Under this title (Encyc.) we gave an account of the method recommended by Messrs Forsyth and Hitt for curing injuries and defects in trees. The actual cautery is employed in Cevennes, and in the department de l'Allier, in France, for stopping the progress of rottenness in large trees. When they perceive that this very common and destructive disease begins to make some progress in the chestnut-tree, by excavating its trunk, they collect heath, and other combustible vegetables, and burn them in the very cavity, till the surface is completely converted into a coal. It seldom happens that the tree perishes by the effect of this operation, and it is always found that this remedy suspends the progress of the decay. It is practised in the same manner, and with similar success, on the white oak. When we compare the effects of the actual cautery on the animal system, in similar diseases, a new resemblance is seen between the diseases which affect the organic beings of both kingdoms, as well as between the remedies by which they may be opposed.—Nicholson's Journal.