of women, 179, 189, 194, 195.
Exploitation of man by woman, 238.
Exogamy, 13, 57, 78, 89, 175-97.

F

Familiarity and sex interest, 194.
Farr, 41.
Fatness, 29.
Fear, paralysis of, 204.
Featherman, 141.
Female, anabolic, 3.
Fenwick, 36, 37.
Ferrero, 47.
Fiske, 107, 226.
Fison and Howitt, 124, 186, 187, 191.
Forsyth, 168.

G

Galton, 290.
Gambetta, brain of, 256.
Game: effect of scarcity of, 143;
preparation of, for food, 138.
Geddes and Thomson, 3, 8.
Genius, 24, 51.
Giordano, 38.
Giraud-Teulon, 82.
Grange, 155.
Grey, 101.
Groos, 112, 208, 209.
Group-marriage, 183.
Growth, law of, in boys and girls, 6.

H

Habit, break in, 207, 218.
Haddon, 190, 213, 214.
Hammurabi, Code of, 276.
Hanna, 21.
Haushofer, 44.
Hayem, 31, 32.
Head-form, 19.
Head-hunting, 155.
Heckenwelder, 129, 131.
Hegar, 29.
Herodotus, 64.
Hernia, 253.
Hobbes, 128.
Hoffman, 142.
Homer, 164, 274.
House, owned by woman, 135.
Hovelaque, 77.
Howitt, 61, 181.
Hunting-pattern of interest, 280.
Huschke, 19.

I

Idiocy, 24, 51, 254;
increase of, 289.
Ill-health in woman, 240.
Imbeciles, 25.
Incident, as social force, 287.
Industry: and sex, 123-46;
organization of, by man, 230.
Infant mortality, 43.
Infibulation, 177.
Ingenuity in lower races, 277.
Inhibition: and art, 283;
in lower races, 263.
Initiation, 90, 153.
Insanity, 24, 51, 254;
increase of, 289.
Insomnia, 35.
Instincts, persistence of, 99.
Intelligence and culture, 260.
Interest, hunting-pattern of, 280.
Interests of savage and civilized, 279.
Invention: and labor, 230;
based on analogy, 278;
psychology of, 277.
Inventiveness of man, 146.
Irving, 140.

J

Jacobs, 13.
James, 98, 201.
Jealousy, 217.
Jennings, 104.
Jews, 12.
Jones, 32, 33, 48, 126, 161.
Judgment, 104.

K

Kane, 76.
Katabolism of male, 3, 33, 35, 40.
Key, 6.
Kinship, bond of clans, 195.
Klebs, 8.
Koch, 26.
Korniloff, 31.
Krafft-Ebing, 29, 115.

L

Labor: and invention, 146;
division of, between sexes, 123, 140, 228;
of primitive woman, 124, 129, 134;
significance of, 123;
woman's exemption from, 127.
Lacanu, 31.
Lawlessness, admiration of, 153;
Lawrie, 36, 37.
Layard, 283.
Laziness of primitive man, 128.
Legal authority, 161.
Legal s