Drosophila }f<'1iinof/aftter. 



293 



The buff females and the tinge(l-l)ufT conipdunds are in-acfically insepar- 

 able. The two classes of males can be separated into buff and finked males 

 liut are here classified to>;etlier. The wild red eyed form did not ajiiH'ar in 

 (lie F, or l'\ fieneration. Tbe F.. males and females show a slijjht variation 

 iu color although we were unable to separate tlie two on a color basis. 



(h) Buffct^hy Tint,'c(l 9 



r. wiMixo wiwixx 



F, wtwiMiXX wiXO. 



(1) 30 .-{1 



(2) 256 200 

 {?,) 04 S;-) 



Tbe tin,i,'c(i males and tbe tin.m'd-luitT (-((mpound females of the? Fj are in- 

 separalilc on a color basis as one nuubt expect since the two colors are sep- 

 arated bv such a small mai';;in. 



The Fn males can be separated with ditticulty. 



2. lAHlatijv of Buff aiul Blood. 

 (a) Buff? b,- Blooded. 

 r. wb"w"iiXX . w'JXO 

 Fi wbiiwbXX wbiiXO 



202 198 



F, Fenniles compounds uniform deep red — males like buff. 



Males and females in the F.. are easily separated into the different classes. 



