[49] So, again, see a book recently published (“Nature,” vol. xliii, p. 460, 1891), entitled “Whence comes Man, from Nature or from God?” The answer is plain. From both--from God through Nature. Evolution is the method of creation. INDEX Acceleration, law of, 178. African fauna explained, 204. Agassiz, his greatest result, 29, 43; relation to evolution, 32, 37, 43; relation to Darwin, 46; compared with Kepler, 47. Ages of geological history, 16. Alpine species explained, 215. Amphibians, development of, 150. Analogy and homology, 99. _Anima_ of animals, 313, 317. Animal architecture, styles of, 209. Animal kingdom, primary divisions of, 107. 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. Arthropods, 132. Artificial production of varieties, 222. Australia, fauna and flora of, explained, 200; when isolated, 202. Barriers limit faunal and floral regions, 188. Beauty, origin of, 269. Birds’ tails, changes of, 174. 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. Causation, idea of, from within, 342. Cause, first and second, 354. Cells, somatic and germ, 93. Centers of creation, specific, 194. Cephalization, 171. Chambers, his views on evolution, 34. Changes slow at present, 266. Christ, the, 359; relation of evolution to, 359; as an agent in human progress, 363. Close-breeding, effects of, 236, 243. Coast-islands of California, fauna and flora of, 211. Comparison, method of, 41. Conflict between religion and science, 280. Continental faunas and floras, 188. Continental island life, 208. Continuity, law of, 53; law of, applied to inorganic forms, 54; to organic forms, 56. Cope’s law of acceleration, 178. Creation, special, 30, 69; specific centers of, 194; changes in our notions of, 348; question of mode, 358. Cross-breeding, law of, 236. Cross-fertility of artificial varieties, 232. Cross-sterility, 77, 234. Cyclical movement, law of, 16, 22. 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.