INDEX 



Ability 10, 31, 60, 168 



Activity 47, 52, 54, 103, 142, 156 



Adult stage 38, 91, 109, 129 



Advanced registry 143, 146, 147, 151 



Age a factor of energy 29, 41, 82, 85, 103, 141, 158 



Age, average for breed 23, 85, 134, 151, 161 



Ages, effect of different.. .103, 152, 158, 172, 179, 184, 186 

 Artificial product 80, 128 



Best age 88, 103, 118, 122 



Birth ranks 196 



Births, frequency of 153 



Blood 22, 63, 70, 73, 129, 132 



Brain, energy of 11, 156, 170 



Breeding methods 62, 66, 72, 130, 133 



Breeders' prejudices 63 



Brood mares 53, 61, 98, 114 



Brothers 76, 113, 180 



Bulls 151 



Butter fat 145, 152 



Castration 40 



Causes 3, 71, 176 



Cell division 176, 191 



Characters, secondary sexual, 21, 38, 43, 54, 84, 95, no, 



129, 136, 154 



Characters at different ages 42, 171 



Characters transformed 44, no 



Champions 96, 133, 141, 197 



Conservation of energy 12, 25, 27 



Cows 143 



Criminals 169 



Dams 52, 92,94, 98, no 



Definitions 9 



Degenerate families 169 



207 



