elatives 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.

Religions, 288;
Christian, Hebrew, Buddhistic, Tangaroan, 289, 290;
Mohammedan, 290, 298;
Dervish, Mahdist, 293;
linguistic basis of, 293, 294;
of savagery, 294, 300, 301;
barbarism, civilization, 294;
elements of, 295;
forms of Christianity, 296;
sects,
Judaism, 297, 298;
Brahmanism, Buddhism, 298, 299;
Polytheism, Roman, 300.

Reptiles, variations about a central theme, 45;
lizard, typical, 46; 157;
embryos of, 171; 200.

Retention of better invention, 109.

Rhinoceros, 41.

Rivers,
Mississippi, 86, 89;
Hoang-ho, Ganges, Thame