How Belle of Wabash got her pedigree—Specimen of pedigree making in that day and locality—Search for the dam of Thomas Jefferson—True origin and history of Belle of Wabash—Facts about the old-time gelding Prince—The truth about Waxy, the grandam of Sunol—Remarkable attempts to make a pedigree out of nothing—How “Jim” Eoff worked a “tenderfoot”—Pedigree of American Eclipse—Pedigree of Boston—Tom Bowling and Aaron Pennington—Chenery’s Grey Eagle—Pedigree of George Wilkes in doubt 432-455 CHAPTER XXXI. HOW THE TROTTING HORSE IS BRED. Early trotting and pacing races—Strains of blood in the first known trotters—The lesson of Maud S.—The genesis of trotting horse literature—The simple study of inheritance—The different forms of heredity—The famous quagga story not sustained—Illustrations in dogs—Heredity of acquired characters and instincts—Development of successive generations necessary—Unequaled collections of statistics—Acquired injuries and unsoundness transmitted 456-479 CHAPTER XXXII. HOW THE TROTTING HORSE IS BRED (_Continued_). Trotting speed first supposed to be an accident—Then, that it came from the runner—William Wheelan’s views—Test of powers of endurance—The term “thoroughbred” much abused—Definition of “thoroughbred”—How trotters may be made “thoroughly bred”—How to study pedigrees—Reward offered for the production of a thoroughbred horse that was a natural pacer—The trotter more lasting than the runner—The dam of Palo Alto—Arion as a two-year-old—Only three stallions have been able to get trotters from running-bred mares—“Structural incongruity”—The pacer and trotter inseparable—How to save the trot and reduce the ratio of pacers—Development a necessity—Table proving this proposition—The “tin cup” policy a failure—Woodburn at the wrong end of the procession 480-507 CHAPTER XXXIII. HOW THE TROTTING HORSE IS BRED (_Continued_).