Endomixis, 161, 162, 163, 178 Endoskeletal, 36 Energy, 172, 174; content, 174; defined, 172; kinetic and potential, 172 Energy-environment, 168 Enlightenment, 244, 245 Entelechy, 172-175, 199, 200, 202, 210; definition of, 200; Aristotelian sense perverted by Driesch, 172; a constant in living units, a variant in inorganic units, 175, 200, 202, 210; common to inorganic units and living organisms, 173, 174; consubstantial with matter, 202; entitive, not dynamic, 172, 201; equivalent to static affinity or structural valence, 173; inorganic, 174; not an agent but a specifying type, 201 Entitive, 206 Environment, 6-9, 12-15, 42, 46, 152, 153, 174, 180-182, 261, 307; cosmic, of life, 180, 181; internal, 14, 15; not a mechanism for molding organisms, 152, 153 Environmental conditions, 15, 16, 68, 123, 284 Environmental stimulus, 255 Enzymes, 143 Eoanthropus, 320, 322, 323, 342; a combination of simian and human remains, 342; Dawsoni, 320-323, 342; jaw older than cranium, 322 Eocene, 115, 309, 313, 317; Lower, 313; Middle, 115 Eoliths, 154, 321 Eosin, a sensitizer, 147 Epeira, 248, 249 Epicyclic subterfuges, 110 Epigenesis, 3, 4 Epiphysis, 292 Equus, 5, 95, 113; American and European, 113; asinus, 5; caballus, 5 Erosion, 105, 109 Eskimo, 330, 338; language more complex than English, 338 Euphemisms, 351 Europe, 112, 113, 335 Eurypterids, 117 Events, 208 Evolution (active and passive) of life from inorganic matter, 132, 133 Evolution (alleged) of human soul, 194, 195, 268, 352 Evolution (alleged) of human body, 268, 309, 343 Evolution, xi-xiv, 2, 3, 6, 7, 8, 17, 19, 20, 21, 28, 29, 31, 32, 34, 43, 44, 45, 63, 66, 70, 74, 75, 76, 78, 79, 80, 83, 86, 90, 92, 97, 105, 116, 117, 123, 124, 125, 131, 193, 194, 267, 268, 291, 297, 304, 309, 325, 335, 339, 349-361; aspects, moral and social, of, 353-361; causes of, 2, 6; evidence for, experimental, 3, 7, 8, 17, 28 —inferential or circumstantial, 3, 8, 125 —genetical, 8, 18, 28, 29 —zoological, 8, 34, 66, 76 —palæontological, 3, 8, 66, 74-76, 78, 79, 80, 83, 92, 97, 105, 126; fact of, 2, 86, 124, 126; heliocentric theory not on a par with, xii, xiii, law of, 1, 123; monistic basis of, 349-353; necessary as hypothesis, not as dogma, xi; senses of, 2, 74, 75, 131; spirit not a product of, 193, 194, 268; systems of, 1, 29, 31, 349; Augustinian, 32, 74, 75; Batesonian, 18-21, 43, 44, 79; monophyletic, 69, 70, 116, 117; polyphyletic, 70; progressive, 44, 45, 116 Evolutionary thought, crisis in, 3, 29 Evolutionists, 279 Exoskeletal, 36