Classification of Vertebrata (Classic Reprint): Recent and Extinct: Recent and Extinct (Classic Reprint) - Softcover

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Excerpt from Classification of Vertebrata: Recent and Extinct

The living forms are like the growing plants in a peat bog. The latter are more or less separated by intervening stretches of water into patches, islands, and little continents. A foot or two lower down, or if the water-level sinks, the patches change in extent and in numbers, some still remaining apparently separate (very old, generalised, isolated but after all connected by the peat, the entangled mass of countless generations.

The sequence of the groups, although arranged as much as possible in ascending order, is of necessity as unnatural as that of the maps in an atlas.

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