460 



NATURE 



[December 2, 1920 



of Pregnanoy.— Major C. A. F. HingrstoD : The Necessity for the 

 Uoduution of Blood Pressure in Eolampaia.— Dr. R. W. Johnstone 

 and Or. J. Younif: Case of Accidental Hajmorrhage asBooiated 

 with Eclampsia.— Dr. J. Younjf and Dr. D. Miller : Further Ob- 

 nervations on the Etiology of Eclampsia and the Prccolamptio 

 State. 



FRIDAY, DECEMBtB 3. 



KoiAi. BociBTi or MtDiciNi! (Laryngology Section), at 4.45. 



lioiAL ASTUONOMicAi SocitTt (Geophysical Discussion), at 5.— The 

 Cause of Magnetic Storms.— In Chair: J. H. Jeans. Opener: 

 Prof. F. A. Lindemann.— Other Speakers : Prof. S. Chapman, 

 Dr. C. Chrec, Rcy. A. L. Cortie, Major G. M. Dobson, E. W. 

 Maunder, O. 8. Wright, and Others. 



IssTiTUTioN or MtCHANiCAL ENOiNBtiis, at 6.— Farther Discussion 

 on The Human Factor in Industry, by A. Ramsay. 



Institution or Electkical Enginkkks (Students' Section) (at King s 

 College), at 6.30.— A. Serner and Others: Discussion on The 

 Modern Tendency to Trusts. Is it Beneficial? 



JtNiOB INSTITCTION Or Enoinf.ihs (at Caxton Hall), at 8.— O. P. 

 Shotter : Electrolysis as applied to the Measurement of "J**'- 



BoiAL Society of Medicine (Antesthetics Section), at 8.30.— In- 

 formal Meeting. 



SATURDAY, Decembie i. 



OiLBEBT White Feilowship (at 6 Queen Square, W.C.I), at 3.— 

 H. J. Elwes: The PrimitiTe Races of Sheep in Great Britain. 



MONDAY, December 6. 



Vjctoeia Institute, at 4.30. — Dr. D. Anderson-Berry : The Psycho- 

 logy of Man, Experimentally Considered. 



RoiAL CoLLEaE OE SUBGEONs Or ENGLAND, at 5. — Sir Berkeley 

 Moynihan : The Surgery of the Diseases of the Spleen (Brad- 

 shaw Lecture). 



Rotal Institution or Gkeat Bbitain, at 5. 



SociETr or Engineers (Inc.) (at Geological Society), at 5.30. — 

 H. Banks : Blackpool Sea Coast Defence Works. 



Aristotelian Society (at University of London Club, 21 Gower 

 Street), at 8.— Prof. W. P. Montague : Tariation, Heredity, and 

 . Consciousness. 



Society or Chemical Industry (London Section) (at Chemical 

 Society), at 8.— Dr. H. Levinstein : The Dyestufl Industry. 



Royal Geographical Society (at ^olian Hall), at 8.30. — Major- 

 Gen. L. C. Dunsterville : From Baghdad to the Caspian in 1918. 



Medical Society or London (at 11 Chandos Street, W.l), at 8.30. — 

 The Surgical Treatment of Malignant Disease of the Colon, 

 introduced by Sir Berkeley Moynihan, to be followed by Sir 

 W. Arbuthnot Lane, Bt., G. Wright, L. Mummery, G. G. Turner, 

 and H. W. Carson. 



TUESDAY, Decembf.b 7. 



Royal Society oe Arts, at 4.30.— A. H. Ashbolt : The Trade of 

 Australia During and After the War. 



Institute or Industrial Administration (at Central Hall, West- 

 minster), at 7. — K. Twelvetrees : Road Transport as an Aid to 

 Industrial Management. 



Royal Society of Medicine (Surgery : Sub-section of Orthopasdics), 

 at 5.30. 



Royal Photographic Society of Great Britain, at 7.— F. Martin- 

 Duncan ; Photomicrography from the Ordinary Photographer's 

 Point of View ; Exhibition of Various Forms of Photomicro- 

 graphio Apparatus and Demonstration of Use. 



