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Show 478 DARWINISM CHAP. XV ence ; and we may confidently believe with our greatest living poet- That life is not as idle ore, But iron ducr from central gloom, And he~ted hot with burning fears, And dipt in baths of hiss ing t ears, And batter 'd with the shocks of doom To shape and use. Vv e thus find that the Darwinian theory, even when carried out to its extreme logical conclusion,. no~ only do_e~ not ose but lends a decided support to, a behef m the sp1ntual onpatpu re ' of man. It shows us how man's b od y may h ave b een developed from that of a lower animal form under the law of natural selection ; but it also te~ches us that we possess intellectual and moral faculties whiCh could_ ~ot have been s_o developed, but must have had another ongm; and for this origin we can only find an adequate cause m the unseen universe of Spirit. INDEX ABBOTT, Dr. C. C., instability of habits of birds, 76 on American water- thr ushe (. eiurus), 117 Mr., drawings of cat er pillars and their food plant , 20:3 Accessory plumes, development anu d isplay of, 293 Acclimati satiou, 94 Ach atinellid<e, Gulick on variations in, 147 Acquired cl1 aracter s, non-heredity of, 440 Acr re id re, mimicr y of, 247 Adaptation to conditions at various periods of life, 112 Adoliaf; <l irtea, sexual diversity of, 271 JEgeriillre, mimicry by, 240 Agaristidre, mimicry of, 246 Agassiz, on species, 5 on Nor th American weeds, 15. Agelreus phomiceus, d iagram showing variations of, 56 ; propor t ionate number s which vary, 64 Albatross, courtship of great, 287 Allen, Mr. Grant, on fo rms of leave, , 133 on degradation of wind-fertilised from insect-fertilised flowers, 325 (note) on insects and flowers, 332 ou production of colour t hrougli the agency of the colour sen.-e, 334 Mr. J. A., on the variab ility of birds, 50 Allen, Mr. J . A., on colour a· in-tlu ence(l by cl imate, 228 Alluring coloration, 210 A111el'ican school of evolutionists, 420 Anemone nemorosa, \'ariahili ty of', 78 Animal coloration, a th •ory of, 2 8 general law: of', 296 intelligence, supposed action of, 425 ch aracteri stics of man, 4 fi4 Animals, t l1e struggl • :u nong, 1 wild, their enjoynwnt or li ft, 39 u sually die painless <lenths, :} constitutional variation of', 91 uses of colour·s of, 134 supposed ell'ects of disu~e in wild, 415 most alli etl to man, 450 Antelopes, recognition marks of, 219 Anthrocera filipcml ula inedible, 235 Apple , variations of, 87 Ar ctic animals, suppose<l causel:l of white colour of, 191 Argyll, Duke of, on goose reared by a golden eagle, 75 Arteru ia salina and A. milhauseoii, 426 Asclepias curassavica, spread of, 28 As es running wild in Quito, 28 Attractive fruit , 306 Australia, ·preau of the Cape-weed in, 29 fossil and recent mammals of, 392 Azara, ou cause of horses and cattle uot running wild in Paraguay, 19 Azores, flora of, supports aerial transmissiou of seeds, 368 |