Henley, [180], [236].

Heraclitus, [374].

Herd instinct. See Gregariousness.

Heredity, [202-06].

Hinks, [388].

History, and religion, [314-15].

Hobhouse, [69].

Housman, [129].

Hunger, instinct of, [4], [67].

Huxley, [382], [398].