Wilson — The Inheritance of Coat Colour in Horses. 345 



Vulcan, blach, X Kit (Capes'), red roan. 



I 



Prince Harold, black, X Dunsmore Fashion II, roan. 



I 



I 



Dunsmore Iron Duke, roan, X Lemington Royal Heroine, bay. 



Forage Iron Duke, roan. 



Hereward, bay, X Willow Lady, roan. 

 I 



Pratt's 'Wallflower, black, X Willuw Bounce, blue nun. 

 I 

 I 

 Blue Duke, hlue roan. 



The comparison between roan and grey might be carried further. Grrey is 

 dominant to the other four ordinary colours. This means that when grey is 

 crossed with these colours the number of grey foals ought to equal all the other 

 colours together ; excepting that, grey being somewhat unpopular among 

 Shires, a higher proportion of grey foals than of the other colours may not be 

 entered at all, and thus the numbers for grey may be depressed. The 

 numbers from selected sires in the first ten volumes of the Shire stud-book 

 are as follows : — 



Grey X chestnut gives o 



Grey X black ,, 2 



Grey X bay ,, i 



Grey X brown ,, 



The figures for roans— iron-grey being counted among the roans — the 

 progeny of roan mares in vols. si. to xv. are as follows : — 



Roan behaves therefore to these other colours very much like grey, their 



