524 Papers read in Section C, British Association, 1870. 



C. Lapioorth — On the Discovery of Upper Silurian Eooks in Eox- 



burgli and Dumfriesshire. 

 /. W. Judd — On the Age of the Wealden. 

 Bev. W. S. Symonds — On the Physical Geology of the Bone Caves of 



the Wye. 

 Dr. Moffat — On Geological Systems and Endemic Diseases. 

 Eeport of Committee on Sedimentary Deposits of Eiver Onny. 

 J. Gwyn Jeffreys — Eemarks on Newer Tertiary Fossils in Sicily and 



Calabria. 

 Frof. Ansted and Prof. King — Notes of a Eecent Visit to the Great 



Tunnel through the Alps, and of Several Points of Geological 



Interest, suggested by the condition of the works in the present 



nearly complete state. 

 Prof. King — On some Points in the Geology of Strath, Isle of Skye. 

 W. Pengelly — The Modern and Ancient Beaches of Portland. 

 J. E. Taylor — On the Occurrence of Seams of Hard Sandstone in 



Middle Drift of East Anglia. 

 F. W. Harmer and Searles Wood — On the Palaeontological Aspects of 



the Middle Glacial Formation of the East of England, and on 



their bearing upon the Age of the Middle Sands of Lancashire. 

 Bev. H. W. Crosslcey— On Certain Glacial Phenomena in the Central 



District of England. 



F. W. Harmer and Searles Wood — On some Thermal Springs in the 



Fens of Cambridgeshire. 

 Br. Bryce— On the Matrix of the Gold in the Scottish Gold-fields. 

 W. S. Mitchell — Some Eemarks on the Denudation of the Oolites of 



the Bath District. 

 W. Carrutliers — Note on an Antholites Discovered by C. W. Peach. 

 W. Carrutliers — On the Sporangia of Ferns from the Coal Measures. 



G. H. Morton — On the Mountain Limestone of Flintshire and part of 



Denbighshire. (See page 526.) 

 L. C. Miall— On the Formation of Swallow-Holes, or Pits with 

 Vertical Sides, in Mountain Limestone, (See page 513.) 



A. B. Wallace — On a Diagram of the Earth's Eccentricity and the 



Precession of the Equinoxes, illustrating their relation to Geo- 

 logical climates and the rate of organic change. 

 J. L. Lobley — The Stratigraphical distribution of the British fossil 

 Gasteropoda. 



B. Tate — A Census of the Marine Invertebrate Fauna of the Lias. 

 Bev. J. Gunn — On the formation of Boulder Clays and alternations 



of level of land and water. 



G. Jechs — On the Eed and Coralline Crags. 



G. J. Stoney — On some cases of the recent conversion of Glacial Drift 

 into what appears to be Middle Drift. 



M. F. Hall — On the Glacial and Post-Glacial beds in the neighbour- 

 hood of Llandudno. (See page 509). 



J. Thomson — On the Occurrence of Pebbles and Boulders of Granite 

 in Schistose Eocks in Islay, Scotland. 



Professor Tennant — Diamonds of South Africa, 



B. A. Peacoclc — Changes of Climate. 



