Britain is an emergent mass of land rising from a submarine platform that attaches it to the Continent of Europe. The shallowness of its waters-shallow relatively to the profundity of ocean deeps-is most pronounced off the eastern and south-eastern coasts; but it extends westward as far as the isles of Scilly, which are isolated mountain-peaks of the submerged plateau. The seas that wash the long Cornish peninsula, therefore, though they are thoroughly oceanic in character, especially on the north, are not oceanic in depth; we have to pass far beyond Scilly to cross the hundred-fathom line. From the Dover strait westward there is a gradual lowering of the incline, though of course with such variations and undulations as we find on the emerged plains; but the existence of this vast submarine basis must cause us to think of our island, naturally and geologically, as a true part of the great European continent, rendered insular by the comparatively recent intrusion of shallow and narrow waters. With some developments and some limits, our flora and fauna are absolutely Continental, the limits being even more noticeable as regards Ireland. The extensive coast-line has played a most important part in influencing national history and characteristics. The greater or less resistance of different rocks and soils has affected not only coast-configurations, but therewith also the very existence and well-being of the inhabitants.
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