Titles of Papers read at Leicester. 419 
Dy, Cullis.—On a peculiarity in the Mineralogical Constitution of the 
Keuper Marl. 
Discussion on ‘‘ Tron Ore Supplies,” to be opened by Bennett Brough 
and Professor Sjogren. 
Professor J. Joly.—The Distribution of Radium in the Rocks of the 
Simplon Tunnel. 
W. G. Fearnsides.—On Pisolitic Iron-ores from North Wales. (p. 422.) 
F, Raw.—The Trilobite Fauna of the Shineton Shales. 
F. Raw.—Development of Olenus Salterc. 
Dr. A. Vaughan.—Report on Carboniferous Faunas. 
W. G. Fearnsides.—Report on Place-Names. 
Professor S. H. Reynolds—Report on Pre-Devonian Rocks of the 
Merndips. 
Professor J. Milne, F_R.S.—Destructive Earthquakes. 
Professor Frech.—Mountain Building and Seismology. 
J. W. Stather.—Report on Kirmington Deposits. 
J. W. Stather & T. Sheppard.—Gravels of Holderness. 
J. Lomas.—On a Marine Peat at Liverpool. 
A. R. Horwood.— A Section of Middle Lias at Bellesdon. 
Rev. S. S. Dornan.—Ancient Voleanoes of Basutoland. 
£.. Greenly.—Report on Anglesey Rocks. 
Dr. Wheelton Hind.—Report on Carboniferous Zones. 
Report on Erratic Blocks. 
Titles of Papers read in other Sections bearing upon Geology :— 
Section A.—GerEnERAL PuHysics. 
A. O. Rankine.—On a theoretical Method of attempting to detect 
relative Motion between the Ether and the Earth. 
Report of the Committee on Seismological Observations. 
Professor EH. Rutherford, F.R.S.—On the Production and Origin of 
Radium. 
Professor EH. Rutherford, F.R.S., §& Dr. J. H. Petavel, F.R.S.—The 
Effect of High Temperature on the Activity of the Products of 
Radium. 
T. J. J. See.—Results of Recent Researches on the Physics of the 
Earth. 
Section B.—Cuemisrry,. 
Professor Phillips Bedson.—Explosions in Coal-mines: Experiments 
illustrative of the Inflammability of Mixtures of Coal Dust and Air. 
Srcrion D.—Zootoey. 
Report of the Committee on the Indew Animalium. 
Secrion E.—Grocrapnry. 
Professor J. W. Spencer.—The Recession of Niagara. 
4. T. Ferrar.—Physical Geography of the Etbai Desert of Egypt. 
Dr. Vaughan Cornish.—The Jamaica Earthquake. 