Royal Anthropological Institute, at 8,15. — L. S. Palmer: Some 

 Late Keltic Remains from a Mendip Cave. 



Sociological Society (at 65 Belerave Rond^. at 8.15. — Major Doug- 

 las ; The Mechanism of Consumer-Control. 



Royal Society of Medicine (Pathologv Section) (at Laboratories of 

 Medical Resenreh Council, Mount Vernon, Hampstead), at 8.30. 

 —Prof. L. Hill : The Measurement of the Capillary Blood 

 Pressure. — Cant. R. R. Douglas: Th? Serological Races of the 

 Cholera Vibrio. — "Hr. W. Mair ; Do>>lpr'.i Bodies in Scarlet Fever 

 and Pnpu»"nnia. — J. E. Barnard : The Use of Ultra- Violet Light 

 in tbe DilTerontiation of Animal Tissues. — Dr. L. Colebrook : 

 Artinomvnes. — Mftior H. W. Acton : The Fori^ation of the Gameto- 

 cyte of Beniern Tertian Mnlaria. — Dr. Lova+t T^vans ; A Method 

 for the Determination of the Reaction of Blood. 

 WEDNESDAY, December 8. 



Royal Society oe Arts, at 4.30. — E. A. Brayley Hodgetts : A 



Retrospect of the Personal Influence of Britons in Russia. 

 Institution of Automobile Engineers (at Institution of Mechanical 

 , Engineers), at 8. 



THURSDAY, December 9. 



Royal Society, at 4.30.— Probable Papers. — Lord Rayleigh : Doubly 

 Refracting Structure of Silica Glass. — Prof. J. W. Nicholson and 

 Prof. T. R. Merton : The Effect of Asymmetry on Wave-Length 

 Determinations.— Prof. T. R. Merton : The Effect of Concen- 

 tration on the Spectra of Luminous Gases. — Prof. E. Wilson : 

 The Measurement of Low Magnetic Susceptibility by an Instru- 

 ment of New Type.— Prof. W. T. David : The Internal Energy of 

 Inflammable Mixtures of Coal-Gas and Air after Explosion. — 

 Prof. A. McAulay : Multenions and Differential Invariants. 



LINNF.AN Society, at 5. — Prof. R. Newstead : Uganda Biology (Lan- 

 tern Lecture). 



I,ONDON Mathematical Society (at Royal Astronomical Society), at 

 5.— S. Beatty : The Algebraic Theory of Algebraic Functions of 

 One Variable. — F. Debono : The Construction of Magic Squares — 

 Prof. A. S. Eddington : An Application of the Calculus of 

 Tensors to the Theory of Finite Differences.— Prof. .k. R. Forsyth : 

 Developable Surfaces through Two Curves in Different Planes. — 

 J. E. Jones : The distribution of Energy in the Neighbourhood 

 of a Vibrating Sphere.— L. J. Mordell : (1) The Reciprocity 

 Formula for the Gauss's Sums in a Quadratic Field. (2) A New 



Class of Dednita IntegralB.— Prof. O. N. WatBon : The Prodoet 

 of Two Hypcrgcometric Functions.— Prof. W. H. Toung : (1) In- 

 tegration over the Area of a Sarfaoe and TranEformation of 

 the Variables in a Multiple Integral. (2) -A New Set of Con- 

 ditions for a Formula for an Area. 



Royal Hocieti or Medicinb (Balneology and Climatology Bmtioa), 

 at 5.15.— Ur. Max Porgea : Mud Baths and Nephritis.- Dr. F. 

 Hernaman-Johnson : The Importance of Combined Methods in 

 Diagnosis and Treatment.- Dr. S. Bnrridge : Some Possible 

 Ill-effects of Barium Waters. 



Insiiiution oe Electrical Enoikeehs (at Institution of Civil 

 Engineers), at 6,— Adjourned Discussion on Papers by W. B. 

