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4. On the Addition Theorem. By Professor MITTAG-LEFFLER
Page
.... 561
5. Note on a General Theorem in Dynamics. By Sir ROBERT BALL, F.R.S. 561
6. The Asymmetric Probability Curve. By Professor F. Y. EDGEWORTH, M A. 562
7. On the Order of the Groups related to the Anallagmatic Diplacements of
the Regular Bodies in n-Dimensional Space. By Professor P. H. SCHOUTE 562
8. On Mersenne's Numbers. By Lieut.-Colonel ALLAN CUNNINGHAM, R.E. 563
9. End Games at Chess. By Lieut.-Colonel ALLAN CUNNINGHAM, R.E. 564
DEPARTMENT II.
10. Experiments showing the Boiling of Water in an Open Tube. By Pro-
fessor OSBORNE REYNOLDS, F.R.S.
........
11. Report of the Committee on Earth Tremors
13. Report of the Committee on Solar Radiation
12. Report of the Committee on Meteorological Photography
14. Report of the Committee on Underground Temperature
15. Report of the Ben Nevis Committee
564
565
... 565
16. On Recent Researches in the Infra-red Spectrum. By Dr. S. P. LANGLEY 565
17. A New Determination of the Ratio of the Specific Heats of certain Gases.
By O. LUMMER and E. PRINGSHEIM
DEPARTMENT III.
18. A Method for accurately Determining the Freezing-point of Aqueous
Solutions which Freeze at Temperatures just below 0° C. By the late
P. B. LEWIS. Communicated by Dr. MEJER WILDERMANN
19. The Influence of Temperature upon the Specific Heat of Aniline. By
E. H. GRIFFITHS, M.A...
567
568
20. On some Photometric Measures of the Corona of April 1893. By Pro-
fessor H. H. TURNER, M.A.
21. On Photographs of Spiral and Elliptic Nebula. By ISAAC ROBERTS,
D.Sc., F.R.S.
569
22. On the Formation of Soap Bubbles by the Contact of Alkaline Oleates
with Water. By Professor G. QUINCKE....
23. On the Effect of Gases on the Surface Tension and Electrical Conductivity
of Soap-films. By H. STANSFIELD
24. On the Velocity of the Hydrogen Ion through Solutions of Acetates. By
W. C. DAMPIER WHETHAM, M.A.
MONDAY, AUGUST 13.
1. On the Results of a New Analytical Representation of the Distribution of
Magnetic Force on the Surface of the Earth. By AD. SCHMIDT
2. A Suggested Explanation of the Secular Variation of Terrestrial Mag-
netism. By ARTHUR SCHUSTER, F.R.S..........
570
571
3. On the Construction of Delicate Galvanometers. By ARTHUR SCHUSTER,
F.R.S.
572
4. †On the Minimum Current audible in the Telephone. By Lord RAYLEIGH,
Sec. R.S.
5. An Attempt at a Quantitative Theory of the Telephone. By Lord
RAYLEIGH, Sec. R.S.
6. On the Amplitude of Sonorous Waves which are but just audible. By
Lord RAYLEIGH, Sec. R.S........................
7. On the Production of Beat-tones from two Vibrating Bodies whose
Frequencies are so high as to be separately inaudible. By ALFRED M.
MAYER...
8. On the Variation of the Modulus of Elasticity with Change of Tempera-
ture as determined by the Transverse Vibration of Bars at Various
Temperatures. By ALFRED M. MAYER
573
9. On an Apparatus for Measuring small Strains. By Professor J. A.
EWING, F.R.S.
574
10. On Mirrors of Magnetism. By Professor SILVANUS P. THOMPSON, D.Sc.,
11. The Volume Changes which accompany Magnetisation in Nickel Tubes.
By Professor C. G. KNOTT, D.Sc.
576
12. On Hysteresis in Iron and Steel in a Rotating Magnetic Field. By
FRANCIS G. BAILY, M.A.
13. On the Vibrations of a Loaded Spiral Spring. By L. R. WILBER-
FORCE, M.A.....
577
TUESDAY, AUGUST 14.
DEPARTMENT I.
.....
1. On Fuchsian Functions. By Professor MITTAG-LEFFLER
2. On Ronayne's Cubes. By Professor H. HENNESSY, F.R.S.
3. On a Property of the Catenary. By Professor H. HENNESSY, F.R.S..
4. A Complete Solution of the Problem, 'To find a Conic with respect to
which two given Conics shall be Reciprocal Polars.' By J. W. Rus-
SELL, M.A.
