The author stated that the coal to which he called attention was found at Fordel collieries, near Inverkeithing, Fife, and that he was indebted for specimens of it to Mr Robert Daw, comptroller of customs at Leith. It is a splint coal, and exhibits numerous vegetable impressions, particularly of Sigillaria and Stigmaria. These plants appear, indeed, the author thought, to have formed the main substance of the coal, as shown not only by its external appearance, but also by its microscopical structure. Cellular and woody tissue have long been recognised in coal; but from what is now seen in the Fordel and other varieties, it would appear that scalariform and dotted tissue are often present, and, moreover, that in some instances peculiar dotted vessels have been mistaken for true punctated woody tissue.