THOROUGHBREDS IN RYSDYK’S HAMBLETONIAN’S PEDIGREE

Horses featured in this section were all born before 1850; most contributed to RH’s ancestry or are closely related to horses who did. Portraits and descriptions are presented in chronological order of foaling, along with whether the horse was an ambler-galloper (presumptive carrier of the DMRT3-STOP allele) or a trotter-galloper (wild-type allele).

  by the Godolphin horse out of Grey Robinson by the Bald Galloway by St. Victor’s Barb, she out of a mare by Snake by the Lister Turk. The tail female goes to Hobby. Regulus was a small horse by today’s standards, standing under 14 hands as this realistic portrait by James Seymour shows. The stallion’s ears and tail have been mutilated, ear-trimming and tail-docking having been the height of fashion in mid-18th century England. Regulus was undefeated in 9 starts, all heat races of not less than 4 miles and some as many as 12—all in a morning’s