26 



EXPERIMENTS WITH DROSOPHILA AMPELOPHILA. 



Table 26.— Percentage of abnormal offspring in 6 matings of 

 Ns (ex. As X 2V?) X N$ {ex. As X Nv). 



FEMALES. 



Table 27.— Percentage of abnormal offspring in 4 matings of 

 NS {ex. NS X A?) X N9 (ex.NS X A?). 



FEMALES 



