On the Evidences of a Submergence of Western Europe, and of the Mediterranean Coasts, at the Close of the Glacial or So-Called Post-Glacial Period, and Immediately Preceding the Neolithic or Recent Period . t from that we have hitherto noticed, but no less striking* Both Guernsey * Lambardib estimated the loss on the Normandy coast at 1 pied de roi annually. M. Baude men-tions later observations continued from 1800 to 1847, which show that at the Cape dAilly, near Dieppe^the loss was 0*80 metre yearly, but at the Cape La Heve, near Havre, it was only 0*30 metre. OF WESTERN EUROPE AND THE MEDIT
On the Evidences of a Submergence of Western Europe, and of the Mediterranean Coasts, at the Close of the Glacial or So-Called Post-Glacial Period, and Immediately Preceding the Neolithic or Recent Period . t from that we have hitherto noticed, but no less striking* Both Guernsey * Lambardib estimated the loss on the Normandy coast at 1 pied de roi annually. M. Baude men-tions later observations continued from 1800 to 1847, which show that at the Cape dAilly, near Dieppe^the loss was 0*80 metre yearly, but at the Cape La Heve, near Havre, it was only 0*30 metre. OF WESTERN EUROPE AND THE MEDITERRANEAN COASTS. 913 and Jersey have been surrounded by a Raised beach # overlaid by a head ofRubble-driffc, though it is only at intervals that remnants of the beach are now to beseen. In Guernsey, sections more or less perfect are shown on the cliff south ofSt. Peters, at St. Martin s Point, in Saints Bay, La Pezerie,f Creux des Fees,t Havre,Bordeaux, f at Fort Gray, Lihou Fort, and Also at a few places on the northside of the island. Amongst the best preserved are those at Lihou passage andFirman Bay, of which latter the following (fig. 5) is a section. Fig. §.—Baised Beach, Firman a. Head of angular fragments of the local rocks—some of the fragments of large size—in a matrix of loam or brick-earth, 20 feet Raised beach of well-rolled pebbles and subangular blocks of granite, &c, 6 feet Granite (decomposed), 5 feet. The height of the beach is less than on the English coast, being generally only 5 to8 feet above the high tide level. No shells are recorded. The greater part of the Island (as also Jersey) forms a plateau 300 to 350 feethigh, of granitic and metamorphic rocks, and is without any commanding plateau is covered very generally by a deposit of Loess or brick-earth from 5 to 10feet thick, extending over the highest points of the surface. The Loess is identicalwith that on the mainland, and that it is not to be confoun
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