80 



THEORY OF EVOLUTION 



(fig. 42) gives lacticolor daugliters and gros- 

 sulariata sons and tliese inbred give grossu- 

 lariata males and females and lacticoloi- males 

 and females. 



GROSSULflRIATO 9 



I'^iG. 4-1. Sex-linked inheritance in the wild moth, Al)raxas 

 grossvdariata (darker) and A. lacticolor. 



