THAXSACTIONS OF THE SECTIONS. XV 



rage 



4. On the possible Existence of Steam in the Regions of Sun-fej)ots. By 



Rev. A. L. CoRTiE, S.J., F.R.A.S 639 



5. Sun-spots and Solar Temperature. By Professor E. T. Whittaker, 



Sc.D., F.R.S 640 



6. Recent Researches on the cause of Seiches. By E. M. Wedderburn, 



F.R.S.E 640 



7. Difference of Temperature in the Upper Atmosphere between Equatorial 



and Polar Regions. By L. Teisserenc de Bort 641 



8. Note on the Manchester ' Ballons-Sondes ' Ascents. By W. A. Har- 



wooD 642 



9. The Results of the ' Ballons-Sondes ' Ascents in the British Isles 



during the International Week, July 27-August 1, 1908. By J. S. 

 Dines 642 



10. *Observations of Currents in the Upper Air of Egypt and the Sudan. 



By Captain H. G. Lyons, F.R.S 644 



11. An Apparatus for illustrating, by Intermittent Vision, the Surface 



Movement of Air in Travelling Storms. By R. G. K. Lempfert, 

 M.A 644 



12. *0n the Asymmetrical Character of Whirlwinds. By Paul Dueandin . . 644 



WEDNESDAY, SEPTEMBER 9. 



1. Changes of Atmospheric Density in Storms. By J. I. Craig, M.A 644 



2. The Meteorology of the Winter Quarters of the ' Discovery,' 1902-1904. 



By Dr. W. N. Sil4w, F.R.S 645 



3. Results of some Physical Observations taken on the National Antarctic 



Expedition, 1902-1904. By L. C. BernaccHI 645 



4. On the possible Connection between Earthquakes and Great Waves 



in Distant Places. By Rev. H. V. Gill, S.J 647 



6. Some Particulars of the British Association Storm of 1908. By Dr. 



W. N. Shaw, F.R.S 647 



6. *The Great Snowstorm of April 25, 1908. By Miss C. 0. Stevens 647 



7. On the Velocity of the Reducing Action of Electrolytic Hydrogen 



on Ai'senious and Arsenic Acids when hberated from the surface of 

 different elements. By W. Thomson 647 



Section B. — CHEMISTRY. 



THURSDAY, SEPTEMBER 3. 



Address by Professor F. S. Kipping, D.Sc, Ph.D., F.R.S., President of 



the Section 649 



1. *Synthetical Experiments in the Terpene Series. By Professor W. H. 



Perkln, F.R.S 661 



2. The Preparation of Camphor from Turpentine Oil. By Dr. C. Weizmann 661 



3. *BraziHn and Hasmatoxjdin. By R. Robinson 661 



4. *The Dynamic Isomerism of Oxymethylene Camphor Derivatives. 



By Professor W. J. Pope, F.R.S., and John Read 66 I 



5. Benzyl Sulphoxide : a possible Example of Tautomerlsm. By J. A. 



Smythb, Ph;D., D.Sc , 661 



