90 



THE INHERITANCE OF COLOR IN MICE. 



Cross 149. Giving F, BAg, and B. 



Cross 150. Giving F, B, and Br. 



Cross 151. Giving F, BAg, and IF 



Cross 152. Giving F, B, and IF. 



Mating. 



59 

 21 

 72 

 58 

 51 



Parents. 



Unmarked X 141. 



206x514 



178x320 



168-170-171 x 185 

 206x172 



B. 



4 

 3 

 6 

 3 

 1 



1 

 2 



s 

 1 

 2 



17 



14 



Cross 153. Giving F, cream, BAg, BrAg, B, and Br. 



W 



1 



3 

 3 

 2 

 2 



11 



