The Origin of Species by Means of Natural Selection,: Or the Preservation of Favoured Races in the Struggle for LifeJohn Murray, Albemarle Street., 1891 - 432 páginas |
Dentro del libro
Resultados 1-5 de 71
Página viii
... formations - On the denudation of granitic areas - On the absence of intermediate varieties in any one formation - On the sudden appearance of groups of species- On their sudden appearance in the lowest known fossiliferous strata ...
... formations - On the denudation of granitic areas - On the absence of intermediate varieties in any one formation - On the sudden appearance of groups of species- On their sudden appearance in the lowest known fossiliferous strata ...
Página xiii
... how little Aristotle fully comprehended the principle , is shown by his remarks on the formation of the teeth . published his views in 1801 ; he much enlarged them. ADDITIONS AND CORRECTIONS, TO THE SIXTH EDITION Page xi HISTORICAL SKETCH.
... how little Aristotle fully comprehended the principle , is shown by his remarks on the formation of the teeth . published his views in 1801 ; he much enlarged them. ADDITIONS AND CORRECTIONS, TO THE SIXTH EDITION Page xi HISTORICAL SKETCH.
Página xv
... formation of varieties of mankind , fitted for the country which they inhabit . Of the accidental varieties of man , which would occur among the first few and scattered inhabitants of the middle regions of Africa , some one would be ...
... formation of varieties of mankind , fitted for the country which they inhabit . Of the accidental varieties of man , which would occur among the first few and scattered inhabitants of the middle regions of Africa , some one would be ...
Página xviii
... formation of a new species ; but this it appears ( Ibid . vol . iii . p . 798 ) is inaccurate and without evidence . I also gave some extracts from a correspondence between Professor Owen and the Editor of the ' London Review , ' from ...
... formation of a new species ; but this it appears ( Ibid . vol . iii . p . 798 ) is inaccurate and without evidence . I also gave some extracts from a correspondence between Professor Owen and the Editor of the ' London Review , ' from ...
Página 6
... formation of our domestic races . We see indefinite variability in the endless slight peculiarities which distinguish the individuals of the same species , and which cannot be accounted for by inheritance from either parent or from some ...
... formation of our domestic races . We see indefinite variability in the endless slight peculiarities which distinguish the individuals of the same species , and which cannot be accounted for by inheritance from either parent or from some ...
Otras ediciones - Ver todas
Términos y frases comunes
accumulated adapted admit affinities allied species America analogous ancient appear beak become bees believe belonging birds breeds cause cells characters climate closely allied colour continued crossed crustaceans degree developed difficulty distinct species domestic animals doubt effects eggs embryo existing extinct extremely facts favourable female fertilised fertility flowers formation formerly forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number habits Hence hybrids important increase individuals inhabitants inherited insects instance instincts intercrossing intermediate kind lamellæ larvæ less living male mammals manner Marsupials migration modified descendants natural selection naturalists nearly nest occasionally occur oceanic islands offspring organisation organs parent peculiar perfect pigeon pistil pollen present preserved principle probably produced quadrupeds ranked reciprocal crosses remarked resemblance rudimentary seeds sexual selection Silurian slight South America stamens sterility structure successive supposed tend theory tion variability variations varieties vary whilst whole wings young