n6 Dynamic Evolution 



hundred of which are dams. How many of 

 these three hundred and fifty odd daughters 

 of the best sires and choicest brood mares 

 should appear among this seven hundred in 

 the pedigrees of the 2 : 10 trotters? Three of 

 them are found, each once in the pedigree of 

 a 2 : 10 stallion, and one is the grand dam of a 

 2 : 10 gelding. Not one is to be found in the 

 pedigree of any 2:10 mare. And even these 

 cases are not really cases of two generations 

 of ordinary idle brood mares, unless the last 

 may possibly be such. One is the daughter 

 of a former old road mare, while the other 

 two were trained as yearlings. 



Other mares of the same blood, which 

 lived at the same time as these choice 

 selected brood mares and their daughters, 

 appear many times in the pedigrees of 2 : 10 

 trotters, but these other mares were not 

 brood mares in the ordinary sense. A few 

 were mares sold to drivers for racing pur- 

 poses, but the great majority of them were 

 animals disposed of at the annual clearance 

 sales to men who used them for drawing 



