352 



H. FIJNKQL'IST 



TABLE VIL 



P-buU no. 117 gave the following descendants. 



ggPPPiPi 



dark pigmented nuizzle. 



P and Pi are homomeres. 



P-generation: GGpppipi 



flesh coloured muzzle. 



Fi-generation : GgPpPipi 



flesh coloured muzzle. 



F2-generation: (see the scheme on the following page). 



This scheme shows how dark coloured muzzles originate from 

 crosses hetween flesh coloured muzzles, and how flesh coloured 

 muzzles originate from crosses hetween dark coloured muzzles. Flesh 

 coloured muzzles from crosses hetw^een dark coloured cannot give 

 rise to dark coloured muzzles if the hypothesis is correct. Unfortuna- 



