On the Origin of Species by Means of Natural Selection: Or The Preservation of Favored Races in the Struggle for Life, Volumen2D. Appleton, 1888 - 458 páginas |
Dentro del libro
Resultados 1-5 de 80
Página xvi
... origin of species as that ( presently to be alluded tɔ ) propounded by Mr. Wallace and myself in the ' Linnean Journal , ' and as that enlarged in the present volume . Unfortunately the view was given by Mr. Matthew very briefly in ...
... origin of species as that ( presently to be alluded tɔ ) propounded by Mr. Wallace and myself in the ' Linnean Journal , ' and as that enlarged in the present volume . Unfortunately the view was given by Mr. Matthew very briefly in ...
Página 13
... origin of our domestic animals is , that we find in the most ancient times , on the monuments of Egypt , and in the lake - habitations of Switzerland , much diversity in the breeds ; and that some of these ancient breeds closely ...
... origin of our domestic animals is , that we find in the most ancient times , on the monuments of Egypt , and in the lake - habitations of Switzerland , much diversity in the breeds ; and that some of these ancient breeds closely ...
Página 14
... origin of most of our domestic animals will probably for ever remain vague . But I may here state , that , looking to the domestic dogs of the whole world , I have , after a laborious collection of all known facts , come to the ...
... origin of most of our domestic animals will probably for ever remain vague . But I may here state , that , looking to the domestic dogs of the whole world , I have , after a laborious collection of all known facts , come to the ...
Otras ediciones - Ver todas
Términos y frases comunes
adapted admit affinities allied species America analogous ancient appear Asa Gray beak become bees believe belonging birds breeds cause cells characters climate closely allied colour continued crossed crustaceans degree developed difficulty distinct species doubt effects eggs embryo existing extinct extremely facts favourable fertilised fertility flowers formation formerly forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number habits Hence hybrids important 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 reproductive resemblance rudimentary seeds sexual selection slight South America stamens sterility structure struggle successive supposed tend theory tion variability variations varieties vary whilst whole wings young