io6 Dynamic Evolution 



show, such champions have come from dogs 

 which did a large amount of field work before 

 the}' were bred. And the pedigrees of these 

 champions show the same sexual relationship 

 to work performed that is found in horses. 

 Thus, Gladstone was the first imported dog, 

 and he was considered as the best setter of 

 his da}'. All of his sons, with one exception, 

 were kept for breeding purposes without being 

 trained. Gladstone appears eighteen times 

 in the pedigrees of these six champions, 

 seventeen times through his daughters, and 

 once through that son which was trained. 

 What became of the male lines of descent 

 through all of the other sons of Gladstone? 



Each year there are many dogs which 

 are winners in field trials without becoming 

 champions. At my suggestion, the editor of 

 The American Field made a table showing 

 the sex of the winning progeny of eight highly 

 developed dogs which he himself selected 

 because of his knowledge of what occurred in 

 field trials in all parts of the United States. 

 His table showed 109 winning sons and a 



