Extracts from Von Humboldt, Cosmos, Translation by E. C. O. OTTÉ Vol. 1, New York, 1851,.p. 242.
...... Similar insular elevations, and almost always at equal intervals of 80 or 90 ysars (Footnote dagger) have been manifested in te island of St. Michael in the Azores; but in this case the bottom of sea 80~ h~s ot been elevated at exactly the same parts (Footnote doublecross), The island which Captain Tillard namsd Sabrina, appeared unfortunately at a time (the 30th of January, 1811) when the political relations of the marime nations of Western Europe prevented that atttention being bestowed upon the subject by scientific institutions which was afterward directed to the sudden appearance (the 2d of July, 1831),and the speedy destruction of the igneous island of Ferdinandea in the Sicilian Sea, between the limestone shores of Sciacca and the purely volcanic island of Pantelleria.
(Footnote dagger) Appearance of a new island near St. Miguel; one of the Azores, 11th of June 1638, 31st of December, 1719, 13th of June 1811.
(Footnote doublecross) [My estimed friend Dr Webster professor of Chemistry and Minerology at Harvard College, Cambridge, Massachusetts. U.S.in his Description of the Island of St. Michael &c, Boston, 1822 gives an interesting account of the sudden appearance of the island named Sabrina, whioh was about a miile in circumference , and two or three hundred feet above the level of the ocean. After cotinuing for some weeks, it sank into the sea..........]
( Footnote paragraph symbol) Prévost, in the Bull. de kla Socié téGéologique t. iii., p.34; Freidrich Hoffman, Hinterlassene Werke, bd.ii, 451-456.
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