INDEX 
Hachwalt, “ Dogcraft,” 97 
Hand, double, 136 
Heat, sources of, 5 
Hemp, 297 
Hen, origin of, 235; relatives of, 236 
Heredity, 154; and environment, 
171; complex nature of, 154; in 
stature, 156; law of, 166 
Hibernation, 91 
Hindu cattle, 219 
Horn, compounded, 138 
Horny growth, abnormal, on deer, 
139* 
Horse, evolution of, 214; origin of, 
22, 211; prehistoric, 212*; service 
of, 7 
Hudson Bay Company, 25 
Hybridization complicated, 150 
Improvement complicated, by hybrid- 
ization, 150; by crossing, 150; by 
domestication, 14; by selection, 
198; herd and breed, 192; rate of, 
190; rational, 193 
Indian cattle, 219 
Indians, dogs of, 22; food of, 23 
Individual, a composite, 169; chance 
of resembling a particular ances- 
tor, 168 
Inoculation, 
alfalfa, 261 
described, 258; for 
Jersey, 47*, 226% 
Kitchen middens, 17 
Law of ancestral heredity, 166; of 
the wild, 20 
Legumes, inoculation 
special meaning of, 257 
Lentil, 262 
Lettuce, wild, 299 
Life, abundance of, 50; length of, sig- 
nificant, 69; sacred character of, 29 
Light, sources of, 5 
Llama, 238 
Longevity, figure of Old Dick, 89 
Lupine, 265 
for, 258; 
Man, dependence of, upon animal 
labor, 6; primitive, disadvantages 
of, 20; ingenuity of, 21; need for 
clothing and shelter, 25; need for 
labor, 26 
Market, knowledge of, necessary, 197 
229 
Market classes and grades, 196 
Mean, 107 
Measurements, suggestions as to 
taking, 113 
Medicines, sources of, 9 
Mediocrity the common lot, 157 
Mendel’s law, few individuals pure 
under, 149; illustrated, 147, 149; 
of hybrids, 145; new races by, 148 
Millet, origin of, 253 
Mimicry, 75; butterfly and leaf, 76* 
Monkeys, limit of intelligence of, 21 
Mule, 216 
Mumford, illustrations from, 185, 187, 
189, I9I, 192, 194, 196 
Mutants, 150 . 
Mutation, 150 
Mystery confined to the unfamiliar, 78 
Natural 
of, 53 
Natural selection, 63 ; always at work, 
93; and progressive development, 
83; effects of, 83; results of, not 
always useful to us, 90 
Nature, design in, 77 ; impartiality of, 
71 
Nectarine and peach, 151 
Nitrogen, cost of, 258; secured by 
legumes, 257 
Numbers, significance of, 69 ; sugges- 
tions as to, 117 
conditions, selective effect 
Oats, origin of, 249 
Offspring, compared with the parent, 
154-160 ; compared with the parent 
and remote ancestors, 166; excep- 
tional, and its parentage, 163; not 
like parent, 157; of exceptional 
parent, 159 
Old Dick, 89* 
Opium poppy, 294 
Orchard grass, 255 
Ovule, function of, 125 
Ovum, function of, 125 
Ox, endurance of, 28; origin of, 219; 
service of, 6 
Pack mule, service of, 7 
Parent, compared with offspring, 
154-160; exceptional, his  off- 
spring, 159 
Park cattle, 22 
Passenger pigeon, 93* 
Pea, origin of the, 264 
