| 1859 - 578 lehte
...form of the parent species ; and this instability ia considered to be a distinctive peculiarity of nil varieties, even of those occurring among wild animals...that the one is considered to be a variety of the other. Which is the variety and which the original »pedes, there is generally no means of determining,... | |
| Alfred Russel Wallace - 1870 - 414 lehte
...February, 1858; and published in tlie Journal of the Proceedings of the Linnsean Society for August, 1858. prejudiced belief in the stability of species. Equally...that the one is considered to be a variety of the other. Which is the variety and which the original species, there is generally no means of determining,... | |
| Alfred Russel Wallace - 1871 - 412 lehte
...February, 1858; and published in the Journal of the Proceedings of the Linnsean Society for August, 1858. prejudiced belief in the stability of species. Equally...the belief in what are called " permanent or true varieties,"—races of animals which continually propagate their like, but which differ so slightly... | |
| Alfred Russel Wallace - 1871 - 434 lehte
...February, 1858; and published in the Journal of the Proceedings of the Linnsean Society for August, 1858. prejudiced belief in the stability of species. Equally...the belief in what are called " permanent or true varieties,"—races of animals which continually propagate their like, but which differ so slightly... | |
| Alfred Russel Wallace - 1891 - 518 lehte
...THE ORIGINAL TYPE Instability of Varieties supposed to prove the permanent distinctness of Species ONE of the strongest arguments which have been adduced...that the one is considered to be a variety of the other. Which is the variety and which the original species, there is generally no means of determining,... | |
| Alfred Russel Wallace - 1891 - 516 lehte
...species. Equally general, however, is the belief in what arc called "permanent or true varieties,"—races of animals which continually propagate their like,...that the one is considered to be a variety of the other. Which is the variety and which the original species, there is generally no means of determining,... | |
| 1902 - 584 lehte
...DARWIN. 3. On the Tendency of Varieties to depart indefinitely from the Original Type. By ALFRED RDSSEL WALLACE. One of the strongest arguments which have...that the one is considered to be a variety of the other. Which is the variety and which the original species, there is generally no means of determining,... | |
| 1901 - 614 lehte
...C. DARWIN. 3. On the Tendency of Varieties to depart indefinitely from the Original Type. By ALFRED RUSSEL WALLACE. One of the strongest arguments which...that the one is considered to be a variety of the other. Which is the variety and which the original species, there is generally no means of determining,... | |
| C. Leon Harris - 1981 - 360 lehte
...and to constitute a provision for preserving unchanged the originally created distinct species. ln the absence or scarcity of facts and observations...that the one is considered to be a variety of the other. Which is the variety and which the original species, there is generally no means of determining,... | |
| Charles Darwin, Frederick Burkhardt - 1985 - 726 lehte
...former paper. On the Tendency of Varieties to depart indefinitely from the Original Type. By ALFRED RUSSEL WALLACE. One of the strongest arguments which...that the one is considered to be a variety of the other. Which is the variety and which the original species, there is generally no means of determining,... | |
| |