An Introduction to the Study of Social Evolution: The Prehistoric PeriodCentury, 1915 - 306 من الصفحات |
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الصفحة xi
... muscles Rudimentary , or Vestigial and useless , muscles of the Human Ear Figure 10 . Figure 11 . A series of Embryos at Three Comparable and Progres- sive Stages of Development , representing four divisions of the class Mammalia Figure ...
... muscles Rudimentary , or Vestigial and useless , muscles of the Human Ear Figure 10 . Figure 11 . A series of Embryos at Three Comparable and Progres- sive Stages of Development , representing four divisions of the class Mammalia Figure ...
الصفحة 32
... muscles than the average man . Do his children inherit larger and more developed muscles ? Many years ago the naturalist Lamarck ad- vanced a theory that modifications induced in the struc- ture of the parent by adaptation to its ...
... muscles than the average man . Do his children inherit larger and more developed muscles ? Many years ago the naturalist Lamarck ad- vanced a theory that modifications induced in the struc- ture of the parent by adaptation to its ...
الصفحة 33
... muscle due to exercise , so affect the germ cells , which lie at some distance from the muscle in question , as to cause the new individual , which shall arise from these germ cells , to have the corresponding muscle in its own body ...
... muscle due to exercise , so affect the germ cells , which lie at some distance from the muscle in question , as to cause the new individual , which shall arise from these germ cells , to have the corresponding muscle in its own body ...
الصفحة 34
... muscles would mean . modification in the soma , but this modification would not appear in his child be- cause only the germ cell is inherited , not the soma.s Modifications of the soma are of two kinds : " first , those produced by the ...
... muscles would mean . modification in the soma , but this modification would not appear in his child be- cause only the germ cell is inherited , not the soma.s Modifications of the soma are of two kinds : " first , those produced by the ...
الصفحة 35
... muscles as a result of the exercise shows that he must have an in- born capacity for developing strong muscles by exer- cise . " But if the blacksmith " inherited from his parents the ability to develop strong muscles " by exercise ...
... muscles as a result of the exercise shows that he must have an in- born capacity for developing strong muscles by exer- cise . " But if the blacksmith " inherited from his parents the ability to develop strong muscles " by exercise ...
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Acheulian ancestors ancient apes Asia Aurignacian average become Birkner blond Boas body bone Brehon laws cave ceremonies changes character civilization clan climate color culture custom Darwin descent Diagram Diluviale Mensch environment Epoch Europe evidence evolution favorable FIGURE Flint Implements Forrer germ cells Giddings glacial habit hair heredity human Ibid imitation important Indians individual influence inherited Keane living lower Lower Paleolithic Magdalenian marriage Mensch in Europa Metcalf metronymic Mind of Primitive modification Mousterian muscles natural selection Neanderthal Neolithic offspring organization origin parents phratries Pithecanthropus Erectus population possess prehistoric produce Professor Quaternary Races of Europe racial regions savage skull slave social society Sociology soma species spirit spotted chickens stage stature stone age Stone Implements survive tend theory tion totem tradition transition tribal tribes Tylor Upper Paleolithic Urgeschichte des Europäers usages variations White race