

 chromatin contained in the nuclei separate into two groups, one 

 smaller (Fig. 32, A, m. n.) than the other (Fig. 32, A, /. .). 



FIG. 31. Diagram showing the stages in the conjugation of two Paramecia 

 and the subsequent divisions of the conjugants during the period of 

 nuclear reconstruction. For description see text. (After Maupas.) 



