874. The natural succession of forest trees on the same soil has attracted the attention of various persons from the time of Evelyn to the present day. Dr. Dwight, in his Travels in New England, has given some remarkable instances, which he found it difficult and, indeed, almost impossible to account for. Other writers, who have touched on the same subject, will be found enumerated in a valuable paper on the natural succession of forest trees, in the Gardener's Magazine, vol. v. p. 421.; and in the same work, vol. viii. p. 287., the problem is very satisfactorily solved by Lewis Le Conte, Esq. of Riceborough. This gentleman has, for above thirty years, given his attention to the natural succession of the different species of timber in America; and the following are the results of his observations : -