Malay, 181, 183, 190;
  Mongolian, 181, 186-190;
  Papuan, 182;
  Negro, African, Ethiopian, 182, 183, 192-195;
  Caucasian, 182, 185-189, 195;
  Veddahs, 182, 188;
  European, 183;
  Asiatic, 183;
  Laplander, 183, 190;
  Scandinavian types,
    Norwegians, Swedes, Danes, Germans—­north and south—­186, 187;
  types of, 186-196;
  Persians, 186,
    eastern, 187;
  Afghans, Hindus, 186;
  Welsh, French, Swiss, 187;
  Russians, 187-190;
  Poles, Armenians, 187;
  Mediterranean type,
    Spaniard, Italian, Greek, Arab, 187;
  subordinate group,
    Semitic, Arab, Hebrew, 187;
    North African, Berber, Hamites, 187;
  relatives of the Mediterranean,
    Dravidas, Todas, Veddahs, Ainus, 188;
    Manchurian, Chukchi, Buryats, Yukaghir, 189;
    Finlander, Bulgar, Magyar, Korean, Japanese, Gurkhas, Burmans, Annams,
      Cochin Chinese, Tagals, Bisayans, Hovars, 190;
    Pueblos, Eskimos, Aztecs, Mayas, Caribs, 191;
    Yahgan, Alacaluf, 191;
    Papuan, Australian, 193;
  Negrito section,
    Adamans, Kalangs, Sakais AEtas, Bushmen, Hottentots, Akkas, 194.

Periods,
  Triassic, Jurassic, 94;
  Eocene, Miocene, 96.

Phenacodus, 96.

Phyla, 32.

Phylogeny, 63.

Pictography, 223-226;
  of Eskimos, of American Indians, 223, 224;
  of Asia, 224;
  of Egypt, 224, 225.

Pig, 42, 157.

Pithecanthropus, 174.

Plesiosaurus, 94.

Polynesia, 103, 104.

Pouched animals, kangaroo, opossums, 42.

Primates, name given by Linnaeus, 158;
  eutheria, 158, 159;
  order of, 160;
  anthropoids, 161;
  arrangement of organs, 201.

Processes, psychological, of higher animals, 208, 209.

Prosimii, 160.

Proteins, 22, 23, 24.

Protoplasm, 22-30;
  the physical basis of life, 143; 144;
  human, 156;
  chemicals that make up, 156.

Protozoa, 52, 53, 68, 70;
  relations of, 126.

Protozooen, 251.

Psychology,
  comparative, 198;
  principle of, 199;
  descriptive, genetic, 202;
  terms of, 203;
  human, 210, 211.

Pseudopodia, 52.

Puma, 101.

Pupa, 259.

Pygmy, 195, 196, 227.

Rabbits, 41, 101;
  domesticated, 137; introduced into Australia, 140.

Races, human,
  age of, 178;
  divisions of, 183-195;
  character of: 
    status, variations of, 180, 181;
    color, a criterion of racial relationship, 181, 184;
    hair, character of, as means of classification, 181, 182;
    cranium, shape of, as means of identification, nose, jaws, 182.

Racoon, 38.

Rats, 41, 134.

Reason, 203;
  in mental life of communal insects, 207.