ociety.

Habit, as time-saver; importance of in morals; language as a; of reflection,
importance of; strength of in individual; in society.
Habits, and emotion; and instincts; disserviceable; education a deliberate
acquisition of; formation of, influence of on thinking; modification of
by reflection; of mind; specific not general; transference of.
Hard, William.
Harrison, Jane.
Hart.
Hate.
Health, influence of on learning.
Hegel.
Henley.
Heraclitus.
Herd instinct. _See_ Gregariousness.
Heredity.
Hinks.
History, and religion.
Hobhouse.
Housman.
Hunger, instinct of.
Huxley.

Ideals, created by reflection; devotion to; foundation of; realization of
in art; in morals; in religion.
Ideas, expressed in art; fear of the novel in; man alone reacts to.
Imagination, as form of mental activity; in art; in science. _See also_
Creative activity.
Impotence. _See_ Need.
Impulses. _See_ Instincts.
Individual, and education; differences (_see_ Differences, individual);
maladjustment between environment and.
Individualism.
Individuality, and progress; consciousness of unique in man; in opinion
and belief.
Induction.
Industry, art as an; individual differences in; need of
creative activity in.
Infancy, prolonged period of in man.
Inquisition.
Instinct, and habit; acquisitive; definition of; of curiosity; fear;
gregariousness; hunger; leadership; mental activity; parental; physical
activity; pity; play; pugnacity; self-preservation; sex; shelter;
submission; sympathy.
Instincts, and education; and emotion; basis of morals; conflict of;
control of; happiness comes from satisfaction of; interpenetration of;
modification of; number and variety of; repression of; specific not
general; unchanged since prehistoric times.
Intelligence, a conscious adjustment of habits; influence of heredity on,
of race, of sex; makes possible control of nature; measurement of; types of.
Interests, conflict of in society.
Intolerance.
Intuition.
Intuitionalism.
Invention of tools.

James, William.
Jennings.
Jevons.
Job.
Jones, A. L..
Joy, religious expression of.

Kant.
Kelvin.
Kerr-Lawson.
Keyser.
Kropotkin.

Ladd.
Lang.
Lange.
Language, and emotion; and logic; and thought; as a social habit; changes
in; importance of for civilization; man alone possesses; origin of;
primitive; uniformities in.
Law, and morals; and society; scientific.
Leadership, instinct of; submission to.
Learning, af