 I counted thirty-two little trees; and one of them, with twenty-six rings of growth, had, during many years, tried to raise its head above the stems of the heath, and had failed. No wonder that, as soon as the land was enclosed, it became thickly clothed...  The Indian Forester - 第 199 頁1890完整檢視 - 關於此書
 | 1866 - 808 頁
...land was enclosed, it became thickly clothed with vigorously growing young firs. Yet the heath was so barren and so extensive that no one would ever have...absolutely determine the existence of the Scotch fir ; but in several parts of the world insects determine the existence of cattle. Perhaps Paraguay offers... | |
 | Charles Darwin - 1861 - 470 頁
...stems of the heath, and had failed. No wonder that, as soon as the land was enclosed, it became thickly clothed with vigorously growing young firs. Yet the...absolutely determine the existence of the Scotch fir ; but in several parts of the world insects determine the existence of cattle. Perhaps Paraguay offers... | |
 | Charles Darwin - 1864 - 472 頁
...of the heath, and had failed. E"o wonder that, as soon as the land was enclosed, it became thickly clothed with vigorously growing young firs. Yet the...absolutely determine the existence of the Scotch fir ; but in several parts of the world insects determine the existence of cattle. Perhaps ParaT guay offers... | |
 | Charles Darwin - 1873 - 492 頁
...stems of the heath, and had failed. No wonder that, as soon as the land was enclosed, it became thickly clothed with vigorously growing young firs. Yet the...have so closely and effectually searched it for food. Here_we see that cattle absolutely determine the existence of the Scotch, fir ; but in several parts... | |
 | Charles Darwin - 1875 - 504 頁
...stems of the heath, and had failed. No wonder that, as soon as the land was enclosed, it became thickly clothed with vigorously growing young firs. Yet the...closely and effectually searched it for food. Here w« see that cattle absolutely determine the existence of the Scoteh fir ; but in several parts of... | |
 | Edward Step - 1881 - 270 頁
...stems of the heath, and had failed. No wonder that, as soon as the land was enclosed, it became thickly clothed with vigorously growing young firs. Yet the...closely and effectually searched it for food." Here we have great changes following on the enclosure of a piece of heath-land and the planting it with Scotch... | |
 | Edward Step - 1881 - 284 頁
...stems of the heath, and had failed. No wonder that, as soon as the land was enclosed, it became thickly clothed with vigorously growing young firs. Yet the...closely and effectually searched it for food." Here we have great changes following on the enclosure of a piece of heath-land and the planting it with Scotch... | |
 | Alfred Russel Wallace - 1889 - 526 頁
...heather and had failed. Yet this heath was very extensive and very barren, and, as Mr. Darwin remarks, no one would ever have imagined that cattle would have so closely and so effectually searched it for food. In the case of animals, the competition and struggle are more... | |
 | Charles Darwin - 1896 - 406 頁
...stems of the heath, and had failed. No wonder that, as soon as the land was enclosed, it became thickly clothed with vigorously growing young firs. Yet the...absolutely determine the existence of the Scotch fir ; but in several parts of the world insects determine the existence of cattle. Perhaps Paraguay offers... | |
 | Charles Darwin - 1896 - 408 頁
...stems of the heath, and had failed. No wonder that, as soon as the land was enclosed, it became thickly clothed with vigorously growing young firs. Yet the...food. Here we see that cattle absolutely determine th« existence of the Scotch, fir ; but in several parts of the world insects determine the existence... | |
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