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XIV. 



THE INHEKITANCE OF THE DTJN COAT- CO LOUR 

 IN HORSES. 



By JAMES WILSON, M.A., B.Sc, 

 Professor of Agriculture in the Royal College of Science, Dublin. 



[Head December 19, 1911. Published January 19, 1912.] 



In a previous paper on " Tlie Inheritance of Coat-Colour in Horses " ' it was 

 shown, from the data then in hand, that the colours fit into each other like 

 a nest of Chinese boxes : chestnut being innermost or recessive to all others ; 

 t hen coming, in succession, black, bay, brown, dun, and finally grey and roan. 

 The following diagram will make the position of each colour clear : — 



Grey and Roan. 



Dun. 



Brown. 



It was pointed out that the relative positions of bay and brown were not 

 absolutely clear, and that, while grey and roan were each dominant to all the 

 other colours, there was no evidence to indicate their relative positions. Each 



The Inheritance of Coat-Colour in Horses," Scient. Proc. Royal Dublin Society, 1910. 



