PLATE VIII 



CHANGES IN COAT COLORS OF MICE 



Fig. 1. No. NMA. A hybrid out of a black-gray (extracted) cross. 



Fig. 2. No. AAbb. A heterozygous white-bellied gray showing light gray and 

 some gray areas. 



Fig. 3. N'o. NMA. A heterozygous mouse showing black and gray areas. 



