XIV CONTENTS. 



Page 



3. On the Extension of the Bath Oolite under London, as shown by a Deep 



Boring at Streatham. By W. Whitaker, B.A., F.R.S 656 



4. On the Lower Carboniferous Rocks of Gloucestershire. By E. Wetheeed, 



F.G.S., F.O.S., F.R.M.S ". 657 



5. On the Tytherington and Thornbury Section. By the Rev. H. H. Win- 

 wooD, F.G.S ". 658 



6. The Northern Section of the Bristol Coal-field. By Handel Cossham, 

 M.P., F.G.S 659 



7. Some Points of Interest in the Geology of Somerset. By W. A. E. 

 Usshee, F.G.S 659 



SATURDAY, SEPTEMBER S. 



1. Comparison of the principal Forms of Dinosauria of Europe and America. 



By Professor 0. C. Maesh 660 



2. The Evolution of the Mammalian Molar Teeth to and from the Trituber- 

 cular Type. By Henex Faiefield Osboen 660 



3. On the Gigantic Size of some extinct Tertiary Mammalia. By Professor 



A. Gatjdey 660 



4. Note on the Relation of the Percentage of Carbonic Acid in the Atmo- 



sphere to the Life and Growth of Plants. By the Rev. A. Ieving, D.Sc, 

 B.A., F.G.S 661 



6. On the Occurrence of a Boulder of Granitoid Gneiss or Gneissoid Granite 

 in the Halifax Hard-bed Coal. P>y .James Spejtcek. With a Note by 

 Professor T. G. Bonnet 661 



6. The Caverns of Luray. By the Chevalier R. E. Reynolds 662 



7. Report on the Rate of Erosion of the Sea-coasts of England and Wales ... 663 



MONDAY, SEPTEMBER 10. 



1. The Volcanoes of the Two Sicilies. By Tempest Andeeson, M.D., B.Sc. 663 



2. Notes on the late Eruption in the island of Vulcano. By Tempest 

 Andeeson, ]M.D., B.Sc, and H. J. Johnston-Lavis, M.D., F.G.S 664 



3. Report on the Volcanic Phenomena of Vesuvius and its neighbourhood ... 666 



4. On the Conservation of Heat in Volcanic Chimneys. By H. J. Johnston- 

 Lavis, M.B., F.G.S 666 



6. Note on a Mass containing Metallic Iron found on Vesuvius. By H. J. 

 Johnston-Lavis, M.D., F.G.S 667 



6. Note on the Occurrence of Leucite at Etna. Bv H. J. Johnston-Lavis 



M.D., F.G.S :. 669 



7. Note on some recent Investigations into the Condition of the Interior of 

 the Earth. By Professor E. W. Clatpole, B.A., D.Sc, F.G.S 669 



8. On the Causes of Volcanic Action. By J. Logan Loblet, F.G.S 670 



9. Eighth Report on the Earthquake and Volcanic Phenomena of Japan 671 



10. On the recent Volcanic Structure of the Azorean Archipelago. By 



OSBEEX H. HOWAETH ° Q'^\ 



11. Report of the Earth Tremor Committee 671 



