from a handkerchief, 204

from a housebreaker's tool, 244

from a hurt leg, 388

from a hydra, 119

from a journey to Edinburgh, 274

from a knife cutting itself, 388

from a man sitting on and sawing a
tree's branch, 134

52

from a mendicant, 478

from a negro, 137

from a railway guard, 170

from a ring of different metals, 267
from a soap-bubble, 116
from a somnambulist, 199
from a statue, 515
from a tiger, 354, 421
from a weather-cock, 273
from a yard measure, 46

from action of pruning-knife, 515
from an oak, 212, 215, 225, 252
from an orange, 93, 193-195

from armchairs and champagne, 270
from arrival of expected guest, 268
from artist and his canvas, 456
from balls in a bag, 273
from banks and trades unions, 444
from bigamy, 250

from blacksmith's arm, 169, 376
from broken marble statue, 248
from brood of young birds, 467
from calculating machines, 448
from cart-horse, 41

from cat's movements, 49, 350

from collision of two sidereal bodies,

tion, 475

from Lord Beaconsfield, 19

from Lord's Prayer, 228

from Marie Antoinette, 489

from megatherium, 82

from mother and children, 46
from parricidal act, 249, 250, 282
from perspective drawing, 90
from photograph of the queen, 216
from piano-playing, 187, 198
from planet Neptune, So

from posts feeling and crystals calcu-
lating, 444

from pronunciation of B, 214
from propulsion by the wind, 190
from running upstairs, 156

from sick man well-nursed, 249
from sneezing and spitting, 267

from square pentagon and dark lumi-

nosity, 448

115

from stone-throwing, 156, 157
from sunset, 123, 242

from the author and his reader, 268
from the brain of a philosopher, 467
from the dog-star, 39

from the striking of a clock-bell, 92,

Illustration from wine spilt, 466, 467
of causation, by a stone, 50

of direct perception, 21
of failure of memory, 29, 30
of inference, 53-59, 92, 123
of soul of man and brutes, 434
Illustrations of animal cognition, 350, 351
Illustrious men idealists, 71

Image of God, man created in, 480
Images, mental, 185

their association, 185

of things not perceived, but things
themselves, 93

Imaginable, credible proposition and the
reverse, III, 112
Imagination, 185

462

and conception, III, 112
craving a harmony, 200

its deceptions respecting creation,

necessary for ideas, 88, 237
of perfume, etc., 442

the, its delusions, 411
the language of, 196, 197
the, suggests motion when we think
of thought succession, 417
-, tyranny of, 412

Imaginations, an amalgam of, does not
constitute an idea, 105

exist beside perceptions, 105

of words or movements necessary for
thought, 224

Imitation, tendency to, 195, 196
Immanent activity, an, in each organism,
422, 432

finality, 493

Immaterial and material activities, 267
chain of energies and actions in us,

267

principle, the, is the organism, 432
principles, embodiment and disap

pearance, 507

form five orders, 433, 435,
Immateriality of thinking principle, 388
Immortality and science, 490

491

belief in, 286, 490

benefit of possible doubts about, 490,

involved in morality, 490

of the soul and justice, 470, 490
Impediments, physical, to thought or
speech, 227

Imperceptible tones, 118

Imperfection of the intellect implied in in-
ference, 58, 59

Implanting part of one animal in another,

339, 439

Implements, use of, 278

Implication, a mistake as to one respecting
certainty of feelings, 19

of a relation in goodness, 248

Implicit and explicit knowledge, difference
between, 55

and explicit perception of self and
feelings, 21-24

knowledge not actual knowledge, 55
truths made explicit by the syllogism,

55
Importance of the distinction between
our lower and higher mental faculties,
203
Important truths ignored by idealists, 88
Impossibilities even of God both being and
not being, 43

for Omnipotence, 385, 469
Impossibility of action with nothing acting,
386

467

391

of an organ of thought, 388

of anything causing its own origin, 49
of defeating God's purpose in nature,

of denying the soul's existence, 390,

of derivation of ethics from feelings,
246

of doubting a present feeling, 17

of doubting the mind's existence, 138,
139

of drawings generating reason and
language, 234, 235.

of feeling what is past, 36, 37
of good without suffering, 469
of having a feeling of being, 208, 209
of having ideas without imaginations,
88, 237

of imagining motion and only one
body, 411, 412

of imagining the soul's existence, 490
of unmodified existence, 19
of knowing feelings without knowing

self, 24, 25

Impotence of conception, no test of truth,

4I

Improvements, their tardiness and theism,
486

Impulse, dominant, 198

Impulses, spontaneous and original, 10
Inadequacy of idealism for physical science,
81, 83

probable, of our idea of light, 115
Incipient structures and natural selection,

521
Inclination and volition, plain distinction
between, 271

Income and outcome, 329

Incomplete and complete principles, 439
Inconceivability of the "how" of creation,
463

Inconsistency between science and ideal-
ism, 81, 83

Increase of service and dependence, 494
Increasing number of witnesses lessens
chance of error, 61

Independent origin of similar structures,
519
India, 369

Indian butterflies, 377

turkeys, 378

Indians, American, 283

Cheyenne ones, degraded, 291

Indigo, 501

Individual and universal reason, 138
development of, 502

must be an organism, 329
physiology of, 389

-, psychogenesis of, 509, 510

reason participates in universal reason,
138, 446

the, reactions of, 365

Individual's life has the whole body for its
organ, 169

Individuation, principle of in organisms,
422

principles of, their orders, 433, 435
Indivisible being alone uncaused, 50
Induction, 58, 220

Inductions, complete ones, 56

Infallible perception of a present feeling, 17
Infancy and evolution, 294, 523
Infant's first sucking action, 184
Infants potentially rational, 294, 523
think before they speak, 234

Inference, a valid process, 53-58
as to sun's motion, 123

58

implies imperfection of the intellect,

- might not exist in a higher nature than
ours, 59

no less wonderful than perception, 93
not contained in perception, 92, 93, 16
present in syllogisms, 54

-, sensuous, 194, 195

Instinct, Condillac's hypothesis about, 361
Darwin's hypothesis about, 515
definition of, 427

Instinctive feelings, 184
Instincts and Bichat, 175
in birds, 358, 359

275

in wasps, 359

its artificial evocation supposed, 365
Lamarck's hypothesis about, 362
Montaigne's hypothesis about, 361
moral ones, can be formed by man,

not invariable, 365, 366
of carpenter bee, 359

of Emperor moths' larva, 361, 516
of grub of stag-beetle, 361, 362
of shamming death, 361, 517
of sphex, 359
Instrumental cause, 515
Intellect acts as a cause, 268
and death, 490

and First Cause, 455
and God, 460

as acting in perception, 112
has no organ, 388

inference implies its imperfection, 58
its declarations about qualities, 114
its declarations as to its own truth,
217

59

not sensation, contains certainty, 113
of man needs sensations, 88, 237
of man, study worthy of it, 499
one higher than ours need not infer,

supreme over sense, 112, 113

the, can have no organ, 388

the root of thought and language, 234
Intellect's presence not proved by tricks of
reading or speaking, 352

Intellectual activity and consciousness,
180, 187, 264, 448

225

and emotional language contrasted,

attention, 262

cognition and feeling accompany the

exercise of the will, 222
degradation, 292, 293
intuition, 220

knowledge and sense cognition dis-
tinguished, 207, 220

-, mystery of, parallel with that of

sensation, 45

268

memory, 220

perception, 204, 207, 208
thimble-rigging, 135

volition distinguished from organic,

Intelligence, a term as misused, 140
formal and material, 449, 460

460

in nature, material, not formal, 449,