Back Matter Source: Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character, Vol. 99, No. 701 (Sep. 1, 1921), pp. viii-xviii Published by: The Royal Society Stable URL: http://www.jstor.org/stable/93916 . Accessed: 03/05/2014 10:53 Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at . http://www.jstor.org/page/info/about/policies/terms.jsp . JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact [email protected]. . The Royal Society is collaborating with JSTOR to digitize, preserve and extend access to Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character. http://www.jstor.org This content downloaded from 62.122.78.56 on Sat, 3 May 2014 10:53:33 AM All use subject to JSTOR Terms and Conditions
Transcript
Back MatterSource: Proceedings of the Royal Society of London. Series A, Containing Papers of aMathematical and Physical Character, Vol. 99, No. 701 (Sep. 1, 1921), pp. viii-xviiiPublished by: The Royal SocietyStable URL: http://www.jstor.org/stable/93916 .
Accessed: 03/05/2014 10:53
Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at .http://www.jstor.org/page/info/about/policies/terms.jsp
.JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range ofcontent in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new formsof scholarship. For more information about JSTOR, please contact [email protected].
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The Royal Society is collaborating with JSTOR to digitize, preserve and extend access to Proceedings of theRoyal Society of London. Series A, Containing Papers of a Mathematical and Physical Character.
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F'ebruary .3, 1921. Prof. C. S. SHERRINGTON, President, in the Chair.
The following Papers were read:- I. " The Field of an Electron on Einstein's Theory of Gravitation."
By G. B. JEFFERY, D.Sc. Communicated by Prof. L. G. N. FILON, F.R.S.
II. "A Physical Theory of Stellar Spectra." By M. N. SAIA, D.Sc. Communicated by Prof. A. Fow1lJER, F.R.S.
III. "The Ultra-microscopic Structure of Soaps." By W. F. DARKE, J. W. McBAIN, and C. S. SALMON. Communicated by W. B. HARDY, See. R.S.
IV. " Linear Transformations and Functions of Positive Type." By J. MERCER, D.SC. Communiicated by Prof. E. W. HOBSON, F.R.S.
February 10, 1921.
Prof. C. S. SHERRINGTON, President, in the Chair. The following Paper was read: I. "' On Certain Ethnological Features of Uganda." By Rev. JoI-N
ROSCOE (Mackie Anthropological Expedition).
Febrtary 17, 1921.
Prof. C. S. SHERRINGTON, President, in the Chair. The following Papers were read:- I. "A Comparison of Mlagnetic Declination Changes at British
Observatories." By Dr. C. CHREE, F.R.S.
II. "The Transmission of Electric Waves arournd the Earth's Surface." By Prof. H. M. MACDONALD, F.R.S.
III. "The Stability of Fluid Motion." By Prof. T. 11. IIAVELOCK, F.R.S.
IV. "On the Transformation of Integrals." By Prof. W. H. YOUNG, F.R.S.
V. "The Constitution of the Alloys of Aluminium, Copper aind Zinc, containing High Pereentages of Zinc." By J. L. HAIUGHTON and KATHLEEN E. BINGHAM. Communiicated by Dr. W. ROSENHAIN, F.R.S.
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In pursuance of the Statuites the names of the Candidates recom- mended for election into the Society wvere read from the Chair as follows
Agar, W. E. Ledingharn, J. C. G. Aston, F. W. Mliddlemiss, C. S. Bragg, W. L. Ortoni, K. J. P. Calman, W. T. Parsons, J. H. Church, A. H. Philip, J. C. Dreyer, G. Robb, A. A. Eccles, W. H. Tennyson-D'Eyncourt, Sir E.
Yule, G. U.
The following Papers were read:-
I. "A Remarkable Flint Implement from Selsey Bill." By Sir RAY LANKESTER, K.C.B., F.R.S.
II. "Regeneration and Reproduction of the Syllid Procerastea." By E. J. ALLEN, D.Sc., F.R.S.
III. "The Enzymes of B. coli communis. Part II.-(a) Aniaerobic Growth followed by Anaerobic and Aerobic Fermentation. (b) The Effects of Aeration during the Fermenitation." By E. C. GREY and E. G. YOUNG. Communicated by Prof. F. G. HOPKINS, F.R.S.
IV. "Anthocyatiins and Anthocyalnidins.-Part IV." By A. E. EVEREST, D.Sc., and A. J. HALLr. Communicated by Prof. F. KEEBLE, F.R.S.
ilfarcA 3, 1921.
