114 



RAYMOND PEARL AND WILLIAM FREEMAN SCHOPPE 



The data of tables 4 and 5 are brought together for comparison 

 m table 6, which gives in sum the total oocytes counted. 



TABLE 4 



Showing number of visible oocytes in part of ovary removed from birds by 



operation 



9017 

 9030 

 9026 

 9022 

 9018 

 9023 

 9019 

 9025 



B. 

 B. 

 B. 

 B. 

 C. 

 C. 

 C. 

 C. 



P. R. 

 P. R. 

 P. R. 

 P. R. 

 I. G. 

 I. G. 

 I. G. 

 I. G. 



3/30/11 

 3/10/11 

 4/ 1/11 

 3/29/10 

 5/19/10 

 6/ 2/10 

 3/31/10 

 4/ 1/10 



9/12/12 



9/12/12 

 9/12/12 

 9/12/12 

 9/10/12 

 9/10/12 

 9/10/12 

 9/10/12 



1006 

 321 

 723 

 603 



1249 

 794 



1376 

 932 



TABLE 5 



From table 6 it is seen that in all cases except one (bird no. 

 9018) the number of visible oocytes on the piece removed was 

 smaller than the number found on the regenerated ovary at 



