26o 



NATURE 



[February 23, 1922 



Copper. Part III.— Dr. G. B. Jeffery : The Motion of Ellipsoidal 

 Particles immersed in a Viscous Fluid.— Dr. G. B. Jeffery : The 

 Rotation of Two Circular Cylinders in a Viscous Fluid. 



LiNNEAN Society of Londo.v, at 5.— R. E. Holttum : The Flora of 

 Greenland.— J. Walton : The Ecology of the Flora of Spitsbergen. 

 —Sir \V. A. Herdman : " Spolia Runiana," V. 



Royal Aehonaitical Society (at Royal Society of Arts), at 5.30.— 

 W. D. Douglas : Testing Aircraft to Destruction. 



Institution of Electeical Engineers, at 6.— DisouBsion on 

 Starters : Introductory Papers bv C. H. Wordingham : The 

 B.E.8.A. Specifications f<ir Starters.— J. Anderson: Electric 

 iV'otor Starters.— W. Wilson : Some Notes on the Design of 

 Liquid Rheostats. 



Chemical Society, at 8. 



Roval Society of Medicine (Obstetrics and Gynsecology Section 1, 

 at 8 — G. .Luker : K Wanderin? Silk Suture Removed from the 

 Urethra as a Sequel to Csesarean Section. — Dr. C. D. Lochrane : 

 Decidual Reactiin in Adenomyoma of Vaginal Wall.— Dr. R. A. 

 Gibbons : Sterility with Reference to the State. 



FRIDAY, March 3. 

 Royal Society of Medicine (Laryngology Section), at 4.45.— E. M. 



Woodman, Dr. Reginald Morton, and others : Discussion on The 



Treatment of Jtalignant Growths of the Nasal Accessory Sinuses. 

 Royal Astronomical Society, at 5. — Geophysical Discussion on The 



Depth of Earthquake Foci. Chairman : Sir Frank Dyson. 



Sneakers : Prof. H. H. Turner, Dr. J. W. Evans, Dr. Dorothy 



Wrinoh, Dr. H. Jeffreys. 

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



—A, V. Bale : Spiral Bevel v. Straie-ht-tootK Bevel. 

 Junior Institution oj Engineers, at 8 — E. T. Elbourne : Factory 



Administrati>on. 

 Rotal Society of Medicine (Anaesthetics Section) (Annual General 



Meeting), at 8.30.— Dr. Z. Jlennell : Anaesthesia in Intracranial 



Surgery. 

 Royal Institution of Great Britain, at 9 —Dr. C. M. Wenyon : 



Microscopic Parasites and their Carriers. 



SATURDAY, March 4. 



Institution of Locomotive Engineers fat Caxton Hall, S.W.I), 

 at 2.15. — J. Clayton : Lubrication of the Modern Locomotive. 



Royal Institution of Gheat Britain, at 3.— Sir Ernest Ruther- 

 ford: Radio-activity (1). 



PUBLIC LECTURES. 



(A number in brackets indicates the number of a lecture 

 in a series.) 



THURSDAY, Februaiy 23. 



Inf.ints' Hospital (Vincent Square, S.W.I), at 4.— Dr. W. M. 

 Feldman : The Physiology and Pathology of the New Born ; 

 Initial Loss of Weight : Icterus Neonatorum. 



University College, at 5.15 —Prof. J. E. G. de Montmorency : 

 Welsh and Irish Tribal Customs (3). 



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



St. John's Hospital for Diseases of the Skin (Leicester Square, 

 W.C.2), at 6 —Dr. W. Griffith : The Bullous Eruptions (Chester- 

 field Lectured 



BiRKBECK College, at 8.— G. Bernard Shaw: The Failure of Edu- 

 cation. 



FRIDAY, February 24. 



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

 Shaw : The Structure of the Atmosphere and the Meteorology 

 of the Globe (6^. ^' 



Cancer Hospit.al (Fulham Road, S.W.3), at 4.— W. E. Miles: Cancer 

 of the Rectum. 



University College, at 5.— Prof. G. Elliot Smith: The Evolution 

 of Man (3). 



Tavistock Clinic for Functional Nerve Cases fat Marv Ward 

 Rottlement. T-vistock Place. W.C.IK at 5.30.— Dr. H. Crichtnn 

 Miller: The New Psychology and its Bearing on Education (5). 



SATURDAY, February 25. 



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



School Class (6). 

 Hoi?NiMAN AfusEUM fForcst Hiin. at 3.30.— Dr. W. A. Cunnington : 



JIan s Sphere in Savage Africa. 



MOXDAY, February 27. 



City of London fBovs') School (Victoria Embankment), at 5.30. 



—Miss Rosa Bassett: The Dal«Dn Plan of Self-education (4). 



