INDEX 1 



Adaptation, accidental nature of, 81; 

 not perfect, 87 



Advanced registry, 183 



Agriculture, beginnings of, 23 



Albino deer, 102* 



Albinos, 151 



Alfalfa, inoculation for, 261 ; origin 

 of, 260 



Alpaca, 238 



Ancestral heredity, law of, 166 



Animals, as a means of recreation, 8 ; 

 as sources of clothing, 4 ; as sources 

 of food, 3 ; as sources of raw ma- 

 terial, 8 ; as sources of shelter, 5 ; 

 cost of maintaining, 35 ; domesti- 

 cated, need of improvement in, 35 ; 

 feral, 18 ; further improvement 

 needed, 37 ; medicinal properties 

 of, 9 ; not used in domestication, 

 30 ; service of, 28 ; service of, too 

 costly, 39 ; systematic improve- 

 ment of, 178 



Apple, origin of, 267 



Arrested development, 132 



Ass, 215; wild, 22 



Aurochs, 16, 225, 226 



Average deviation, 109 



Aztecs, 247 ; hunts of, 24 ; semido- 

 mestication by, 24 



Babiroussa, 233 



Baby beef, 196 



Bailey, " Survival of the Unlike," 97 



Banff, head of herd at, 223* 



Banteng, 221 



Barley, origin of, 245 



" Battle in the Meadows," 63 



Beal, book on grasses, 255 



Bean, origin of, 263 ; soy, 265 



Beef, baby, 196 



Betel nut, 295 



Bighorn, 227 



Bison, American, 31*, 55*, 223* 



Bloodhound, 209 



Blue grass, origin of, 254 



Boar, wild, 16, 231 



Bones, splint, 213 



Bos frontosus, 225 



Bos longifrons, 225 



Bos primigenus, 220, 224, 226 



Breed, choosing of, 194; differences 



slight, 195 

 Breeding, mixed, 186; power of, to 



modify type, 93-95 ; pure, 187 ; 



rate of improvement by, 190 ; 



systems of, 186 

 Brilliant, 6* 

 Broom corn, 252 

 Buckwheat, origin of, 253 

 Buffalo Bill, 224 

 Buffalo, of Asia, 222; service of, 6; 



water, 218* 

 Burro, 7* 

 Bush pig, 233 



Camel, 238 ; service of, 7 



Canada thistle, 299 



Castle, W. E., work illustrated, 147, 

 149 



Cat, European and American, 234* ; 

 origin of, 233 ; relatives of, 234 ; 

 true nature of, 235 



Cattle, humped, 219; Indian, 219; 

 of Chillingham Park, 225; Short- 

 horn, n; Teeswater, 178; wild 

 White, 225 



Celery compound, 294 



Cells, division of, 131 



Character, single, variability of, 105 



Characters, behavior of, in trans- 

 mission, 141 ; both good and bad 

 transmitted, 171; correlation of, 

 101 ; developed and latent, 100; 

 dominant and recessive, 101, 146; 

 how transmitted, 121 ; individual 

 possesses those of the race, 99 • 



1 References to figures are indicated by an asterisk, as 189*. 

 317 



