 ... 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...  Medical Times and Gazette - Página 351869Vista completa - Acerca de este libro
 | sir John Frederick W. Herschel (1st bart.) - 1862 - 470 páginas
...perhaps, in 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 alterations of climate affect the quantity of vegetable food, the bulky Herbivore will first feel... | |
 | Richard Owen - 1866 - 700 páginas
...perhaps in 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 will first feel... | |
 | Richard Owen - 1866 - 734 páginas
...perhaps in 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 will first feel... | |
 | 1867 - 448 páginas
...proportionate to the size which may characterize 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... | |
 | 1906 - 426 páginas
...perhaps in 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 any alteration of climate affect the quantity of vegetable food, the bulky Herbivore will first feel... | |
 | Richard Owen - 1868 - 966 páginas
...&c., by such characters of species as those of size : — ' 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... | |
 | 1869 - 518 páginas
...cataclysm or convulsion, but to the steady operation of law. One cause of extinction recognized by Prof. Owen is defeat in the struggle for existence. In 1850...the larger and more conspicuous will be the earlier victims ; and smaller animals are, as a rule, more prolific than large ones. As a test of the theories... | |
 | 1869 - 530 páginas
...cataclysm or convulsion, but to the steady operation of law. One cause of extinction recognized by Prof. Owen is defeat in the struggle for existence. In 1850...the larger and more conspicuous will be the earlier victims ; and smaller animals are, as a rule, more prolific than large ones. As a test of the theories... | |
 | 1860 - 448 páginas
...proportionate to the size which may characterize 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... | |
 | 1859 - 450 páginas
...perhaps in 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 will first feel... | |
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