Metaphysics, 152, 185, 231, 349, 350, 351, 352; Epicurian, 152; monistic, 349; vs. physical science, 352 Metaphytes, 136 Metazoa, 118 Metazoans, 136, 170, 284 Meteorites, 182, 183 Metista, 5, 59, 136, 156, 157, 159, 163 Microgamete, 158 Microns, 183 Microörganism, 169, 183 Microsomes, 139 Migrations, 72, 76, 112 Millennium, 358 Mimicry, 246 Mind, 195, 196, 198, 203, 204, 205, 207, 208, 209, 211, 222, 223, 249; active and passive, 207; apprehends material objects under dematerialized form, 223; a substance, 207; connotation of, 203; cannot utilize coöperation of material organ in abstract conceptions, 223; frame of, 211; human, 249; of man alleged to be of animal extraction, 195, 196; phenomenalistic notion of, 209; science of, 197; states of, not less real than states of matter, 204; noumenal, 198 Minimum, 238, 349, 350; an empirical rule, not an axiom, 350; principle of, 238, 349, 350 Miocene, 95, 310, 323; Upper, 95 Miracle, definition of, 187 Miraculous, 69, 351-356, 357 Mitachondria, 140 Mitosis, 59, 138, 139, 155 Modification, 7, 41, 42, 45, 46, 51, 77, 80, 123, 307, 327, 334; adaptive, 45, 46, 51, 80; environmentally-induced, 123; heritable, 42, 45, 307; non-inheritable, 334; parallel, 77, 80; product of variation, 41; of specific magnitude, 7; of varietal magnitude, 7 Moeritherium, 115 Molars, 313, 322; teeth, 322 Mole, 36, 80, 291, 305 Mole-cricket, 36, 80 Molecule, 57, 58, 143, 144, 162, 167, 170, 175, 202, 203; biophoric, 57; complex, 202; complex endothermic, 162; living and dead, 143; structure of, 58 Molluscs, 117, 118, 119, 123, 278, 283 Mongolian, 324, 325, 334; cossack, 324 Monism, 350, 351, 352, 359; destructive of culture, spirituality, morality, 350; fail to motivate Christian morality, 358; makes God immanent in world, 359; makes will law unto itself, 359; materialistic, 350, 352 Monist, 350 Monistic view vitiates artistic taste, 352 Monkey, 270, 275 Monomolecules, 165; are not units, 165 Monotremeta, 296 Montana, 107 _note_ Moral consequences of failure to discriminate, 360 Morality, 354, 360; evolutionary conception of, 360 Motor-verbalist, 219 Morphogenetic forces, 58, 284; Laws, uniform, 284 Morphogeny, organic, 298 Morphology, embryonic and adult, 284 Mountain columns, 113 Mountains, 113, 153 Mouse, brain of, 315 Moustier Cave, 329 Movements, 241, 242; reflex, 242; spontaneous, 241, 242. Mule, 5 Müllerian duct, 281