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Thera and its Prehistoric Ruins. 141 island, which took up the whole expanse now occupied by the bay. Two peaks sent their heads aloft in the central part of the island, i. e. those of St. Elia and the volcano ; their flanks, down which had slipped and spread belchings of every sort, stretched to the coast with a gentle incline; the soil being rich Fic. 28.— Map of Saniorin. in all the gifts of Liber and Demeter. Fresh eruptions added to the size of the island throughout the quaternary period, when man made his appearance ; then came the catastrophe whose phases the man of science reconstructs with as much certainty
