Mysticism, the right use and the abuse of the word, 191; and science, supposed difference between, 191-203; what is meant by, 192; and science, the harmony of, as revealed in human history, 203-08; of the Greeks, 205-07, 240-43; and science, the harmony of, as supported by personal experience of Havelock Ellis, 209-18; and science, how they came to be considered out of harmony, 226-35; and science, harmony of, summary of considerations confirming, 235, 236; the key to much that is precious in art and Nature in, 237, 238; is not science, 238-40; æsthetics on same plane as, 330 _n._ _See_ Religion. Napoleon, described as unmitigated scoundrel by H. G. Wells, 8-10; described as lyric artist by Élie Faure, 10. Nature, and convention, Hippias made distinction between, 5; comes through an atmosphere which is the emanation of supreme artists, 166; the attitude of the poet in the face of, 168, 169; the object of Leonardo da Vinci’s searchings, 114, 117, 125; Man added to, 153; communion with, 227; in Shaftesbury’s system, 265; and art, 312, 313. Neo-Platonists, the, 237; asceticism in, 249 _n._ Nests, birds’, and dancing, 36 _n._ Newell, W. W., 41 _n._ Newman, Cardinal J. H., the music of his style, 164. Newton, Sir Isaac, his wonderful imagination, 72; his force of attraction a summatory fiction, 98; represents in England new impetus to sciences, 180; his attempt to study religion, 199-201; religious, though a man of science, 208. Niceforo, Alfred, his measurement of civilisation, 286, 293, 297; tests of civilisation applied to France by, 295-97. Nietzsche, Friedrich, 111; conceived the art of life as a dance, 66, 67; poetic quality of his philosophy, 84; Vaihinger’s opinion of, 94; on Leonardo da Vinci, 115; the “divine malice” of, 155 _n._; laboured at his prose, 182; demolished D. F. Strauss’s ideas, 215; on learning to dance, 277; his gospel of taste, 280; on the Sophists, 302 _n._; on art as the great stimulus of life, 322, 323; on the world as a spectacle, 334, 335; moved by the “masculine protest,” 336; Jesus reproached by, 355. Novelists, their reservoirs of knowledge, 171. Noverre, and the ballet, 57. Ockham, William of, 96. Old Testament, the, and the conception of morality as an art, 276. _See_ Bible, Genesis. Omahas, the, 46. Onions, C. T., 146 _n._ Optimism, and pessimism, 90-92. Origen, on the dancing of the stars, 43. Orpheus, fable of, 61. Osler, Sir William, 72. Pacific, the, creation as conceived in, 2; dancing in, 49. _See_ Lifuans. Pain, and pleasure, united, 278. Painting, Chinese, 29, 32; and sculpture, and the arts of design, 36; of Leonardo da Vinci, 113, 114, 117, 118. Palante, Georges, 337 _n._ Paley, William, 267. Palladius, 358. Pantomime, and pantomimic dancing, 41, 42, 49, 56. Papuans, the, are artistic, 351 _n._