YELLOW v/lilTE 9 



\1KJ> 



YELLOW WHITE 



BELLOW RED &RCY WHITL 



Fig. 63. Cross between a white eyed, yellow winged female 

 of D. anipelophila and a red eyed, gray winged male. Two 

 pairs of sex linked characters, viz., white-red and yellow-gray 

 are involved. (See text.) 



