Tate, on the Fossil Flora of the Mountain Limestone Formation of the Eastern Borders, in connection with the Natural History of Coal (in Johnstone's Eastern Borders).
Torbane Coal, as noticed in the Report of the Trial as to the substance called Torbane Mineral or Torbanite.
Unger, Genera et Species Plantarum Fossilium.
——— Chloris Protogæa.
——— Le Monde Primitive (a work which contains picturesque views of the supposed state of the earth at different geological epochs).
——— on the Flora of the Eocene Epoch, Journ. Bot., iii. 39.
Weber and Wersel, Die Tertiarflore der Nieder Sheinescher Braunkohlen Formation.
Williamson, W. C., on the Organisation of the Fossil Plants of the Coal Measures, Ann. Nat. Hist., 1871, p. 134.
——— on the Structure and Affinities of the Plants hitherto known as Sternbergiæ, Mem. Manch. Lit. and Phil. Soc., ix.
——— on a New Form of Calamitean Strobilus, from the Lancashire Coal Measures, Mem. Lit. Phil. Soc. Manchester, vol. iv. 3d series.