Yt;LLnv v.MiTt 5 



rELLOVVwrllTt; crf. r put --tLLOw kejd Grft:T wmitl 



Fic. (i3. Cni^s between a white eyed, yelliiw winged female 

 of D. am]ieloi)liila and a red eyed, gitiy winged male. Two 

 jiairs of sex linked eiiaraeters, viz., white-red and yellow-gray 

 are involved. (See te.xt.) 



