TABLE OF CONTENTS.
Page
I. On the Formation of the Rocks of South Wales and South Western England. By Sir Henry T. De la Beche, Director-General of the Geological Surveys of the United Kingdom1
II. On the Denudation of South Wales and the adjacent Counties of England, By Andrew C. Ramsay, F.G.S., Director of the Geological Survey of Great Britain297
III. On the Connexion between the Distribution of the existing Fauna and Flora of the British Isles, and the Geological Changes which have affected their area, especially during the epoch of the Northern Drift. By Edward Forbes, F.R.S., L.S., G.S., Professor of Botany at King's College, London, Palæontologist to the Geological Survey of the United Kingdom336
IV. Remarks on the Influence of Magnetism and Voltaic Electricity on Crystallization and other conditions of matter. By Robert Hunt, Keeper of Mining Records433
V. On the Gases evolved during the Formation of Coal. By Dr. Lyon Playfair, Chemist to the Geological Survey of Great Britain460
VI. Note on the Gogofau, or Ogofau, Mine, near Pumpsant, Caermarthenshire. By Warington W. Smyth, M. A., Cambridge, F.G.S., Mining Geologist to the Geological Survey of the United Kingdom480
VII. An Account of the Mining Academies of Saxony and Hungary. By Warington W. Smyth, M.A., Cambridge, Mining Geologist to the Geological Survey of the United Kingdom485
VIII. A Notice of the Mining Establishment of France495
IX. An Account of the Coal and Lignite raised, and of the Iron and Steel manufactured in France501
X. A Notice of the Copper and Tin raised in Cornwall. By Robert Hunt, Keeper of Mining Records510