Front Matter

Front MatterSource: Proceedings of the Royal Society of London. Series A, Mathematical and PhysicalSciences, Vol. 149, No. 866 (Mar. 1, 1935), pp. iii-xiiPublished by: The Royal SocietyStable URL: http://www.jstor.org/stable/96260 .

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[ iii ]

Thursday, January 24, 1935

Sir F. Gowland HOPKINS, President, in the Chair

The following papers were read:

1. M. BORN and L. INFELD. " On the quantization of the new field equations, I." Communicated by P. A. M. DIRAC, F.R.S.

2. M. BORN and L. INPELD. "On the quantization of the new field theory, II." Communicated by R. H. FOWLER, F.R.S.

3. H. BETHE and R. PEIERLS. The scattering of neutrons by protons." Communicated by D. R. HARTREE, F.R.S.

4. C. D. ELLIS, F.R.S., and W. J. HENDERSON. "Artificial radioactivity."

5. C. N. HINSHELWOOD, F.R.S., A. T. WILLIAMSON and J. H. WOLFENDEN. " The reaction between oxygen and the heavier isotope of hydrogen."

6. A. N. SHAW. "The derivation of thermodynamical relations for a simple system." Communicated by A. S. EVE, F.R.S.

7. 0. ROBINSON. " The diffusion coefficients of dye solutions and their interpretation." Communicated by F. G. DONNAN, F.R.S.

8. P. KAPITZA, F.R.S. "The liquefaction of helium by an adiabatic method."

9. W. A. BONE, F.R.S., L. G. B. PARSONS, R. H. SAPIRO and C. M. GROOCOCK. "Researches on the chemistry of coal, VIII."

10. J. DE G. HUNTER. "The figure of the earth from gravity observations and the precision obtainable." Communicated by Sir Gerald LENOX-CONYNGHAM, F.R.S.

11. F. LOWATER. " Rotational analysis of the band spectrum of zirconium oxide." Communicated by A. FOWLER, F.R.S.

12. K. S. KRISHNAN and S. BANERJEE. "Investigations on magne- crystallic action, Part III." Communicated by Sir Venkata RAMAN, F.R.S.

13. W. PAYMAN, D. W. WOODHEAD and H. TITMAN. Explosion waves and shock waves, Part II." Communicated by J. F. THORPE, F.R.S.

14. A. K. DENISOFF and 0. W. RICHARDSON, F.R.S. The emission of electrons under the influence of chemical action, Part V."

15. R. C. J. HOWLAND. " Stresses in a plate containing an infinite row of holes." Communicated by L. N. G. FILON, F.R.S.

16. S. CHAPMAN, F.R.S. " The Gotz inversion of intensity ratio in zenith-scattered sunlight."

17. W. G. PALMER and R. E. D. CLARK. "Absorption on measured surfaces of vitreous silica." Communicated by Sir William POPE, F.R.S.

a



[ iv ]

18. M. BLACKMAN. " Contributions to the theory of specific heat. III- On the existence of pseudo-T3 regions in the specific heat curve of a.,crystal. IV-On the calculation of the specific heat of crystals from elastic data." Communicated by S. CHAPMAN, F.R.S.

19. J. C. JAEGER and H. R. HULME. " The internal conversion of y-rays with the production of electrons and positrons." Communi- .cated by R. H. FOWLER, F.R.S.

20. R. M. BARRER and E. K. RIDEAL, F.R.S. " The interaction of hydrogen with micro-crystalline charcoal. I-Physical sorption processes."?

21. N. KuRTI and F. SIMON. " Experiments at very low temperatures obtained by the magnetic method." Colmnmunicated by F. A. LINDEMANN, F.R.S.

22. S. ToLANSKY. " The nuclear spin of iodine. I-Fine structure in the first spark spectrum." Communicated by W. L. BRAGG,

F.R.S. 23. R. PEIERLS. " Statistical errors in counting experiments." Communi-

cated by R. H. FOWLER, F.R.S.

