 | 1902 - 642 Seiten
...families formerly existed is not the consequence of any gradual diminution of the size of such species, but is the result of circumstances which may be illustrated by the fable of "the oak and the reed" — the smaller and feebler animals have bent and accommodated themselves to changes which have destroyed the... | |
 | 1851 - 1248 Seiten
...observed, that in proportion to the bulk of an animal is the difficulty of the contest which, as a living being, it has to maintain against the surrounding...changes under which the larger species have succumbed. XXXVI. Intelligence and Miscellaneous Articles. ON THE ARTIFICIAL PRODUCTION OF CRYSTALLIZED MINERALS.... | |
 | 1851 - 450 Seiten
...surrounding influences which are ever tending to dissolve the vital bond, and subjugate the organized matter to the ordinary chemical and physical forces....changes under which the larger species have succumbed. On the Slow Elevation and Subsidence of the Land in Switzerland. By Prof. B. STUDER. 1. In the neighbourhood... | |
 | 1851 - 438 Seiten
...surrounding influences which are ever tending to dissolve the vital bond, and subjugate the organized matter to the ordinary chemical and physical forces....changes under which the larger species have succumbed. On the Slow Elevation and Subsidence of the Land in Switzerland. By Prof. B. STUDER. 1. In the neighbourhood... | |
 | Sir George Cornewall Lewis - 1852 - 500 Seiten
...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...changes under which the larger species have succumbed.' — Prof. Owen's Memoir on the Megatherium, part ii. — Royal Society, May 6, 1851. It seems not improbable,... | |
 | Richard Owen - 1859 - 118 Seiten
...existed, is not the consequence of degeneration—of any gradual diminution of the size—of such species, but is the result of circumstances which may be illustrated by the fable of the ' Oak and the Reed;' the smaller and feebler animals have bent and accommodated themselves to changes to which the larger species... | |
 | British Association for the Advancement of Science - 1859 - 750 Seiten
...families formerly exisied, is not the consequence of any gradual diminution of the size of such species, but is the result of circumstances, which may be illustrated by the fable of the ' Oak and the Reed ;' the smaller and feebler animals have bent and accommodated themselves to changes which have destroyed the... | |
 | 1859 - 532 Seiten
...families formerly existed, is not the consequence of any gradual diminution of the size of such epecies, but is the result of circumstances which may be illustrated by the fable of the ' Oak and the Reed ;' the smaller and feebler animals have bent and accommodated themselves to changes which have destroyed the... | |
 | 1859 - 450 Seiten
...families formerly existed, is not the consequence of any gradual diminution of the size of such species, but is the result of circumstances which may be illustrated by the fable of the ' Oak and the Reed;' the smaller and feebler animals have bent and accommodated themselves to changes which hare destroyed the... | |
 | 1859 - 554 Seiten
...existed, is not the consequence of degeneration—of any gradual diminution of the size of such species, but is the result of circumstances which may be illustrated by the fable of the "Oak and the Reed;" the smaller and feebler animals have bent and accommodated themselves to changes to which the larger species... | |
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Smaller quadrupeds are usually, also, more prolific than larger ones. The actual presence, therefore, of small species of animals in countries where... 
