96 



NATURE 



[March 17, 192 1 



par Prof. W. J. Dakin. — F. Chapmau : Sherbornina : A New 

 Genus of Foraminifera from Table Cape, Tasmania. 



IfOYAL SociEir OF Medicine (Dermatolog-y Section), at 5. — T. C. 

 Benians : The Presence of Catalytic Enzymes as an Aid to Diag- 

 nosis of Hair Infections. 



lloiAL AEBONAUTiCAL SociETi (at Royal Society of Arts), at 5.30. — 

 Capt. D. Nioolson : Flying-Boat Construction. 



Institution of Mining and Metalluhgy (at Geological Society), at 

 5.30.— E. H. Clifford : Scheme for Working the City Deep Mine 

 at a Depth of 7000 feet (adjourned discussion). — A. E. Pettit : 

 Notes and Records of Mining Costs. 



Institction of Electbical Enoineehs (at Institution of Civil 

 Engineers), at 6. — Sir William Noble: The Long-distance Tele- 

 phone System of the United Kingdom. 



Institution of Civil Engineers (Students' Meeting), at 6.30.— 

 J. T. Chalk : Continuous Beams. 



Institution or Adtouobile Engineers (London Graduates' Meet- 

 ing) (at 28 Victoria Street), at 7.30.— H. B. Benny and D. J. 

 Maoklin : Modern Tendencies in Automobile Engine Design. 



SociETT OF Architects fat 28 Bedford Square), at 8.— H. Bagenal : 

 Acoustics. 



IiiUMiNATiNO Engineering Socisti (at Royal Society of Arts), at 8. 

 —Major A. Garrard and Others : Motor-Car Headlights : Ideal 

 Requirements and Practical Solutions. 



Institution of Naval Architects (at Royal United Service Institu- 

 tion), at 8.— Prof. T. B. Abell : A Study of the Framing of Ships. 



ROntobn Society (in Architecture Theatre, University College), at 

 8.15.— Dr. E. A. Owen and Miss Phyllis K. Bowes : X-Ray Dosage, 

 with Special Reference to the Barium Platino-cyanide Pastille. 



Harveian Society (at Town Hall, Paddington Green), at 8.30.— 

 Dr. L. Williams : The Thymus Gland in Everyday Life. 



FRIDAY, March 18. 



Institution of Naval Architects (at Royal United Service Institu- 

 tion), at 11.— K. 6. Kinlay : The Spacing of Transverse Bulkheads. 

 — A. M. Robb : Deflections of Bulkheads and of Ships. — J. J. 

 King-Salter : Some Experiments on Tallows in their Use for the 

 Launching of Ships. 



Royal Society or Medicine (Otology Section), at 5. — J. Faulder and 

 Mr. Colledge : Ears under Modern War Conditions. 



MoNTESSORi Society (at University College), at 5.45.— F. Watts : 

 Common Sense about Intelligence Testing. 



Institution of Mechanical Engineers, at 6. — Prof. E. G. Coker, 

 K. C. Chakko, and M. S. Ahmed : Contact Pressures and Stresses. 



Junior Institution of Engineers, at 8.— T. E. Dimbleby : Hand- 

 operated Appliances for Lifting and Transporting, with Parti- 

 cular Reference to Application in Awkward Circumstances. 



ROTAL Society of Tropical Medicine and Hygiene (at Royal Army 

 Medical College, Grosvenor Road), at 8.15.— Col. P. S. Lelean : 

 Models of Some Sanitary Devices for the Tropics.— Lt.-Col. J. C. 

 Kennedy : The Pathological Histology of Tropical Sore.— Lt.-Col. 

 H. Marrian Perry: A Helminthic Infection in Relation to Bac- 

 terial Invasion of Tissues.— Major F. N. Coppinger : Preliminary 

 Work in Connection with Detoxioated Dysentery Vaccines.- Dr. 

