xvni 



EEPORT — 1898. 



Pape 



10. On Nitroso-pinene. By J. A. Sxiythe 849 



11. The Constitution of Oxycannabin. By T. B. Wood, M.A., W. T. N. 



Spivey, M.A., and T. H. Easterfield, M.A., Ph.D 849 



12 The Action of Certain Substances on tlie Undeveloped Photographic 



Image. By C. H. Bothamlet, F.I.C, F.C.S 850 



13. Report on a New Series of Wave-lenf^th Tables of the Spectra of the 



Elements ^^1 



14. Report on Isomeric Naphthalene Derivates 851 



Section C— GEOLOGY. 

 THURSDAY, SEPTEMBER 8. 



Address by W. II. IIxjdleston, M.A., F.R.S., President of the Section 852 



1 Notes on the Geology of the Bristol District. By Professor C. Lloyd 

 Morgan, F.G.S 862 



2. The Building of Clifton Rocks. By E. B. Wethered, F.G.S 862 



3. On the Revision of South Wales and Monmouthshire by the Geological 



Survey. By A. Strahan 863 



4. On the Exploration of two Caves at Uphill, Weston-super-Mare, contain- 

 in"- remains of Pleistocene Mammalia. By the late Edward Wilson, 

 F.G.S 867 



5. The Comparative Actions of Subaerial and Submarine Agents in Rock 

 Decomposition. By Thomas II. Holland, A.R.C.S., F.G.S 868 



G On Arborescent Carboniferous Limestone from near Bristol. Bv Horace 

 B. Woodward, F.R.S '. 869 



7. Report on Photographs of Geological Interest in Britain 869 



8. Report on Photographs of Geological Interest in Canada 869 



FRIDAY, SEPTEMBER 0. 



1. The Comparative Value of Different Kinds of Fossils in Determining 

 Geological Age. By Professor O. C. Marsh 869 



•''. On Aggregate Deposits and their Relations to Zones. By Rev. J. F. 

 Blake, M.A., F.G.S 872 



3. The Geological Structure of the Malvern and Abberley Ranges. By 



Theodore Groom, M.A., D.Sc 872 



4. The Age of the Malvern and Abberley Ranges. By Theodore Groom, 



M.A. D.Sc 873 



5. On the probable Source of the Upper Felsltic Lava of Snowdon. Bv J. 



R. Dakyns, M.A "..... 874 



6. On the Occurrence of Arenig Shales beneath the Carboniferous Rocks at 



the Menai Bridge. By Edward Greenly 874 



7. On an T'plift of Boulders at Llandegfan, Menai Straits. By Edward 

 Gkeexly 874 



8. On the Comparative Dimensions of some Atoms. By W. L. Addison ... 874 



9. Leadhillite in Ancient Lead Slags from the IMendip Hills. By L. J. 



Spencer, M.A., F.G.S 875 



10. Supplementary List of British Minerals. By L. J. SrENCER, M.A., F.G.S. 875 



