28 



EXPERIMENTS WITH DROSOPHILA AMPELOPHILA. 



Table 30. — Percentage of abnormal offspring in IS matings 

 of Ns (ex. NsXAl) X A? (ex. NSXA2). 



FEMALES. 



Table 31.— Percentage of abnormal offspring in 9 matings of 

 Ns (ex. As X As) X 4$ (ex. As X At). 



FEMALES 



