 | Alfred Russel Wallace - 1876 - 602 lehte
...classes of animals. As to the first objection, it will be found impossible to form any three or more regions, each of which differs from the rest in an...of the characteristics of two well-marked regions, with a few special features of their own, or perhaps with none; and it will be a difficult question... | |
 | Alfred Russel Wallace - 1876 - 606 lehte
...classes of animals. As to the first objection, it will be found impossible to form any three or more regions, each of which differs from the rest in an...of the characteristics of two well-marked regions, with a few special features of their own, or perhaps with none; and it will be a difficult question... | |
 | 1878 - 932 lehte
...it will be found impossible to form any three •Geogr. Dist. Лшш., vol. i, pp. C3, 64. or more regions, each of which differs from the rest in an...possession of peculiar families; another will have mauy characteristic genera; while a third will be mainly distinguished by negative characters. There... | |
 | Biological Society of Washington - 1882 - 502 lehte
...classes of animals. As to the first objection, it will be found impossible to form any three or more regions each of which differs from the rest in an...districts, which possess some of the characteristics of two well" marked regions, with a few special features of their own, or perhaps with none ; and it will... | |
 | Biological Society of Washington - 1885 - 204 lehte
...pp. 63, 64. animals. As to the first objection, it will be found impossible to form any three or more regions each of which differs from the rest in an...districts, which possess some of the characteristics of two well" marked regions, with a few special features of their own, or perhaps with none ; and it will... | |
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Istly, that the several regions are not of equal rank ; — :2ndly, that they are not equally applicable to all classes of animals. As to the first objection, it will be found impossible to form any three or more regions, each of which differs from the... 