24. A. S. Roy and M. E. ROSE. " The rotational dispersion of sound in hydrogen." Communicated by H. S. ALLEN, F.R.S.

Thursday, January 31, 1935


The following papers were read:-

1. R. T. HILL and A. S. PARKES, F.R.S.. " Hypophysectomny. of birds. VI-Plumage changes in hypophysectomized fowls."

2. R. T. HILL and A. S. PARKES, F.R.S. "' Hypophysectomy of birds. V-Effect of replacement therapy on the gonads, accessory organs and secondary sexual characters of hypophysectomized fowls."

3. H. Muir EvANs. " The brain of Gadus with special reference to the medulla oblongata and its variations according to the feeding habits of different Gadid , I and II.: Communicated by Sir Henry DALE, Sec. R.S.

4. H. W. FLOREY and H. E. HARDING. "A humoral control of the secretion of Brunner's glands." Cominunicated by Sir Charles SHERRINGTON, O.M., F.R.S.

5. J. W. Heslop HARRISON, F.R.S.- "The experimental induction of melanism, and other effects, in the geometrid moth Selenia bilunaria (esp.)."

. K. C. RICHARDSON. " The secretory phenomena in the oviduct of the fowl including the process of shell formation, examined by the



[ v ]

micro-incineration technique." Communicated by J. P. HILL,

F.R.S. 7., J. CALDWELL. " On the interactions of two strains of a plant virus;

experiments on induced immunity in plants." Communicated by Sir John RUSSELL, F.R.S.

8. R. A. WILLIS. " Experiments on the intercerebral implantation of embryo tissues in rats." Communicated by Sir Arthur KEITH,

F.R.S. 9. Isabel C. COOKSON. "On plant-remains from the Silurian of Victoria,

Australia, that extend and connect Floras hitherto described." Communicated by A. J. EWART, F.R.S.

10. A. S. HORNE. " On the numerical distribution of micro-organisms in the atmosphere." Communicated by V. H. BLACKMAN, F.R.S.

1 1. B. S. BMACHAR. " A study of the correlation between the feeding habits and the structure of the hind brain in the South Indian Cyprinoid fishes." Communicated by Sir Henry DALE, Sec. R.S.

12. Sir Frederick KEEBLE, F.R.S. and M. G. NELSON. "C The integration of plant behaviour. V-Growth substance and traumatic curvature of the root."

Thursday, February 7, 1935


The following papers were read:-

1. E. N. DA C. ANDRADE and P. J. HUTCINGS. " The mechanical behaviour of single crystals of mercury." Communicated by Sir William BRAGG, O.M., F.R.S.

2. E. N. DA C. ANDRADE and J. C. MARTINDALE. "The structure and physical properties of thin films of metals on solid surfaces." Communicated by Sir Wiliam BRAGG, O.M., F.R.S.

3. M. BORN. " On the theory of optical activity." Communicated by T. M. LOWRY, F.R.S.

4. F. F. COLEMAN and A. EGERTON, F.R.S. "A study of the vapour pressures of magnesium, thallium and zinc and the determination of their chemical constants."

5, F. P. BOWDEN and W. G. BEARE. " The physical properties of surfaces Part I." Communicated by T. M. LOWRY, F.R.S.

6. D. A. JACKSON. " The magnetic moment of the nucleus of caesium." Communicated by F. A. LINDEMANN, F.R.S.

7. H. S. GREGORY. "The effect of temperature on the thermal conductivity and the accommodation coefficients of hydrogen." Communicated by G. P. THOMSON, F.R.S.

a 2



I vi 3

8. F. LONDON and H. LONDON. "The electromagnetic equations of the supraconductor." Communicated by F. A. LINDEMANN, F.R.S.

9. H. G. HOWELL. " Band spectrum of aluminium bromide." Com- municated by W. E. CURTIS, F.R.S.

10. T. ALTY and C. A. MACKAY. " The accommodation coefficient and

the evaporation coefficient of water." Communicated by R. H. FOWLER, F.R.S.

11. P. I. DEE. " Some experiments upon artificial transmutation investigated by the cloud-track method." Communicated by Lord RUTHERFORD, O.M., F.R.S.

