527/583 The stone composing this isthmus is so compact, that the best mill-stones in the Ionian Islands are made from it; but it is in fact nothing more than gravel and sand cemented by calcareous matter, the accretion of which is supposed to be rapidly advancing at the present day. Geological Transactions volume 5 page 479.) (**Footnote. Linnean Transactions 12 page 53 to 57.) (***Footnote. Geological Transactions 2nd Series volume 1 page 172.) (****Footnote. Koenig Philosophical Transactions 1814 page 107 etc.) (*****Footnote. |