| American Academy of Arts and Sciences - 1860 - عدد الصفحات: 472
...changes in climate or other physical conditions operating during a long period of time ; or, whether each species originated where it now occurs, probably...as large an area, and generally the same area, or even the same discontinuous areas, as at the present time. The latter is understood to be the view... | |
| American Academy of Arts and Sciences - 1860 - عدد الصفحات: 490
...changes in climate or other physical conditions operating during a long period of time ; or, whether each species originated where it now occurs, probably...great a number of individuals occupying as large an areaj and generally the same area, or even the same discontinuous areas, as at the present time. The... | |
| American Academy of Arts and Sciences - 1857 - عدد الصفحات: 532
...area through climatic or other physical changes operating during a long period of time, — Professor Agassiz maintains, substantially, that each species...distribution, no less than the origin, of existing species simply to the Divine will, it would remove the whole question out of the field of inductive science.... | |
| United States. Department of Agriculture - 1895 - عدد الصفحات: 632
...occupies (autochthon, one born of the land itself). It • • maintains, substantially," says Gray, ''that each species originated where it now occurs,...generally the same area, or the same discontinuous area, as at the present time." Much the same view was held by Schouw, of Copenhagen, \vho advanced... | |
| 1895 - عدد الصفحات: 634
...which it occupies (autochthon, one born of the land itself). It "maintains, substantially," says Gray, "that each species originated where it now occurs,...generally the same area, or the same discontinuous area, as at the present time." 438 YEARBOOK OF THE U. 8. DEPARTMENT OF AGRICULTURE. IVIuch the same... | |
| Liberty Hyde Bailey - 1896 - عدد الصفحات: 536
...which it occupies (autochthon, one borne of the land itself). It "maintains, substantially," says Gray, "that each species originated where it now occurs,...same discontinuous areas as at the present time." Much the same view was held by Schouw, of Copenhagen, who advanced the hypothesis of the double or... | |
| Maine. Forest Commissioner - 1902 - عدد الصفحات: 244
...intelligent people who believe in special creation or the "multiple origin" of species. Even Agassiz believed that "each species originated where it now occurs, probably in as great a number of individuals and occupying the same areas as at present." Dr. Gray, on the other hand, held what seems the more... | |
| American Academy of Arts and Sciences - 1860 - عدد الصفحات: 468
...changes in climate or other physical conditions operating during a long period of time ; or, whether each species originated where it now occurs, probably...as large an area, and generally the same area, or even the same discontinuous areas, as at the present time. The latter is understood to be the view... | |
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