.312 



Scientific Proceedings, Royal Dublin Society, 



As expressed. 



(3) The presence of black pig- 

 ment is dominant to its 

 absence. 



(4) Tlie restriction of black to 

 the mane, tail, and legs is 

 dominant to its general 

 distribution. 



As altered. 



(3f?) Duns with black manes 

 and legs are dominant to 

 those without, i.e. dun is 

 dominant to cream. 



(35) Browns and blacks are 

 dominant to cliestnut. 



(4) Brown is dominant to black. 



It may also be stated that data are being collected to show that cattle 

 colours are also the result of single polygamous factors, but, as these data 

 have to be collected from cross-bred stock, their accumulation is comparatively 

 slow, and they are still too few for publication. 



