96 



NATURE 



[January 19, 1922 



TUESDAY, Januart 24. 



KorAi, LvsTiTiTioN OF Gbeat Britain, at 3.— Dr. V. H. A. Mar- 

 shall: Physiology as Applied to Agriculture (2). 



Newcomex Society (at Caxton Hall), at 5.— Dr. T. E. Jones : 

 Mechanics of Engineering from the Time of Aristotle to that 

 of Archimedes. 



Royal Society of Medicine (Medicine Section), at 5.30.— Dr. C. 

 Boulton, Sir Cuthbert Wallace, Dr. Ryffel, and Dr. A. B. Bar- 

 clay : Discussion : The Diagnosis of Gastric Ulcer. 



Institution of Civil Enoineebs, at 6. — A. W. llendell : Control 

 of Trains, in Relation to Incrensod Weight and Speed Com- 

 bined with Reduced Headway.— Sir Henry Fowler and H. N. 

 Gresley : Trials in Connection with the Application of the 

 Vacuum-brake for Long Freight Trains. 



Women's Engineering Society (at 26 George Street, W.l), at 6.15. 

 —Miss Gwynne Howell : Domestic Engineering. 



Royal Photographic Society of Great Britain, at 7. — C. M. 

 Thomas : The Plate and the Photographer. 



Institute of Indistrial Amiinistration (at London School of 

 Economics), at 8.— J. M. Fells: Industrial Economics in Rela- 

 tion to the Bearing on National Welfare of the Ascertainment 

 of Cost, with discussion by Sir Lynden Macassey, Sir James 

 Martin, and others. 



Royal Anthropological Institute, at 8.15.— Anniversary Meeting. 



WKDNESDAY, January 2.'). 



Royal C'oLLior of Surgeons of England, at 5.— Sir Arthur Keith : 

 Hunterian I,ecture : The Study of Certain Aberrant Types : 

 Bushmen, Eskimo, Lapp, and Ainu. 



Institute of Chemistry (London and South-Eastern Counties 

 Section) (at 30 Russell Square, W.C.I), at 6.— Exhibition of 

 Apparatus other than Glassware. 



Institution of Civil Engineers (Students' Meeting), at 6.— K. W. 

 Monkhouse : The Economic Aspects of Various Methods of Power- 

 transmission. 



Royal Society or Arts, at R.— H. M. Edmunds : Photo-sculpture. 



Royal Society of Medicine, at 9.— Prof. G. Elliot Smith : The 

 Rhodesian Skull. 



THURSnAT, January 26. 



Royal Institution of Great Britain, at 3. — S. Gordon : Sea Birds 

 and Seals. 



Royal Society, at iM.—Prohahle Papers.— \V. B. Hardy and Ida 

 Doubleday : Boundary Lubrication : The Paraffin Series. — Prof. 

 W. A. Bone, A. R. Pearson, E. Sinkinson, and W. E. Stockings : 

 Researches on the Chemistry of Coal. Part 2: The Resinic 

 Constituents and Coking Propensities of Coals. — Dr. J. A. 

 Crowther and B. J. Schonland : The Scattering of j3-rays. — 

 Ann C. Davies : The Minimum Electron Energies associated with 

 the Excitation of the Spectra of Helium. — C. N. Hinshelwood. 

 H. Hartley, and B. Topley : The Influence of Temperature on 

 Two Alternative Modes of Decomposition of Formic Acid.^ — 

 Prof. C. V. Raman : The Molecular Scattering of Light in 

 Water and the Colour of the Sea. 



Concrete Institute, at 7.30.— E. B. MouUin : Capillary Canals in 

 Concrete, and the Percolation of Water through Them. 



Royal Microscopical Society (Metallurgical Section), at 7.30.— 

 H. Wrighton : Demonstration of Polishing ^letal Specimens. 



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



FRIDAY, January 27. 

 Association of Economic Biologists (in Botanical Lecture 



Theatre. Imperial College of Science and Technology), at 2.30.— 



Prof. E. p. Stubbing and others : Discussion : The Importance 



of .Scientific Research in Forestry and its Position in the 



Empire. 

 Royal Society of Arts (Indian Section), at 4.30.— A. L. Howard: 



The Timbrrs of India and Burma. 

 Physical Society of London (at Imperial College of Science and 



Technology), at 5. 

 Royal College of Surgeons of England, at 5. — Sir Arthur Keith : 



Hunterian L^C-ure : The Facial Characteristics of the Races 



native to India. 

 Junior Institution of Engineers, at 8.— L. M. Jockel : Fuels 



and the Boiler-house. 

 RoY.*L Institution of Great Britain, at 9.— Viscount Burnham : 



Journalism. 



SATURDAY, January 28. 

 Essex Field Club (in Phvsical Lecture Theatre, West Ham 



Municipal College), at 3— C. Nicholson: The Rosy-Marbled Moth 



(Erastria veiiustula) in Britain (with special reference to Essex). 



— G. Morris : Some Neolithic Sites in the Vallev of the Essex 



Cam. 

 Royal Institution of Great Britain, at 3.— Dr. C. Macpherson : 



The Evolution of Organ Music (2). 



