34, 173-4
consciousness and instinct, 145, 167, 173
continuity of instinct with organization, 139, 145
fallibility of instinct in, 172-3
instinct in general in, 169, 173-4
language of ants, 157-8
object of instinct in, 146
paralyzing instinct in, 146, 171, 172-3
social instinct in, 101, 157-8, 171
special instincts as variations on a theme, 167.
_See_ Arthropods in evolution

Insensible variation, 63, 66

Inspiration of a poem an undivided intuitive act, contrasted with its
intellectual imitation in words, 209, 210, 258.
_See_ Sympathy

Instantaneity of the intellectual view, 31, 70, 84, 89, 199, 201-2, 207,
226, 249, 258, 273, 300-6, 311, 314, 331-3, 342, 351, 352

Instinct and action on inert matter, 136, 141
in animals as distinguished from plants, 170
in cells, 166
and consciousness, 143-5, 166, 167, 173, 174, 175, 186
culmination of, in evolution, 133, 174-5.
_See_ Arthropods in evolution, Evolutionary superiority
fallibility of, 173-4
in insects in general, 169, 173-4
and intelligence, xii, 51, 100, 103, 113, 116-8, 132-7, 141-3, 145, 150,
152, 159, 168-70, 173-9, 184-5, 186, 197-8, 238, 246, 254, 255, 259,
267, 268, 343, 345, 366
and intuition, 177, 178-9, 181
object of, 146-52, 165, 168, 172-9, 186, 189, 195, 234, 254
and organization, 23-4, 138-40, 145, 166-8, 171-2, 173, 176, 193,
194, 264
paralyzing, in certain hymenoptera, 146, 171, 172-3
in plants, 170, 171
social, of insects, 101, 157-8, 171

Instinctive knowledge, 148, 167, 168, 173-4
learning, 193
metaphysics, 192, 269, 270, 277

Instrument, action as, of consciousness, 180
animal, is natural; human artificial, 139-43
automatic activity as instrument of voluntary, 252
consciousness as, of action, 180
intelligence: the function of intelligence is to construct
instruments, 159, 192-3
intelligence transforms life into an, 162
intelligence transforms matter into an, 161, 198
intelligence: the instruments of intelligence are artificial, ix, 137-9,
140-1, 150-1
natural or organized instruments of instinct, 140-1, 145, 150

Intellect and action, ix, 11, 29, 44-8, 93, 136, 142, 152-7, 162, 179,
186, 187, 192, 195, 197-8, 219, 220, 226-9, 251, 270, 273, 297-9, 301,
302, 306, 329, 346-7
in animals, 187
Fichte's conception of the, 189, 190, 357
function of the, 5, 11, 12, 44-50, 92, 93, 126, 137-45, 149-60, 162-4,
168, 174, 176, 1