Abstract
In papers which have been published in the ‘Transactions’ of the Royal and Geological Societies of Edinburgh, the Author has already given preliminary accounts of certain of his researches into the nature of the action of water saturated with carbonic acid gas on the following mineral and rock substances:—Orthoclase, oligoclase, labradorite, muscovite and biotite, hornblende, augite, olivine, steatite, magnetite, hæmatite, calcite, siderite, and statuary marble (crystalline limestone).