Papers read in Section C. — Geology. 479 



J. J. H. Teall. — On the Metamorphosis of the Lizard Gabbros. 

 Prof. J. F. Blake. — Introduction to the Monian System of Eocks. 

 Prof. J. F. Blake. — On the Igneous Rocks of Llyn Padarn, Yr Eifl 



and Boduan. 

 J. H. Player. — On an accurate and rapid method of estimating the 



Silica in Igneous Eocks. 

 J. Hopkinson. — On a new form of Clinometer. 

 H. B. Stocks. — On Concretions. 

 W. Pengelly. — On a Scrobicularia Bed, containing Human Bones, at 



Newton Abbot, Devonshire. 

 W. W. Watts. — The Corndon Laccolites. 

 Prof. T. Rupert Jones. — Eeport on the Fossil Phyllopoda of the 



Palaeozoic Eocks. 

 E. T. Hardman. — On the Discovery of Diprotodon Australis in 



Tropical Western Australia (Kimberley District). 

 Prof. J. W. Sollas. — On the past and present Bathymetrical Distribu- 

 tion of the Lithistida. 

 C. E. De Ranee. — Eeport on the Circulation of Underground Waters. 

 Prof. G. A. Lebour. — On the Stratigraphical Position of the Salt 



Measures of South Durham. 

 G. H. Morton. — On the Carboniferous Limestones of the North of 



Flintshire. 

 Hugh Miller. — On the Classification of the Carboniferous Limestone 



series — Northumbrian type. 

 W. A. E. Ussher. — The Culm Measures of Devonshire. 

 A. R. Sunt. — Denudation and Deposition by the Agency of Waves 



experimentally considered. 

 C. E. De Ranee and W. Topley. — Report on the Erosion of the Sea- 

 Coasts of England and Wales. 

 Prof. W. I. Macadam and J. S. Grant- Wilson. — On Deposits of 



Diatomite in Skye. 

 Br. S. Sicks. — Eeports on the Exploration of the Tremeirchion 



Caves, North Wales. 

 Prof. T. McE. Sughes. — On the Pleistocene Deposits of the Vale of 



Clwyd. 

 Prof. S. Carvill Lewis. — Comparative Studies upon the Glaciation 



of North America, Great Britain, and Ireland. 

 Senry Johnson. — On the Extension and Probable Duration of the 



South Staffordshire Coal Field. 

 Sir J. W. Dawson. — On the Eelations of the Geology of the Arctic 



and Atlantic Basins. 

 Dr. G. M. Dawson. — On the Eocky Mountains, with special reference 

 to that part of the Eange between the 49th Parallel and the 

 Head-waters of the Eed Deer Eiver. 

 F. D. Adams. — On the Coal-bearing Eocks of Canada. 

 Prof. T. Rupert Jones. — On the Coal Deposits of South Africa. 

 Prof. W. Boyd Daivkins. — On the Kerosine Shale of Mount Victoria, 



New South Wales. 

 Sir J. Von Saast. — On the Character and Age of the New Zealand 

 Coal Fields. 



