I. ^Method Chart. 



a Hypothetical Case ir> v. 



iM^ 



i^W- 





m 



mc attempt by connecting high 

 pmnu in Procession Index (P. I.) Com- 

 plete corrections made for dilTorences in 

 (n) size of &amplo and (b) variatione in 

 Mitotic Indices and (o) vuri. 



