372 



Scientific Proceedings^ Royal t)uhlin Society. 



Hybrid . 



MM 

 h E 



8 g 



should give 



Enalish silver males. 



MM 

 E E 



8 8 



MM 

 E E 

 8 g 



MM 

 h E 

 8 8 



II. 



and 



MM 

 h E 

 8 g 



Hybrid. 

 I — I 



F 

 E 

 9 



English English 



silvi-r gold 



females. females. 



English 



silver 



females. 



English 



gold 

 females. 



Mr. Jones got Englisli silver males, Englisli silver females, and English gold 

 females ; and he writes that " the proportion of silver to gold females was 

 generally equal." 



Hybrid 

 silver 

 male. 



MM 

 h E 

 8 g 



should give 



silver 

 males. 



MM 

 E h 

 S g 



English 

 gold 



MM 

 E b 

 9 9 



MM 

 b b 

 8 g 



III. 

 and 



English (apparently 



impure) gold 



female. 



M F 

 b E 

 9 



English English 

 gold silver gold 



males. females. females. 



MM 

 b b 

 9 9 



English 



silver 



females. 



English 

 sold 



Mr. Jones got English silver males, English gold males, Belgian silver males, 

 Belgian gold males, and English silver females and English gold females. 

 Mr. Jones cannot now give the proportions. 



