 common cattle. This strikes me as a good illustration of how little we are able to judge from the ordinary habits of life, on what circumstances, occurring only at long intervals, the rarity or extinction of a species may be determined.  Bulletin of the Pan American Union - Էջ 291Pan American Union - 1916Ամբողջությամբ դիտվող - Այս գրքի մասին
 | Charles Darwin - 1846 - 716 էջ
...niatas cannot so well do, as their lips do not join, and hence they are found to perish before the common cattle. This strikes me as a good illustration...rarity or extinction of a species may be determined. November 19th.—Passing the valley of Las Vacas, we slept at a house of a North American, who worked... | |
 | Charles Darwin - 1846 - 390 էջ
...niatas cannot so .well do, as their lips do not join, and hence they are found to perish before the common cattle. This strikes me as a good' illustration...rarity or extinction of a species may be determined. November \9th.—Passing the valley of Las Vacas, we slept at a house of a North American, who worked... | |
 | Charles Darwin - 1846 - 396 էջ
...their lips do not join, and hence they are found to perish before the common cattle. This strikes mo as a good illustration of how little we are able to...rarity or extinction of a species may be determined. November 19th.—Passing the valley of Las Vacas, we slept at a house of a North American, who worked... | |
 | Charles Darwin - 1871 - 546 էջ
...their lips do not join, and hence they are found to perish before the common cattle. This strikes me.as a good illustration of how little we are able to judge from the ordinary habits of life, fA nearly similar abnormal, but I do not know whether hereditary, structure has been observed in the... | |
 | Charles Darwin - 1875 - 510 էջ
...their lips do not join, and hence they an found to perish before the common cattle. This strikes mt as a good illustration of how little we are able to judge from the ordinary habits of an animal, on what eircunistan«-?, occurring only at long intervals of time, its rarity or extinction... | |
 | Charles Darwin - 1876 - 574 էջ
...niatas cannot so well do, as their lips do not join, and hence they are found to perish before the common cattle. This strikes me as a good illustration...little we are able to judge from the ordinary habits of lift 1 , * Mr. Waterhouse has drawn up a detailed description of this head, which I hope he will publish... | |
 | Charles Darwin - 1876 - 508 էջ
...niatas cannot so well do, as their lips do not join, and hence they are found to perish before the common cattle. This strikes me as a good illustration...little we are able to judge from the ordinary habits of an animal, on what circumstances, occurring only at long intervals of time, its rarity or extinction... | |
 | Charles Darwin - 1876 - 586 էջ
...hence they are found to perish bt-fiinthe common cattle. This strikes me as a good illustration ''f how little we are able to judge from the ordinary habits of life, * Mr. Waterhousc has drawn up a detailed description of this bmA, which I hope lie will publish in... | |
 | Charles Darwin - 1884 - 574 էջ
...niatas cannot so well do, as their lips do not join, and hence they are found to perish before the common cattle. This strikes me as a good illustration...are able to judge from the ordinary habits of life, tA nearly similar abnormal, but I do not know whether hereditary, structure has been observed in the... | |
 | George Thomas Bettany - 1887 - 232 էջ
...their lips do not join, rendering them unable to browse on twigs/*" This strikes me," says Darwin, " as a good illustration of how little we are able to...rarity or extinction of a species may be determined." By the time this appeared, however, in 1845, tlle author had embarked on his great investigation. The... | |
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