128 



NATURE 



[January 26, 1922 



RoiAL Photogeaphic Society of Gbkat Britain, at 7.— H. H. 



Wrench : Our Old Tillage Churches and their Story. 

 Illuminating Enoineeeing Societt (Joint meeting- with the Royal 



Aeronautical Society) (at Royal Society of Arts), at 8.— Lt.-Col. 



L. F. Blandy and others : Discussion : The Use of Light ae an 



Aid to Aerial Navigation. 



yVEBSESDAY , Pebkuari 1. 

 Oeological Society of London, at 5.30. — 0. E. N. Bromehead : 



Some Notes on the New 6-inoh Geological Survey of London 



and the Influence of the Geology on the History of the Area. 

 Royal Society of Medicine (Surgery Section), at 5.30. — Major 



H. D. Gillies : Demonstration of Plastic Surgery. 



INSTITITION OF ELECTRICAL ENGINEERS (WirclcSS Scctiou), at 6. — 



Major J. Erskine-Murray : (a) The Determination of the Decre- 

 ment of a Distant Sending Station; (6) Some New Methods of 

 Radio-Navigation. 



ENTOMOLOGICAL SOCIETY OF LONDON, at 8. 



KoTAL Society of Arts, at 8. — A. Wiloock : Surface Printing by 

 Rollers in the Cotton Industries : A Comparison with other Pro- 

 cesses of Printing Patterns for Cretonnes, Dress Materials, 

 Wallpapers, etc. 



Society of Pvblic Analysts and other .Analytical Chemists (at 

 Chemical Society), at 8. — J L. Lizius and N. Evers : Studies in 

 the Titration of .\cids and Bases. — Dr. .T. C. Drummond and 

 k. F. Watson : The Sulphuric Acid Reaction for Liver Oils and 

 its Significance. —W. Dickson and W. C. Easterbrook : The Quan- 

 titative Separation of Nitrobody Mixtures from Nitro-glycerine. 

 THTTJtSnAY. Pebbcary 3. 



HoYAL Institvttov OF Gre.at BRITAIN, at 3.— Sir Napier Shaw : 

 DrouE-hts and Floods (1). 



T^OYAL Society, at A.ZQ.—Prnhahle Papers.— C. Shearer: The Oxida- 

 tion Processes of the Echinoderm Egg during Fertilisation. — 

 .T. Schmidt : The Breeding Places of the Eel.— J. Gray : The 

 Mechanism of Ciliarv Movement. — J. Gray : The Mechanism of 

 Ciliary Urovement. II. The Effect of Ions on the Cell Mem- 

 brane.— J. S. Huxley and L. T. Hogben : Experiments on Am- 

 nhibian ■>fptamorphosis and Pigment Responses in Relation to 

 Internal Secretions. 



LiNNEAN Society of London, at 5.— F. Johanssen: The Canadian 

 Arctic Expedition.— Dr. J. C. Willis and U. Tule : Some Statis- 

 tics of Evolution and Distribution in Plants and Animals, and 

 their Significance.— Mrs. E. M. Reid : Note on Fossil Floras. 



HOYAL Society of Medicine (Medicine Section), at 5.— Discussion on 

 the Treatment of Gastric Ulcer. Speakers: Sir William Hale- 

 White, Sir William AVillcox, Sir Berkelev Movnihan, and Mr. 

 Sherren. 



Institctiox of Electrical Engineers, at 6.— L. J. Romero and 

 ,T. B. Palmer: The Interconnection of A.C. Power Stations. 



Chemical Society, at 8.— E. J. Hartung : The Action of Lisrht on 

 Silver 'Bromide.— C. K. Insrold : The Structure of the Benzine 

 Nucleus. Part I. Intra-nuclear Tautomerism.— C. K. Ingold : 

 The Structure of the Benzine Nucleus. Part II. Synthetic 

 Formation of the Bridged Modification of the Nucleus.— C. K. 

 Ingold and H. A. Piggott : The Structure of the Benzine 

 Nucleus. Part III. The Suppression of Intra-nuclear Change. 

 FRIDAY. February 3. 



Royal Society of Medicine (Larvngologv Sectioni, at 4.45. 



Hoyal Astronomical Society, at 5.— Geophysical Discussion on the 

 Depth of Origin of Earthquakes. Prof. Love in chair. Speakers : 

 Prof. Turner. Prof. Lamb. R. D. Oldham, Dr. H. Jeffrevs. 

 Prof. Knott. Dr. C. Davison, and Maior Tavlor. 



T?OYAL COLIFOE OF SCHGEONS OF ENGLAND, at 5— Prof. K. M. 



Walker : The Nature and Cause of Old Age Enlargement of 



the Prostate (Hunterian Lecture). 

 Etgf.nics Editcation Society (at Roval Societv), at 8.— Prof. H. J. 



Fleure : Some Social Bearing-s of Race Studv. 

 JcNioR Institction of Engineers, at 8.— Maior W. Gregson : 



Utilisation of Waste Heat from Internal Combustion Engines. 

 HoYAt Society of Medicine (Ansesthetics Section), at 8.30.— Dis- 

 cussion on the Uses and Limitations of N2O and O2 Anaesthesia. 



