OXYGEN AND MALE PRODUCTION 



477 



TABLE 5 



Showing that in sunlight where 2 to 15 cc. of free oxygen per liter is present about 4S 



per cent of male-producing females are produced, while in darkness 



where only 2 to 8 cc. of free oxygen per liter is present about 



78 per cent of male-producing females are produced 



THE JOURNAL OP EXPERIMENTAL ZOOLOGY, VOL. 28, NO. 3 



