 ... while the form and structure of his body will remain unchanged. So when a glacial epoch comes on, some animals must acquire warmer fur, or a covering of fat, or else die of cold. Those best clothed by nature are, therefore, preserved by natural selection....  The Natural History Review - Page 3311864Full view - About this book
 | 1864 - 668 lehte
...prey. The capacities which enable him to do this are what he requires to be strengthened, and these will, therefore, be gradually modified by " natural...circumstances, will make himself warmer clothing, and build better houses ; and the necessity of doing this will react upon his mental organisation and social... | |
 | 1868 - 978 lehte
...prey. The capacities which enable him to do this are what he requires to be strengthened, and these will, therefore, be gradually modified by • natural...circumstances, will make himself warmer clothing, and build better houses; and the necessity for doing this will react upon his mental organisation and social... | |
 | Alfred Russel Wallace - 1870 - 458 lehte
...prey. The capacities which enable him to do this are what he requires to be strengthened, and these will, therefore, be gradually modified by "natural...circumstances, will make himself warmer clothing, and build better houses ; and the necessity of doing this will react upon his mental organization and social... | |
 | Alfred Russel Wallace - 1871 - 412 lehte
...prey. The capacities which enable him to do this are what he requires to be strengthened, and these will, therefore, be gradually modified by " natural...circumstances, will make himself warmer clothing, and build better houses; and the necessity of doing this will react upon his mental organization and social condition—will... | |
 | Alfred Russel Wallace - 1871 - 64 lehte
...prey. The capacities which enable him to do this are what he requires to- be strengthened, and these will, therefore, be gradually modified by "natural...glacial epoch comes on, some animals must acquire a warmer fur, or a covering of fat, or else die of cold. Those best clothed by nature are, therefore,... | |
 | William Rathbone Greg - 1872 - 348 lehte
...prey. The capacities which enable him to do this are what he requires to be strengthened, and these will, therefore, be gradually modified by "natural...circumstances, will make himself warmer clothing, and build better houses ; and the necessity of doing this will react upon his mental organisation and social... | |
 | William Rathbone Greg - 1873 - 352 lehte
...prey. The capacities which enable him to do this are what he requires to be strengthened, and these will, therefore, be gradually modified by 'natural...circumstances, will make himself warmer clothing and build better houses ; and the necessity of doing this will react upon his mental organization and social... | |
 | Wm. R. Greg - 1873 - 354 lehte
...prey. The capacities which enable him to do this are what he requires to be strengthened, and these will, therefore, be gradually modified by " natural...body will remain unchanged. So when a glacial epoch cornea on, some animals must acquire warmer fur, or a covering of fat, or else die of cold. Those best... | |
 | Sir Arthur Mitchell - 1881 - 380 lehte
...prey. The capacities which enable him to do this are what he requires to be strengthened, and these will, therefore, be gradually modified by ' natural...circumstances, will make himself warmer clothing, and build better houses; and the necessity of doing this will react upon his mental organization and social condition... | |
 | Sir Arthur Mitchell - 1881 - 386 lehte
...prey. The capacities which enable him to do this arc what he requires to be strengthened, and these will, therefore, be gradually modified by 'natural...Man, under the same circumstances, will make himself wanner clothing, and build better houses; and the necessity of doing this will react upon his mental... | |
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