No. 525] SHORTER ARTICLES AND DISCUSSION 565 

 It would require too much space to explain how this misappre- 



in pedigrees of 2 :10 trotters, or trotters in general, and as this 

 subject has already been opened it appears a fitting one to 



After quoting what I had to say about sires appearing older 

 and older the further we go back in the best pedigrees, Professor 



The error in this statement is more in what it implies than in 

 what it actually says. Young sins arc popular and have been 

 popular during the entire history of breeding the trotter. Many 



of those raises a collateral question which it is better to postpone 

 to a later date. What actually occurs in the breeding of trotters 

 may he described as follows: 



Assume some thousands of animals belonging to the trotting 

 stock as it existed in this country, say seventy-five years ago. 

 Using concrete numbers for illustration, we will say that out 

 of these horses one thousand stallions are selected for breeding 

 purposes to produce the next generation. We will designate 

 these one thousand stallions as the first generation and the first 

 selection in a process of selection which we will follow through 