Prof. C. S. SHERRINGTON, President, in the Chair.
MEETING FOR DiSCUSSION.
Subject: " Isotopes."
Discussion opened by Sir J. J. THOMSON, O.M., F.R.S.
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I. "On Electro-crystalline Properties as Conlditioned by Atomic Lattices." By Sir JOSEPH LARMOR, F.R.S.
II. "A Generalization of Weyl's Theory of the Electro-mnagnetic and Gravitational Fields." By Prof. A. S. EDDINGTON, F.R.S.
III. "Or Spectrophotometry in the Visible (and Ultra-violet Spec- trum." By Prof. T. R. MIERTON, F.R.S.
IV. "Researches upon Brown Coals and Lignites. Part I.-Heat Treatment at Temperatures below 400? C. as a Possible Method for Enhancing their Fuel Values." By Prof. W. A. BONE, F.R.S.
V. "A Superior Limit to the Age of the Earth's Crust." By Prof. H. N. RUSSEL,i,. Communicated by J. H. JEANS, Sec. R.S.
VI. "Reversal of Asyrumetry in the Plutei of Echli?ntlG m2iliaris." By 1S. OHISHIMA. Communicated by Prof. E. W. MIAcBRIDE, F.R.S.
March 17, 1921.
Prof. C. S. SHERRJINGTON, President, in the Chair.
Prof. A. A. Michelson, Foreign Mlember (elected 1902), was admitted inito the Society.
The following Papers wer e read - I. "The Colour of the Light from the Night Sky." By LOi.D
R1AYLEIGH, F.R.S.
II. "The Dissipation of Energy in .Permanent Ocean Currenits, with some Relations between Salinities, Temperatures, and Currenits." By R. 0. STREET. Communicated by Sir JOSEPH LA11iMOR, F.R.S.
III. "'he VacuIumIi ArC Spectra of Sodiuim and Potassium." By S. DATTA. Commurnicated by Prof. A. FOWLER, F.R.S.
IV. "hlleats of Combustion and Formation of Nitro-compounds. Part I.-Benzene, Toluene, Phenol, and Methylariilinie Series." By W. E. GARNER and C. L. ABERNETHLY. Communicated by Sir R. ROBERTSON, F.R.S.
V. " On the Catalytic Dehydrogenation of Alcohols." By E. K. RIDEVAL. Communiicated by Sir WILLIAM POPE, F.R.S.
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I. "On the Influenice of Low Temperatures on the Magnetic Pro- perties of Alloys of Iron with Nickel and Manganese." By Prof. K. ONNES, For. Mem. R.S., Sir R. HADFIELD, F.R.S., and Dr. H. R. WOLTJER.
II. "The Influence of Physical Conditions on the Velocity of Decom- position of certaiin Crystalline Solids." By C. N. HINSHEL- WOOD and E. J. BOWEN. Communicated by Prof. F. A. LINDEMANN, F.R.S.
III. "The Adsorption of Gas by Charcoal, Silica, anid other Sub- stances." By H. BRIGGS. Communicated b)y Prof. J. F. THORPE, F.R.S.
IV. "The Properties and Molecular Structure of Thin Films of Palmitic Acid on Water. Part I." By N. K. ADAM. Com- municated by Mr. W. B. HARDY, Sec. R.S.
V. "On the Absorption of Light by Electrically Luminescent Mercury Vapour." By E. P. METCALFE and B. VENKATESACHAR. Communicated by Prof. A. W. PORTER, F.R.S.
April 21, 1921.
Prof. C. S. SHERRINGTON, President, in the Chair.
The following Papers were read:
I. "A Quantum Theory of Colour Vision." By J. JOLY, F.R.S.
II. "The Energy Involved in the Electric Change in Muscle and Nerve." By A. V. HILL, F.R.S.
III. "The Asymmetry, Metamorphosis, and Origin of Flat-Fishes." By H. M. KYLE. Communicated by Mr. W. B. HARDY, Sec. R.S.
IV. "Studies in the Cytology of the Statolith Apparatus in Plants, viewed in Relation to their Habit and Biological Require- ments." By T. L. PRANKERD. Communicated by Prof. W. AI. BAYLISS, F.R.S.
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I. "The Vibratiorns of a Spitnning Disc." By H. LAMB, F.R.S., and R. V. SOUTHWELL.
