Attack and defence in evolution, 131-2 Attention, 2, 148-9, 154, 184, 209 discontinuity of, 2 in man and in lower animals, 184. _See_ Tension and instinct, Tension as inverted extension, Tension of personality, Sympathetic appreciation, etc., Relaxation and intellect Attraction and impulsion in Greek philosophy, 323, 324 Attribute and subject, 148 Automatic activity, 145 as instrument of voluntary, 252 order, 224, 231-4. _See_ Negative movement, etc., Geometrical order Automatism, 127, 143-4, 174, 223-4, 261, 264 Background of instinct and intelligence, consciousness as, 186 Backward-looking attitude of the intellect, 47, 48, 237 Baldwin, J.M., 27 _note_ Ballast of intelligence, 152, 230, 239, 369-70 Bastian, 212 _note_ Bateson, 63 Becoming, 164, 236, 248-9, 273, 299-304, 307-8, 313-4, 316, 337-8, 342-3, 345, 363 in ancient philosophy, 313-4, 317 in Descartes's philosophy, 346 in Eleatic philosophy, 313-4, 315 in general, or abstract becoming, 304, 306-7 instantaneous and static views of, 272, 304-5 states of, falsely so called, 164, 247-8, 273, 298-301, 307-8 in the successors of Kant, 363. _See_ Change, New, Duration, Time, Views of reality Bees, 101, 140, 142, 146, 166, 172 Beethoven, 224 Berthold, 34 _note_ Bethe, 176 _note_ Bifurcations of tendency, 54. _See_ Divergent lines of evolution Biology, 12, 25, 26, 31-2, 43, 168-9, 174-5, 194-6 evolutionist, 168-9 and philosophy, 43, 194-6 and physico-chemistry, 26 Blaringhem, 85 Bodies, 156, 188, 189, 300-1, 360. _See_ Inert matter as a relaxation of the unextended into the extended defined as bundles of qualities, 349 Bois-Reymond (Du), 38 Boltzmann, 245 Bombines, social instincts in, 171 Bouvier, 142 _note_ Bow, strain of, illustrating indivisibility of motion, 308-10 Brain and consciousness, 5, 109, 110, 179-80, 183-4, 212 _note_, 252, 261-4, 270, 354, 356, 366. _See_ Nervous System in man and lower animals, 183, 184, 263-5 Brandt, 66 _note_ Breast-Plate, in reference to animal mobility, 130, 131. _See_ Carapace, Cellulose envelope Brown-Séquard, 80-2 Bulb, medullary, in the development of the nervous system, 110, 252 Busquet, 259 _note_ Bütschli, 33 _note_ Buttel-Reepen, 171 _note_ Butterflies, in illustration of variation from evolutionary type, 72 Caelo (De), of Aristotle, 322 _note_, 324 _note_ Calcareous sheath, in reference to animal mobility, 130-1 Calkins, 16 _note_ Canal, in illustration of the relation of function and structure, 93 Canalization, in illustration of the function of animal organisms, 93, 95, 110, 126, 256, 270 Canvas, embroidering "something" on the, of "nothing," 297 Caprice, an attribute not of freedom but of mechanism, 47 Carapace, in reference to animal mobility, 130-1 Carbohydrates, in reference to the function of the animal organism, 121-2 Carbon, in reference to the function of organisms, 107, 113, 114, 117, 254, 255