TUESDAY, February 28. 

 Imperial Cottege— Royat, School of ;Mines. at 5.30.— Col. N. T 



Belaiew ; The Crystallisation of Metals (2). 

 LovDON School o*' Economics and Political Science, at 6— Sir 



Josiah Stamp: The Administrative Factor in Government (3). 



WEDNESDAY, March 1. 

 E.\ST London College, at 4 —Prof . F. E. Fritch : Certain Aspects 



of Freshwater Algal Biology (3). 

 London fR.F.H.) School of Medicine for Women, at 5. Dr. H. H 



Dale : Some Recent Developments in Pharmacology (2) 

 HoRNiMAN INlusEUM fForcst Hill), at 6.— W. AV. Skeat : The Livino- 



Past in Britain (6). 

 University College, at 8.— The Current Work of the Biometric 



and Eugenics Laboratories f3).— Dr. P. Stocks: Scheme of 



Anthropometric ileasurements in the Biometric Laboratory. 



NO. 2730, VOL. 109] 



THURSDAY, March 2. 

 Infants' Hospital (Vincent Square, S.W.I), at 4.— Dr. W. M. Feld- 

 man : The Physiology of the Infant (1) 

 School of Oriental Studies, at 5.— Dr. L. D. Barnett : The Hindu 



Culture of India (1). 

 University College, at 5.15.— Prof. J. E. G. de Montmorency : 



Welsh and Irish Tribal Customs (4). At 5.30.— Dr. C. Pellizzi : 



Giardano Bruno in Inghilterra (In Italian). 

 King's College, at 5.30.— Dr. O. Faber: Reinforced Concrete (7). 

 St. John's Hospital for Diseases of the Skin (Leicester Square, 



W.C.2), at 6.— Dr. W. Griffith: The Treatment of Skin Diseases 



(Chesterfield Lecture). 

 Civic Education League (at Leplay House, 65 Belgrave Road, 



S.W.I), at 8.15.— Miss Margaret Tatton and others: Discussion 



on Art in Re]atil)n to Education. 



FRIDAY, March 3. 

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



Shaw: The Stiucture of the Atmosphere and the Meteoro\)gy of 



the Globe (7). 

 University College, at 5.— Prof. G. Elliot Smith : The Evolution 



of Man (4). 

 Tavistock Clinic for Functional Nerve Cases (at Mary Ward 



Settlement. Tavistock Place, W.C.I), at 5.30.— Dr. H. Criohton 



Miller: The New Psychology and its Bearing on Education (6). 



SATURDAY. March 4. 

 Polytechnic (Regent Street. W.l), at 10.30 a.m.— Prof. A. Harden: 



Vitamins. 

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



School Class (7). 

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



Dragon-flies and their Life-history. 



CONTENTS. PAGE 



The Function of English in Scientific Education 229 

 Calcium Carbide and the Board of Trade, By 



H. E. A 230 



The Pioneer of Non-Euclidean Geometry .... 232 



The Structure of East Africa. By G. W. L. . . 233 



The Quantum Theory 234 



Our Bookshelf 235 



Letters to the Editor:— 



Transport of Organic Substances in Plants. — Prof. 



Henry H. Dixon, F.R.S., and Nigel G. Ball . 236 

 Lunar Periodicity in Reproduction. — H. Munro 



Fox . .... 237 



Research Degrees and the University of London. — 



Dr. A. Morley Davies ... .238 



The Accuracy of Tide-predicting Machines. — Dr. 



A. T. Doodson . . . . 239 



The Brittleness of Ice at Low Temperatures. — L. 



Hawkes 240 



Age Incidence of Influenza. — Annie D. Betts ; The 



Writer of the Article ... 240 



Dr. Frank Hoitomley.— James Thomson .... 240 

 Thermo-electric Instrument for Measuring Radiation 



from the Sky. — Lewis F. Richardson 240 



The Mechanism of Heredity. — I. {i-Vith Dtdgrafiis.) 



By Prof. T. H. Morgan 241 



Obituary : — 



Prof. Giacomo Ciamician. By Sir T. E. 



Thorpe, C.B., F.R.S 245 



Current Topics and Events 247 



Our Astronomical Column : — 



Detonating Fireball in Sunshine 249 



Movements in Spiral Nebulae 249 



Research Items 250 



The Standardisation of Radmm Ampoule for 



Therapeutic Use. {Illustrated.) 252 



Life-cycles of Bacteria 252 



Miners' Lamps 253 



Pebrine in Silkworms . 253 



University and Educational Intelligence . . 254 



Calendar of Industrial Pioneers 255 



Societies and Academies ... ... 255 



Official Publications Received 259 



Diary of Societies 259 



