WOKTHLESS MALES AND FEMALES 15 



brood-mare, and because of this a breeder, 

 when successful, obtains such high prices. 

 Some sires are known as brood-mare 

 sires ; others are Idown as sires of sires. 

 There are only a very few all round sires 

 of brood-mares and of sires. It is well 

 known that in some families thei boys are 

 endowed with the ancestral ability, while 

 in other families the girls are the fortu- 

 nate ones. Very few families exist where 

 both sexes have inherited distinguished 

 ability. 

 COMBINATION III. 



A = 60% M. and 40% F. -f B. 40% M. 

 and 60% F. = 100% A.B.M. and 100% 

 A.B.F. 



This combination will produce either 

 a male or a female, as it generally de- 

 pends upon which tendencies are the 

 more vigorous, and, if it be a male, it 

 will be useless as a sire, and if it be a 

 female, she will be hard to get in foal ; 

 and so far as the benefit to. breeding is 

 concerned, will be about worthless, 

 whether male or female. This com- 

 bination shows to a breeder how some 