II. "The Hardness of Solid Solutions," By W. ROSENHAIN, F.R.S.
III. "A Method of Analysing Galvaniometer, Records." By W. HARTREE an1d A. V. HILL, F.R.S.
I'V. "A New Form of Wehnelt Interrupter." By F. H. NEWMAN. Communicated by LORD RAYlEIGH, F.R.S.
V. "Some Experiments oII Thermal Diffusion." By T. L. IBBS. Communicated by Prof. S. W. J. SMITH, F.R.S.
VI. "On the Diffraction of Light Incident at nearly the Critical Angle oII the Boundary between Two Media." By B. N. CHAKRAVARTY. Communicated by Prof. J. W. NICHOLSON, F.R.S.
May 5, 192 1.
Prof. C. S. SHERRINGTON, President, in the Chair.
Prof. A. Calmette, M. Henri Deslandres, Prof. A. Einstein, Prof. A. Haller, Prof. E. B. Wilson, and Prof. P. Zeeman, were elected Foreign Mlembers of the Society.
THE CROONIAN LECTUTRE, " On1 Rtelease of Function inl the Nervous System," was deliv-ered by I)r. HENPY HEIAD, F.R.S.
May 12, 1921.
Annual Meeting for the Election of Fellows.
Prof. C. S. SHERRINGTON, President, in the Chair.
The Statutes relating to the Electioni of Fellows having been read, Sir John Bradford and Mr. A. A. Campbell Swiniton were, with the consent of the Society, inominated Scrutators, to assist the Secretaries in the examinationi of the balloting lists.
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The votes of the Fellows present were collected, and the following Candidates were declared duly elected into the Society:- Agar, Wilfred Eade. I Ledingham, Johni Charles Grant. Aston, Francis William. Middlemiss, Charles Stewart. Bragg, William Laurence. Orton, Kennedy Joseph Previt6. Calman, William Thomas. Parsons, John Herbert. Church, Arthur Henry. Philip, James Charles. Dreyer, Georges. |Robb, Alfred Arthtur. Eccles, William Henry. I Tennyson-d'Eyncourt, Sir Eustace.
Yule, George Udny.
Mty 12, 1921. Prof. C. S. SHERRINGTON, President, in the Chair.
The following Papers were read:- I. " The Problem of Finite Focal Depth Revealed by Seismo-
meters." By G. W. WALKER, F.R.S. II. "A Liquid Oxygen Vaporizer." By E. A. GRIFFITHS. Com-
municated by Dr. E. H. GRIFFITHS, F.R.S. III. " Some Experiments on the Catalytic Reduction of Ethylene to
Ethane." By DOROTHY M. PALMER and W. G. PALMER. Communicated by Sir WILLIAM POPE, F.R.S.
IV. " The Catalytic Activity of Copper.-Part II." By W. G. PALMER. Communicated by Sir WILLIAM POPE, F.R.S.
V. "The Total Heat of Liquid Carbonic Acid." By J. F. JENKIN and D. N. SHORTHOSE. Communicated by Sir ALFRED EWING, F.R.S.
VI. "On the Viscosity and Molecular Dimensions of Gaseous Cyanogen." By A. 0. RANKINE, D.Sc. Communicated by Prof. H. L. CALLENDAR, F.R.S.
The Society adjourned over the Whitsun Recess to May 26.
May 26, 1921. Prof. C. S. SHERRINGTON, President, in the Chair.
Dr. F. W. Aston, Dr. W. T. Calman, Dr. A. H. Church, Prof. G. Dreyer, Prof. W. H. Eccles, Mr. J. H. Parsons, Prof. J. C. Philip, Dr. A. A. Robb, Sir E. Tennyson-d'Eyncourt, and Mr. G. U. Yule, were admitted into the Society.
The following Papers were read: I. "The Atomic Process in Ferro-miiagnietic Induction." By Sir
ALFRED EWING, K.C.B., F,R.S.
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II. "The Magnetic Spectrum of the a-Rays Excited by the y-Rays." By C. D. ELLIS. Communicated by Sir ERNEST RUTHERFORD, F.R.S.
Ill. "On the Spectra of the Alkaline Earth Fluorides and their Relation to each other." By S. DATTA. Commuinicated by Prof. A. FOWLER, F.R.S.
IV. "A Simple Apparatus for Approximate Harmonic Analysis and for Periodicity Measurenments." By W. L. BALLS, Sc.D. Communicated by Dr. F. F. BLACKMAN, F.R.S.
