INDEX 



deemerof the physical world, 269- 

 271, 276; spiritual insight gained 

 through, 278. 



Sea-urchins, Loeb's experiments, 

 147. 



Seed, growth of, 217, 218. 



Soddy, Frederick, 46, 66; on vital 

 force, 133; on rainbows and rab- 

 bits, 174; on the relation of life to 

 energy, 177-180; on the atom, 

 197, 198; on atomic energy, 204. 



Spencer, Herbert, 218, 240; quoted, 

 15, 16; on the origin of life, 26; 

 on vital capital, 34, 35. 



Spirit, common view of, 274, 275. 



Spirituality, evolution of, 284. 



Sugar, grape, 208. 



Sunflower, wild, force exerted by, 19. 



Thomson, J. Arthur, 270. 



Thomson, Sir J. J., on electrons, 

 197; photographing atoms, 199, 

 200. 



Tropisms, 11. 



Tyndall, John, his view of life, 28- 

 30, 160, 162, 231; his "molecu- 

 lar force," 42, 133; his Belfast 

 Address, 64, 219; and the "mir- 

 acle of vitality," 105; on energy, 

 161; on growth from the germ, 

 217; an idealist, 219, 220; on 

 Goethe, 221; on matter, 260; on 

 crystallization of salt, 276, 277; 



on incipient life in inorganic na- 

 ture, 277. 



Universe, the, oneness of, 267, 268; 



a view of, 289. 

 Uranium, 67. 



Verworn, Max, 25, 79, 146; his view 

 of life, 30, 31, 73; his term for 

 vital force, 145. 



Vital force, constructive, 7, 38; in- 

 ventive and creative, 7; resisting 

 repose, 40; as a postulate, 99- 

 103; its existence denied by sci- 

 ence, 133; convenience of the 

 term, 144; other names, 144-146. 

 See also Life. 



Vitalism, making headway, 32; 

 reason for, 71, 72; Moore's scien- 

 tific vitalism, 106-112; type of 

 mind believing in, 218-223. See 

 also Life. 



Vitality, the question of its reality, 

 140-143; degrees of, 241, 242. 

 See also Life. 



War of 1914, 248-251. 

 Water-power, and electricity, 67, 68. 

 Weismann, August, 217. 

 Whitman, Walt, quoted, 14, 48, 



110, 256, 260. 

 Wilson, Edmund Beecher, on the 



cell, 95. 



