Birds, [152].
free-flying species of, [182].
tree species of, [182].
vocal powers of, [183].
æsthetic nature of, [187].
conditions of domestication of, [233].
future domestication of, [235].
Bison, [106].
domestication of, [241].
Buffaloes, [105].
African, [106].
Bulls, [105].
Camels, origin of, [119].
limited nature of, [120].
lessening value of, [124].
Cattle (horned), value of, [110].
variations of, [113].
Cats, origin of domesticated forms of, [51].
their love of well-known places, [51].
compared with dogs, [52].
their return to wild state, [55].
no large species domesticated, [56].
Cochineal, [201].
Dogs, origin of, [11].
fossil species of, [15].
savage selection of, [17].
civilized conditions of, [18].
shepherd breed of, etc., [19].
hunting varieties of, [25].
intellectual qualities of, [29].
evils of fancy breeding, [31].
lack of constructive faculty, [40].
modes of expression, [44].
effect on human sympathy, [48].
possible new varieties of, [50].
Domestication, relation to culture, [2].
relation to sympathies, [4].
slow institution of, [7].
mainly by Aryan people, [152].
problem of, [218].
hap-hazard nature of, [225].
conditions of, [229].