228 



NATURE 



[February i6, 1922 



Circular Disc clamped at its Centre, and the Effects of 

 Rotation.— A. E. Oxley : Magnetism and Atomic Structure. 

 II. The Constitution of the Hydrogen-palladium System and 

 other similar Systems.— T. Carleman and Prof. G. H. Hardy : 

 Fourier's Scries and Analytic Functions. — Prof. k. McAulay : 

 Multcnions and Differential" Invariants. II. and III. 



CHilD-STinr SociKTT (at Roval Sanitary Institute, 90 Buckingham 

 Palace Road. S.W.I), at 6.— A. E. Hayes: Phonoscript. 



Concrete Institlte, at 7.30.— H. K. Dyson : What is the Use of 

 the Modular Ratio? 



FRIDAY, Febbvaky 24. 



AssociATiox OF Economic Bioi.ociisTS (in Botanical Lecture 

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

 Dr. J. Rennie : («) The Present Position of Bee Disease Re- 

 search; (h) Demonstration of Polyhedral Disease in Tipula 

 Species. 



Royal Society of Abts (Joint Meeting of the Dominions and 

 Colonies and Indian Sections), at 4.30.— Prof. W. A. Bone: 

 Brown Coals and Lignites : Their Importance to the Empire. 



Physical Society of London (at Imperial College of Science and 

 Technology), at 5— Dr. H. Levy: The Number of Radio-active 

 Transformations as Determined by Analysis of the Observations.— 

 Prof. C. H. Lees : X Graphical Method of Treating Fresnel's 

 Formulae for Reflection in Transparent Media.— Research Depart- 

 ment of the General Electric Co., Hammersmith : Demonstrations 

 of a Sensitive Method of Determination of Density, etc.— F. C. 

 Dvehe-Teague : Demonstration of the Physical Properties of 

 Cellactite. 



Royal Photographic Society oe Great Britain, at 7.— H. Main : 

 A Pilgrimage to Provence. 



Junior Institution of Engineers, at 8. — E. G. Coker : Curved 

 Beams, Rings, and Chain Links. 



Royal Institition of Great Britain, at 9.— Prof. J. Jolv : The Age 

 of the Earth. 



SATURDAY, February 25. 



Royal Institution of Great Britain, at 3.— Prof. E. A. Gardner: 

 Masterpieces of Greek Sculpture (2). 



PUBLIC LECTURES. 



(.1 number in brackets indiciitvs the number of a lecture 



in a series.) 



THURSDAY, February 16. 



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



Feldman : Foetal Physiology and Foetal Nutrition. 

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



Welsh and Irish Tribal Customs (2). 

 King's College, at 5.30.— Dr. O. Faber : Reinforced Concrete (5).— 



M Beza : Nereids in Roumanian Folklore (2). 

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



W.C.2), at 6.— Dr>. W. K. Sibley: Seborrhoea and Psoriasis 



(Chesterfield Lecture). 



FRIDAY, February 17. 

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



Shaw : The Structure of the Atmosphere and the Meteorology 



of the Globe (5). 

 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 Polarity of Atoms (2). 

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



of Man (2). 

 Tavistock Clinic for Functional Nerve Cases (at Mary Ward 



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



Miller: The New Psychology and its Bearing on Education (4). 



SATURDAY, February 18. 



EoYAL Society of Arts, at 10.30 a.m.— Prof. J. A. Thomson : The 



Migration of Birds (Lectures for Teachers). 

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



School Class (5). 

 Hobniman Museum (Forest Hill), at 3.30.— Dr. E. Jlarion Delf : A 



Botanist in South Africa. 



MONDAY, February 20. 

 Univebsity College, at 5.15.— Sir Gregory Foster : Tlie University 



of London : Its History, Present Resources, and Future Possi- 

 . bilities (2). 

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



Miss Rosa Bassett : The Dalton Plan of Self-education (3). 

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

 ting Valves (5). 



TUESDAY, February 21. 

 Cancer Hospital (Fulham Road, S.W.3), at 4.— Sir Charles Ryall : 



Cancer of the Tongue. 

 School of Orient.al Studies, at 5.— Col. T. C Hodson : The Primi- 

 tive Culture of India (5). 

 Imperial College (Royal School of Mines), at 5.30.— Col. N. T. 



Belaiew : The Crystallisation of Metals (1). 