 Woodhouse and R. O. Kapp on The Distribution of Electricity 

 and Some Economic -Aspects of E.H.T. Distribution by Under- 

 ground Cables. 



Royal Society or Medicine (Neurology Section), at 8.30. — Dr. F. 

 Buzzard : Tabes, its Early Recognition and Treatment. 

 FRIDAY, December 10. 



Association or Economic Biologists (in the Botanical Theatre, 

 Imperial College of Science), at 2.30. — Exhibition of SpecimenB 

 and Short Communications. — W. J. Dowson : Problems of 

 Economic Biology in British East Africa. — Dr. M. C. Rayner : 

 Nitrogen Fixation in the Ericaceae. 



Royal Astronomical Society, at 5. 



Physical Society of London, at 5.— J. St. V. Pletts : Some Slide 

 Rule Improvements.— F. H. Newman : The Absorption of Oaaea 

 in the Electric Discharge Tube.— F. H. Newman ; A Sodium 

 Vapour Electric Discharge Tube (with Demonstration). — N. A. 

 Allen : The Current-Density in the Crater of the Carbon Arc. 



Royal Society of Medicine (Clinical Section), at 5.30. 



Institution or Mechanical Engineers (Informal Meeting), at 7. 



Technical Inspection Association (at Roval Societv of Arts), at 

 7.30.— Dr. Q. H. Gulliver: Some Feature's of Tensile Fractures. 



Royal Society of Medicine (Ophthalmology Section), at 8.30. 



CONTENTS PAGE 



The Application of Science to Agriculture .... 429 

 Philosophy of Relativitv. By the Right Hon. 



Viscount Haldane, O.M., F.R.S 431 



The Human Hand. By W. \A7 432 



Identification of Monosaccharides. By M. O. F. . 433 



Our Booksh If -434 



Letters to the Editor : — 



The Energy of Cyclones.— Sir Napier Shaw, 

 F.R.S. ; Dr. Haold Jeffreys; L. C. W. 



Bonacina; J. R. Cotter 436 



Luminosity by Attriiion.— Sir E. Ray Lankester, 



K.C.B., F.R S ; Prof. W. J. Sollas, F.R.S. . 438 

 .'Stellar " MagnituHes.— Sir O iver Lodge, F.R S . 438 

 Higher Forestry Education for the Empire.— -Prof. 



E. P. Steb^ing 438 



British Laboratory and Scientific Glassware. — 



Cuthbert Andrt ws ... 44° 



Herediiy.— Dr. R. Ruggles Gates -44° 

 The Mechanics of Solidity.— Reginald G. Durrant 440 

 The Hardening of Metals under Mechanical Treat- 

 ment — J. In-^es 441 



Tube-dwelling Phase in the Development of the 



Lobster.— Prof. W. C. Mcintosh, F R.S. . . 441 

 Contractile Vacuoles.— Prof. Henry H. Dixon, 



F.R.S 441 



Leptocephalus of Conger in the Firth of Clyde.— 



Ri hard Elmhirst ... .441 



Sfiranthes autHm>ialis —'Dx. B. Daydon Jackson . 441 

 Prof. Sherrington's Work on the Nervous System. 



( With Photo ) By Dr. E. D. Adrian 442 



Industriil Re earch Associations. IV. The British 

 Research Assocation for the Woollen and 

 Worsted Industries. By Arnold Frobisher , . . 443 

 Obituary : — 



Prof. Eric Doolittle 445 



Notes 447 



Our Astronomical Column : — 



The Leonid Meteoric Shower 451 



Radiation Pre-sure on Electrons and Atoms . . 45' 



Perturbilions in a Stellar Orbit . . . 451 



Anniversary Meeting of the R -yal Society .... 452 

 The Matkie Ethnological Expedition to Central 



Africa. By E. N. F. ... 454 



The Indian School of Mining and Geology. By 



J. C. B 454 



Unversity and Educational Intelligence 455 



Societies and Academies 456 



Books Received . 459 



Diary of Societies 459 



NO. 2666, VOL. 106] 