Speakers : Dr. A. L. Flemming and others. 

 HoYAi Institition of Great Britain, at 9.— Sir Francis Toung- 



husband : The Mount Everest Expedition. 



PUBLIC LECTURES. 



(A number in brackets indicates the number of a lecture 

 in a series.) 

 THURSDAY, Jancary 26. 

 University College, at 5.15.— B. S. Rowntree : Industrial Unrest 

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

 Gresham College, at 6.— A. R. Hinks : Astronomy in Daily Use (3). 

 St. John's Hospital fob 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 Meteorology 

 of the Globe (2). 

 King's College, at 5.30.— Dr. H. W. Williams : The Peoples of the 



Caucasus (2) ; at 6.— Prof. G. Young : Brazil. 

 Tavistock Clinic for Functional 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) 

 Gresham College, at 6.— A. R. Hinks : Astronomy in Dailv Use (4) 



SATURDAY, Jancary 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. 



MONDAY, January 30. 

 University College, at 5.— A. T. Walmisley : The Bridges over 



the River Thames at London. 

 King's College, at 5.30.— Dr. J. Steppat : Recent Developments in 

 NO. 2726, VOL. 109] 



German Education and Student Life.— Prof. L. L. Fortescue : 



Wireless Transmitting Valves (2). 



WEDNESDAY, Februaet 1. 

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



Past in Britain (2). 



THURSDAY, February 2. 

 King's College, at 5.30.— Dr. 0. Faber: Reinforced Concrete (3). 

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



W.C.2), at 6.— Dr. J. L. Bunch: Drug Eruptions (Chesterfield 



Lecture). 

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



8.W.1), at 8.15.— Miss Barbara Low: Psycho-analysis in relation 



to Civics. 



FRIDAY. February 3. 

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



Shaw : The Structure of the Atmosphere and the Meteorologv 



of the Globe (3). 

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



of Man (1). 

 King's College, at 5..30.— Rev. Dr. F. A. P. Aveling: Matter, 



Mind, and Man.— Dr. H. W. Williams : The Peoples of the 



Caucasus (3). 

 Tavistock Clinic for Functional Nerve Cases (at the Mary Ward 



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



Miller: The New Psychology and its Bearing on Education (2). 



SATURDAY, February 4. 



S.U.TERS' Hall (St. Swithin's Lane, E.C.4), at 10.30 a.m.— Dr. M. O. 



Forster : The Relation between Pure and Applied Chemistry. 

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



School Class (3). 

 HORNIMAN Museum (Forest Hill), at 3.30.— E. Lovett : The Folk-lore 



of Natural History. 



CONTENTS pIge 



The Langley Aeroplane and the Hammondsport 



Trials 97 



Intestinal Protozoa of Man. By Sir E, Ray Lan- 



kester, K.C.B., F.R.S 98 



Electric Furnaces. By J. L. H. 99 



Chemistry after the War. Bv T. M. L 100 



Prices and Wages. By G. U. Y loi 



Our Bookshelf . 102 



Letters to the Editor: — 



Some Problems in Evolution. — Sir G. Archdall 



Reid, K.B.E 104 



Atmospheric Refraction. — Instr.-Comdr. T. Y. 



Baker, R.N 105 



The Colours of Tempered Steel. — Prof. C. V. 



Raman 105 



Some Terrestrial Experiments on Gravitation and 



Einstein's Theory.— Prof. G. A. Schott .... 106 

 British Scientific Instruments.— Prof. W. M. Bay- 



liss, F.R.S 106 



Globular Lightning Discharge. — Prof. A. P. Chat- 

 tock, F.R.S. . . ... . . . 106 



Where did Terrestrial Life Begin? — Dr. Ronald 

 Campbell Macfie; Prof. J. W. Gregory, 



F.R.S. . . 107 



Rainfall and Drainage at Rothamsted in 1921. — 



W, D. Christmas 107 



Tribal Name of the Raninidse. — Rev. Thomas 

 R. R. Stebbing, F.R.S. ; Prof. G. C, Bourne, 



F.R.S 108 



The Depth of Earthquake Focus. — Prof. S. K. 



Banerji 108 



Energy Changes Involved in Transmutation. — I. W. 



Wark 108 



The Theory of the South-West Monsoon, (///us- 



trated.) By L. C. VV. Bonacina 109 



Helium in Natural Gas. By H. B. Milner ... 112 

 Obituary: — 



Lord Bryce. O.M., F.R.S. By Dr. Douglas 



W. Freshfield 113 



Sir John Kirk, G.C.M.G., K.C.B., F.R.S. . . 114 



Prof. J. H. Cotterill, F.R.S 115 



Notes ... . . . . u6 



Our Astronomical Column : — 



Deduction of Star-distances from Proper Motions . . 121 



Meteoric Shower of December 4-5, 1921 121 



Popular Astronomv in Sweden 121 



Physiology at the British Association 122 



The Week in West Africa . 124 



Scientific Research and Industrial Development . 124 

 University and Educational Ititelligence . . . . 125 



Calendar of Industrial Pioneers 125 



Societies and Academies ... 126 



Diarv of Societies 127 



Recent Scientific and Technical Books {Supplement, p. iii) 



