 | 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...naturalists, and has led to a very general and somewhat prejudiced belief in the stability of species. Equally general, however, is the belief in what are... | |
 | Alfred Russel Wallace - 1891 - 518 lehte
...VARIETIES TO DEPART INDEFINITELY FROM THE ORIGINAL TYPE Instability of Varieties supposed to prove the permanent distinctness of Species ONE of the strongest...naturalists, and has led to a very general and somewhat prejudiced belief in the stability of species. Equally general, however, is the belief in what are... | |
 | Alfred Russel Wallace - 1891 - 516 lehte
...VARIETIES TO DEPART INDEFINITELY FROM THE ORIGINAL TYPE Instability of Varieties supposed to prove the permanent distinctness of Species ONE of the strongest...varieties occurring among wild animals, this argument has ha<i great weight with naturalists, and has led to a very general and somewhat prejudiced belief in... | |
 | 1902 - 584 lehte
...the Tendency of Varieties to depart indefinitely from the Original Type. By ALFRED RDSSEL WALLACE. One of the strongest arguments which have been adduced...naturalists, and has led to a very general and somewhat prejudiced belief in the stability of species. Equally general, however, is the belief in what are... | |
 | 1858 - 478 lehte
...the Tendency of Varieties to depart indefinitely from the Original Type. By ALFBED RUSSEL WALLACE. One of the strongest arguments which have been adduced...naturalists, and has led to a very general and somewhat prejudiced belief in the stability of species. Equally general, however, is the belief in what are... | |
 | C. Leon Harris - 1981 - 360 lehte
...On the Tendency of Varieties to depart indefinitely from the Original Type. By Alfred Russel Wallace One of the strongest arguments which have been adduced...unchanged the originally created distinct species. ln the absence or scarcity of facts and observations as to varieties occurring among wild animals,... | |
 | Charles Darwin, Frederick Burkhardt - 1985 - 726 lehte
...the Tendency of Varieties to depart indefinitely from the Original Type. By ALFRED RUSSEL WALLACE. One of the strongest arguments which have been adduced...naturalists, and has led to a very general and somewhat prejudiced belief in the stability of species. Equally general, however, is the belief in what are... | |
 | Charles Darwin - 1996 - 382 lehte
...ON THE TENDENCY OF VARIETIES TO DEPART INDEFINITELY FROM THE ORIGINAL TYPE BY ALFRED RUSSEL WALLACE One of the strongest arguments which have been adduced...unchanged the originally created distinct species. 4. Notebook E:114; (Chapter 2, 75). In the absence or scarcity of facts and observations as to varieties... | |
 | Edmund Blair Bolles - 1999 - 518 lehte
...specialists. Yet Wallace's essay still shines with its clear outline of the process of natural selection. One of the strongest arguments which have been adduced...originally created distinct species. In the absence of scarcity of3 facts and observations as to varieties occurring among wild animals, this argument... | |
 | Alfred Russel Wallace - 2002 - 1002 lehte
...Dobbo late the same evening. On the Tendency of Varieties to Depart Indefinitely from the Original Type One of the strongest arguments which have been adduced...naturalists, and has led to a very general and somewhat prejudiced belief in the stability of species. Equally general, however, is the belief in what are... | |
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One of the strongest arguments which have been adduced to prove the original and permanent distinctness of species is, that varieties produced in a state of domesticity are more or less unstable, and often have a tendency, if left to themselves, to return... 
