Fig. 9. Abnormally large jacket cells, multinucleated, the nuclei 

 being formed mitotically, and amitotically. Perforations 

 through the walls are seen to the left ; the extreme left is 

 the cytoplasm of the egg. x 280. 





n f 



Wik 



VI, 



h >%r^ 



Fig. 10. An abnormal ventral canal cell, x 96. 



