Amphibia, frogs, salamanders, a lower class, 45, 62; order of evolution of, 63; evolved from fishes, 64; most primitive backboned animals, 92; 94, 157; embryos of, 171; 200. Anatomy, of mind, 202. Ant-bears, 42. Anthropoidea, 160. Anthropology, 177; methods and results of, 186; types of, 186, 187; comparative, of mind, 211. Anthropometry, 177. Ants, communities of, 125; mental life of, 207, 208; organizations of, 260, 263, 264. Apes, 158; susceptible to training, 210; line from Amoeba, 231. Appendix, vermiform, 168. Apteryx, wingless bird of New Zealand, 44, 200. Arachnida, 49. Archaeopteryx, a famous "link," 99. Ares, 300. Armadillo, 42. "Arts of life," 226-230; dwellings of men, utensils, 227; history of clothing, 228; arts of pleasure, 228-230. Atom, carbon, 22; nitrogen, 23; hydrogen, oxygen, 24; chemical, 25. Atua, 301. Azores, animals of, 103. Bacteria, amazing production of, 123; relation of, 127. Baldwin, 148. Bandicoot, 42. Barnacles, really crustacea, 50. Bats, 41, 94. "Beagle," 102, 117, 136. Bear, 38, 39. Bees, mental life of, 207, 208; nervous system of, 232, 256, 257; organizations of, 260, 261, 262; queen, workers, 262, 263. Beetles, 67. Bernier, 183. Bertillon, 183. Birds, 44; have they descended from gill-breathing ancestors? 61; evolution of, 63; primitive, 99; embryos of, 171, 200. Blastula, 68. Blumenbach, 183. Bonnet, 70. Borneo, 164. Brachiopods, 95. Brahma, 299, 304. Brain, 215, 235-240. Brontosaurus, 94. Brown-Sequard, 148. Buddha, 299. Buffon, 114, 135. Butterflies, 67, 206, 207, 259. Carbohydrate, 23, 24. Carbon, atom, 22; 25, 27. Carnivora, 35, 37, 38, 39, 40; order of, 157. Caterpillar, larva of, 259. Cats, Manx, Angora, Persian, 37, 39; domesticated, 137; intelligence of, 208, 209. Cattle, products of human selection, 137; resemblance, 157. Cebidae, true monkeys, 160, 161, 162. Cells, 19, 20, 21; sex, 144; human, composition of, 156; of ectoderm and endoderm, 255, 256, 257, 258. Celts, 218. Cercopithecidae, 160, 162. Cerebrum, 215. Cetacea, 40. Chemical transformation, 17. Chick, development of, 60, 61. Chimpanzee, 163, 164, 195. Chromatin, 143, 144. Civilization, a product of evolution, 272. Classes, 32. Classification, 32. Clifford, 238. Coccyx, 168. Communities, cell, 258; insect, 258, 260-264. Comparative anatomy, 35, 37, 39; any form will disclose development, 57; amphibia evolved from fishes, 64; Law of Recapitulation, 66; insects arisen from wormlike ancestors, 67; larvae of insects, 67; higher animals evolved from two-layered saccular ancestors, 68; 70, 71; supplements comparative embryology, 72; appearance of great classes of vertebrates, 94; proves order of evolution, 163. Composition, chemical, 15. Compounds, organic, 29. Conger-eel, 123, 124, 127. Consanguinity, essential likeness, 54. Conscience, 287. Consciousness, human, 234, 235.