 J. G. Thomson and Dr. A. Robertson : Association of Charcot - 

 Leyden Crystals with Entamoeba histolytica.— Dt. H. St. J. 

 Brooks : Leptospira icteroides and Leptospira icterohaemorrhagiae. 

 —Dr. P. Manson-Bahr : Bacillus colt Infections of Tissues.— Miss 

 B. M. Baxter and Dr. A. J. Eagleton : Can Syringes be Sterilised 

 by Means of Oil?— Dr. A. Castellani and Dr. F. E. Taylor: 

 Identification of Sugars and Other Carbohydrates by a Myco- 

 logioal Method.— 0. A. Hoare : Demonstration of Trypanosomiasis 

 of British Sheep.— Lt.-Col. S. P. James : A Case of Leprosy. 



Royal Society of Medicine (Electro-Therapeutics Section), at 8.30.— 

 Prof. W. D. Halliburton : Physiological Advance : The Importance 

 of the Infinitely Little (The Mackenzie-Davidson Memorial Lec- 

 ture) . 



Royal Institution of Great Britain, at 9.— Sir Frederick Bridge : 

 The Researches of a Musical Antiquarian. 



SATURDAr, March 19. 



British Mycological Society (in Botanv Lecture Theatre Univer- 

 ^i*^^^'*''''^*'^' "■* 11-— Dr. W. Brown :' Studies in the Physiology 

 of Parasitism— A. D. Cotton:. The Ministry of Agriculture's 

 Plant Disease Survey.— Dr. P. Haas: The Use of Carrageen in 

 Place of Agar as a Culture Medium.— Miss A. Lorrain Smith- 

 Lichens and Transmigration.— Mrs. N. L. Alcock : Rhizoctonia 

 Disease of Soots Fir.- Dr. A. S. Home: A Polymorphic Apo- 

 sphseria.— R. Paulson : Protococcus as the Gonidium of a Lichen. 



Royal Institution of Great Britain, at 3.— Sir Ernest Rutherford: 

 Electricity and Matter. 



MONDAY, March 21. 



Institute of Actuaries, at 5.— G. S. W. Epps : Superannuation 

 Funds. 



Royal Society of Arts, at 8.-Major G. W. C. Kave : X-ravs and 

 their Industrial Applications. 



Chemical Industry Club (at 2 Whitehall Court), at S.— Dr. W. R. 

 Ormandy and Others : Discussion on Electric Shadows and Wire- 

 less Telegraphy. 



Royal Society of Medicine (Odontology Section), at 8.— J. G. 

 lurner: The Relation of Dental Sepsis to Rheumatism and 

 Allied Conditions. 



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



TUESDAY, March 22. 



Royal Horticultural Society, at 3.— Mrs. Arber : Some Early 

 Herbals. ■' 



Institution OF Civil Exoineehs, at 5.30.— A. Pcake : The Southern 

 ajttd Western Suburbs Ocean Outfall Sewer, Sydney, New South 

 Wales.— W. E. Bush : The Mnin Drainage of Auckland. 



NO. 2681, VOL. 107] 



Royal Society or Medicine (Medicine Section), at 5.30.— Dr. Farkes 

 Weber: Thrombosis of the Inferior Vena Cava and Both Renal 

 Veins.— Dr. Nathan Raw : The Treatment of Tuberculosis with 

 Attenuated Tubercle Vaccines. 



Mineralogical Society (at Geological Society), at 5.30.— Dr. G. F. 

 Herbert Smith : Linarite, Caledonite, and Associated Minerals 

 from Cornwall.— Prof. H. Hilton : The Vibrations of a Crystal- 

 line Medium.— Prof . R. Ohashi : Augite from Nishigatake, 

 Hizen, Kiu-shu, Japan.— Dr. G. T. Prior : The Adare and 

 Ensisheim Meteorites. — W. Barlow : Model Representing the 

 Atomic Structure of Calcite and Aragonite. 



