 | 1902 - 642 페이지
...militate against that existence in a degree proportionate, perhaps in a geometrical ratio, to the bulk of the species. If a dry season be gradually prolonged,...the effects of stinted nourishment ; if new enemies are introduced, the large and conspicuous quadruped or bird will fall a prey, whilst the smaller species... | |
 | Richard Owen - 1859 - 118 페이지
...reasoning is applicable only to land-animals; for it is scarcely conceivable that such operations caa have affected sea-fishes. There are characters in...first feel the effects of stinted nourishment; if newenemies be introduced, the large and conspicuous animal will fall a prey while the smaller kinds... | |
 | 1859 - 450 페이지
...militate against that existence in a degree proportionate, perhaps in a geometrical ratio, to the bulk of the species. If a dry season be gradually prolonged,...the effects of stinted nourishment; if new enemies are introduced, the large and conspicuous quadruped or bird will full a prey, while the smaller species... | |
 | British Association for the Advancement of Science - 1859 - 750 페이지
...militate against that existence in a degree proportionate, perhaps in a geometrical ratio, to the bulk of the species. If a dry season be gradually prolonged,...the effects of stinted nourishment; if new enemies are introduced, the large and conspicuous quadruped or bird will fall a prey, whilst the smaller species... | |
 | 1859 - 532 페이지
...gradually prolonged, the large mammal will suffer from the drought aoorcr than the small one : if snch alteration of climate affect the quantity of vegetable...first feel the effects of stinted nourishment; if new eneuiiea are introduced, the large and conspicuous quadruped or bird will fall a prey, while the smaller... | |
 | 1859 - 552 페이지
...prolonged, the large mammal will suffer from the drought scorer than the small one: if such alteratnn of climate affect the quantity of vegetable food,...the effects of stinted nourishment; if new enemies are introduced, the large and conspicuous quadruped or bird will fall a prey, while the smaller species... | |
 | 1859 - 478 페이지
...drought sooner than the small one ; if such alteration of elimate affect the quantity of vegctable food, the bulky herbivore will first feel the effects of stinted nourishment ; if new enemies are introduced, the large and conspicuous quadruped or bird will fall a prey, while the smaller species... | |
 | 1860 - 448 페이지
...existence in a degree proportionate to the size which may characterize the species. If a dry season lie gradually prolonged, the large mammal will suffer...introduced, the large and conspicuous animal will fall я prey, while the smaller kinds «onceal themselves and escupe. Small quadrupeds, moreover, are more... | |
 | Richard Owen - 1861 - 490 페이지
...adapted to exist in, will militate against that existence in a degree proportionate to the bulk of the species. If a dry season be gradually prolonged,...kinds conceal themselves and escape. Small quadrupeds are more prolific than large ones. Those of the bulk of the Mastodons, Megatheres, Glyptodons, and... | |
 | sir John Frederick W. Herschel (1st bart.) - 1862 - 470 페이지
...prolonged, the large mammal will suffer from the drought sooner than the small one; if such alterations of climate affect the quantity of vegetable food,...stinted nourishment. If new enemies be introduced, the larger^and conspicuous quadruped" (and we may state the more helpless birds, if provided with none... | |
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... a geometrical ratio, to the bulk of the species. If a dry season be gradually prolonged, the large mammal will suffer from the drought sooner than the small one ; if such alteration of climate affect the quantity of vegetable food, the bulky Herbivore... 
