Elements of geology, or, The Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments elementsofgeolog00lyel Year: 1868 View of the Eoche de Pignon, seen from the south. rocks before mentioned at Senneville, Vatteville, and Andelys, it may be compared to those needles of chalk which occur on the coast of Nor- mandy* (see fig. 354), as well as in the Isle of Wight and in Purbeck. Fig. 354. Needle and Arch of Etretat, in the chalk cliffs of Normandy. Height of Arch 100 feet. (Passy.)t The foregoing description and drawings will show
Elements of geology, or, The Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments elementsofgeolog00lyel Year: 1868 View of the Eoche de Pignon, seen from the south. rocks before mentioned at Senneville, Vatteville, and Andelys, it may be compared to those needles of chalk which occur on the coast of Nor- mandy* (see fig. 354), as well as in the Isle of Wight and in Purbeck. Fig. 354. Needle and Arch of Etretat, in the chalk cliffs of Normandy. Height of Arch 100 feet. (Passy.)t The foregoing description and drawings will show, that the evidence of certain escarpments of the chalk having been originally sea-cliffs, is far more full and satisfactory in France than in England. If it be asked why, in the interior of our own country, we meet with no ranges of precipices equally vertical and overhanging, and no isolated pillars or needles, we may reply that the greater hardness of the chalk in Nor- mandy may, no doubt, be the chief cause of this difference. But the * An account of these cliffs was read by the author to the British Assoc at Glasgow, Sept. 1840. f Seine-Infe'rieure, p. 142, and pi. 6, fig. 1.
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