 | Charles Darwin - 1996 - 382 lehte
...here developed renders such an hypothesis quite unnecessary, by showing that similar results must be produced by the action of principles constantly at...talons of the falcon- and the cat-tribes have not been producd or increased by the volition of those animals; but among the different varieties which occurred... | |
 | Edmund Blair Bolles - 1999 - 518 lehte
...here developed renders such an hypothesis quite unnecessary, by showing that similar results must be produced by the action of principles constantly at...earlier and less highly organized forms of these groups, those always survived longest which had the greatest facilities for seizing their prey. Neither did... | |
 | Alfred Russel Wallace - 2002 - 1002 lehte
...here developed renders such an hypothesis quite unnecessary, by showing that similar results must be produced by the action of principles constantly at...The powerful retractile talons of the falcon and the cat tribes have not been produced or increased by the volition of those animals; but among the different... | |
 | Michael Shermer - 2002 - 448 lehte
...explanation, and, as always, Wallace offers specific case studies, including the now infamous giraffe example: "The powerful retractile talons of the falcon- and...earlier and less highly organized forms of these groups, those always survived longest which had the greatest facilities for seizing their prey. Neither did... | |
 | Alfred Russel Wallace - 2003 - 464 lehte
...here developed renders such an hypothesis quite unnecessary, by showing that similar results must be produced by the action of principles constantly at...increased by the volition of those animals; but among different varieties which occurred in the earlier and less highly organized forms of these groups,... | |
 | Charles Darwin - 2003 - 676 lehte
...here developed renders such an hypothesis quite unnecessary, by showing that similar results must be produced by the action of principles constantly at...earlier and less highly organized forms of these groups, those always survived longest which had the greatest facilities for seizing their prey. Neither did... | |
 | 294 lehte
...hypothesis quite unnecessary . . . The powerful retractile talons of the falcon and the cat tribes have not been produced or increased by the volition of those animals, . . . neither did the giraffe acquire its long neck by desiring to reach the foliage of the more lofty... | |
 | 1968 - 322 lehte
...hypothesis quite unnecessary. . . . The powerful retractile talons of the falcon and the cat tribes have not been produced or increased by the volition of those animals, neither did the giraffe acquire its long neck by desiring to reach the foliage of the more lofty shrubs,... | |
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The powerful retractile talons of the falcon- and the cat-tribes have not been produced or increased by the volition of those animals; but among the different varieties which occurred in the earlier and less highly organized forms of these groups, those... 
