102 



Brood B by C : Male red, female red. 



Result. — Bacot . -131 red. 

 Gardner . . 77 „ 

 Raynor . . 48 ,, 



256 



Third Generation. 



Brood C 7 by C 2 : Male melanic, female melanic. 

 Result. — Bacot . 24 melanic. 

 Harrison . 21 ,, 



45 

 Brood C 9 by C 7 : Male Melanic, female melanic. 



Result. — Prout . 16 melanic . 5 red. 



Brood C g by C 9 : Male melanic, female melanic. 



Result. — Bacot . 7 melanic. 

 Brood C 7 by C 7 : Male melanic, female red. 

 Result. — Harrison . 15 melanic. 

 Hamling . 2 ,, 



17 

 Brood (B by C) by (B by C) : Male red, female red. 



Result. — Bacot . . 20 red. 

 Brood C 3 by C 3 : Male red, female red. 



Result. — Bacot . . 6 red. 



Summary. 



First Generation. 



One brood : Male melanic, female red. 



Result. — 21 melanic . 32 red. 



Second Generation. 



Three broods : Male melanic, female melanic. 



Result. — 212 melanic . 71 red. 

 Two broods : Male red, female red. 

 Result. — 285 red. 



Third Generation. 



Three broods : Male melanic, female melanic. 

 Result. — 68 melanic . 5 red. 



