INDEX 



319 



Hachwalt, " Dogcraft," 97 



Hand, double, 136 



Heat, sources of, 5 



Hemp, 297 



Hen, origin of, 235 ; relatives of, 236 



Heredity, 1 54 ; 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, 1 50 



Improvement complicated, by hybrid- 

 ization, 1 50 ; by crossing, 1 50 ; 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,, described, 258; for 

 alfalfa, 261 



Jersey, 47*, 226* 



Kitchen middens, 17 



Law of ancestral heredity, 166; of 

 the wild, 20 



Legumes, inoculation for, 258 ; 

 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 



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 



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, 191, 192, 194, 196 

 Mutants, 150 

 Mutation, 150 

 Mystery confined to the unfamiliar, 78 



Natural conditions, selective effect 



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, yy ; impartiality of, 



7 1 



Nectarine and peach, 151 



Nitrogen, cost of, 258; secured by 

 legumes, 257 



Numbers, significance of, 69 ; sugges- 

 tions as to, 117 



Oats, origin of, 249 



Offspring, compared with the parent, 

 1 54-160 ; 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, 225 



Passenger pigeon, 93* 



Pea, origin of the, 264 



