PLATE VII 



CHANGES IN COAT COLORS OF MICE 



Fig. 1. No. SW. A heterozygous mouse showing dilute and chocolate areas. 



Fig. 2. No. 32%. A heterozygous black-chocolate mouse showing areas of 

 black, chocolate and lighter chocolate (mixed). 



Fig. 3. No. PC. A heterozygous black-chocolate mouse with "ticked" hair. 



Fig. 4. No. D 1 . A black-chocolate heterozygous mouse. 



