te_, 314-5, 323, 324 _note_, 349, 352, 353

Plurality, confused, of life, 257.
_See_ Interpenetration

Poem, sounds of, distinct to perception; the sense indivisible to
intuition, 209
illustrating creation of matter, 240, 319-20

[Greek: poietikos, nous], of Aristotle, 322

Polymorphism of ants, bees, and wasps, 140
of insect societies, 157

Polyzoism, 260

Positive reality, 208, 212. _See_ Reality

Positivity, materiality an inversion or interruption of, 219, 246,
247-8, 319-20

Possible activity as a factor in consciousness, 11, 12, 96, 144, 145,
146-7, 158-9, 165, 179, 180, 181, 189, 264, 368
existence, 290, 295

Post-Kantian philosophy, 362, 363

Potential activity. _See_ Possible activity
genera, 226
knowledge, 142-7, 150, 166

Potentiality, life as an immense, 258, 270
zone of, surrounding acts, 179, 180, 181, 264. _See_ Possible activity

Powers of life, complementarity of, xii, xiii, 26, 27, 51-5, 97-105, 110,
113, 116-8, 119, 126-7, 131-6, 140-3, 176, 177, 183, 184, 246, 254, 255,
257, 266, 270, 343, 345

Practical nature of perception and its prolongation in intellect and
science, 137-41, 150, 193-4, 196, 197, 206, 207-8, 218, 247-8, 273,
281, 305, 306-7, 328, 329

Preestablished harmony, 205-6, 207

Present, creation of, by past, 5, 20-3, 26-7, 167, 199-202

Prevision. _See_ Foreseeing

Primacy of nervous system, 120-6, 252

Primary instinct, 138-9, 168

Primitive organisms, ambiguous forms of, 99, 112, 113, 116, 129, 130

"Procession" in Alexandrian philosophy, 323

Progress, adaptation and, 101 ff.
evolutionary, 50, 133, 134, 138, 141-2, 173-4, 175, 185, 264-5, 266

Prose and verse, illustrating the two kinds of orders, 221, 232

Protophytes, colonizing of, 259

Protoplasm, circulation of, 32-3, 108
and senescence, 18, 19
imitation of, 32-3, 35
primitive, and the nervous system, 124, 126-7
of primitive organisms, 99, 108, 109
and the vital principle, 42-3

Protozoa, association of, 259-61
ageing of, 16
of ambiguous form, 112
and individuation, 14, 259-61
mechanical explanation of movements of, 33
and nervous system, 126
reproduction of, 14

Pseudo-ideas and problems, 177, 277, 283, 296

Pseudoneuroptera, division of labor among, 140

[Greek: pschne] of Aristotle, 350
of Plotinus, 210 _note_

Psychic activity, twofold nature of, 136, 140-1, 142-3
life, continuity of, 1-11, 29-30

Psychical exis