Back MatterSource: Proceedings of the Royal Society of London. Series A, Containing Papers of aMathematical and Physical Character, Vol. 96, No. 680 (Feb. 3, 1920), pp. i-xivPublished by: The Royal SocietyStable URL: http://www.jstor.org/stable/93813 .

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i

MINUTES OF MEETINGS.-SESSION 1919-20.

November 6, 1919. Meeting for Discussion, being a Joint Meeting of the Royal and

Royal Astronomical Societies.

Sir J. J. THOMSON, O.M., Pres. R.S., in the Chair. The Discussion was opened by the reading of the following Paper "A Determination of the Deflection of Light by the Sun's Gravita-

tional Field, from Observations made at the Total Eclipse of the Suni, 1919, May 29." By Sir F. W. DYSON, F.R.S., A. S. EDDINGTON, F.R.S., and C. DAVIDSON.

November 13, 1919. Sir J. J. THOMSON, O.M., President, in the Chair.

Mr. G. I. Taylor was admitted into the Society. In pursuance of the Statutes, notice of the ensuing Aniliversary

Meeting was given from the Chair. The following Papers were read:- I. " The Genesis of CEdema in Beri-beri." By Lieut.-Colonel

R. MUCARRISON. Communicated by Prof. J. G. ADAMI, F.R.S.

II. "The Microscopical Features of Mechanical Strains in Timber and the bearing of these on the Structure of the Cell-Wall in Plants." By W. ROBINSON. Communicated by Prof. W. H. LANG, F.R.S.

III. "The Effect of Nitrogen-fixing Organisms and Nucleic Acid Derivatives on Plant Growth." By W. B. BOTTOMLEY. Communicated by Prof. F. W. OLIVER, F.R.S.

IV. "The Vegetative Morphology of Pistia and the Lemnaceae." By AGNES ARBER. Communicated by Prof. F. W. OLIVER, F.R.S.

V. "Effects of Exercise and Humid Heat upon Pulse Rate, Blood Pressure, Body Temperature, and Blood Concentration." By W. J. YOUNG, A. BREINL, J. J. HARRIS, and W. A. OSBORNE. Communicated by Prof. J. N. LANGLEY, F.R.S.

November 20, 1919. Sir J. J. THOMSON, O.M., President, in the Chair.

A Special General Meeting of the Society was held to receive the Annual Report of the Council.

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November 20, 1919.

Sir J. J. THOMSON, O.M., President, in the Chair.

In pursuance of the Statutes, notice of the ensuing Anniversary Meeting was given from the Chair, and the list of Officers and Council nominated for election was read as follows:

President.-Sir Joseph John Thomson, O.M., M.A., D.Sc., LL.D.

Treasurer.-Sir David Praim, C.M.G., C.I.E.

Sertaries. William Bate Hardy, M.A. L James Hopwood Jeans, M.IA.

Foreign Serelary.-Prof. William Abbott Herdman, D.Sc.

Other Members of the Coutneil.-Joseph Barcroft, C.B.E.; Charles Vernon Boys; Sir James Johnston Dobbie, LL.D.; Sir Frank Watson Dysorn, M.A.; Prof. John Bretland Farmer, M.A.; Sir Walter Morley Fletcher, K.B.E.; Prof. Frederick William Gamble, D.Sc.; Sir Richard Tetley Glazebrook, C.B., M.A.; Prof. John Walter Gregory, D.Sc.; Alfred Cort Haddon, Sc.D.; Sir Robert Abbott Hadfield, Bart.; Sir Alfred Bray Kemape, M.A.; Sir William Jackson Pope, K.B.E.; Sidney Harris Cox Martin, M.D.; Prof. Arthur Schuster, Sc.D.; Prof. William Palmer Wynne, D.Sc.

The following, Papers were read:-

I. " A Linear Associative Algebra suiitable for Electromagnetic Relations and the Theory of Relativity." By W. J. JOHNSTON. Communicated by Sir JOSEPH LARMOVR, M.P., F.R.S.