V. "The Influence of Satellites upon the Form of Saturn's Ring." By G. R. GOLDSBROUGH, D.Sc. Communicated by Prof. T. H. HAVELOCK, F.R.S.
VI. "On Certain Geological Effects of the Cooling of the Earth." By H. JEFFREYS, D.Sc. Commlunicated by Dr. G. C. SIMPSON, F.R.S.
VII. "On the Moving Striations in a Neon Tube." By T. KlIucrnH. ComTnmunicated by Sir ERNEST RUTHERFORD, F.R.S. (Title only.)
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THE BAKERIAN LECTURE-" Optical Rotatory Dispersion "-was delivered by Dr. T. M. LOWRY, F.R.S., and Dr. C. P. AUSTIN.
Jane 9, 1921.
Prof. C. S. SHERRINGTON, President, followed by Sir DAVID PRAIN, Treasurer, in the Chair.
Prof. K. J. P. Orton was admitted inito the Society.
The following Papers were read:
I. "Break - shock Reflexes an(d 'Supramaximal' Contraction- respoinse of Mammalian Ncrve - muscle to Single - shock Stimuli." By Prof. C. S. SHIERRINGTON, P.R.S.
II. "Dictyokinesis in Germ Cells, or the Distribution of the Golgi Apparatus during Cell Division." By R. J. LUDFORD and J. B. GATENBY. Communicated by Prof. J. P. HILL, F.R.S.
III. "The Effect of Red Fatigue on the White Equation." By F. W. EDRIDGE-GItEEN, M.D. Communicated by Prof. W. M. BAYLISS, F.R.S.
IV. "A i\iethod for Investigating the Haemolytic Activity of Chemical Substarnces." By E. PONDER. Communicated by Sir E. SHARPEY SCHAFER1, F.R.S.
V. "The Development of Vegetation in the Eniglish Lakes, con- sidered in Relation to the Gener al Evolution of Glacial Lakes and Rock Basins." By W. H. PEARSALL. Com- municated by Mr. A. G. TANSLEY, F.R.S.
June 16, 1921. Prof. C. S. SHERRTNGTON, President, in the Chair.
Prof. W. L. Bragg and Dr. J. G. Ledingham were admitted into the Society.
The following Papers were rea(d I. "On the Velocity of Sound in Gases at High Temperatures, and
the ltatio of the Specific Heats." By H. B. DIxoN, F.R.S., COLIN CAMPBELL, 1D.Sc., anid A. PARKER, D.Sc.
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II. "The Ratio of the Specific Heats of Air and of Carbon Dioxide." By J. R. PARTINGTON, D.Sc. Communicated by Dr. J. A. HARKER, F.R.S.
IL. "On 'Light Body' Hydrophones and the Directional Properties of Microphones." By A. B. WOOD, D.Sc., and F. B. YOUNG, D.Sc. Communicated by Sir W. BRAGG, F. R.S.
IV. " On the Acoustic Distutrbances produiced by Small Bodies in Plane Waves transmitted through Water, with special reference to the Sinigle Plate Direction Fiinder." BPy A. B. WooI), D.SC., anid F. B. YOUNG, D.Sc. Communicated by Sir W. BRAGG, F.R.S.
V. " Some Problems conniected with Evaporation from Large Expanses of Water." By Al. A. GIBLETIT. Communicated by Dr. G. C. SIMPSON, F.RI.S.
VI. " The Photographiic Efficiency of Heterogeneouis Light." By F. C. Toy. CommuInicated by Prof. A. W. PORTER, F.R.S.
Jane 23, 1921.
Prof. C. S. SHERRINGTON, President, in the Chair.
The following Papers were read:
I. "A Study of Catalytic Actiorns at Solid Surfaces. VI.--Surface Area and Specific Nature of a Catalyst: two Independent Factors controlling the Rtesuiltant Activity." By E. F. ARM- STRONG, F.R.S., and T. P. IIILDITCII.
II. "A Contribution to the Thermodynlamical Theory of Explosions -Part I." By Sir J. B. H1ENDERSON, D.Sc. Communicated by Sir J. A. EWING, F.R.S.
III. "A Contribuition to the Thermodynamical Theory of Explosions -Part II." By Sir J. B. HENDERI3SON, D.Sc., and Prof. H. R. IJASSE. Commnlunicated by Sir J. A. EWING, F.R.S.
