Substance, 209 Substantial composite of body and soul, 203 Succession, 75, 76; to be distinguished from filiation, 75; not descent, 75, 76 Sunlight, once richer in actinic rays, 148 Superciliary ridges, 272 Superorganic, 240 Superorganic functions, 214, 227; have soul as their exclusive agent and recipient, 214 Superorganic functions, soul alone active cause and receptive subject, 203 Supernatural, 186, 187; defined, 187 Supernumerary, 303, 304, 306; mammary glands, 304; organs, 303, 304 Superposition, 93, 101, 111; as a criterion of comparative antiquity, 93; criterion of, confined to local areas, 101 —not available for correlation of strata in different localities, 101; only safe means of distinguishing between spatial and chronological distribution, 101, 111; restricted to local areas, 93 Suppression of organs, 305 Sweden, 289 Syllogisms, of no avail against facts, 226 Symbiosis, 52, 124 Symbiotes, 46, 53 Synapsis, 17, 25 Syngamy, 5, 25, 156, 157-161; essential to biparental inheritance, 160; means of rejuvenation, 161; qualification of a true species, 5 Synthesis, chemical, spontaneous and artificial, 151, 152 Systems, 96, 101, 141, 142, 151; colloidal, 142; complete polyphasic, 142; how determined, 96; of rocks, 96; of strata, 101; polyphasic, 141; protoplasmic, 141, 142; simple, 151 Systematist, 46, 121 Tactisms, 204 Tactualist, 219 Taenia, 248 Taiga, 91 Tarantula, 247, 263 Tasmanian blacks, 325 Tautomerism, 202 Taxonomic questions, 334 Taxonomist, 128 Taxonomy, 36, 37, 38, 77, 101, 121, 122, 123, 320; fossil, 101, 122 —basis of correlation, 101 —arbitrary and unreliable, 122; homology, basis of, 36; influence of palæontology, 77; need of revision in, 121, 123 Teleological, 225 Teleology, 154, 240, 248, 249, 259, 267; a material expression of intelligence, 259; does not entail vibrant intelligence, 259; its combination with sentient consciousness, 240; of organisms, 154; of artefacts, 154; psychic implication of, 154; unconscious, 240 Teleosts, 120 Telic, 150, 249; phenomena of nature, 249 Terebratulina, striata, 118, 120; caput serpentis, 118 Termitomyia, 46 Termitoxenia Heimi, 48 Tertiary, 72, 82, 99, 100, 104, 109, 111, 112, 113, 118, 154, 270, 308, 311; ancestor, 312; Man, 154 Tertiary envelopes of eggs, 300 Tethelin, 294 Tethys, 109 Tetraploid race, 23, 45; origin of, not yet observed, 23 Tetraploidy, 22, 23, 44 Thigh, bone, 316, 317 Third eyelid, 296, 297 Third Interglacial Period, latter half of, 331 Thoatherium, 78