578
5. The Impossibility of Trigraphic Fields of Spaces. By J. W. RUSSELL, M.A. 578
6. On Maxwell's Method of deriving the Equations of Hydrodynamics from
the Kinetic Theory of Gases. By Professor LUDWIG BOLTZMANN
.... 579
579
7. On the Invariant Ground-forms of the Binary Quantic of Unlimited
Order. By Major P. A. MACMAHON, R.A., F.R.S.
8. Principes fondamentaux de la Géométrie non-euclidienne de Riemann.
Par P. MANSION, professeur à l'Université de Gand ......
9. Formulæ for Linear Substitution. By Professor E. B. ELLIOTT,
M.A., F.R.S.
581
DEPARTMENTS II., III.
Joint meeting with Section I to discuss the two following Papers :-
10. On Experiments illustrating Clerk Maxwell's Theory of Light. By Pro-
fessor OLIVER LODGE, F.R.S.
582
11. On an Electrical Theory of Vision. By Professor OLIVER LODGE, F.R.S. 582
12. On the Velocity of the Cathode Rays. By Professor J. J. THOMSON,
13. On a Ten-candle Lamp for use in Photometry. By A. VERNON HAR-
COURT, M.A., F.R.S.
14. On the Cause of the Spurious Double Lines sometimes seen with Spectro-
scopes, and of the Slender Appendages which accompany them. By
G. JOHNSTONE STONEY, M.A., D.Sc., F.R.S.
15. On the Luminosity observed when a Vacuum Bulb is broken. By JOHN
BURKE ......
16. On the Correction of Optical Instruments for Individual Eyes. By TEMPEST
ANDERSON, M.D., B.Sc....
17. How the Misuse of the Word 'Force,' in Attractions, Electricity, and
Magnetism, may be avoided without much departure from existing practice.
By Dr. G. JOHNSTONE STONEY, F.R.S......
18. On a Nomenclature for very much Facilitating the Use of Systematic
Measures. By G. JOHNSTONE STONEY, M.A., D.Sc., F.R.S.
1. Report of the Electrical Standards Committee........
583
585
586
... 587
592
2. Determination of the International Ohm in Absolute Measure. By Pro-
fessor VIRIAMU JONES, F.R.S.
3. Comparison with the B.A. Units of some Coils of Low Resistance. By
R. T. GLAZEBROOK, F.R.S........
4. Comparison of the Standards of the Board of Trade with the B.A. Unit.
By J. RENNIE....
....
5. Comparison of some Standards belonging to the Indian Government. By
E. O. WALKER
6. On the Specific Resistances of Copper and Silver. By Rev. T. C. FITZ-
PATRICK
7. *On Standards of Low Electrical Resistance. By Professor VIRIAMU
JONES, F.R.S.
8. On the Specific Conductivity of Copper. By J. TEICHMÜLLER
WEDNESDAY, AUGUST 15.
1. On the Displacements of the Rotational Axis of the Earth. By Professor
W. FÖRSTER
593
..........
2. A Lecture-room Experiment to illustrate Babinet's Principle. By Pro-
fessor A. CORNU, F.R.S....
3. A New Explanation of the Wave-movements of a Stretched String. By
WM. BARLOW...
4. On Lunar Curves of Mean Temperature at Greenwich and the Heat of
the Moon. By J. PARK HARRISON
SECTION B.-CHEMICAL SCIENCE.
THURSDAY, AUGUST 9.
Address by Professor HAROLD B. DIXON, M.A., F.R.S., President of the
Section.....
594
1. Report of the Committee on an International Standard for the Analysis of
Iron and Steel...
605
2. Report of the Committee on Electrolytic Methods of Quantitative Analysis 605
3. On the Proportions of Carbonic Acid in Air which are Extinctive to
Flame, and which are Irrespirable. By Professor FRANK CLOWES, D.Sc. 605
4. On Some Experiments with Free Hydroxylamine. By Dr. C A. LOBRY
DE BRUYN, Amsterdam ...
5. The Chemical Action of a New Bacterium in Milk. By ALEXANDER
BERNSTEIN
......
606
608
FRIDAY, AUGUST 10.
Discussion on the behaviour of gases with regard to their electrification and
the influence of moisture on their combination :-
1. On the Connexion between Chemical Change and Electric Discharge
through Gases. By Professor J. J. THOMSON, M.A., F.R.S........ 609
2. On the Influence of Moisture on the Combination of Chemical Sub-
stances. By H. BRERETON BAKER
3. On the Rate of Oxidation of Phosphorus, Sulphur, and Aldehyde.
By THOMAS EWAN, B.Sc., Ph.D.
