The aim has been to support the doctrine that these species have been evolved by ordinary _natural laws_ (for the most part unknown) controlled by the _subordinate_ action of "Natural Selection," and at the same time to remind some that there is and can be absolutely nothing in physical science which forbids them to regard those natural laws as acting with the Divine concurrence and in obedience to a creative fiat originally imposed on the primeval Cosmos, "in the beginning," by its Creator, its Upholder, and its Lord. {289} * * * * * INDEX. A. Aard-Vark, 174. Absolute creation, 252. Acanthometrae, 186. Acrodont teeth, 148. Acts formally moral, 195. Acts materially moral, 195. Adductor muscles, 79. Agassiz, Professor, 271. Aged, care of, 192. Aggregational theory, 163. Algoa Bay, cat of, 98. Allantois, 82. Amazons, butterflies of, 85. Amazons, cholera in the, 192. American butterflies, 29. American maize, 100. American monkeys, 226. Amiurus, 147. Amphibia, 109. Analogical relations, 157. Ancon sheep, 100, 103, 227. Andrew Murray, Mr., 83. Angora cats, 175. Animal's sufferings, 260. Ankle bones, 158. Annelids undergoing fission, 169, 211. Annulosa, eye of, 76. Anoplotherium, 109. Anteater, 83. Antechinus, 82. Antenna, of orchid, 56. Anthropomorphism, 258. Ape's sexual characters, 49. Apostles' Creed, 245. Appendages of lobster, 161. Appendages of Normandy pigs, 99. Appendages of turkey, 100. Appendix, vermiform, 83. Appreciation of Mr. Darwin, 10. Apteryx, 7, 70. Aqueous humour, 76. Aquinas, St. Thomas, 17, 263, 265. Archegosaurus, 135. Archeopteryx, 73. Arcturus, 193. Argyll, Duke of, 14, 276. Aristotle, 288. Armadillo, extinct kind, 110. Arthritis, rheumatic, 183. Artiodactyle foot, 109. Asa Gray, Dr., 253, 255, 261. Asceticism, 193. Ascidians, placental structure, 81. Assumptions of Mr. Darwin, 16. Astronomical objections, 136. Auditory organ, 74. Augustin, St., 17, 263, 264. Aurelius, Marcus, 206. Avian limb, 106. Avicularia, 80. Axolotl, 165. Aye-Aye, 107. Aylesbury ducks, 234.