No. 540] INHERITANCE OF COLOR IN CATTLE 723 



when mated with red cows only roan calves are expected 

 if the mating be like mating No. 20 ; 50 per cent, red and 

 50 per cent, roan if like No. 23 ; 50 per cent, roan and 50 

 per cent, white if like No. 35; and 50 per cent, roan, 25 

 per cent, red and 25 per cent, white if like No. 38. There 

 is ample explanation for throwing a white calf from a 

 roan cow and a white bull. If the mating be like Nos. 31, 



's Dam— Wild Eye Belle 15th. Bed. Sire's Dam— Bapton Pearl. Moan. 

 's Sire— Judge Wardell .144980. Bed. Sire's Sire— Bapton Sultan 163570. B 



32, 33 or 44 the chance for roan and white colors are 

 equal; if like No. 36 the ratio of white to roan to red 

 expected is 6 to 8 to 2, but if the mating be of type 42 only 

 white calves can be expected. 



Mr. Bruce's array of data concerning the Sittyton 

 cattle presents a very telling table of facts. All possible 

 color matings are made, and in most cases the number of 

 offspring is quite large enough to insure a proportional 

 distribution among the expected colors. The facts of this 

 table fit the hypothesis quite significantly. Of special 



