XU CONTENTS. 



Pitge 

 6. *Spectroscopic Observations of Solar Eclipses. By Professor F. W. 

 D)csoN,M.A.,F.RS 491 



6. Discussion on Radio-activity and the Internal Structure of the Earth. 

 Opening remarks by Plon. R. J. Steutt, F.Il.S 491 



TUESDAY, AUGUST 7. 

 Department of Pure Mathematics. 



1. Some Notes on Finite Groups. By Haeold Hilton 492 



2. -On Two New Symmetric Functions. By Major P. A. MacMahon, 



F.R.S : 498 



3. A Test for the Convergence of Multiple Series. By T. J. I'A. Beomwich, 



F.E.S 493 



4. Many- Valued Functions of Real Variables. By A. R. Richardson 494 



5. Note on the Semi-convergent Series for J„.r. By Professor Alfred 



Lodge, M.A 494 



Department of Astronomy and Cosmical Physics. 



1. Preliminary Note on the Rainfall Periodogram. By Professor A. 



Schuster, F.R.S., and H. H. Turner, F.R.S 498 



2. On the Connection between Disturbed Areas of the Solar Surface and the 



Solar Corona. By the Rev. A. L. Ooetie, S.J., F.R.A.S 499 



3. Telescopic Observations of Meteorological Phenomena. By Miss C. 0. 



Stevens 499 



4. On the Radiation of Heat from the Moon. By the Earl of Rosse, K.P., 



F.R.S 600 



6. York Rainfall Records and their Possible Indication of Relation to Solar 



Cycles. By J. Edmund Clark 500 



6. Some Barometric and Rainfall Changes of an Oscillatory Nature. By 



William J. S. Lockybe, M.A., Ph.D., F.R.A.S 501 



7. Report on the Magnetic Observations at Falmouth Observatory (p. 90) ... 501 



8. Preliminary Report on the Magnetic Survey of South Africa (p. 131) ... 502 



9. Report on Meteorological Observations on Ben Nevis (p. 91) 502 



Department op General Physics. 



1. A Glass of Low Resistivity. By Charles E. S. Phillips 502 



2. Radiation from Gas Mantles. By J. Swinburne 503 



3. The Rate of Decay of the Phosphorescence of Balmain's Paint. By the 



Rev. B. J. Whiteside, S.J 504 



4. Chemical and Electrical Changes induced by Ultra-violet Light. By Sir 



William Ramsay, K.C.B., and J. F. Spencer, M.Sc, Ph.D 504 



5. Researches on nearly Pure Ozone Gas. By Erich Ladenbueg, Ph.D. ... 605 



6. Photographs of Thin Liquid Film,?. By Herbert Stansfield 505 



7. Photographic Records of a String's Vibrations and Responsive Motions 



in the Air. By Professor E. H. Barton, D.Sc, F.R.S.E., and J. Pknzer 506 



8. Haidinger's Tufts. By Professor W. F. Barrett, F.R.S 50G 



9. Report of the Committee on Electrical Standards (p. 104) 509 



10. Joint Discussion with Section E on the Proposed Remeasurement of the 



British Geodetic Arcs (p. 626) rg 