Zoological Society of London, at 5.30.— The Secretary: Report on 

 the Additions to the Society's Menagerie during the month of 

 February, 1921.— Prof. J. Cossar Ewart : The Nestling Feathers 

 of the Mallard, with Observations on the Composition, Origin, 

 and History of Feathers.— E. T. Newton : Fossil Bird-remains 

 from Sardinia, Corsica, and Greece, collected by Dr. Forsyth 

 Major. — G. C. Robson : The Molluscan Genus Coohlitoma and 

 its Anatomy, with Remarks upon the Variation of Two Closely- 

 allied Forms.— H. E. Andrews : the Oriental Species of the 

 Genus Callistomimus (Coleoptera, Carabidse). 



British Psychological Society (Education Section) (at London 

 Day Training College), at 6.— Miss Barbara Low : Psyoho-Analysis 

 and the Educator. 



Royal Photographic Society of Great Britain, at 7.— V. Poliakoff 

 and Dr. C. T. Hagberg Wright : Russia : Past and Present. 



Faraday Society (at Chemical Society), at 8. — Prof. A. W. Porter : 

 Some Aspects of the Scientific Work of the late Lord Rayleigh 

 (Presidential Address).— W. E. Hughes: The Forms of Electro- 

 deposited Iron and the Effect of Acid upon its Structure. Part I. 

 Deposits from the Chloride Bath.— 8. Field : The Electrolytic 

 Recovery of Zinc— Prof. A. Findlav and V. H. Williams : Notes 

 on the Electrolytic Reduction of Glucose. 



Royal Anthropological Institute, at 8. 15.— Dr. F. G. Crookshank : 

 The Significance of Mongolian Imbecility. 



WEDNESDAY, March 23. 



Geological Society, at 5.30.— E. B. Bailey: The Structure of the 

 South-Wost Highlands of Scotland. 



CONTENTS. PAGE 



University Grants and Needs 65 



Meteorological Physics. By Sir Napier Shaw, 



F.R.S 66 



New American Text-books of Botany. By M. D. . 60 

 Theban Tombs. By Prof. W. M. Flinders Petrie . . 70 



Our Bookshelf . 70 



Letters to the Editor: — 



The Internalionaf Research Council. — Sir Arthur 



Schuster, F.R.S 72 



The Constitution of the Alkali Metals. — Dr. F. W. 



Aston 72 



The Designation of Vitamines. — Prof. Henry E. 



Armstrong, F.R.S. 72 



Relativity and the Velocity of Light. — Sir Oliver 



Lodee, F.R.S. . , . 73 



The Peltier Effect and Low-temperature Research. — 



Sir Oliver Lodere, F.R.S. . 73 



The Nature of the Emulsoid Colloid State.— Dr. S. E. 



Sheppard ; Prof. James W. McBain . 73 



The Production of Living Clavellina Zooids in Winter 



by Experiment. — Dr. J. H. Orton .... 75 



The Elementary Particle of Positive Electticity. — Prof. 



Andrew H. Patterson 75 



New Studies of Sun-fishes made during the " Dana " 

 Expedition, 1920. {Illustrated.) By Dr. Jobs. 



Schmidt . 76 



Electrons. {With Dias;ram.) By Sir William Bragg, 



K.B.E., F.R.S. . .' 79 



Obituary : — 



The Rt. Hon. Lord Moulton of Bank, F.R.S. 



By Dr. R. C. Farmer 82 



Baron T. Kikuchi. By E. R 83 



Notes 84 



Our Astronomical Column : — 



The Fireball of March 2 88 



The Rotation of Venus 88 



A Simplified Calendar Reform . ... . . 88 



The Inheritance of Acquired Characters. By Dr. R. 



Ruggles Gates 89 



Home-grown Wheat 89 



Hydrography of the Nile Basin 90 



University and Educational Intelligence . . 90 



Calendar of Scientific Pioneers 92 



Societies and Academies 92 



Books Received .... 95 



Diary of Societies ........ 95 



