 | American Association for the Advancement of Science - 1906 - Страниц: 602
...in their formation. It may be claimed that such conditions are •virtually universal;" and again: "Given any species in any region, the nearest related...separated from the first by a barrier of some sort." JB Steere, in a paper on the distribution of birds in the Philippines, published in 1894, formulated... | |
 | 1913 - Страниц: 780
...geographical isolation is an important factor in the formation of species, "Jordan's Law" ('05, p. 547) that "given any species in any region, the nearest related...separated from the first by a barrier of some sort, ' ' has been subject to much controversy and diversity of opinion. The conclusions of those biologists... | |
 | 1907 - Страниц: 888
...intervening barriers." President Jordan summarizes the distribution of species in a law, as follows: "Given any species in any region, the nearest related...separated from the first by a barrier of some sort." That the intent of the law involves both animal and vegetable kingdoms seems clear from the context.... | |
 | 1908 - Страниц: 950
...UNIVERSITY IN "Evolution and Animal Life," by Jordan and Kellogg (page 120), the following words are used: " Given any species, in any region, the nearest related species is not ko be found in the same region nor in a remote region, but in a neighboring district separated from... | |
 | John Michels (Journalist) - 1905 - Страниц: 908
...mentioned has a very broad application and may be raised to the dignity of a general law of distribution. Given any species in any region, the nearest related...separated from the first by a barrier of some sort. The nearest relative of the Tahoe trout (Salmo henshawi) is the cut-throat trout (Salmo clarki), its... | |
 | Arnold Edward Ortmann - 1897 - Страниц: 356
...Geographical Distribution of Nearly Related Species," American Naturalist, 41, 1007, pp. 207-240. ' " Given any species in any region, the nearest related...species is not likely to be found in the same region" (SCIENCE, 22, 1905, p. 547). ' Proceedings American Philosophical Society, 44, 1905, pp. 127, 128.... | |
 | University of California (1868-1952) - 1916 - Страниц: 692
...be immediately apparent that these facts, so far as they go, fulfill the requirements of Wagner and Jordan's law : "Given any species in any region, the...separated from the first by a barrier of some sort." It is now quite well established that on continuous land areas temperature is the most efficient of... | |
 | Harry Schelwald Swarth - 1913 - Страниц: 656
...be immediately apparent that these facts, so far as they go, fulfill the requirements of Wagner and Jordan's law : "Given any species in any region, the...separated from the first by a barrier of some sort." It is now quite well established that on continuous land areas •a temperature is the most efficient... | |
 | John Michels (Journalist) - 1905 - Страниц: 904
...mentioned has a very broad application and may be raised to the dignity of a general law of distribution. Given any species in any region, the nearest related...remote region, but in a neighboring district separated fi-om the first by a barrier of some sort. The nearest relative of the Tahoe trout (Salmo hrnnhaici)... | |
 | American Association for the Advancement of Science - 1906 - Страниц: 608
...factors in their formation. It may be claimed that such conditions are virtually universal'" and again: "Given any species in any region, the nearest related...separated from the first by a barrier of some sort." JB Steere, in a paper on the distribution of birds in the Philippines, published in 1894, formulated... | |
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Given any species in any region, the nearest related species is not likely to be found in the same region nor in a remote region, but in a neighboring district separated from the first by a barrier of some sort. 
