196 Dynamic Evolution 



Foaled 1849 

 Hambletonian 



[•6] 



[27] 



Foaled 17S0 

 "Messenger 



[16] 



Foaled 1823 

 [26] f Abdallah 



[13] 



Foaled 1833 

 , Kent Mare 



Foaled 1807 

 f Mambrino 



Foaled 18 io 

 Amazonia 



Foaled 1S16 

 Belfounder 



118] 



[18] 



["] 



Old Belfounder 



Foaled 1798 



. Velocity 



Foaled 1S04 

 Bishop's Hamb. [24] 



Foaled 1S15 

 One Eye 



[I3j 



Silvertail 



bo] 



PEDIGREE OF HAMBLETONIAN io 



The figures in brackets represent time between genera- 

 tions and are known as "birth-ranks." Thus, [26] is 

 Hambletonian's birth-rank, and "Hambletonian [26]" 

 indicates that Hambletonian was the son of a sire 26 years 

 of age. 



In 1867 J. H. Wallace issued a "Trotting 

 Supplement" to his Stud Book, and in 1871 was 

 published the first regular volume of the Ameri- 

 can Trotting Register. In 1879 the National 

 Association of Trotting Horse Breeders was or- 



