in induction, 215, 216
and matter, 252, 264

Negation, 275, 285-97. _See_ Nought

Negative cause of mathematical order, 217. _See_ Inverse relation, etc.
cosmic principle, 126-7, 143, 144, 173-4, 176-7, 209, 212, 218, 223-4,
236, 245-51, 261, 264-5, 272, 243.
_See_ Inert matter, Opposition of the two ultimate cosmic movements, etc.

Neo-Darwinism, 55, 56, 85, 86, 169-70

Neo-Lamarckism, 42 _note_

Nervous system a centre of action, 109, 130-1, 132, 134-5, 180, 253, 261-3
of the plant, 114
primacy of, 120-1, 126-7, 252

Neurone and indetermination, 126

New, freedom and the, 11-2, 164, 165, 199-200, 218, 230, 239, 249,
270, 339-42

Newcomen, 184

Newton, 335

Nitrogen and the function of organisms, 108, 113-4, 117, 255

[Greek: noeseos noesis] of Aristotle, 356

Non-existence. _See_ Nought

Nothing. _See_ Nought

Nought, conception of the, 273-80, 281-3, 289-90, 292-8, 316-7, 327.
_See_ Negation, Pseudo-ideas, etc.

[Greek: nous poietikos] of Aristotle, 322

Novelty. _See_ new.

Nucleus intelligence as the luminous, enveloped by instinct, 166-7
in microbial colonies, 259
intelligence as the solid, bathed by a mist of instinct, 193, 194
of Stentor, 260

Number illustrating degrees of reality, 324-5, 327
logic of, 208

Nuptial flight, 146

Nutritive elements, fixation of, 107-9, 114, 117, 246, 247, 254

Nymph (Zool.), 139, 146

Object of this book, ix-xv
of instinct, 146-52, 163, 175-9
of intellect, 146-52, 161-5, 175, 179, 190-1, 199-200, 237, 250,
252, 270, 273, 298-304, 307-8, 311-2, 354, 359
internality of subject in, the condition of knowledge of reality,
307-8, 317-8, 359
of knowledge, 147, 148-9, 159-60
idea of, contrasted with that
of universal interaction, 11, 188-9, 207-8
of philosophy as contrasted with object of science, 195-6, 220-1, 225-6,
227, 239, 251, 270, 273, 297-9, 305-6, 347
of science, 329, 332-3, 335-6

Obliteration of outlines in the real, 11, 188, 189, 207-8

Oenothera Lamarckiana, 63, 85-6

Old, growing. _See_ Age
the, is the object of the intellect, 163, 164, 199, 270

One and many in the idea of individuality, x, 258. _See_ Unity

Ontological argument in Kant, 284

Opposition of the two ultimate cosmic movements, 128-9, 175-6, 179,
186, 201, 203, 238, 248, 254, 259, 261, 267.
_See_ Inverse relation of the physical and psychical

Orchids, instincts of, 170

Order and action, 226-7