. The Encyclopaedia Britannica; ... A dictionary of arts, sciences and general literature. s, of the final features of North America, and the con-formity to one system visibly marked out in every eventthrough the whole history—in the positions of its outlinesand the formations of its rocks, in the character of itsoscillations, and the courses of the mountains from time t»time raised—snstain the statement that the American con-tinent is a regular growth. The same facts also make it-evident that tlie oceanic areas between wliich the continent The case of such a trough .is that of the En
. The Encyclopaedia Britannica; ... A dictionary of arts, sciences and general literature. s, of the final features of North America, and the con-formity to one system visibly marked out in every eventthrough the whole history—in the positions of its outlinesand the formations of its rocks, in the character of itsoscillations, and the courses of the mountains from time t»time raised—snstain the statement that the American con-tinent is a regular growth. The same facts also make it-evident that tlie oceanic areas between wliich the continent The case of such a trough .is that of the English Channel,of the former continuity of whose sides there is ample evidence, whilstits bottom is nowhere 500 feet beneath the Kurfnce, is obviously alto-gether different. The extraordinary depth of the MecUterranean basin,on the other hand, affords strong reason for it as, like th»Atlantic, a portion of the original area uf doi^ession, circumscribed tifthe elevation of its borders. « Princifla of Cfc^y, Hthjdjfil. i p. 209. VOL m ATLANTIC OCEAN PLATE I lo ao SO w so. [NCYCLOP>fOlA-BRrTAHHlCA NINTH EDITION. * A T L A N T I C 17 lies have been chief among the regions of the earths crustthat have used the pent-up force in the contracting sphereto carry forward the continental developments. If thisvfas true of the North American continent, the same inprinciple was law for all continents.^ Dir-iensions oftlte Atlantic.—The length of the Atlanticbasin, considered as extending from the Arctic to theAntarctic circle, is nearly 8000 geographical miles. Thenearest approach of its boundaries is between Greenlandand Norway, whose coasts are only about 800 miles thence recede from each other towards the south,Bs far as the parallel of 30° N. lat., where, between thepeninsula of Florida and the western coast of Marocco,there is an interval of 70° of longitude, or about 3600geographical mUes. The channel then rapidly narrows asit passes southward, so that
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