The Naturalist . 5 fed < rt^ t5. THE NATURALIST. APRIL, 1832. NOTICE OF GRAHAM ISLAND. BY WM. AINSWORTH, ESQ. M. R. S. L. The ejection of volcanic masses, or the elevation of thestrata of the earth above the level of the soil or sea by naturalcauses, is of importance, remotely to all theories of the earth,and proximately to the true origin and formation of pseudoand active volcanic rocks and of craters of elevation. This branch of geological inquiry has received a new impulsefrom the late researches of De Buch and Elie Beaumont, andevery circumstance which tends to give consistency to opin-
The Naturalist . 5 fed < rt^ t5. THE NATURALIST. APRIL, 1832. NOTICE OF GRAHAM ISLAND. BY WM. AINSWORTH, ESQ. M. R. S. L. The ejection of volcanic masses, or the elevation of thestrata of the earth above the level of the soil or sea by naturalcauses, is of importance, remotely to all theories of the earth,and proximately to the true origin and formation of pseudoand active volcanic rocks and of craters of elevation. This branch of geological inquiry has received a new impulsefrom the late researches of De Buch and Elie Beaumont, andevery circumstance which tends to give consistency to opin-ions more or less theoretically deduced, is advantageous toscience. The elevation of Graham Island, in lat. 37° 1V N., and ° 44 E., in the Mediterranean Sea, between Pantellariaand Sciacca, which took place in the month of July, 1831,has been observed at different stages of its progress, and hasbeen attended with phenomena of such decided utility to thisinquiry, that they will be my excuse for intruding upon yourpages some
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