On the Origin of Species by Means of Natural Selection: Or the Preservation of Favored Races in the Struggle for Life1859 |
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Page viii
... successive appearance of new species On their different rates of change - Species once lost do not reappear Groups of species follow the same general rules in their appear- ance and disappearance as do single species - On Extinction ...
... successive appearance of new species On their different rates of change - Species once lost do not reappear Groups of species follow the same general rules in their appear- ance and disappearance as do single species - On Extinction ...
Page 4
... successive slight variations . I will then pass on to the variability of species in a state of nature ; but I shall , unfortunately , be compelled to treat this subject far too briefly , as it can be treated properly only by giving long ...
... successive slight variations . I will then pass on to the variability of species in a state of nature ; but I shall , unfortunately , be compelled to treat this subject far too briefly , as it can be treated properly only by giving long ...
Page 29
... successive genera- tions . May not those naturalists who , knowing far less of the laws of inheritance than does the breeder , and knowing no more than he does of the intermediate links in the long lines of descent , yet admit that many ...
... successive genera- tions . May not those naturalists who , knowing far less of the laws of inheritance than does the breeder , and knowing no more than he does of the intermediate links in the long lines of descent , yet admit that many ...
Page 30
... successive varia- tions ; man adds them up in certain directions useful to him . In this sense he may be said to make for himself useful breeds . The great power of this principle of selection is not hypothetical . It is certain that ...
... successive varia- tions ; man adds them up in certain directions useful to him . In this sense he may be said to make for himself useful breeds . The great power of this principle of selection is not hypothetical . It is certain that ...
Page 32
... successive gene- rations , of differences absolutely inappreciable by an uneducated eye - differences which I for one have vainly attempted to appreciate . Not one man in a thousand has accuracy of eye and judgment sufficient to become ...
... successive gene- rations , of differences absolutely inappreciable by an uneducated eye - differences which I for one have vainly attempted to appreciate . Not one man in a thousand has accuracy of eye and judgment sufficient to become ...
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Common terms and phrases
adapted affinities allied species America amount analogous ancient animals become bees believe birds breeds cause cells characters cirripedes climate closely allied colour common parent continuous crossed crustaceans degree difficulty distinct species divergence domestic doubt embryo Europe existing exterminated extinct extremely facts favourable Fcap fertility flowers formations forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hermaphrodites History hybrids hybrids produced important individuals inhabitants inherited insects instance instincts intercrossing intermediate land larvæ less living male mammals manner migration modification modified descendants natural selection naturalists nearly nest offspring perfect pigeons plants pollen Post 8vo present principle probably produced progenitor racters ranked reciprocal crosses remarked resemble Second Edition seeds sexual selection Silurian slight South America sterility structure struggle successive suppose theory Third Edition tion variability variation varieties vary Vols whole widely Woodcuts