12. 0. KLEMPERER. " On the radioactivity of potassium and rubidium." Communicated by Lord RUTHERFORD, O.M., F.R.S.

13. H. R. HULME, J. McDOUGALL, R. A. BUCKINGHAM and R. H. FOWLER,

F.R.S. " The photoelectric absorption of X-rays in heavy elements."

14. R. M. BARRER. " The interaction of hydrogen with micro-crystalline charcoal. IT-Activated sorption of hydrogen and methane by carbon." Communicated by E. K. RIDEAL, F.R.S.

15. A. W. LEE. " On the direction of approach of micro-seismic waves." Communicated by G. C. SIMPSON, F.R.S.

16. H. L. Cox and W. J. CLENSHAW. " The behaviour of single crystals of aluminium in fatigue under complex stresses." Com- municated by H. GOUGH, F.R.S.

17. D. R. HARTREE, F.R.S., and W. HARTREE. Results of calculations of atomic wave functions, III."

18. E. C. C. BALY, F.R.S. " The kinetics of photosynthesis."

19. W. R. ANGUS and A. H. LECKIE. " Investigations of Raman spectra, I." Communicated by F. G. DONNAN, F.R.S.

20. C. J. SMITHELLS and C. E. RANSLEY. " The diffusion of gases through

metals." Communicated by R. H. FOWLER, F.R.S.




1. G. BARRY, J. W. COOK, G. A. D. HASLEWOOD, C. L. HEWETT, I. HIEGER

and E. L. KENNAWAY, F.R.S. "The production of cancer by pure hydrocarbons, Part III."

2. C. H. WADDINGTON, J. NEEDHAM, W. W. NOWINSKI and R. LEMBERG. " Studies on the nature of the amphibian organization centre. I-Chemical properties of the evocator." Communicated by Sir F. G-owland HOPKINS, P.R.S.



[ vii I

3. C. H. WADDINGTON and D. M. NEEDHAM. " Studies on the nature of the amphibian organization centre. II-Induction by syn- thetic sterol-like substances." Communicated by Sir F. Gowland HOPKINS, P.R.S.

4. H. G. CANNON. " A further account of the feeding mechanism of Chirocephalus diaphanus." Communicated by E. W. MAcBRIDE, F.R.S.

5. H. FISCHGOLD and E. CHAIN. " On the ampholytic nature of phospholipins." Communicated by Sir F. Gowland HOPKINS, P.R.S.

6. A. G. R. WHITEHOUSE. " The dissolved constituents of human sweat." Communicated by J. S. HALDANE, F.R.S.

7. E. PONDER and A. S. GORDON. " The kinetics of hmemolysis in cell- taurocholate-serum systems." Communicated by Sir Edward SHARPEY-SCHAFER, F.R.S.

8. H. KOSTERLITZ. "The relationship of the blood sugar level to the systemic blood pressure." Communicated by J. J. R. MACLEOD, F.R.S.


Sir F. Gowland HOPKINS, President in the Chair


1. F. W. ASTON, F.R.S. "The isotopic constitution and atomic weights of hafnium, thorium, rhodium, titanium, zirconium, calcium, gallium, silver, carbon, nickel, cadmium, iron, and indium."

2. J. M. STAGG. "The diurnal variation of magnetic disturbances in high latitudes." Communitated by G. C. SIMPSON, F.R.S.

3. C. H. CARTWRIGHT and M. HABERFELD-SCHWARZ. "On some electron properties of tellurium and Wilson's mechanism of semi- conductivity." Communicated by R. H. FOWLER, F.R.S.

4. E. A. OWEN and L. PICKUP. "X-ray study of the interdiffusion of copper and zinc." Communicated by Sir William BRAGG, O.M., F.R.S.

5. J. H. C. THOMPSON. "On the spectrum of the normal frequencies of a polar crystal lattice, I." Communicated by E. A. MILNE, F.R.S.

6. C. A. WINKLER and C. N. HINSHELWOOD, F.R.S. "The thermal decomposition of acetone vapour."

7. H. BETHE. " On the annihilation radiation of positrons." Com- municated by R. H. FOWLER, F.R.S.

8. R. H. FOWLER, F.R.S. " A theory of the rotations of molecules in solids and of the dielectric constant of solids and liquids."



