| Charles Darwin - 1861 - Страниц: 470
...sure that the cause lies quite as much in other species being favoured, as in this one being hurt. So it is when we travel northward, but in a somewhat...and therefore of competitors, decreases northwards ; houce in going northward, or in ascending a mountain, we far oftener meet with stunted forms, due... | |
| Charles Darwin - 1875 - Страниц: 504
...sure that the cause lies quite as much in other species being favoured, as in this one being hurt. So it is when we travel northward, but in a somewhat...competitors, decreases northwards ; hence in going northwards, or in ascending a mountain, we far oftener meet with stunted forms, due to the directly... | |
| Asa Gray - 1877 - Страниц: 418
...degree, for the number or species of all kinds, and therefore of competitors, decreases northward; hence, in going northward, or in ascending a mountain,...injurious action of climate, than we do in proceeding southward or in descending a mountain. When we reach the arctic regions, or snow-capped summits, or... | |
| T Warren O'Neill - 1880 - Страниц: 482
...feel sure that the cause lies quite as much in other species being favored, as in this one being hurt. So it is, when we travel northward, but in a somewhat...all kinds, and therefore of competitors, decreases northward; hence, in going northward, or in ascending a mountain, we far oftener meet with stunted... | |
| Charles Darwin - 1884 - Страниц: 396
...feel sure that the cause lies quite as much in other species being favored as in this one being hurt. So it is when we travel northward, but in a somewhat...all kinds, and therefore of competitors, decreases northward ; hence, in going northward, or in ascending a mountain, we far oftener meet with stunted... | |
| 1886 - Страниц: 548
...feel sure that the cause lies quite as much in other species being favored as in this one being hurt. So it is when we travel northward, but in a somewhat...all kinds, and therefore of competitors, decreases northward ; hence, in going northward or in ascending a mountain, we far oftener meet with stunted... | |
| Henry Coppée - 1893 - Страниц: 560
...feel sure that the cause lies quite as much in other species being favored as in this one being hurt. So it is when we travel northward, but in a somewhat lesser degree, for the number of specie« of all kinds, and therefore of competitors, decreases northward ; hence, in going northward... | |
| Charles Darwin - 1896 - Страниц: 408
...sure that the cause lies quite as much in other species being favoured, as in this one being hurt. So it is when we travel northward, but in a somewhat...competitors, decreases northwards; hence in going northwards, or in ascending a mountain, we far oftener meet with stunted forms, due to the directly... | |
| Charles Darwin - 1896 - Страниц: 406
...sure that the cause lies quite as much in other species being favoured, as in this one being hurt. So it is when we travel northward, but in a somewhat...competitors, decreases northwards; hence in going northwards, or in ascending a mountain, we far oftener meet with stunted forms, due to the directly... | |
| Charles Dudley Warner - 1897 - Страниц: 494
...feel sure that the cause lies quite as much in other species being favored as in this one being hurt. So it is when we travel northward; but in a somewhat...all kinds, and therefore of competitors, decreases northward; hence in going northward, or in ascending a mountain, we far oftener meet with stunted forms,... | |
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