xii REPORT — 1903. 



Page 



7. Consideration of some Points in the Design and Worliing of Ballistic 

 Galvanometers. By P. H. Powell, B.Sc 570 



8. On the Use of Capacities as Multipliers for Electrostatic Voltmeters in 

 Alternating Current Circuits. By Professor E. W. Makchant, D.Sc, 

 andG. W. WoEBALL, B.Sc 572 



SUB-SECXION OP ASTKONOMY AND MeTEOBOLOGY, 



1. Report of the Seismological Committee (p. 77) 573 



2. ^Exhibition of Photographs made with the Spectro-PIeliograph of the 

 Yerkes Observatory. By A. R. Hinks, M.A 573 



3. Piadiation through a Foggy Atmosphere. By Professor Aethue 

 ScHtrsTEE, F.E..S 573 



4. *Eclipse Observations of Jupiter's Satellites: a Study of the Ordinary 



Observations in Comparison with the Photometric Observations of 

 Harvard. By Professor R. A. Sampson 574 



5. Solar Prominences and Terrestrial Magnetism. By the Rev. A. L. 



CoETiE, S.J., F.R.A.S .' 574 



G. Comparison of the Spectrum of Nitrogen and of the Aurora. By Dr. A. 

 Paulsen 575 



7. ^Discussion on Kite Observations continued 578 



8. Diurnal Range of the Summer Temperature of the Levant. By 

 Alexandee BucHAN, LL.D., F.R.S., F.R.S.E 578 



9. Progress of the Magnetic Survey of the United States. By L. A. Batjee 570 

 10. tThe Earth's Total Magnetic Energy. By L. A. Bauee 580 



WEDNESDAY, SEPTEMBER 16. 



1. A Probable Relationship between the Solar Prominences and Corona. 



By William J. S. Lockyee, M.A., Ph.D., F.R.A.S 580 



2. Report on Meteorological Observations on Ben Nevis (p. 56) 581 



3. *Electrical Self-recording Instruments. By Professor H. L. Callendae, 



F.R.S 581 



4. Effect of Meteorological Conditions upon Audibility. By A. Laaveence 



RoTCH, B.S., M.A 681 



5. On some Rainfall Problems. By Hugh Robeet Mill, D.Sc, LL.D. ...581 



Section B. — CHEMISTRY. 



THURSDAY, SEPTEMBER 10. 



Address by Professor Waltee Noel Haetley, D.Sc, F.R.S., F.R.S.E., 



President of the Section 583 



1. Apparatus for determining Latent Heat of Evaporation. By Professor 



J. Campbell Beown, D.Sc 602 



2. *0n some Derivatives of Fluorene. By Miss Ida Smedley 603 



3. Action of Diastase on the Starch Granules of Raw and Malted Barley. 



By Aethue R. Ling, F.I.C 603 



4. Action of Malt Diastase on Potato-starch Paste. By Aethue R. Ling, 



F.LC 604 