 King's College, at" 5.30.— F. H. Rolt : Accurate Measurements in 



Mechanical Engineering: The Use and Testing of Gauges (3). 

 London School of Economics and Political Science, at 6.— Sir 



Josiah C. Stamp: The Administrative Factor in Government (2). 

 WEDNESDAY, February 22. 

 School of Oriental Studies, at 12 a.m.— Miss Alice Werner : 



Bantu Mythology and Folklore (3). At 5.— C. 0. Blagden : 



Matriarchy in the Malay Peninsula. 

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



of Freshwater Algal Biology (2). 

 London (H.F.H.) School of Medicine for Women (Hunter Street, 



W.C.I), at 5.— Dr. H. H. Dale: Some Recent Developments in 



Pharmacology (1). 



Hobniman Museum (Forest Hill), at 6.— W. W. Skeat : The Living- 

 Past in Britain (5). 



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

 and Eugenics Laboratories (2).— Miss Ethel M. Elderton : The 

 Inheritance of Intelligence. 



THURSDAY, February 23. 



Infa.nts' 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). 



Kino's College, at 5.30 —Dr. O. Faber: Reinforced Concrete IC). 



St. John's Hospital fob Diseases or the Skin (Leicester Square 

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

 field Lecture). 



BiRi^BECK College, at 8.—Q. Bernard Shaw : The Failure of Edu- 

 cation. 



^ FRIDAY, Febbuaby 24. 



Meteobological Office (South Kensington), at 3— Sir Napier 

 Shaw : The Structure of the Atmosphere and the Metrorologv 

 of the Globe (6). 



Canceb Hospital (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 Functionu- Nerve Cases (at Marv Ward 



Settlement. Tavistock Place, W.C.I), at 5 30.— Dr. H. Crichto-i 



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



SATURDAY, Febbuaby 25. 



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

 School- Class (6). 



Hobniman Museum (Forest Hill), at 3.30.— Dr. W. A. Cunnington : 

 Man's Sphere in Sa.vage Africa. 



NO. 2729, VOL. 109] 



CONTENTS. PAGE 



Research and Education in the Geddes Report . 197 



The Supply of Gaseous Fuel 199 



Mathematical Recreations 2CO 



The Fishing Industry and Scientific Research. 



By J. J. ■ . • 2CI 



Wegener's Displacement Theory 202 



The Earliest Forms of Society 23 



Our Bookshelf . 203 



Letters to the Editor:— 



Test-plates for Microscopes and Microscopic 



Definition. {Illustrated.)— ^.. Mallock, F.R.S. 20=; 



The An'itrades. — Sir Napier Shaw, F.R.S. . . . 206 

 The Isotopes of Mercury. — Prof. T. H. Laby and 



W. Mepham 206 



Where did Terrestrial Life Begin?— J. S. Dines; 



Dr F. J. Allen ... . . . . . 207 



Rainfall and Drainage in 1921.— Prof. James 



Hendrick ... 207 



Scientific Literature for Russia. — Sir R. A. Gregory 



and Dr. C. Hagberg VVright . . . ... 208 



Cvclic Conditions and Rejuvenation in Hydroids. — 



Richprd Elmhirst joS 



Tin Plague and Arctic Relics. — T. Sheppard . . . 209 



A New Series of Spectrum Lines. — F. S. Brackett 209 

 Araucaria imbricata.— Right Hon. Sir Herbert 



Maxwell, Bart.. F.R.S. . . 209 



Some Problems of Long-distance Radio-telegraphy. — 



Dr. J. A Fleming, F.R.S. ... .... 209 



Flowering Dates of Trees alone Main British Rail- 

 way Routes. By J. Edmund Clark 210 



Obituarv : — 



Dr. J F. Bottomley. By Sir R. A. S. Paget, 



Bart 212 



Prof. Max Verworn. By E. P. C 213 



Col. \Villougbbv Verner. By M. C. Burkitt . 213 



Current Topics and Events 214 



Our Astronomical Column : — 



Fireball Obseived in Sunshine . . 217 



A Printing Chronograph 217 



Nova Puppis 1902 217 



Research Items 218 



The Air Conference ... 220 



The Grain of the Photographic Plate. By C. J. . 221 



Building Materials and Heat Insulators 222 



Industrial Fatigue 222 



University and Educational Intelligence 223 



Calendar of Industrial Pioneers 223 



Societies and Academies ..... 224 



Official Publications Received 227 



Diary of Societies 227 



