 | 1902 - 642 páginas
...degree proportionate, perhaps in a geometrical ratio, to the bulk of the species. If a dry season be gradually prolonged, the large mammal will suffer...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... | |
 | 1851 - 450 páginas
...against that existence, in probably a geometrical ratio to the bulk of such species. If a dry season be gradually prolonged, the large mammal will suffer...the bulky Herbivore will first feel the effects of the stinted nourishment ; if new enemies are introduced, the large and conspicuous quadruped or bird... | |
 | 1851 - 438 páginas
...against that existence, in probably a geometrical ratio to the bulk of such species. If a dry season be gradually prolonged, the large mammal will suffer...the bulky Herbivore will first feel the effects of the stinted nourishment ; if new enemies are introduced, the large and conspicuous quadruped or bird... | |
 | 1851 - 1248 páginas
...against that existence in probably a geometrical ratio to the bulk of such species. If a dry season be gradually prolonged, the large mammal will suffer...the bulky Herbivore will first feel the effects of the stinted nourishment ; if new enemies are introduced, the large and conspicuous quadruped or bird... | |
 | 1869 - 718 páginas
...defeat in the struggle for existence. In 1850 he had shown this, when he said that, in a dry season, the large mammal will suffer from the drought sooner than the small one ; if food bo scanty, the large one will perish before the small one ; if new enemies be introduced, the... | |
 | Sir George Cornewall Lewis - 1852 - 500 páginas
...a geometrical ratio to the bulk of such species. ] fa dry season be gradually prolonged, the largo mammal will suffer from the drought sooner than the...the bulky herbivore will first feel the effects of the stinted nourishment ; if new enemies are introduced, the large and conspicuous quadruped or bird... | |
 | Royal Society (Great Britain) - 1854 - 438 páginas
...against that existence in probably a geometrical ratio to the bulk of such species. If a dry season be gradually prolonged, the large mammal will suffer...the bulky Herbivore will first feel the effects of the stinted nourishment; if new enemies are introduced, the large and conspicuous quadruped or bird... | |
 | Royal Society (Great Britain) - 1854 - 450 páginas
...against that existence in probably a geometrical ratio to the bulk of such species. If a dry season be gradually prolonged, the large mammal will suffer...the bulky Herbivore will first feel the effects of the stinted nourishment ; if new enemies are introduced, the large and conspicuous quadruped or bird... | |
 | Richard Owen - 1859 - 120 páginas
...existence in a degree proportionate to the size which may characterise the species. If a dry season be gradually prolonged, the large mammal will suffer...introduced, the large and conspicuous animal will fall a prey while the smaller kinds conceal themselves and escape. Small quadrupeds, moreover, are more... | |
 | 1859 - 554 páginas
...existence in a degree proportionate to the size which may characterize the species. If a dry season be gradually prolonged, the large mammal will suffer...introduced, the large and conspicuous animal will fall a prey while the smaller kinds conceal themselves and escape. Small quadrupeds, moreover, are more... | |
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... 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 will first feel the effects of... 
