Animals, relation of man to, 311; spirit embryonic in, 311.
Antiquity of man, religion and, 282; of the earth, religion and, 281.
Aortic arches, proofs of evolution from, 151.
Australia, fauna and flora of, explained, 200; when isolated, 202.
Barriers limit faunal and floral regions, 188.
Brain, vertebrate, proofs of evolution from, 162; vertebrate, changes of, in phylogenic series, 168; relation to mind, 327, 338.
Brain-physiology as a basis for materialism, 306.
Branching tree illustrates evolution, 13-15, 18, 110, 250.
Brooks, W. K., on the cause of variations, 262.
Californian coast-islands, fauna and flora of, 211.
Christ, the, 359; relation of evolution to, 359; as an agent in human progress, 363.
Coast-islands of California, fauna and flora of, 211.
Conflict between religion and science, 280.
Continuity, law of, 53; law of, applied to inorganic forms, 54; to organic forms, 56.
Creation, special, 30, 69; specific centers of, 194; changes in our notions of, 348; question of mode, 358.
Cross-fertility of artificial varieties, 232.
Darwin, relation to Agassiz, 46; compared with Newton, 48; factors of evolution discovered by, 74; objections to his theory of evolution, 76.
Derivation, origin of inorganic forms by, 54; origin of organic forms by, 56.
Design, idea of, from within, 345; argument from, not destroyed by evolution, 346; changes in our ideas of, 348; in Nature, question of, 357.
Differentiation, law of, 11, 19; law of, in embryonic development, 19; law of, illustrated, 144; of the animal kingdom illustrated, 176.
Dogmatism, theological and scientific, 293.
Egyptian species unchanged in three thousand years, 265.
Embryology, proofs of evolution from, 148.
Evil, problem of, relation of evolution to, 365; physical, necessity of, 366; a condition of progress, 366, 373; organic, necessity of, 367; moral, necessity of, 369.
Evolution, what is, 3, 8; scope of, 3; type of, 3, 8; examples of, 5; popularly limited to the organic kingdom, 7; progressive change in, 9; laws of, 11; illustrated by branching tree, 13-15, 18, 90, 250; misconception of, 14; produced by resident forces, 27; germs of the idea, 32; relation of Agassiz to, 32, 37, 43; Lamarck's views on, 33; Chambers's views on, 34; obstacle to, removed, 35; confliction with religion imaginary, 45; how related to gravitation, 49; general evidences of, 53; artificial, 60; observed, 62; certainty of, 65; special proofs of, 67; factors of, 73, 81; human contrasted with organic, 88; monotypal and polytypal, 85; proofs of, from the vertebrate skeleton, 111; from the articulate skeleton, 132; from embryology, 148; from development of amphibians, 150; from aortic arches, 151; from vertebrate brain, 162; from rudimentary organs, 179; from geographical distribution of organisms, 183; explains geographical diversity, 195; objection to this view, 217; answer, 219; proofs of, from artificial modifications, 222; factors of, operative in domestication, 228; paroxysmal, 257; material, nearly completed, 267; thoroughly established, 275; relation to religion, 276, 282; relation to materialism, 284; necessitates great change in religious thought, 295; of forces, 315; relation to revelation, 331; pantheistic objection answered, 335; relation to problem of evil, 365.