358 



ROSCOE R. HYDE 



TABLE 1 



Showing the result of testing the fertility of the A 9 X Acf {F2 truncates extracted 

 from truncate grandmother) 



Per cent of eggs which complete development 49.1. 



TABLE 2 



Showing the result of testing the fertility of the B9 X Bc^ {F2 truncates extracted 

 from truncate grandfather) 



Per cent of eggs which complete development 47.8. 

 *Laid eggs which went to pieces. 



