7i6 



NATURE 



[February 26, 1920 



DIARY OF SOCIETIES. 



THURSDAY, Feiikuary 26. 



Royal Institution of Great ]Iritain, at 3.— A. H. Smith: Illustra- 

 tions of Ancient Greek and Roman Life in the British Museum. 



Royal Sociktv, at 4.30. — Frobahle Papers: L. V. Richardson; Some 

 Measurements of Atmospheric Turbulence. — W. G. DufSeld. T. H. 

 Biirnham, and A. A. Davis : The Pressure upon the Poles of Metallic 

 Arcs, including Alloys and Composite Arcs.— J. H. Hyde : The 

 Viscosities and Compressibilities of Liquids at High Pressure. — 

 A. Russell ; The Capacity Coefficients of Spherical Conductors. — 

 C. Cuthbertson and Maude Cuthbertson : 'Ihe Refraction and Dispersion 

 of Carbon Dioxide, Carbon Monoxide, and Methane. — A. A. Griffith: 

 n he Phenomena oi Rupture and Flow in Solids. 



Institution or Electrical Engineers, Rontgen Society, and Royal 

 Society of Medicine (Electro-Therapeutics Section)(at Royal Society 

 of Medicine), at 5 and 8. i5(Ioint Discussion on Electrical Apparatus in 

 relation to X-rays). — Dr. R. Morton : The Efficiency of High-Tension 

 Transformers as used for X-ray Purposes. — Major C. E. S- Phillips ; The 

 Problems of Interrupted and Fluctuating Currents. — R. S. Wright : High- 

 Tension Transformers. 



Cold Storage and Ice Association (at Royal Society of Arts), at 5. — 

 H. J. Deane : The Development of the Cold Storage of the Port of 

 London Authority. 



Royal College of Physicians, at 5.— Pr. A. Castellani : The Higher 

 Fungi in relation to Human Pathology (Milroy Lecture). 



Royal In.stitute of Public Health, at 5.— Dr. W. E. C. Dickson: 

 Some Pathological Aspects of Tuberculosis. 



Concrete Institute (at Vauxhall Bridge Road), at 7.30.— E. K. W. 

 Grimshaw : Reinforced-Concrete Fences and Posts. 



Society of Antiquaries, at 8.30. 



FRIDAY, February 27. 

 Royal Society of Medicine (Study of Disea,se in Children Section), 



at 4.30. — Dr. Mellanby and Others: Discussion on The Influence of 



Accessory Food Factors (Vitamine) in Infant Feeding. 

 Physical Society, at 5.— T. Smith: The Balancing of Errors.— Dr. N. W. 



McLachlan : The Testing of Bars of Magnet Steel.— G. D. West : 



The Forces Acting on Heated Metal Foil Surfaces in Rarefied Gases. — 



Miss N. Hosali : Exhibit of Models of Crystals. 

 In-stitution of ■ Mechanical Engineers (Informal Meeting), at 7. — 



Y. W. C. Dean and Others : Discussion on The Education of the Eneineer. 

 Junior Institution of Engineers, at 7.30.— R. H. Kenyon : Defects 



found on Inspection of Boilers. 

 WiRELPSs Society of London (at Royal Society of Arts), at 8. — 



A. A. Campbell Swinton : Some Wireless Wonders(Presidential Address). 

 Royal Society of Medicine (Epidemiology and State Medicine Section), 



at 8.30. — Dr. M. Young ; An Investigation into the Periodicity of Epi- 

 demics of Whooping Cough from i87otoi9ioby means of the Periodogram. 



Royal Institution OF Great Britain, at 9.— W. B. Hardy: Problems 

 of Lubrication. 



SATURDAY, February 28. 



Royal Institution of Great Britain, at 3.— Sir J. J. Thomson: 

 Positive Rays. 



MONDAY, March i. 

 Institute of Chemistry of G^eat Britain and Ireland, at 4.30.— 



Annual General Meeting. 

 Royal In.stitution of Great Britain, at 5.— General Meeting. 

 Society of Engineers (at Geological Society), at s.30.— R. H. 



Cunningham : Some Engineering Work done by the 277th Railway Coy. 



(R.E.) in Franceand Belgium during the War. 

 Institution of Electrical ENGiNEERs(lnformal Meeting) (at Chartered 



Institute of Patent Agents), at 7 — K. E. Dickinson: The Future of 



Labour in the Engineering Industry. 

 Royal Institute of British Architects, at 8.— H. Austen Hall: 



The Planning of American Departmental Stores. 

 Royal Society of Arts, at 8.— C. F. Cross: Recent Researches in 



the Cellulose Industry (Cantor Lecture). 

 Society of Chemical Industry and Faraday Society fat Chemical 



Society), at 8.— Dr. T. M. I.owry and F. C. Hemn.ings: (i)Thc Caking 



of Salts and Other Crystalline Subst.mces. (2) The Setting of Dental 



Cements. 

 Royal GEOCRAfHiCAL Society (at ^olian Hall), at 8.30.— Lt. E, W. P. 



Chinnery : The Opening of New 1 erritories in Papua. 

 Medical Society of London, at g.— Dr. H. R. Spencer : Tumours 



complicating Pregnancy, Labour, and the Puerperium (Lettsomian 



Lecture). 



TUESDAY, March 2. 

 Royal Institution of Great Britain, at 3.— Prof. A. Keith : British 



Ethnology— The Invaders of England. 

