82 



BIOLOGICAL LECTURES. 



meres which lie at the higher level and dexiotropic in the two 

 lower ones. This movement continues until the spheres are 

 carried into the inner angles of the cells, immediately below the 



Fig. 7. 



Fig. 8. 

 Figs. 7 and 8. — Entire eggs of C. plana ; second cleavage. 



polar bodies, and until the daughter-nuclei, which at first lie 

 very near each other on opposite sides of the second cleavage 

 plane (Fig. 8), are swung out into the centre of the protoplasmic 

 area. The centrosomes and spindles then appear as in the 



