| Sir Norman Lockyer - 1871 - 662 páginas
...closely-packed examples. And what is Mr. Darwin's commentary on these facts ? I again quote page 158 : — " We feel at first naturally inclined to attribute the...hawks when used for hawking, chetahs when used for hurtling, and elephants. The reproductive organs themselves are not diseased, and the diseases from... | |
| Sir Norman Lockyer - 1871 - 546 páginas
...closely-packed examples. And what is Mr. Darwin's commentary on these facts ? I again quote page 158 : — " We feel at first naturally inclined to attribute the...vigorous many animals are under captivity, such as yarrots and hawks when used for hawking, chetahs when used for hunting, and elephants. The reproductive... | |
| Sir Norman Lockyer - 1871 - 540 páginas
...facts? I again quote page 58 : — " We feel at first naturally inclined to attribute the result > loss of health, or at least to loss of vigour, but this view can ardly be admitted when we reflect how healthy, long-lived, and igotxms many animals are under captivity,... | |
| Charles Darwin - 1876 - 544 páginas
...prove that animals when first confined are eminently liable to suffer in their reproductive systems. We feel at first naturally inclined to attribute the...least to loss of vigour ; but this view can hardly bo admitted when we reflect how healthy, long-lived, and vigorous many animals ave under captivity,... | |
| 1883 - 774 páginas
...their reproductive systems. We feel at first naturally inclined to attribute the result to loss cf health, or at least to loss of vigour, but this view...such as parrots, and hawks when used for hawking, ohetahs when used for hunting, and elephants. The reproductive organ s themselves are not diseased,... | |
| 1883 - 764 páginas
...that animals, when first confined, are eminently liable to suffer in their reproductive systems. We feel at first naturally inclined to attribute the result to loss of health, or at least to loss of vigor :. but this view can hardly be admitted, when we reflect how healthy,' long-lived, and vigorous... | |
| 1883 - 768 páginas
...inclined to attribute the result to km d health, or at least to loss of vigour, bnt this view eanhardlj be admitted when we reflect how healthy, long-lived,...vigorous many animals are under captivity, such as parrot*, and hawks when u&ed for hawking, ohetahs when used lu hunting, and elephants. The reproductive... | |
| James Matthews Duncan - 1884 - 174 páginas
...that animals, when first confined, are eminently liable to suffer in their reproductive systems. We feel at first naturally inclined to attribute the...hawks when used for hawking, chetahs when used for Imnting, and elephants. The reproductive organs themselves are not diseased, and the diseases from... | |
| Charles Darwin - 1890 - 532 páginas
...prove that animals when first confined are eminently liable to suffer in their reproductive systems. We feel at first naturally inclined to attribute the...this view can hardly be admitted when we reflect how heal thy,' long-lived, and vigorous many animals ave under captivity, such as parrots, and hawks when... | |
| Charles Darwin - 1898 - 522 páginas
...prove that animals when first confined are eminently liable to suffer in their reproductive systems. We feel at first naturally inclined to attribute the...least to loss of vigour : but this view can hardly bo admitted when we reflect how healthy, long-lived, and vigorous many animals are under captivity,... | |
| |