 Royal United Service Institution, at 3.— Anniversary Meeting. 

 Royal Society of Arts (Colonial .Section), at 4.30.— G. F. .Scott Elliot : 



Trade Routes for the Empire in Africa. 

 Royal College of Physicians, at 5.— Dr. A. Castellani : The Higher 



Pungi in relation to Human Pathology (Milroy Lecture). 

 Royal Photographic Society of Great Bkitain (Lantern Meeting), 



at 7.— Miss Olive Edis : Women on Active Service during the War in 



France and Flanders. 

 Rontgen Socie-^v (at Royal Society of Medicine), at 8.— Prof. W. H. 



Br.igg : Analysis by X-rays (Silvanus Thompson Memorial Lecture). 

 WEDNESDA Y, March 3. 

 Royal Society of Arts, at 4.30.— W. J. Garnett : Mongolia from the 



Commercial Point of View. 

 Royal Afronautical Society (at Royal Society of Arts), at 8.— Prof. 



B. Melvill Jones : Flying over Clouds in relation to Commercial Avi,ition. 

 Institution of Automobile Engineers (at Institution of Mechanical 



Engineers), at 8.— P. J. Worsley : Gears and Gear-cutting. 



Society of Public Analysts and Other Analytical Chemists (at 

 Chemical Society), at 8.— C. Ainsworth Mitchell: The Detection of 

 Fingerprints on Documents.— C. J. Ward : Photomicrography with 

 Simple Apparatus.— R. V. Wadsworih : The Solubilities of Theobromine 



Entomological .Society, at i,.— Prohalili Pa^cr: G. J. Arrow: 

 Sexual Dimorphism in Coleoptera (with lantern slides.) ' 



THURSDAY, March 4. 

 RovAL Institution of Great Britain, at 3.— Lt.-Col. E. Gold: 



The Upper Air : (1) Modern Methods of Investigation, and their 



Application in the War. 

 Royal Society, at 4.30. 

 Linnean Society, at 5.— Dr. A. B. Rendle, E. G. Baker, and S. L. 



Moore : A Contribution to the Flora of New Caledonia, based on the 



Collections of R. H. Compton in 1Q14. 

 Royal College op Physicians, at 5.— Dr. A. Castellani : The Higher 



Fungi in relation to Human Pathology (Milroy Lecture). 

 Chemical Society, at B. 



FRIDAY, March 5. 

 Royal Astronomical SrKiETV, at 5.— (.\ Geophysical Discussion.) 



J. dc Graaf Hunter and Others : The Earth's Axes and Figure. 

 Concrete Institute (at 296 Vauxhall Bridge Road), at 6.— E. S. 



Andrews : Some Properties of .Steel. 

 Institution of Electrical Engineers (Students' Meeting) (at City and 



Guilds (Engineering) College), at 7.— Roger T. Smith: Presidential 



Address. 

 Royal Institution of Great Britain, at 9.— Hon. J. W. Fortescue: 



Military History. 



SA TURDA Y. March 6. 

 Royal Instiiution of Great Britain, at 3.— Sir J. J. Thomson: 



Positive Ravs. 



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NO. 2626, VOL. 104] 



CONTENTS. 



Meteorology and the State 



The Birth of Oceanography. By Prof. D'Arcy 'W. 



Thompson, C.B., F.R.S 



Industrial Psychology. By H. M. 'V 



Criminology and Nervousness 



Practical Chemistry. By C. J 



A Mathematician's Miscellany. By N. R. C. ... 



Our Bookshelf ... 



Letters to the Editor:— 



Organisation -of Scientific 'Work. — Prof. Frederick 



Soddy, F.T?.S. ; Dr. A. B. Rendle, F.R.S. . 

 Gravitational Deflection of High-speed Particles. — 



Leigh Page 692 



Biological Science in Secondary Schools. — Prof. 



Sydney J. Hickson, F.R.S 693 



Change of Colour in Captive Birds. — Right Hon. 



Sir Herbert Maxwell, Bart., F.R.S 693 



Volcanic Rocks in Northern Kordofan, Sudan. — 



W. Campbell Smith . . 693 



Scientific Workers and a Naiional Federation. — 



Major A. G. Church 



Cotton Orowing in the British Empire. By Sir 



George Watt , . . 



Industrial and Medical Radiology. (Illustrated.) 



By Dr.. G. 'W. C. Kaye 



Rear-Admiral R. E. Peary, U.S.N. By H. R. M. . 



Robert Etheridge. By A. S. 'W 



Notes 



Our Astronomical Column : — 



Holmes's Comet 704 



Minor Planet GM 704 



Nova in Lyra 704 



Tides in Pipes 705 



Luminosity in Centipedes. By T. R. R. S 705 



The Position of the Meteorological Office . ... 705 



Pre-history of Man in Britain 706 



Recent English Marine Biology. By J. J 707 



The Red Colouring Matter of Plant Galls 707 



Ions and lonisation 707 



The Species Concept among Fungi 708 



The Upper Limit of Unpleasant Beats 708 



Researches at High Temperatures and Pressures. 

 (Illustrated.) II. By The Hon. Sir Charles A. 



Parsons, K.C.B., F.R.S 709 



University and Educational Intelligence .... 712 



Societies and Academies 712 



Books Received 715 



Diary of Societies . 716 



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