FERTILITY AND STERILITY IN DROSOPHILA 



187 



TABLE 13 a 



Table showing result testing in pairs the grandchildren of the crosses between the short- 

 lived low-producing truncates and the relatively long-lived, high-producing 

 ■ inbred stock. T = truncate; C = crescent 

 Grandchildren of the cross between the truncate 9 and inbred cf 



