Fig. 84. Gray Percheron mare anci c-oit. ^^uc•h coits, blacK at Dinh, oecome gray later iii iite. Notice, 

 however, that the colt's face is already white. This is due to white spotting, as in the hunter and 

 Clydesdale, not to the gray factor. The two forms of white are genetically quite distinct. 



Fig. 85. White mare and colt. (Photograph by courtesy of W. P. Newell, Washburn, 

 111.) An extreme condition of white spotting is here shown, in which the entire coat is 

 white from birth on. 



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