PUBLIC LECTURES. 



(.1 number in bracl-its indicates the number of a lecture 

 in a series.) 

 THURSDAY, January 19. 

 King's College, at 5.30.— Dr. 0. Faber : Reinforced Concrete (1). 

 St. John's Hospital for Dise.4sf.s of the Skin, at 6.— Dr. W. 

 Griffith : Diseases of the Skin Appendages (Chesterfield Lec- 

 ture). 



FRIDAY, January 20. 

 Meteorological Office, South Kensington, at 3.— Sir Napier 

 Shaw : The Structure of the Atmosphere and the Meteorologv 

 of the Globe (1). 

 Middlesex Hospital :Medical School, at 3.— Sir James Kingston 

 Fowler: Diagnosis (Emeritus Lecture). 



King's College, at 5.— Prof. R. Robinson : Orientation and Con- 

 jugation in Organic Chemistry from the Standpoint of the 

 Theories of Partial Valency and of Latent" Pola;rity of Atoms (li 

 King's College, at 5.30.— Rev. Dr. F. A. P. Aveling : Matter 

 Mind, and Man. 



SATURDAY. January 21. 

 University College, at 10.30 a.m.— A. Chaston Chapman : Yeast : 



What it is, and what it does (Lecture for Teachers). 

 London Day Training College, at 11 a.m.— Prof. J. Adams : The 

 School Class (1), 



MO\D.[Y. January 23. 

 King's College, at 5.30. — Prof. C. L. Fortescue : Wireless Transmit 

 ting Valves (1). 



TUESDAY, January 24. 



Kino's College, at 5.30. — P. H. Rolt : Accurate Measurements in 

 Mechanical Engineering: The Use and Testing of Gauges (1). 



^yED^ESDAY, January 25. 

 HORNIMAN JfrsEUM (Forcst Hill), at 6.— W. W. Skeat : The Liviny 

 Past in Britain (1). 



THURSDAY, January 26. 



University Colleg;:. at 5.15. — B. S. llowntree : Industrial Unrest. 



King's College, at 5.30. — Dr. O. Faber: Reinforced Concrete (2). 



St. John's Hospital for Diseases of the Skin, at 6. — Dr. W. K. 



Sibley: Alopecia and its Treatment (Chesterfield Lecture). 



FRIDAY, January 27. 

 Meteorological Office (South Kensington), at 3.— Sir Napier 



Shaw : The Structure of the Atmosphere and the Meteorologv 



of the Globe (2). 

 Tavistock Clinic for Function.\l Nerve Cases (at the Mary Ward 



Settlement. Tavistock Place), at 5.30.— Dr. H. Crichton Miller: 

 • The New Psychology and its Bearing on Education (1). 



SATURDAY, Januabi 28. 

 London Day Training College, at 11 a.m. — Prof. J. Adams : The 



School Class (2). 

 HORNIMAN Museum (Forest Hill), at 3.30.— F. Balfour-Browne : 



The Life and Habits of Mason Bees. 



CONTENTS. PAGE 



British Scientific Instruments 65 



The History of Zeeman's Discovery, and its Recep- 

 tion in England. By Sir Oliver Lodge, F.R.S. . 66 

 The Kaiser Wilhelm Institute ...... 69 



Fish Preservation. By Prof. J. Stanley Gardiner, 



.S. 

 Our Bookshelf 

 Letters to the Editor: 



Generalised Lines of Force. 



F.R.S 74 



Units in Aeronautics. — Sir G. Greenhill, F.R.S. . . 74 



Space and ^ther.— S. V. Ramamurty 75 



Anisotropy of Molecules.— Prof. C. V. Raman . . . 75 

 The Resonance Theory of Hearing.--Dr. H. Hart- 

 ridge . . . 76 



A Cuiious Physiological Phenomenon.— J. H. Shaxby 77 

 Structures and Habiis Associated with Courtship. — 



Dr. J. C. Mottrsm 77 



Spontaneous Ignition of Peaty Soils.— E. A. Andrews 77 

 Microscope Illumination and Fatigue. — H. J. 



Denham 7^ 



Tin Plague and Arctic Relics.— T. Sheppard . ... 78 



Inheritance of a Cheek-Mole.— G. W. Harris . • . 78 



War Against Insects. By D-. L. O. Howard . 79 

 What the Public Wants: A Study of the American 



Museum of Natural History. {Ilbistrated) ... 81 

 Obituary: — 



Dr. Edward Hopkinson, M.P. By Sir Napier 



Sbaw, F.R.S 82 



Sir William Matthews, K.C.M.G 83 



Notes 84 



Our Astronomical Column : — 



The Origin of Binary Stars 89 



The Orbit of Castor' 89 



Spectrum of o Cygni 89 



Congress of Philosophy in Paris 90 



Geographical Outlooks 91 



The Bow in Homeric Times 91 



University and Educational Intelligence . • 92 



Calendar of Industrial Pioneers 93 



Societies and Academies .... 93 



Official Publications Received 95 



Diary of Societies 95 



NO. 2725, VOL. 109] 