II. "Note on Mr. W. J. Johnston's Calcululs for Generalized Relativity." By Sir JOSEPH LARMOR, M.P., F.R.S.

III. "On the Variation with Frequency of the Conductivity and Dielectric Constant of Dielectrics for High Frequency Oscillations." By G. E. BAIRSTO. Communicated by Prof. J. A. FLEMING, F.R.S.

IV. "Equal Parallel Cylindrical Conductors in Electrical Problems." By F. J. W. WHIPPLE. Communicated by Dr. C. CHREE, F.R.S.

V, "The Scattering of X- and I-rays by Rings of Electrons.-A Crucial Test of the Electron Ring Theory of Atoms." By G. A. SCHOTT. Communicated by Sir JOSEPH LARMOR, M.P., F.R.S.

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,December 1) 1919.

ANNIVERSARY MEETING.

Sir J. J. THOMSON, O. NI., President, in the Chair.

'The Report of the Auditors of the Treasurer's accounts was read, and the thanks of the Society were given to the Treasuirer and to the Auditors.

The List of Fellows deceased and the List of Fellows elected into the Society since the last Anniversary were read.

The Report to the Society from the Council, upon the work during the past year, was, uipon the motion of the President, received.

The President delivered his Anniversary Address. On tle motionl of Sir Philip Watts, seconded by Prof. D'Arcy Thompson, the thanks of the Society were voted to the Presi(dent for his Address, and he was r equested to allow it to be prinlted.

The Awards of the Medals for the year were announced as follows, and the Medals were presented from the Chair:-

The Copley Medal ............ To Prof. W. M. Bayliss. A Royal Medal ............... ,, Prof. J. B. Farmer. A Royal Mledal ............... ,, Mr. J. H. Jeans. The Davy Medal ............ ,, Prof. P. F. Frankland. The Sylvester Medal ......... ,, Major P. A. MacMahon. The Hughes Medal .... ,, Dr. C. Chree.

The President having, with the consent of the Society, nominated Major P. A. MacMahon and Sir A. Strahan as Scrutators to examine the balloting lists for the election of Council and Officers, the votes of the Fellows present were taken.

The Scrutators reported that the Council and Officers nlominated at the preceding meeting had been duly elected.

The thanks of the Society were given to the Scrutators.

December 4, 191.9.

Sir J. J. Th-IOMSON, O.M., President, irn, the Chair.

The following Papers were read:

1. " The Adsorption of Gases at Low and Moderate Concentrations. Part I.-Deduction of the Theoretical Adsorption of Isostere and Isotherm." "Part II.-Experimental Verification of the Form of the Theoretical Isosteres and Isotherms." By A. M. WILLIAMS. Communicated by Prof. J. WALKER, F.R.S.

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iv

IT. "The Adsorption of Gases at Low and Moderate Concentrations. Part III.-Experimental 'Verification of the Colnstant in the Theoretical Adsorption Isostere." By A. NI. WILLIAMs. Commuuinicated by Prof. J. WAILKER, F.1.S.

III. Oni the Secondary Speetrumi of Hydrogen." 4By3 U.f. MnERrox. Communicated by Prof. A. FOWLE u, Fw x R. S

IV. " On the SpectIa of Isotopes." By T. vR. MER{TON. Co1in- raUnicate(d by Prof. A. FOWL-IER, :F.R. S.

V. "A Stuidy of Catalytic Actions at Solid Surfaces. -Part [LI." By E. F. ARMSTRONG and T. P. HI-f.DITOR. Commntinicated bY Prof. H. E. AjEMSTRONG. F.R.S.

'VI. " 1An Experimental Determination of the Critical Electron Velocities for the Production -of Radiation ain-d )onization oti Collisio.t with Argon-. Atonms." By F'. HORT)ON and ANN C. DAVINS. Communicate( by C. CT I. W'ILSON, F.R.S.

D9ecembher ii 1919-L.

