LONDON. Royal Society, February 28.—“On the Structure and Affinities of Fossil Plants from the Palæozoic Rocks. IV. The Seed-like Fructification of Lepidocarpon, a Genus of Lycopodiaceous Cones from the Carboniferous Formation.” By D. H. Scott, M.A., Ph.D., F.R.S., Hon. Keeper of the Jodrell Laboratory, Royal Gardens, Kew.