in, 180;
after-dreams, 183, 274;
relation of, to hypnotic condition, 185;
experience of, in relation to errors of memory, 273.

E.

Eccentricity, law of, 59.

Ego. _See_ Self.

Emotion, and illusion of perception, 103;
and hallucination, 115;
and bodily sensations, 150;
control of dreams by, 164;
introspection of, 199;
and illusion of introspection, 203;
and aesthetic intuition, 213;
and illusion of memory, 270;
and illusion of belief, 306, 324;
and cognition generally, 357, note[159].

Empiricism, philosophic, 348.

_Ennui_, and sense of time, 250.

Environment, sources of sense-illusion in, 47, 48, 70;
view of, in mental disease, 290, 326;
view of, in normal life, 323;
action of, in assimilating belief, 339.

Error, immediate and mediate, 6, 334.

Esquirol, J.E.D., 12, note[2].

Evolution, relation of, to dissolution, 122;
of power of introspection, 209;
of power of insight, 230;
and self-assertion, 320;
evolutionist's view of error, 339;
doctrine of, as science, 346.

Exaggeration, in interpretation of sensations, 65;
in dream-interpretation, 147;
in memory, 269.

Expectation, preliminary to perception, 30;
and illusory perception, 93, 102, 106;
nature of, 295;
and memory, 298;
of new experience, 301;
of remote events, 302;
measurement of duration in, 302;
action of imagination in, 305;
extension of meaning of, 307, 308.

Experience, effect of, in perception, 22, 68, 85, 86, 91;
external and internal, 194, 210;
revivals of waking, in dreams, 152;
effects of present, on retrospection, 267;
anticipation of new, 301.

External world. _See_ World.

F.

Fallacy and illusion 6, 335;
of testimony, 265.

Familiarity, sense of, in new objects, 272, 281.

Fechner, G.T., 51.

Ferrier, Dr., 32, note[12], 58, note[26].

Fiction, as producing illusion, 278, 279, 311.

Fitness. _See_ Adaptation.

Flattery, _rationale_ of, 200, 222.

Forgetfulness and illusion, 278, 279, 311.

Free-will, doctrine of, 207, 342, 356.

Future. _See_ Expectation.

G.

Galton, F., 117.

Ghosts. _See_ Hallucination.

Goethe, 116, 117, 280 and note[131].

Griesinger, W., 13, note[2], 63, note[31], 66, note[32], 115, 118,
note[62], 119, note[64], 120, note[66], 290, note[135], 327,
note[1