" HETEROTYPICAL MITOSIS IN NEREIS LIMBATA. 

 Early Anaphase Later Anaphase 



63 



m to^u> 3i i* 



J0,, y. JBfl 33. 



39. 3f. M>. 



n 



4" t nrS : 



1st 



Maturation 



Division 



2nd 



Maturation 



Division 



Early 

 Cleavage 

 Divisions 

 (ist-jrd) 



Cleavage 

 Divisions 



after 

 Fertilization. 



Cleavage 

 Divisions 



n-15% h - 



after 

 Fertilization. 



