Irruptions of the sea. Mediterranean Sea. Sluice-theory of Strato. Samothracian legends. The Myth of Lyctonia and the submerged Atlantis—pp. 262–266. Concerning the precipitation of clouds—p. 266. The indurating crust of the earth while giving out caloric. Heated currents of air, which in the primordial period, during the frequent corrugations of the mountainous strata, and the upheaval of lands, have poured into the atmosphere through temporary fissures and chasms—pp. 266–268. Colossal size and great age of certain genera of trees, _e. g._, the dragon-tree of Orotava of 13, the Adansonia digitata (Baobab) of 33 feet in diameter. Carved characters of the 15th century. Adanson assigns to certain Baobab-stems of Senegambia an age of from 5000 to 6000 years—pp. 268–273. According to an estimate based on the number of the annual rings, there are yews (Taxus baccata) of from 2600 to 3000 years old. Whether in the temperate northern zone that part of a tree which faces the north has narrower rings, as Michael Montaigne asserted in 1581? Gigantic trees, of which some individuals attain a diameter of above 20 feet and an age of several centuries, belong to the most opposite natural families—pp. 273–274. Diameter of the Mexican Schubertia disticha of Santa Maria del Tule 43, of the oak near Saintes (Dep. de la Charente inf.) 30 feet. The age of this oak considered by its annual rings to be from 1800 to 2000 years. The main stem of the rose-tree (27 feet high) at the crypt of the church of Hildesheim is 800 years old. A species of fucus, Macrocystis pyrifera, attains a length of more than 350 feet, and therefore exceeds all the conifera in length, not excepting the Sequoia gigantea itself—pp. 274–276.