686 



INDEX 



Snail, freshwater, and liver-fluke, 



123 



Social animals, 359 

 Social heritage, 479, 497 



selection, 563 

 Sociosphere, 354 

 Soddy, Prof. F., 19, 68, 69, 114, 



153 



Solar system, 71 

 Solipsism, 12, 240 

 Sollas, Prof., 401, 547 

 Sorley, Prof., W. R., 373 

 "Sorting demons" (Clerk Max- 

 well), 120 

 "Soul," 229 

 Soul-theory or animism. 

 Specialised types, extinction of, 



574 

 Specificity of instinctive behaviour, 



200 



of metabolism, 84 

 Spectroscope, 15 

 Spencer, Herbert, 92, 301, 613 

 Spenser on numbers of sea-animals, 



51 



Spiders, 213 

 Spinoza, 267, 294 

 Spirals, 272 



Spiritual influx theory, 372 

 "Spontaneity," 70 



of animal behaviour, 220 

 Spontaneous division, 103 

 Sponge, 89 



Starfish attacking sea-urchin, 196 

 behaviour of, 99 

 (Luidia), fertility of, 53 

 Starfishes, tentative movements in, 



190 



Stars, Chaldeans knowledge of, 3 

 Stentor, 184, 511 

 Stimulation, effects of repeated, 



213 



Stoicism, 373 



Stout, Prof., 22, 38, 207, 243 

 Strategy behind evolution, 574 

 Struggle for existence, 57, 293-296, 



588 



forms of, 299, 300 

 interspecific, 297 

 intra-germinal, 429 

 misconception of, 301 

 Studies in Animal Behaviour, 458, 



465 

 Study of Nature and the Vision 



of God, Blewett, 375 

 Stumpf, Prof., 250 



Subjective idealism, 239 



Successful expression, beauty as, 

 277 



Sully, Prof. James, 358 



Supremacy of mind, 242 



Suspended animation, 89 



Swallow, homing of, 122 



Symbolism in beauty, 283 



Symbols, thought-economising, 11 



Synthetic explanation, 115 



Synthesis, creative, 355 



Systema Naturae, 52, 234 



Systematisation in organic do- 

 main, 66 



Tashiro's " Viometer," 422 



Taylor, Prof. A. E,, 37, 38, 129 

 Mr. Dixie, 538 



Technitella, 185, 279, 432 



Teleological Faculty of Judgment, 

 110 



Teleological Interpretation, 333 



Temporal Variations, 425, 557 



Temperature of blood, 120 



Tentative reflexes, succession of, 

 190 



Terns, homing of, 125, 198 



Time, relativity of, 23 

 trafficking with, 180 



Theism, 373 



Theodicy, 30 



Theology, 13, 313 



Therodynamics, laws of, 114, 

 164 



Theromorphists, 554 



Theromorphism, 620 



Things-in-general (Butler), 72 



Things and living creatures, 49 



Thompson, Prof. D'Arcy, 112, 135, 

 159, 449 



Thomson, Geddes and, 463 

 Sir J. J., 10, 648 

 Miss M H., 611 



Thorndike, Prof , 215 



Thought-life and brain-life, 236 



Torpedo-fish, 115 



Tower, Prof, 414, 419 



Transfer of energy, 96 



Transformism, experimental, 60 



Transilient variations, 411 



Transmissibility of minute varia- 

 tions, 412 



Trees, effect of snow on, 445 



Trial and error, method of, 182, 



196, 217, 511 

 movements, 195 