4. New Methods of Spectrum Analysis, and on Bessemer Flame Spectra. By
Professor W. N. HARTLEY, F.R.S.
609
610
5. On the Chemistry of Coal Formation. By J. W. THOMAS, F.I.C., F.C.S. 611
6. On the Iodine Value of Sunlight in the High Alps. By Dr. S. RIDEAL 612
7. *Interim Report of the Committee on the Formation of Haloids from
Pure Materials
8. Interim Report of the Committee on the Bibliography of Solution
614
......... 614
1. *A New Gaseous Constituent of Air. By Lord RAYLEIGH, Sec.R.S., and
Professor W. RAMSAY, F.R.S.
2. †On Schuller's Yellow Modification of Arsenic. By Professor H. MCLEOD,
615
3. On the Electrolysis of Glass. By Professor W. C. ROBERTS-AUSTEN,
...........
4. On the Relations between the Viscosity of Liquids and their Chemical
Nature. By Dr. T. E. THORPE, F.R.S., and J. W. RODGER
5. Some Experiments on the Rate of Progress of Chemical Change. By Dr.
J. H. GLADSTONE, F.R.S.
616
6. The Determining of the Freezing-point of Water, van't Hoff's Constant,
Arrhenius' Law of Dissociation, Ostwald's Law of Dilution. By Dr.
MEJER WILDERMANN
7. On the Effect of Dilution upon the Colours of Salt Solutions and the
Measurement of this Effect. By WYATT W. RANDALL, Ph.D. .................... 618
8. On the Distinction between Mixtures and Compounds. By P. J. HARTOG,
B.Sc.
618
9. The Atomic Weight of Carbon. By Professor J. A. WANKLYN
10. Popular Method for the Estimation of Carbon Dioxide in the Air. By
J. B. COHEN, Ph.D., and G. APPLEYARD................
619
11. *On the Diffusion of very Dilute Solutions of Chlorine and Iodine. By
A. P. LAURIE
620
1. *Investigations on Tautomerism. By Professor W. J. BRÜHL
2. On Ortho-dinitroso Derivatives of the Aromatic Series. By Professor
E. NOELTING
3. On the formation of Indazol Derivatives from Aromatic Diazo-compounds.
By Professor E. NOELTING
622
4. *On Some New Colouring Matters. By Dr. H. CARO
623
5. On the Tartrarsenites. By G. G. HENDERSON, D.Sc., M.A., and A. R.
EWING, Ph.D. ....
624
6. On the Constitution of the Acid Amides. By J. B. COHEN, Ph.D.......... 625
7. Report of the Committee on the Bibliography of Spectroscopy
628
1. Report of the Committee on the Action of Light on Dyed Colours .........
2. Report of the Committee on Isomeric Naphthalene Derivatives
3. *Discussion on Dr. J. B. COHEN's Paper on the Constitution of Acid
Amides
4. On Certain Phenomena occurring during the Evaporation of Salt Solutions.
By Dr. W. MEYERHOFFER
5. *On Some Derivatives of Camphene. By J. E. MARSH and J. A.
GARDNER
629
6. On Fluorene Diacetate. By Professor W. R. HODGKINSON and A. H.
COOTE
7. Interim Report of the Committee to inquire into the proximate Chemical
Constituents of the various kinds of Coal
630
8. *Interim Report of the Committee on the Properties of Solutions
9. Report of the Committee for Preparing a New Series of Wave-length
Tables of the Spectra of the Elements
SECTION C.-GEOLOGY.
Address by L. FLETCHER, M.A., F.R.S., F.G.S., President of the Section 631
1. Some Points of Special Interest in the Geology of the Neighbourhood of
Oxford. By Professor A. H. GREEN, M.A., F.R.S.
644
2. Report of the Committee for making New Sections in the Stonesfield
Slate
645
3. On the Terraced Hill Slopes of North Oxfordshire. By EDWIN A.
WALFORD, F.G.S.
4. The Probable Range of the Coal-Measures under the Newer Rocks of
Oxfordshire and the adjoining Counties. By Professor BOYD DAWKINS,
646
5. On the Deposit of Iron Ore in the Boring at Shakespeare Cliff, Dover.
By Professor BOYD DAWKINS, F.R.S.
648
6. On the Cause of Earthquakes. By Professor J. LOGAN LOBLEY, F.G.S.... 649
7. On Certain Volcanic Subsidences in the North of Iceland. By TEMPEST
ANDERSON, M.D., B.Sc., F.G.S.
650