The Origin of Species (Barnes & Noble Classics) - Charles Darwin [262]
Clift, Mr., on the succession of types
Climate, effects of, in checking increase of beings
Cobites, intestine of
Cockroach
Collections, palaeontological, poor
Colour, influenced by climate; in relation to attacks by flies
Columba livia, parent of domestic pigeons
Colymbetes
Compositae, outer and inner florets of ; male flowers of
Conclusion, general
Conditions, slight changes in, favourable to fertility
Coot
Coral-islands, seeds drifted to; reefs, indicating movements of earth
Corn-crake
Correlation of growth in domestic productions; of growth
Cowslip
Creation, single centres of
Crinum
Crosses, reciprocal
Crossing of domestic animals, importance in altering breeds; advantages of ; unfavourable to selection
Crustacea of New Zealand
Crustacean, blind
Cryptocerus
Ctenomys, blind
Cuckoo, instinct of
Currants, grafts of
Currents of sea, rate of
Cuvier on conditions of existence ; on fossil monkeys; Fred., on instinct 174
Dana, Prof., on blind cave-animals; on relations of crustaceans of Japan ; on crustaceans of New Zealand
De Candolle on struggle for existence; on umbelliferae; on general affinities; Alph., on low plants, widely dispersed; on widely-ranging plants being variable; on naturalisation; on winged seeds ; on Alpine species suddenly becoming rare; on distribution of plants with large seeds; on vegetation of Australia; on fresh water plants; on insular plants
Degradation of coast-rocks
Denudation, rate of; of oldest rocks
Development of ancient forms
Devonian system
Dianthus, fertility of crosses
Dirt on feet of birds
Division, physiological, of labour
Dogs, hairless, with imperfect teeth; descended from several wild stocks ; domestic instincts of; inherited civilisation of; fertility of breeds together; of crosses ; proportions of, when young
Downing, Mr., on fruit-trees in America
Downs, North and South
Dragon-flies, intestines of
Drift timber
Driver ant
Drones killed by other bees
Duck, domestic, wings of, reduced; logger-headed
Duck-weed
Dugong, affinities of
Dung-beetles with deficient tarsi
Dyticus
Earl, Mr. W., on the Malay Archipelago
Ears, drooping, in domestic animals; rudimentary
Earth, seeds in roots of trees
Eciton
Edentata, teeth and hair; fossil species of
Edwards, Milne, on physiological divisions of labour; on graduations of structure; on embryological characters
Eggs, young birds escaping from
Electric organs
Elephant, rate of increase; of glacial period
Existence, struggle for; conditions of
Eye, structure of; correction for aberration
Eyes reduced in moles
Fabre, M., on parasitic sphex
Falconer, Dr., on naturalisation of plants in India; on fossil crocodile; on elephants and mastodons; and Cautley on mammals of sub-Himalayan beds
Falkland Island, wolf of
Faults
Fear, instinctive, in birds
Feet of birds, young molluscs adhering to
Fertility of hybrids; from slight changes in conditions; of crossed varieties
Fir-trees destroyed by cattle; pollen of
Fish, flying; teleostean, sudden appearance of; eating seeds ; fresh-water, distribution of
Fishes, ganoid, now confined to fresh water; electric organs of; of southern hemisphere
Flight, powers of, how acquired
Flowers, structure of, in relation to crossing; of compositae and umbelliferae
Forbes, E., on colours of shells; on abrupt range of shells in depth; on poorness of palaeontological collections; on continuous succession of genera; on continental extensions; on distribution during glacial period ; on parallelism in time and space
Forests, changes in, in America
Formation, Devonian
Formations, thickness of, in Britain; intermittent
Formica rufescens; sanguinea; flava, neuter of
Frena, ovigerous, of cirripedes
Fresh-water productions, dispersal of
Fries on species in large genera being closely allied to other species
Frigate-bird
Frogs on islands
Fruit-trees, gradual improvement of; in United States; varieties of, acclimatised in United States
Fuci, crossed
Fur, thicker in cold climates
Furze
Galapagos Archipelago, birds of; productions of
Galeopithecus