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A MANUAL OF MENDEIJSM 



he has secured three in succession which had already 

 been proved to be " butter bulls " by the daughters 

 bred to them in other herds. The first of these was 

 Dan, born in 1900, a son of Taurus IV and a cow called 



30 -1 -2 -3 -4 -5 -6 -7 -8 



August III, whose milk over seven years was of the 

 average quality of 4'16 per cent. Thus, like Professor 

 Nilsson-Ehle's wheats, Dan was the progeny of parents 

 which were above the average. The average quality 

 of the milk of the cows with which Dan was mated was 

 3-40 while that of their daughters was 3-89. Thus Dan 

 was even more effective than Taurus IV in getting 

 daughters with milk of higher quality. If the indica- 

 tion of the previous diagrams be accepted, it would 



