XViii CONTENTS. 



Page 



12. The Derivation of Sand and CJay from Granite. By Professor \V. 



Boyd Daavkins, D.Sc, F.R.S 705 



13. *Iuterim Report on the Microscopical and Chemical Composition of ^ 



Charnwood Rocks 705 



2I0NDAY, SEPTEMBER 7. 



1. Glacial Erosion in North Wales. By Professor W. M. Davis 705 



2. The Duration and Direction of Large Earthquakes. By Dr. John 



MiL>E, F.R.S 706 



3. Report on the Excavation of Critical Sections in the Palaeozoic Rocks 



of Wales and the West of England (p. 231) 706 



4. The Soufritre of St. Vincent : the Changes subsequent to the Eruption 



of 1902. By Dr. Tempest Anderson, F.G.S 706 



5. Recent Earth Movements ^rithin the Basin of the Laurentian Lakes. 



By Professor W. H. Hobbs 707 



6. Report of the Geological Photographs Committee (p. 245) 707 



7. Report on the Erratic Blocks of the British Isles (p. 242) 707 



8. Note on Casts of Dinosaurian Footprints in the Lower Oolite at 



Whitby. By H.\eold Beodrick, M.A 707 



9. Sixth Report on the Fauna and Flora of the Trias of the British Isles 



(p. 269) 708 



10. Report on the Faunal Succession in the Carboniferous Limestone 



(Avonian) of the British Isles (p. 267) 708 



11. Dopplerite from Sluggan Bog, co. Antrim. By R. Welcu 708 



TUESDAY, SEPTEMBER 8. 



Discussion on Mountain Building 708 



1. Third Report on the Crystalline Rocks of Anglesey (p. 283) 711 



2. On the Finding of Silurian Beds in Kent. By W. Wiiitaker, F.R.S. ..711 



3. On a Case of Thrust and Crush Brecciation in the Magnesian Limestone, 



CO. Durham. By David Woolacott, D.Sc, F.G.S 711 



4. Well-water Supply of the North-Eastern Sudan. By G. W. Geabham 712 



6. *Contemporancous Erosion in the Lower Series of Coal Measures of 



the Bristol Coal-field. By H. Bolton 713 



6. Report on the pre-Dovonian Beds of the Mendips and the Bristol 



Area (p. 286) 713 



7. On a Fossil Reptile with a Trunk from the Upper Karroo Rocks of 



Cape Colony. By Professor H. G. Seeley, F.R.S 713 



8. On Distinctions in Dentition between the Fossil Reptilia classed as 



Cjaiodontia and Gomphodontia. By Professor H. G. Seeley, F.R.S. 714 



9. Report on the FossiUferous Drift Deposits at Kirmington, Lincolnshire, 



&c. (p. 290) 714 



10. *Interim Report on the Correlation and Age of South African Strata, 



&c 714 



11. Report on Topographical and Geological Terms used locally in South 



Africa (p. 286) 714 



12. *Report on the Exact Significance of Local Terms 714 



