Coelogyne, fertilisation mechanism.
Coffea arabica, seeds with two embryos.
Cohn, F., notice in "Cornhill" of his botanical work.
Coldstream, Dr.
Colenso, on Maori races of New Zealand.
Coleoptera, apterous form of Madeira. -colonisation of ants' nests by.
Colias edusa, wings of.
Collecting, Darwin's early taste for.
Collier, Hon. John: Royal Academician, son-in-law to Professor Huxley. -Art primer by. -letter to. -portrait of Darwin by.
Collingwood, Dr., on mimetic forms.
Colonies, Barrande's.
Colonisation, conditions of.
Coloration, Walsh on unity of.
Colour, butterflies attracted by. -mimicry in butterflies by means of. -of dioecious flowers. -and fertilisation of flowers. -in grouse, and Natural Selection. -in birds. -in male birds, not simply due to Natural Selection. -Darwin's work on. -Darwin differs from Wallace in views on. -evolution of. -experiments on birds. -Hackel on lower animals and. -Krause on. -Magnus on. -protection and. -relation to sex. -in seeds and fruits. -and Sexual Selection. -sense of, in children. -Wallace on.
Columba aenas, habits of. -C. livia, descent of pigeons from.
Combretum.
Combs, bees', (see also Bees).
Comparative anatomy, Huxley's book on.
Compensation, belief of botanists in.
Compiler, Darwin's opinion of a.
Compositae, Harvey on. -Masters' reference to. -monstrosities in. -morphological characters. -Schleiden on. -Darwin on crossing. -fertilisation mechanism. -Hildebrand on dispersal of seeds. -viscid threads of seeds.
Comte, Huxley on.
Concepcion Island, geology of. -Darwin's account of earthquake.
Conchoderma, in reference to nomenclature.
Concretions, origin of.
Conditions of life, effect on animals and plants. -effect on elephants. -effect on reproductive system. -hybrids and. -importance in maintaining number of species. -species and changes in. -and sterility. -variability depends more on nature of organisms than on.
Confervae and sexuality.
Coniferae, abundant in humid temperate regions.
Connecting links. -Gaudry on.
Conscience, Morley on Darwin's treatment of.
Conspectus crustaceorum, Dana's.
Constancy, in abnormally developed organs.
Contemporaneity, Darwin on.
Continental elevation, volcanic eruptions and.
Continental extension, Darwin on. -evidence in favour of. -Hooker on. -Lyell on. -and means of distribution. -New Zealand and.
Continental forms, versus insular.
Continents, inhabitants of islands and. -movements of. -Wallace on sinking imaginary.
Controversy, Darwin's hatred and avoidance of.
Convallaria majalis, in Virginia.
Convolvulus, supposed dimorphism of.
Cooling of crust, disagreement among physicists as to rate.
Cope, Edward Drinker (1840-97): was for a short time Professor at Haverford College; he was a member of certain United States Geological Survey expeditions, and at the time of his death he held a Professorship in the University of Pennsylvania. He wrote several important memoirs on "Vertebrate Paleontology," and in 1887 published "The Origin of the Fittest." -style of. -and Hyatt, theories of.
Copley medal, Darwin and the. -Falconer, and Darwin's. -Lindley considered for the. -awarded to Lyell. -awarded to Bunsen. -Darwin describes letter from Hooker as a.
Coquimbo, Darwin visits. -upraised shells.
Coral islands, and subsidence. -plants of.
Coral reefs, Darwin's work on. -Bonney's edition of Darwin's book on. -A. Agassiz on. -Dana on. -fossil. -Murray on. -conditions of life of polyps. -solution by CO2 of. -subsidence of.
Coral tree, (see Erythrina).
Corallines, nature of.
Cordiaceae, dimorphism in.
Cordilleras, glaciers of. -high-road for plants. -plants of. -birds of. -comparison between Glen Roy and terraces of. -Darwin on earth-movements of. -Forbes on. -submarine lava-streams. -volcanic activity and elevation.
Coronilla, Lord Farrer on. -C. emerus. -C. varia.
Coryanthes, "beats everything in orchids."
Corydalis, Hildebrand shows falsity of idea of self-fertilisation of. -C.