io8 THE BOSTON TERRIER 



dogs, and mated him with quite a number of 

 absolutely perfectly marked bitches that we had 

 bred for a great number of years that had before 

 that had perfectly marked pups, and every bitch, 

 no matter how bred, had over fifty per cent, of 

 white headed pups. We saw the pups in other 

 places sired by this dog, no matter where bred, 

 similarly marked. We found his grandmother 

 was a white headed dog, and this dog inherited 

 this feature in his blood, and passed it on to pos- 

 terity. The minute a stud dog, perfect in him- 

 self, is prepotent to impress upon his offspring 

 a defect in his ancestry, discard him at once. I 

 have often been amused to see how frequently 

 this law of atavism is either misunderstood or 

 ignored. Only recently I have seen a number 

 of letters in a leading dog magazine, in which 

 several people who apparently ought to know 

 better, were accusing litters of bulldog pups as 

 being of impure blood because there were one 

 or two black pups amongst them. They must, 

 of course, have been conversant with the fact 

 that bulldogs years ago frequently came of that 

 color, and failed to reason that in consequence 

 of this, pups of that shade are liable once in a 

 while to occur. It is always a safe rule in color 

 breeding to discard as a stud a dog, no 

 matter how brilliant his coat may be, who per- 



