 | 1859 - 450 페이지
...species conceal themselves and escape. Smaller animals are usually also more prolific than larger ones. " The actual presence, therefore, of small species of...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... | |
 | 1859 - 478 페이지
...conccal themselves and escape. Smaller animals are usually also more prolific than larger ones. " Tho actual presence, therefore, of small species of animals...families formerly existed, is not the consequence of any gradual diminution of tho size of such species, but is the result of cireumstances which may be... | |
 | British Association for the Advancement of Science - 1859 - 750 페이지
...conceal themselves and escape. Smaller animals are usually, also, more prolific than larger ones. " The actual presence, therefore, of small species of...larger species of the same natural families formerly exisied, is not the consequence of any gradual diminution of the size of such species, but is the result... | |
 | 1859 - 552 페이지
...'• The artual presence, therefore, of small species of animals in countries where larger epeciea of the same natural families formerly existed, is not the consequence of any gradual diminution of the size of such species, hut is tha result of circumstances which may be... | |
 | 1860 - 448 페이지
...large and conspicuous animal will fall я prey, while the smaller kinds «onceal themselves and escupe. Small quadrupeds, moreover, are more prolific than...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... | |
 | 1860 - 452 페이지
...prolific than large ones. Those of the bulk of the mastodons, megatheria, glyptodons, and diprotodons, arc uniparous. The actual presence, therefore, of small...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... | |
 | 1860 - 966 페이지
...conspicuous size, by predatory tribes. The larger species are also much less prolific than the smaller. " The actual presence, therefore, of small species of...of degeneration— of any gradual diminution of the si/e of such species — but is the result of circumstances, which may be illustrated by the fable... | |
 | Richard Owen - 1861 - 552 페이지
...Small quadrupeds are more prolific than large ones. Those of the bulk of the Mastodons, Megatheres, Glyptodons, and Diprotodons are uniparous. The actual...circumstances which may be illustrated by the fable of the "oak and the reed ;" the smaller animals have bent and accommodated themselves to changes to... | |
 | Richard Owen - 1861 - 490 페이지
...prolific than large ones. Those of the bulk of the Mastodons, Megatheres, Glyptodons, and Uiprotodons are uniparous. The actual presence, therefore, of...circumstances which may be illustrated by the fable of the " oak and the reed ;" the smaller animals have bent and accommodated themselves to changes to... | |
 | sir John Frederick W. Herschel (1st bart.) - 1862 - 470 페이지
...escape; smaller animals are also usually more prolific than larger ones. The actual presence, then, of small species of Animals in. countries where larger...families formerly existed, is not the consequence of any gradual diminution of size of such species The smaller and feebler animals have bent and accommodated... | |
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... 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... 
