 | Charles Darwin - 1876 - 586 páginas
...beaks. The beak of the sub-group Certliidea, is shown in Fig. 4. The beak of Cactorni-- is somtwhat like that of a starling ; and that of the fourth sub-group....one might really fancy that from an original paucity 'if birds in this archipelago, one species had been taken and modified for different ends. In a like... | |
 | Charles Darwin - 1887 - 586 páginas
...first. edition (p. 461) without comment. Whereas in the second edition (p. 380) he concludes : — " One might really fancy that from an original paucity of birds in this Archipelago, one species has been taken and modified for different ends." On the whole it seems to me remarkable that the difference... | |
 | Charles Darwin - 1887 - 570 páginas
...first edition (p. 461) without comment. Whereas in the second edition (p. 380) he concludes :— " One might really fancy that from an original paucity of birds in this Archipelago, one species has been taken and modified for different ends/' On the whole it seems to me remarkable that the difference... | |
 | Charles Darwin - 1887 - 588 páginas
...first edition (p. 461) without comment. Whereas in the second edition (p. 380) he concludes : — " One might really fancy that from an original paucity of birds in this Archipelago, one species has been taken and modified for different ends." On the whole it seems to me remarkable that the difference... | |
 | William Parker Cutler - 1888 - 1034 páginas
...first edition (p. 461) without comment. Whereas in the second edition (p. 380) he concludes : — " One might really fancy that from an original paucity of birds in this Archipelago, one species has been taken and modified for different ends." On the whole it seems to me remarkable that the difference... | |
 | Charles Darwin - 1889 - 462 páginas
...main group), even to that of a warbler. The largest beak in the genus Geospiza is shown in Fig. I, and the smallest in Fig. 3 ; but instead of there...group of birds, one might really fancy that from an 1835.] BIRDS. 277 original paucity of birds in this archipelago, one species had been taken and modified... | |
 | James Hutchison Stirling - 1890 - 440 páginas
...of their numbers;" and it is by reason of these numbers that " one might really fancy," he says, " that from an original paucity of birds in this archipelago,...species had been taken and modified for different ends." Now, in these four finch heads we have what, in the mind of Mr. Darwin, was the motive and the generative... | |
 | James Hutchison Stirling - 1890 - 440 páginas
...of their numbers ; " and it is by reason of these numbers that " one might really fancy," he says, " that from an original paucity of birds in this archipelago,...species had been taken and modified for different ends." Now, in these four finch heads we have what, in the mind of Mr. Darwin, was the motive and the generative... | |
 | Charles Darwin - 1896 - 580 páginas
...first edition (p. 461) without comment. Whereas in the second edition (p. 380) he concludes : — " One might really fancy that from an original paucity of birds in this Archipelago, one species has been taken and modified for different ends." On the whole it seems to me remarkable that the difference... | |
 | Charles Darwin - 1908 - 542 páginas
...main group), even to that of a warbler. The largest beak in the genus Geospiza is shown in Fig. i, and the smallest in Fig. 3; but instead of there being...might really fancy that from an original paucity of i. Geospiza magnirostris. 3. Geospiza parvula. 2. Geospiza fortis. 4. Certhidea olivacea. birds in... | |
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Seeing this gradation and diversity of structure in one small, intimately related group of birds, one might really 1. Geospiza magnirostris. 3. Geospiza parvula. 2. Geospiza fortis. 4. Certhidea olivacea. fancy that from an original paucity of birds in... 
