FERTILITY AND STERILITY IN DROSOPHILA 



189 



TABLE 14 



Egg count showing fertility of the truncates stock bred to the Woods Hole stock 



TABLE 14 a 

 Woods Hole 9 X Woods Hole cf 



TABLE 14 c 



TABLE 14 b 

 Truncate 9 X truncate cf 



* Escaped. 



t This was a long winged female and is not considered in the totals. Note 

 that her fertility was somewhat higher than the average. This will be discussed 

 later. 



THE JOURNAL Or EXPERIMENTAL ZOOLOGY, VOL. 17, NO. 2 



