COAT CHARACTERS IN GUINEA-PIGS AND RABBITS. 



dark-eyed animals, each having one albino and one hybrid parent. 

 Half of these animals should have the character of class (i), p. 48, and 

 half that of class (3) . Pairs established by random selection of indi- 

 viduals should, therefore, be in the proportions, i mating within class (i) 

 to 2 matings between classes (i) and (3) to i mating within class (3). 

 Pink-eyed pigmented young should be produced only in matings of the 

 first sort, but albinos should result from all three sorts of matings. 

 The matings which produced pink-eyed young are as follows : 



The remaining matings are as follows : 



The evidence from the group of matings contained in these two lists 

 is less clear than that from the two groups previously examined. 

 There is a considerable excess of pink-eyed young in most of the mat- 



