Xvi REPORT — 1900. 



Page 



2. On tLe Order of tlie Formation of the Silicates in Igneous Eocks. By 

 Professor J. Jolt, M.A., D.Sc, F.E.S 7b0 



3. On the Geolop^ical Age of the Earth as indicated by the Sodium-contents 



of the Sea. By Professor J. Jolt, D.Sc, F.R.S. (p. 369) 731 



4. Some Experiments on Denudation in Fresh and Salt Water. Bv Professor 



J. Jolt, D.Sc, F.R.S ". 731 



5. The Inner Mechanism of Sedimentation. By Professor J. Jolt, D.Sc, 

 F.R.S 732 



6. On Tidal Sand Ripples above Low-water Mark. By Vaughan C/OENiaH, 



M.Sc, F.C.S., F.R.G.S 733 



FRIDAY, SEPTEMBER 7. 



1. *Remarlvs on a Table of Strata. By Dr. II. Woodwaed, F.R.S 734 



2. Report on Seismological Observations (p. .59) 734 



3. Geological Notes on the Up way Disturbance. By Clejient Eeid, F.R.S. 

 Appendix to Seismological Report (p. 108) 734 



4. Tiie Caves and Pot-holes of Ingleborough and the District. By S. W. 

 CUTTEISS .. 734 



5. The Undergi'ound Waters of North-West Yorkshire. Part I. — The Sources 



of the Aire. By the Rev. W. Lowee Caeter, M.A., F.G.S 735 



6. Report on the Movement of Underground Waters of Craven. The Ingle- 



borough District (p 346) 737 



7. On Ancient Plateaux in Anglesey and Carnarvonshire. Bv E. (iREENlt, 

 F.G.S : 737 



8. On the Form of some Rock-bosses in Anglesey. By E. Geeenlt, F.G.S. 737 



9. The Concretionary Types in the Cellular Magnesian Limestone of Durham. 



By G. Abbott, M.R.C.S 737 



10. The Pebbles of the Hollybush Conglomerate, and their bearing on Lower 



and Cambrian Palseogeography. By Theodore Geoom, M.A., D.Sc 738 



11. On the Igneous Rocks associated with the Cambrian Beds of Malvern. By 

 Theodoee Gsoom, M.A.,D.Sc 739 



SATURDAY, SEPTEMBER 8. 



1. On a Possible Coalfield in the London Basin. By Professor W. J, Sollas, 



D.Sc, LL.D., F.R.S 739 



2. On the Formation of Reef Knolls. By R. H. Tiddeman, M.A., F.G.S.... "JO 



3. On the Construction and Uses of Strike Maps. By J. Lomas, A.R.C.S., 

 F.G.S 7J2 



4. On Rapid C^hanges in the Thickness and Character of the Coal Pleasures 



of North Staflbrdshire. By AV. Gibson, F.G.S 743 



5. Report on the Registration of Type Specimens (p. 342) 744 



6. Suggestions in Regard to the Registration of Tvpe-fossils. By Rev. J. F. 

 Blake , '. 744 



7. The Outcrop of the Corallian Limestones of Elsworth and St. Ives. By C. 



B. Wedd, B.A., F.G.S .... 74.5 



8. Report on the Exploration of Caves at Uphill, near Weston-super-Mare 



(P-342) : ^. 745 



9. Report on the Exploration of Irish Caves (p. 340) 746 



