102 THE BREEDS OF LIVE-STOCK 
for the word “ trotting,” and the speed standard is changed 
from 2:30 to 2:25; furthermore, Rule 6 is an addition. 
112. The pacing standard. — ‘“‘ When an animal meets 
these requirements and is duly registered, it shall be ac- 
cepted as a Standardbred pacer : 
“(1) The progeny of a registered standard pacing horse 
and a registered standard pacing mare. 
““(2) Any stallion sired by a registered standard pacing 
horse, provided his dam and granddam were sired by 
registered standard pacing horses and he himself has a 
pacing record of 2: 25 and is the sire of three pacers with 
records of 2:25 from different mares. 
“ (3) A mare whose sire is a registered standard pacing 
horse and whose dam and granddam were sired by regis- 
tered standard pacing horses, provided she herself has a 
pacing record of 2:25 or is the dam of one pacer with a 
record of 2:25. 
““(4) A mare sired by a registered standard pacing horse, 
provided she is the dam of two pacers with records of 
2:25. 
““(5) A mare sired by a registered standard pacing 
horse, provided her first, second and third dams are each 
sired by a registered standard pacing horse. 
““(6) The progeny of a registered standard trotting 
horse out of a registered standard pacing mare, or of a 
registered standard pacing horse out of a registered stand- 
ard trotting mare.”’ 
113. Families. — Among the modern Standardbred 
horses it 1s not possible to separate the families into those 
that pace as a family characteristic, and those that trot. 
The Hal family is composed most distinctly of pacers, 
for Tom Hal Jr. has fourteen in the list, all pacers, while 
Brown Hal, one son, has seventy-eight, all pacers. The 
