and the cinematograph, 304-5
continuity of, 310
in Descartes, 346-7
evolutionary, extensive and qualitative, 302, 303, 311, 312
in general (_i.e._ abstract), 304-5
indivisibility of, 306-7, 311, 336-7, 338
and instinct, 139-40, 331-2
and intellect, 71, 155, 156, 159-60, 273, 274, 298, 317-8, 321, 329,
331-2, 338, 344-5
organization of, 310-1
track laid by motion along its course, 308-11, 337, 338
_See_ Mobility, Movement

Motive principle of evolution: consciousness, 181-2

Motor mechanisms, cerebral, 252, 253, 263, 265

Moulin-Quignon, quarry of, 137

Moussu, 81

Movement and animal life, 108, 131, 132
ascending, 12, 101, 103, 104, 185, 208-9, 210-1, 369-70.
_See_ Vital impetus
consciousness and, 111, 118, 144-5, 207-8
descending, 11-2, 202-4, 207-10, 212, 246, 252, 256, 270, 276, 339,
361, 369-70
goal of, the object of the intellect, 155, 299-300, 302, 303
intellect unable to grasp, 313
mutual inversion of cosmic movements, 126-7, 143, 144, 173-4, 176, 177,
209-10, 212, 217, 218, 222-3, 236, 245-51, 261, 264, 265, 272, 342-3
life as, 166, 176-7
and the nervous system, 110, 132, 134, 180, 262-3
of plants, 109, 135-6
_See_ Mobility, Motion, Locomotion, Current, Tendency, Impetus,
Impulse, Impulsion

Movements, antagonistic cosmic, 128-9, 135, 181, 185, 250, 259.
_See_ Movement, Mutual inversion of cosmic

Multiplicity, abstract, 257, 259
distinct, 202, 209-10, 257. _See_ Interpenetration
does not apply to life, x, 162, 177, 257, 261, 270

Mutability, exhaustion of, of the universe, 244, 245

Mutations, sudden, 28, 62-3, 64-8
theory of, 85-6

Natural geometry, 195-6, 211-2
instrument, 141, 144-5, 150-1
or innate knowledge, 147, 150-1
logic, 161, 194-5
metaphysic, 21, 325-6
selection, 54, 56-7, 59-60, 61-5, 68, 95, 169-70

Nature, Aristotelian theory of, 135, 174
discord in, 127-8, 255, 267
facts and relations in, 368
incoherence in, 104
as inert matter, 161-2, 218, 219, 228-9, 239, 245, 264, 280-1, 303,
356, 359-60, 367
as life, 100, 138, 139-40, 141-2, 143, 144-5, 150, 154, 155-6, 227,
241, 260, 269, 270, 301-2
order of, 225-6
as ordered diversity, 231, 233
unity of, 105, 190, 191, 195, 196-9, 322, 352-7, 358

Nebula, cosmic, 249, 257

Necessity for creation, vital impetus as, 252, 261
and death of individuals, 246 _note_
and freedom, 218, 236, 270
in Greek philosophy, 326-7