Sir J. J. TIHOMSON, O.M., Presidenrt, in the Chair.

The Presiden-it announced that he hiad appointe(I the following Vice-Presidents .

The Treasurer. Prof. J. B. Fariner. Sir R. Glazebrook. Prof. A. Schuster

The following Papers were read:-

I. "A Further' Study of Chronmosome Dirmensionis." By C. F. U. MEEK. Comnmunticated by Prof. S. J. HICKSoN, FE.R.S.

IH. 'T'he Respiratory Exchange of Mani during and after Muscul'ar Exercise." By J. M. H. CAMPBELL, C. G. 1)OUGLAS, and F. G. HOBSON. Commrunlicated by Dr. 1. S. HALDANE, F.R.S.

I'lI. "The Frergy Output of Dock Labourers during Heavy Work." By . D. WALLERX, F.R.S.

IV. "Histolog,ical Examination of ani Adult H1unman Albino's Eyeball, with a Note orn Mesoblastic Pigmentationi in Fwtal Eyes." 3By C. H. USH:ER. Communicated by Prof. KARL PEARSON, F.R.S.

V. "The Relation of Spermiatozoa to certain Electrolytes.-II." By J. GRA.Y. Comnmunicated by Prof. J. S. CGARDINER, F.R.S.

The Society adjourned over the Christmas Recess to Thursday, Janutiary 22, 1920.

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xi

May 15, 1919.

Annual Meeting for the Election of Fellows. 'Sir J. J. THOMSON, O.M., President, in theChair.

The Statutes relating to the Election of Fellows having been read, Sir R. Hadfield and Prof. McClelland were, with the consent of the Society, nominated Scrutators, to assist the Seeretaries in the examnina- tion of the balloting lists.

The votes of the Fellows preset, were- collcted, and th foling Candidates were declared duly elected into the Society:

Bainbridge, F. A. Heron-Alien, E. Barger, G. Matthew, W. D. Chapman,:S. Se'ligman, C. G. Close, Sir C. F. Steele, B. D. Evans, J. W. Taylor, G. I. Fitzmaurire, Sir M. Watson, G. N. Grahan-Smith, G. S. Willis, J. C.

Wood, T. B.

Iafy 15, 1919.

Prof. E. HI. STARLING, Vice-Preside-nt, in the Chair.

On behalf of the Pres,ident, notice was given that at the next meeting of the Society H.R.H. the Prince of Wales wo6uld be proposed as a Fellow of the Society.

The following Papers were read:-

1. "On the Area of Surfaces." By Prof. W. H. YOUNG, F.R.S.

IL "On Change of the Independent Variables in a Multiple Integral." By Prof. W. H. YOUNG, F.R.S.

LII. "Researches on the Chemistry of Coal. Part I.-The Action of Pyridine upon the Coal Substance." By Prof. W. A. BONE, F.R. S., and R. J. SARJANT.

IV. "AL New Method of Weighing Colloidal Particles." By Prof. E. F. BURTON.' Communicated by Prof. J. C. MCLENNAN, F.R.S.

V. "The Value of the Rydberg Constant for Spectral Series." By W. E. CURTIS. Communicated by Prof. A. FoWLER, F.R.S.

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Xii

May 22, 1919.

Sir J. J. THOMSON, O.M., President, in the Chair.

The President proposed H.R.H. the Prince of Wales for election into the Society.

His Royal Highness was put to the vote, in accordance with the provisions of the Statutes, and was duly elected a Fellow of the Society.

Prof. F. A. Bainbridge, Sir C. F. Close, Sir M. Fitzmaurice, Mr. E. Heron-Allen, and Dr. C. G. Seligman, were admitted into the Society.

The following Papers were read:-- I. "On the Structure of Lysorophuis as Exposed by Serial Sections."

By Prof. W. J. SOLLAS, F.R.S.

II. " A Preliminary Study of the Energy Expenditure and Food Requirements of Women Workers." By 0. ROSENHEIM. Communicated by Prof. E. H. STARLING, F.R.S.