[ viii ]

9. J. E. LENNARD-JONES, F.R.S., and C. STRACHAN. " The interaction of atoms and molecules with solid surfaces, I."

10. C. STRACHAN. " The interaction of atoms and molecules with solid surfaces, II." Communicated by J. E. LENNARD-JONES, F.R.S.

11. E. T. WHITTAKER, F.R.S. "On Gauss' theorem and the concept of mass in general relativity."

12. H. J. SCHUMACHER. " The thermal decomposition of ozone." Communicated by F. G. DONNAN, F.R.S.

13. M. H. L. PRYCE. " Commuting co-ordinates in the new field theory." Communicated by J. E. LENNARD-JONES, F.R.S.



[ ix ]

February 28, 1935


The following papers were read: 1. J. MELLANBY, F.R.S. " The supposed coagulation of oxalate

plasma by trypsin." 2. G. SALT. " Experimental studies in insect parasitism. III-Host

selection." Communicated by J. GRAY, F.R.S.

3. G. FRAENKEL. " A hormone causing pupation in the blow-fly, Calliphora erythrocephala." Communicated by D. M. S. WATSON, F.R.S.

4. N. J. BERRILL. " Studies in tunicate development. III-Differ- ential retardation and acceleration." Communicated by D. M. S. WATSON, F.R.S.

March 7, 1935



1. C. T. R. WILsoN, F.R.S., and J. G. WILSON. " On the falling cloud- chamber and on a radial-expansion chamber."

2. P. I. DEE and C. W. GILBERT. " The transmutation of heavy hydrogen investigated by the cloud-track method." Communicated by Lord RUTHERFORD, O.M., F.R.S.

3. R. C. L. BOSWORTH. "The mobility of sodium on tungsten." Communicated by E. K. RIDEAL, F.R.S.

4. L. BASTINGS. " Shear waves, through the earth's core." Com- municated by Lord RUTHERFORD, O.M., F.R.S.

5. H. LIPSON and C. A. BEEVERS. " The crystal structure of the alums." Communicated by W. L. BRAGG, F.R.S.

6. A. G. FOSTER. " The sorption of propyl and butyl alcohols by silica gel. Communicated by A. J. ALLMAND, F.R.S.

7. L. ESSEN. "International frequency comparisons by means of standard radio frequency emissions." Communicated by Sir Joseph PETAVEL, F.R.S.

8. W. JACKSON. "The mechanism of dielectric loss in paraffin wax solutions at high radio frequencies." Communicated by R. V. SOUTHWELL, F.R.S.

9. R. N. H. HASLAM. " The stark effect of mercury." Communicated by A. S. EVE, F.R.S.



l x ]

10. H. A. WILsoN, F.R.S. " The energies of alpha and gamma rays."

11. J. M. ROBERTSON. "X-ray analysis of the structure of dibenzyl. II-Fourier analysis." Communicated by Sir William BRAGG,

O.M., F.R.S.

12. C. A. WINKLER. "The thermal decomposition of acetaldehyde." Communicated by C. N. HINSHELWOOD, F.R.S.

March 14, 1935

Sir Henry LYONS, Vice-President, in the Chair


1. M. L. E. OLIPHANT, A. E. KEMPTON, and Lord RUTHERFORD, O.M., F.R.S. " The accurate determination of the energy released in certain nuclear transformations."

2. H. J. TAYLOR. " The tracks of oc-particles and protons in photo- graphic emulsions." Communicated by Lord RUTHERFORD,

O.M., F.R.S.

3. R. G. W. NORRISH. " A theory of the combustion of hydrocarbons." Communicated by W. A. BONE, F.R.S.

4. J. A. SANTOS. "An X-ray study of the caesium salts of certain 12-heteropoly acids." Communicated by W. L. BRAGG, F.R.S.

5. T. H. HAVELOCK, F.R.S. " Ship waves: the relative efficiency of bow and stern."

6. A. M. TYNDALL, F.R.S., and A. F. PEARCE. " The variation of the mobility of gaseous ions with temperature. I-Positive ions in their own gas."

