No. 564] SHORTER ARTICLES AND DISCUSSION 761 



parent in color. They were mated inter se and disposed so as 

 to raise as large a number of F 2 's as possible. 



In this F 2 generation we should expect to find sixteen visibly 

 different types of color, in the proportions indicated in Table I. 

 Table I also shows the results actually obtained in the experiment. 



Pink Eyed Black Agouti ... I ABDp \ 103 



Brown abDP 40 



Dilute Brown Agouti | AbdP 31 



Dilute Black | aBdP 37 



Pink Kved Black aBDp 35 



i>mki;>„! iWn Agouti... AbDp 38 

 Pink Eyed Dilute Black! 



