204 



HAROLD H. PLOUGH 



TABLE 8— Continued 



b pr c 

 Xo. 7 and No. 9 



NOR- 

 MAL 



b, pr 



NON- 

 CROSS- 

 OVER 



Control. Female parents hatched at 22°C. 



No. 7. Female parents hatched at 29°C. 



529 

 530 

 531 

 532 

 533 

 534 

 535 

 536 

 537 

 540 

 542 

 543 



18.8 

 12.8 

 16.8 

 23.5 

 22.1 

 23.9 

 21.7 

 18.0 

 23.5 

 22.6 

 26.6 

 25.5 



