 | Alfred Russel Wallace - 1876 - 503 lehte
...intermediate districts, which possess some of the characteristics of two well-marked regions, with a few special features of their own, or perhaps with...to decide in all cases which region should possess this doubtful territory, or whether it should be formed into a primary region itself. Again, two regions... | |
 | ALFRED RUSSEL WALLACE - 1876
...intermediate districts, which possess some of the characteristics of two well-marked regions, with a few special features of their own, or perhaps with...to decide in all cases which region should possess this doubtful territory, or whether it should be formed into a primary region itself. Again, two regions... | |
 | Joel Asaph Allen - 1878 - 377 lehte
...first objection, it will be found impossible to form any three •Geogr. Diet. Anim., vol. i, pp. C3, 64. or more regions, each of which differs from the...as a rule, no strongly marked boundary-lines, and in the liferegions, especially those of lesser rank, the boundaries can be given only approximately,... | |
 | 1878
...manner. One will surpass all others in the possession of peculiar families; another will have mauy characteristic genera; while a third will be mainly...as a rule, no strongly marked boundary-lines, and in the liferegions, especially those of lesser rank, the boundaries can be given only approximately,... | |
 | Biological Society of Washington - 1882
...intermediate districts, which possess some of the characteristics of two well" marked regions, with a few special features of their own, or perhaps with...whether it should be formed into a primary region itself."* As to the question " Which class of animals is of most importance in determining Zoological... | |
 | Biological Society of Washington - 1885
...intermediate districts, which possess some of the characteristics of two well" marked regions, with a few special features of their own, or perhaps with...whether it should be formed into a primary region itself."* As to the question " Which class of animals is of most importance in determining Zoological... | |
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One will surpass all others in the possession of peculiar families; another will have many characteristic genera; while a third will be mainly distinguished by negative characters. There will also be found many intermediate districts, which possess some... 