Xli CONTENTS, 



TRANSACTIONS OF THE SECTIONS. 



Section A.— MATHEMATICAL AND PHYSICAL SCIENCE. 



THURSBAY, AUGUST i. 



Page 



Address by Professor Aethur ScHtrsTEK, Ph.D., F.E.S., F.E.A.S., President ■ 



of the Section 627 ] 



1. Report of the Committee on the Meteorological Observations on Ben Nevis 636 i 



2. Second Report of the Committee on Meteorological Photography 636 



3. Eighth Report ,of the Committee on Solar Radiation G36 



4. Report of the Committee on ]\leteoric Dust 636 j 



5. Twelfth Report of the Committee on the Seismological Phenomena of ; 

 Japan 636 : 



6. Nineteenth Report of the Committee on Underground Temperature 636 j 



7. Preliminary Account of Oceanic Circulation, based on the Challenger \ 



Observations. By Dr. A. Buchan 636 ; 



8. On the Advantage of making Astronomical Time agree with Civil Time. ' 



By Dr. Sandfoed Fleming, C.M.G 636 , 



9. York Weather from 1841 to 1890. By J. Edmund Claek 636 : 



FRIBA T, A UG UST 5. ; 



1. On Leaky Magnetic Circuits. By Dr. H. E. J. G. dtj Bois 636 ; 



2. On M. E. Branly's Experiments on Electrical Resistance. Bv Dawson i 



Turnee, M.D ; 637 1 



I 



3. On Electrical Discharges. By Professor Eilh. Wiedemann and Dr. H. 

 Ebert , 637 i 



4. On Primary and Secondary Batteries in which the Electrolyte is a Gas. I 

 By Arthur Schuster, F.R.S 638 j 



5. On the Stability of Periodic Motion. By Lord Kelvin, F.R.S 638 : 



6. The Efficiency of Transformers. By Professor W. E. AyRTON, F.R.S., and ! 



W. E. Sumpner 638 ■ 



7. Note on the Registration of Transformers. By Professor W. E. Atrton, I 



F.R.S., and E. W. Smith 638 ! 



8. Specific Conductivity of Thin Films. By Professor A. W. Reinold, ] 



F.R.S., and Professor A. W.RtJcxER, F.KS 639 : 



9. Some Experiments with a RuhmkortF Coil. By Magnus Maclean, M.A., 

 F.R.S.E., and Alex. Galt, B.Sc, F.R.S.E 639 , 



10. A Contribution to the Theory of the perfect Influence Machine. By J. i 



Gray, B.Sc 640 ! 



SATURBA Y, A UG UST 6. ' 



Department I. — Phtsics. \ 



1 . Sources of Heat generated in the Galvanic Battery. By Magnus Maclean, ' 



M.A., r.R.S.E 640 . 



