 | 1860 - 566 lehte
...the Linnsean Society, 1858, p. 55. 1 '.ut , as a general rule, the animal population of a country is stationary, being kept down by a periodical deficiency of food and other checks. Hence the struggle for existence; and the successful result of adapted organisation and powers in a... | |
 | 1859 - 578 lehte
...establishing these two points — lut, that the animal population of a country is generally stationary, bcing kept down by a periodical deficiency of food, and...that the comparative abundance or scarcity of the individualt of the several species is entirely due to their organization and resulting habits, which,... | |
 | 1860 - 894 lehte
...increase, where congenial food abounds. But, as a general rule, the animal population of a country is stationary, being kept down by a periodical deficiency of food, and other checks. Hence the struggle for existence ¡ and the successful result of adapted organization and powers in... | |
 | Alfred Russel Wallace - 1870 - 458 lehte
...is the necessary result. If now we have succeeded in establishing these two points — 1st, that the animal population of a country is generally stationary,...organization and resulting habits, which, rendering it more difficidt to procure a regular supply of food and to provide for their personal safety in some cases... | |
 | Alfred Russel Wallace - 1871 - 490 lehte
...is the necessary result. If now we have succeeded in establishing these two points — 1st, that the animal population of a country is generally stationary,...is entirely due to their organization and resulting habiis, which, rendering it more difficult to procure a regular supply of food and to provide for their... | |
 | Alfred Russel Wallace - 1891 - 518 lehte
...is the necessary result. If now we have succeeded in establishing these two points — 1st, that the animal population of a country is generally stationary,...periodical deficiency of food, and other checks ; and, 2d, that the comparative abundance or scarcity of the individuals of the several species is entirely... | |
 | Alfred Russel Wallace - 1891 - 516 lehte
...generally stationary, being kept down by a periodical deficiency of food, and other checks; and, 2d, that the comparative abundance or scarcity of the...individuals of the several species is entirely due to their organisation and resulting habits, which, rendering it more difficult to procure a regular supply of... | |
 | 1902 - 584 lehte
...is the necessary result. If now we have succeeded in establishing these two points — 1st, that the animal population of a country is generally stationary,...periodical deficiency of food, and other checks; and, 2d, that the comparative abundance or scarcity of the individuals of the several species is entirely... | |
 | Alfred Russel Wallace - 2002 - 1002 lehte
...is the necessary result. If now we have succeeded in establishing these two points; first, that the animal population of a country is generally stationary,...periodical deficiency of food, and other checks; and, secondly, that the comparative abundance or scarcity of the individuals of the several species is entirely... | |
 | George Sarton - 1925 - 658 lehte
...zu varieren? Darauf gibt WALLACE Antwort auf Grund des von ihm formulierten Divergenzprincips : « the comparative abundance or scarcity of the individuals of the several species is entirely doe to their organisation and resulting habils, which, rendering il more difficult to produce a regular... | |
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... under all the varying circumstances by which it is surrounded, we might be able even to calculate the proportionate abundance of individuals which is the necessary result. If now we have succeeded in establishing these two points... 