IV. "Eddy Currerit Losses in Cylindrical Conductors, with Special Applications to the Alterniating CuLrrenit Resistainces of Short Coils." By S. BUTTERWORITH. ComnicUiCated by Mr. F. E. SMITH, F.RZ.S.
V. "On the Currents induced irn a Cable by the Passage of a Mass of Magnetic AMaterial over it." By E. S. BIELER. COmMu1nicated by Sir ERtNEST RUTIIERFORD, F.R.S.
VI. "The Experimental Analysis of Soundl in Air arid Water: some Experiments towards a SouLnd Spectrum." By GuY BARLOW, D.Sc., and II. B. KEENE, D.Sc. Communticated by Sir OLIVER LODGE, F.R.S.
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VII. "The Theory of Analysis of an Electric Current by Periodic Interruption." By GuY BARLOW, D.Sc. Communicated by Sir OLIVER LODGE, F.R.S.
JHtne 30, 1921.
Prof. C. S. SHERRINGTON, President, in the Chair.
The following Papers were read:
I. "The Absorption of Light by Elements in a State of Vapour. -The Halogens." By Sir JAMBS DOBBIE, F.R.S., and J. J. Fox, O.B.E., D.Sc.
II. " Gaseous Combustion at High Pressures. Part II.-The Explosion of Hydrogen-Air and Carbon-Monoxide-Air Mixtures." By Prof. W. A. BONE, D.Sc., F.R.S., and the late W. A. HAWARD, M.Sc.
III. "Lagrange's Ballistic Problem." By Prof. A. E. H. LovE, F.R.S., and F. B. PIDDUCK.
IV. "The Principles of Internal Ba;llistics." By J. PROUDMAN. Communicated by Prof. H. LAMB, F.R.S.
V. " A Simple Extensioni of Fourier's Integral Theorem and some Physical Applicationis, in particular to the Theory of Quanta." By R. H. FOWLER. Communicated by Sir ERNEST RUTHERFORD, F.R.S.
VI. "The Dynamics of Revolving Fluid on a Rotating Earth." By Capt. D. BRUNT, M.A., B.Sc. Communicated by Sir NAPIER SHAW, F.R.S.
VII. "On the Spectrum of Potassium." By Prof. J. C. McLENNAN, F.R.S.
VIII. " On the Refractive Indices of Mercury and Thallium Vapours." By Prof. J. C. McLENNAN, F.R.S.
IX. "On the Emission and Absorption Spectra of Mercury." By Prof. J. C. McLENNAN, F.R.S., and W. W. SHAVER.
X. " Oni the Structure of the Balmer Series Lines of Hydrogen." By Prof. J. C. McLENNAN, F.R.S., and P. LOWE.
XI. "On some New Flormulre for the Numerical Calculation of the MIutual Induction of Coaxial Circles." By Prof. L. V. King. Commun-icated by Prof. A. S. EVE, F.R.S.
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XII. " Anomalous Liesegang Stratifications Produced by the Action of Light." By EMIL HIATSCHEK. Communicated by Prof. A. W. PORTER, F.R.S.
XIII. " The Harmonic Development of the Tide-generating Potential." By A. T. DOODSON. Communicated by Prof. H. LAMB, F.R.S.
XIV. "Revision of Series in the Arc Spectrum of Mercury." By H. DINGLE. Communicated bv Prof. A. FOWLER, F.R.S.
XV. "The Dia-heliotropic Adjustment of Leaves by Transmritted Excitation." By Sir J. C. BOSE, F.R.S., and S. C. GUHA.
XVI. "Observations on the Effects of Fat Excess on the Growth and Metamorphosis of Tadpoles." By R. MCCARRISON. Com- municated by Prof. C. S. SHERRINGTON, P.R.S.
XVII. " A Preliminary Note on Branched a-Ray Tracks." By TAKEO SHIMIZU. Commtunicated by Sir ERNEST RUTHERFORD, F.R.S.
XVIII. " A Reciprocating Expansioni Apparatus for Detecting Ionizing Rays." By TAKEO SHIMIZU. Communicated by AMr. C. T. R. WILSON, F.R.S.
XIX. "The Time Interval between Absorption and Emnission of Light in Fluorescence." By R. W. WOOD, For. Mem. R.S.
The Society adjourned over the Long Vacation to Thursday, November 3.
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