7. R. 0. GIBSON, E. W. FAWCETT, and M. W. PERRIN. "The effect of pressure on reactions in solution.- I-Sodium ethoxide and ethyl iodide to 3000 kg/cm. Il-Pyridine and ethyl iodide to 8500 kg/cm." Communicated by C. N. HINSHELWOOD, F.R.S.

8. A. V. GROSSE. " The atomic weight of protactanium." Com- municated by F. W. ASTON, F.R.S.

March 21, 1935



1. D. R. HARTREE, F.R.S., and W. HARTREE. " Self-consistent field, with exchange, for beryllium."

2. H. R. HULME, J. MCDOUGALL, R. A. BUCKINGHAM, and R. H. FOWLER, F.R.S. " The photoelectric absorption of X-rays in heavy elements."



[ xi ]

3. S. W. MILVERTON. "An experimental investigation of thermal conduction through vapours." Communicated by A. 0. RANKINE, F.R.S.

4. H. G. BOOKER. " The application of the magneto-ionic theory to the ionosphere." Communicated by R. H. FOWLER, F.R.S.

5. J. D. BERNAL and H. D. MEGAW. " The function of hydrogen in intermolecular forces." Communicated by R. H. FOWLER, F.R.S.

6. J. M. ROBERTSON. "The structure of benzoquinone. A qualitative X-ray investigation." Communicated by Sir William BRAGG, O.M., F.R.S.

7. H. H. POOLE and W. R. G. ATKINS, F.R.S. " The standardization of photoelectric cells for the measurement of visible light."

8. E. AMALDI, 0. D'AGOSTINO, E. FERMI, B. PONTECORVO, F. RASETrI, and E. SEGRiE. " Artificial radioactivity produced by neutron bombardment." Communicated by Lord RUTHERFORD, O.M., F.R.S.

9. G. 0. LANGSTROTH. " Excitation and emission in the nitrogen band spectrum." Communicated by A. S. EVE, F.R.S.

10. E. SCHRODINGER. Contributions to Born's new theory of the electromagnetic field." Communicated by F. A. LINDEMANN, F.R.S.

11. L. WERTENSTEIN. "Vapour pressure and condensation of radon at low temperature." Communicated by Lord RUTHERFORD, O.M., F.R.S.

12. H. BETHE. " Statistical theory of superlattices." Communicated by W. L. BRAGG, F.R.S.

13. K. NIKOLSKY. " On the relativistic quantum mechanics." Com- municated by Sir Arthur EDDINGTON, F.R.S.

14. H. R. HULME. " On the electromagnetic fields due to variable electric charges and the intensities of spectrum lines according to the quantum theory." Communicated by R. H. FOWLER, F.R.S.

15. H. J. J. BRADDICK and R. W. DrrCHBURN. " The absorption of light in caesium vapour in the presence of helium." Com- municated by J. CHADWICK, F.R.S.

16. L. HOWARTH. " The theoretical determination of the lift coefficient for a thin elliptic cylinder." Communicated by G. I. TAYLOR, F.R.S.

17. H. R. ROBINSON, F.R.S., and C. J. B. CLEWS. "The secondary cathode rays expelled from metals by molybdenum by Km radiations."



[ xii ]

March 28, 1935

At lI to 1 and2.30to4p.m. Sir F. Gowland HOPKINS, President, in the Chair

A Discussion Meeting on the " Origins of British Flora " was opened by Professor A. C. SEWARD, For. Sec. R.S., in the morning.

Mrs. E. M. REID, Professor G. H. BOSWELL, F.R.S., Miss M. E. J. CHANDLER, Dr.. H. GODwIN, Dr. A. J. WILMOTT and Professor E. J. SALISBuRY, F.R.S., then addressed the meeting.

At the afternoon session Dr. G. Einar DU RIETZ (Upsala), Mr. H. DEWEY, Dr. K. SANDFORD, Dr. G. C. SIMPSON, F.R.S., Dr. W. B.= WRiGHT, and others took part.



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