The Origin of Species by Means of Natural Selection: Or, the Preservation of Favored Races in the Struggle for Life, Volumen1D. Appleton, 1898 |
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Página ix
... become somewhat stronger or weaker . The more important corrections and some additions in the present volume are tabulated on the following page , for the convenience of those interested in the subject , and who possess the fifth ...
... become somewhat stronger or weaker . The more important corrections and some additions in the present volume are tabulated on the following page , for the convenience of those interested in the subject , and who possess the fifth ...
Página xvi
... become the most prevalent , if not the only race , in the particular country in which it had originated . " He then extends these same views to the white inhabitants of colder climates . I am indebted to Mr. Rowley , of. xvi HISTORICAL ...
... become the most prevalent , if not the only race , in the particular country in which it had originated . " He then extends these same views to the white inhabitants of colder climates . I am indebted to Mr. Rowley , of. xvi HISTORICAL ...
Página xvii
... become improved in the course of modification . This same view was given in his 55th Lecture , published in the Lancet ' in 1834 . In 1831 Mr. Patrick Matthew published his work on " Naval Timber and Arboriculture , ' in which he gives ...
... become improved in the course of modification . This same view was given in his 55th Lecture , published in the Lancet ' in 1834 . In 1831 Mr. Patrick Matthew published his work on " Naval Timber and Arboriculture , ' in which he gives ...
Página xviii
... become changed into permanent species , which are no longer capable of intercrossing . Rafinesque , in his ' New ... becoming species by assuming con- stant and peculiar characters ; " but farther on ( p . 18 ) he adds , " except the ...
... become changed into permanent species , which are no longer capable of intercrossing . Rafinesque , in his ' New ... becoming species by assuming con- stant and peculiar characters ; " but farther on ( p . 18 ) he adds , " except the ...
Página xix
... become adapted to its peculiar habits of life . The work , from its powerful and brilliant style , though displaying in the earlier editions little accurate knowledge and a great want of scientific caution , imme- diately had a very ...
... become adapted to its peculiar habits of life . The work , from its powerful and brilliant style , though displaying in the earlier editions little accurate knowledge and a great want of scientific caution , imme- diately had a very ...
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Términos y frases comunes
adapted advantage allied analogous animals and plants appear Asa Gray beak become bees believe birds breeds caudicle cause cells characters climate closely colour common crossed cuckoo degree descendants developed difficulty distinct species disuse divergence domestic animals domestic races doubt effects eggs existence extinct extremely facts favourable females flowers forms Fritz Müller genera genus giraffe gradations greater number groups habits Hence hermaphrodites hive-bee important increase inhabitants inherited insects instance instincts intercrossing intermediate kind lamellæ large number larger genera larvæ less males manner Melipona Mivart modified natural selection naturalists nearly nest occasionally offspring organisation organs origin Origin of Species parent perfect period pigeons pollen pollen-grains present preserved prey principle probably produced progenitor quadrupeds rank rarely Red Grouse relation remarked resemble rock-pigeon seeds sexes sexual selection slight stamens striped structure struggle supposed swimbladder tend tendency tion tree variability variations varieties vary widely wings young