---- the main agent in reducing the wings of Madeira beetles, 377 ---- some examples of the effect of, adduced by Lamarck, 378 Dog, Buffon on the, 120 ---- Lamarck on the various breeds of the, 297 Domestication, a single case of a species formed under domestication sufficient to remove the _a priori_ difficulty from a comprehensive theory of evolution, 90, 91, 311 ---- plants under, Buffon on, 167, &c. ---- Buffon on animals under, 103, 120, &c., 148, &c., 159, &c., 276 ---- animals under, Dr. Erasmus Darwin on, 223 ---- animals under, Buffon on, 121, &c., 148, 276 ---- C. Darwin on, 276 ---- animals and plants under, Lamarck on, 275, 293, 296, 297, 300 ---- animals and plants under, Mr. Patrick Matthew on, 324 Door, the doing anything well will open the door for doing something else, 51 Ducks, our domesticated, why they cannot fly like wild ones, 296, 309 EARN, "you are but doing your best to earn an honest living," 29 Ears are never found in a rudimentary condition, 379 Eat, or be eaten, 177 Effort, Paley's argument that structures have not been developed through, 22, 45 ---- too much, as vicious as indolence, 35 ---- "neither too much nor too little," 50 ---- Herculean, condemned, 197 Egyptian mummies, Lamarck on, 274, 275 Embryology, the light it throws upon the mode in which organisms have been designed, 25 Embryonic metamorphoses, Erasmus Darwin on, 230, 231 Embryonic development, Lamarck on, 289 Encyclical, the Pope's, on St. Thomas Aquinas, 402, &c. Endeavour, Paley's argument against the view that structures have been developed through, 22, 45 Endowment, the new orthodoxy, which is clamouring for, 360 English wines, Dr. Erasmus Darwin's preference for, 175 Environment. _See_ Conditions of Existence Equilibrium, the, of Nature, Buffon on the, 125 Err, the power to, rated highly, 29 ---- "it is on this margin that we may err or wander," 50 ---- virtue ever errs on the side of excess, 35 Error, importance of, dependent on the distance, rather than the direction, 50 "Especially" the same, 92, 96 Ethiopian, the, can change his skin, if it becomes worth his while to try long enough, 40 Eveque and bishop, common derivation of, 355 Everlasting, God, how far, 32 Evolution, commonly held incompatible with design, 9 ---- Paley, its first serious opponent in England, 21 ---- Sir Walter Raleigh on, 21, 70 ---- must stand or fall according as it rests on a purposive foundation or no, 60 ---- brief summary of its six principal stages, 62, &c. ---- Bacon on, 69 ---- the theory of, as apart from the evidence in support of it, 332 ---- C. Darwin and Lamarck are equally intent upon establishing the same theory of evolution, 335-337 ---- and Darwinism, not to be confounded, 360, 361 ---- Rome and Pantheism meet in, 403 Evolutionists, the early, did not know that they accepted teleology, 34 ---- the early, saw design, only as design by the God of theologians, 36