 | 1860 - 982 頁
...the birds which are idly singing round us mostly live on insects or seeds, and arc thus constantly destroying life; or we forget how largely these songsters,...their eggs, or their nestlings, are destroyed by birds nnd beasts of prey ; we do not always bear in mind, that though food may bo now superabundant, it is... | |
 | Charles Darwin - 1861 - 470 頁
...the birds which are idly singing round us mostly live on insects or seeds, and are thus constantly destroying life ; or we forget how largely these songsters,...it is not so at all seasons of each recurring year. I should premise that I use the term Struggle for Existence in a large and metaphorical sense, including... | |
 | John Addington Symonds - 1863 - 70 頁
...the birds which are idly singing round us mostly live on insects or seeds, and are thus constantly destroying life; or we forget how largely these songsters,...nestlings, are destroyed by birds and beasts of prey." He tells us how seedlings are destroyed in vast numbers by various enemies ; for once on a small piece... | |
 | John Addington Symonds - 1863 - 70 頁
...the birds which are idly singing round us mostly live on insects or seeds, and are thus constantly destroying life; or we forget how largely these songsters,...nestlings, are destroyed by birds and beasts of prey." He tells us how seedlings are destroyed in vast numbers by various enemies ; for once on a small piece... | |
 | Charles Darwin - 1864 - 472 頁
...the birds which are idly singing round us mostly live on insects or seeds, and are thus constantly destroying life ; or we forget how largely these songsters,...not always bear in mind, that though food may be now superabun-" \ "dant, it is not so at all seasons of each recurring year. I should premise that I use... | |
 | Charles Darwin - 1866 - 668 頁
...the birds which are idly singing round us mostly live on insects or seeds, and are thus constantly destroying life ; or we forget how largely these songsters,...it is not so at all seasons of each recurring year. The Term, Struggle for Existence, used in a large sense. I should premise that I use this term in a... | |
 | John Addington Symonds - 1871 - 468 頁
...that the birds which are idly singing round us mostly live on insects or seeds, and are thusconstantly destroying life ; or we forget how largely these songsters,...nestlings, are destroyed by birds and beasts of prey." He tells us how seedlings are destroyed in vast numbers by various enemies ; for once on a small piece... | |
 | 1875 - 844 頁
...the birds which are idly singing around us mostly live on insects or seeds, and are thus constantly destroying life : or we forget how largely • these...their eggs, or their, nestlings, are destroyed by beasts of ' prey : we do not always bear in mind j that, though food may .now be supera-! bundaot,... | |
 | Asa Gray - 1877 - 418 頁
...the lairds which are idly singing round us mostly live on insects or seeds, and are thus constantly destroying life; or we forget how largely these songsters,...superabundant, it is not so at all seasons of each recurring year."—(p. 62.) "There is no exception to the rule that every organic being naturally increases at... | |
 | Friedrich Albert Lange - 1881 - 394 頁
...the birds which are idly singing round us mostly live on insects or seeds, and are thus constantly destroying life; or we forget how largely these songsters,...beasts of prey; we do not always bear in mind that although food may be now superabundant, it is not so at all seasons of each recurring year." The struggle... | |
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We behold the face of nature bright with gladness, we often see superabundance of food ; we do not see, or we forget, that the birds which are idly singing round us mostly live on insects or seeds, and are thus constantly destroying life ; or we forget... 