Ill. "Report on the Metabolism of Female Munition Workers." By M. GREENWOOD, C. HODSON, and A. E. TEBB. Communicated by Prof. E. H. STARLING, F.R.S.

May 29, 1919.

Sir J. J. THOMSON, O.M., President, in the Chair.

Dr. G. Barger, Dr. J. W. Evans, Dr. G. S. Graham-Smith, Prof. G. N. Watson, and Prof. T. B. Wood, were admitted into the Soeiety.

The Croonian Lecture was delivered by Dr. H. H. DALIE, F.R.S., on " The Biological Significance of Anaphylaxis."

June 5, 1919.

Sir J. J. THOMSON, O.M., President, in the Chair.

Dr. J. C. Willis was admitted into the Society.

The following Papers were read:- I. " The Relation between the Refractivity and Density of Carbon

Dioxide." By P. PH1LLIPS, D.Sc. Commlunicated by Prof. A. W. PORTER, F.R.S.

II. "On the Colours of the Striae in Mica, and the Radiation from Lanminar Diffracting Boundaries." BY P. N. GHOSH. Com- municated by Dr. GILBERT WALKER, F.R.S.

III. "A Study of the Catalytic Actions at Solid Surfaces." By E. F. ARMSTRONG, D.Sc., and T. P. HILDITCH, D.Sc. Co]nmmunicated by Prof. H. E. ARMSTRONG, F.R.S.

The Society adjourned over the Whitsun Recess to Thursday, June 19.

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xiii

June 19, 1919.

Sir J. J. THOMSON, O.MA., President, in the Chair.

The Bakerian Lecture was delivered by the Hon. R. J. STRUTT, F.R.S., on " A Study of the Line Spectrum of Sodium as Excited by Fluorescence.77

June 26, 1919.

Sir J. J. THOMSON, O.M., Presidenlt, in the Chair.

S. Flexner, C. Jordan, J. C. Kapteyn, A. Lacroix, T. H. MIorgan, T. W. lRichards, J. R. Rydberg, S. N. Winiogradsky, and R. W. Wood were elected Foreign Members of the Society.

The following Papers were read:-

I. " Monoclinic Double Selenates of the Cobalt Group." By A. E. H. TUTTON, D.Sc., F.R.S.

II. " A New Method of Driving off Poisonous Gases." By HERTHA AYRTON. Communicated by Prof. T. MATHER, F.R.S.

III. "Experiments with Perforated Electrodes on the Nature of the Discharge in Gases at Low Pressure." By F. W. ASTON, D.Sc. Communicated by Mr. C. T. R. WILSON, F.R.S.

IV. "De Saint-Venant Solution for the Flexure of Cantilevers of Cross-Section in the Form of Complete and Curtate Circular Sectors; and on the Influence of the Manner of Fixing the Built-in End of the Cantilever on its Deflection." By MAR Y SEEGAR and Prof. KARL PEARSON, F.R.S.

V. "On the Relation between Wind and the Distribution of Pres- sure." By H. JEFFREYS, D.Sc. Communicated by Sir NAPIER SHAw, F.R.S.

VI. "The Blood Vascular System of the Tuatara, Sphenodon _puncatus." By Prof. C. H. O'DoNoGHuE. Communicated by Prof. A. DENDY, F.R.S.

VII. "On the Fundamental Formulations of Electro-dynamics." By G. H. LIVENS. Communicated by Prof. W. M. HICKS, F.R.S.

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xiv

VIII. " The Influence of Molecular Constitution and Temperature on Magnetic Susceptibility. Part IV.--Further Applications of the Molecular Field." By A. E. OXLEY, D.Sc. Com- municated by Prof. J. W. NIChOLSON, F.R.S.

IX. C Diffusion of Light by Rain, Cloud, or Fog." BY A. MALLOCK, F.R.S.

The Society adjourned over the Long Vacation to Thursday, November 6, 1919.

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