32 



NATURE 



[March 3, 192 1 



KorAL SociEir or Medicine (Ansesthetios Section), at 8.30. — R. 

 Apperly : The Importance of the Examination of the Patient by 

 the Ansesthetist, Previous to Anaesthesia. 

 RoTAL INSTITVTION OF Gkeat BRITAIN, at 9. — W. A. Tait : Severn 

 Crossings and Tidal Power. 



SATURDAY, Maech 5. 

 Royal Institution of Gbeat Bkitain, at 3. — Sir Ernest Ruther- 

 ford : Electricity and Matter. 



UOi^BAY, Mabch 7. 

 ViCTOBiA Institute (at Central Buildings, Westminster), at 4.30. — 



Rev. H. Costley White : Public School Education. 

 RorAL Institution of Great Britain (General Meeting), at 5. 

 Society of Enginee&s, Inc. (at Geological Society), at 5.30. — 

 B. W. A. Brewer : Some Modern Engineering Practice in 

 America. 

 Aristotelian Society (at University of London Club, 21 Gower 



Street), at 8. — Prof. J. E. Boodin : Cosmic Evolution. 

 Royal Society of Arts, at 8.— Major 6. W. C. Kaye : X-rays and 



their Industrial Applications (Cantor Lecture). 

 Society of Chemical Industry (at Chemical Society), at 8. — Dr. 

 J. C. Drummond : Factors Influencing the Food Value of Lard 

 and Lard Substitutes.— Dr. R. C. Farmer : The Stability of 

 Benzoyl Peroxide. 

 Surveyors' Institution, at 8.— A. B. D. Lang : The Report from 

 the Select Committee of the House of Commons on Business 

 Premises. 

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



Driberg : The Lango District, Uganda Protectorate. 

 Medical Society of London (at 11 Chandos Street, W.l), at 9.— 

 G. E. Gask : Surgery of the Lung and Pleura (Lettsomian 

 Lecture). 



TUESDAY, March 8. 

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

 Darwin's Theory of Man's Origin in the Light of Present-Day 

 Evidence. 

 Royal IJorticultubal Socikty, at 3. 

 Royal College of Physicians of London, at 5.— Dr. G. Graham: 



Glycaemia and Glycosuria (Goulstonian Lecture). 

 Institution of Civil Engineers, at 5.30.— S. Leggett : The Amritsar 



Hydro-electric Irrigation Installation. 

 Zoological Society of London, at 5.30.— E. G. Boulenger : Experi- 

 ments on Colour-changes of the Spotted Salamander (Salamandra 

 maculosa), conducted in the Society's Gardens— Miss Joan B. 

 Procter : The Variation of the Scapula in the Batrachian Groups 

 Aglossa and Arcifera.- Dr. W. T. Caiman : Notes on Marine 

 Wood-boring Animals. II. Crustacea.— Augusta Arnbaok Christie- 

 Linde : The Reproductive Organs of the Ascidian Kiikenthalia 

 borealis, Gottschaldt.— B. P. Uvarov : The Geographical Distribu- 

 tion of Orthopterous Insects in the Caucasus and in Western 

 Asia. 

 Royal Photographic Society of Great Britain, at 7.— Annual 



General Meeting. 

 <Juekett Microscopical Club, at 7.30. 



Royal Anthropological Institute (Special Meeting), at 8.15.— 

 Prof. F. G. Parsons : The Head Form of the Long Barrow Race, 

 with Reference to the Modern Inhabitants of London. 

 Royal Society of Medicine (Psychiatry Section), at 8.30.— Dr. H. 

 Devine : Study of Hallucinations in a Case of Schizophrenia. 



WEDNESDAY, March 9. 



Institute of Metals (Annual General Meeting) (at Institution of 

 Mechanical Engineers), at 10.30 and 2.30.— Prof. H. 0. H. Car- 

 penter and CoDstajice F. Elam : Stages in the Re-Crvstallisation 

 of Aluminium Sheet on Heating, with a Note on the Birth of 

 Crystals in Strained Metals and Alloys.— P. H. Brace : Some 

 Notes on Calcium.— Prof. C. A. Edwards and A. M. Herbert : 

 Plastic Deformation of Some Copper Alloys at Elevated Tem- 

 peratures.— H. Moore and S. Beckinsale : The Action of Reducing 

 Gases on Heated Copper. 



Royal Society of Arts, at 4.30.— W. Dewar : The Plumage Trade 

 and the Destruction of Birds. 



Geological Society of London, at 5.30.— W. B. R. King : The Sur- 

 face of the Marls of the Middle Chalk in the Somme Valley and 

 the Neighbouring Parts of Northern France, and the Effect on 

 the Hydrology.— Gertrude L. Elles : The Bala Country: Its 

 Structure and Rock-Succession. 



THURSDAY, March 10. 

 Institute of Metals (Annual General Meeting) (at Institution of 

 Mechanical Engineers), at 10.30. — H. Moore, 8. Beckinsale, and 

 Clarice E. Malliuson : The Season Cracking of Brass and Other 

 Copper Alloys.- Dr. J. L. Haughton : The Constitution of the 

 Alloys of Copper with Tin, Parts III. and IV. 



Royal Institution of Great Britain, at 3. — Dr. G. C. Simpson : 

 The Meteorology of the Antarctic. 



Royal Society, at 4.30.— i'roiable Papers.— Sir Joseph Larmor : 

 Electro-crystalline Properties as Conditioned by Atomic Lattices. 

 —Lord Raylei.n-h : The Colour of the Light from the Night Sky.— 

 Prof. A. S. Eddington : A Generalisation of Weyl's Theory of 

 the Electromn.o-netic and Gravitational Fields. — Prof. T. R. 

 Merton : Spectropliotometry in the Visible and Ultra-violet 

 Spectrum.— Prof, AV. A. Bone : Researches upon Brown Coals 

 and Lignites. — H. N. Russell: A Superior Limit to the Age of 

 the Earth's Crust. 



London Mathematical Society (at Royal Astronomical Society), 

 at 5. 



Royal College of Physicians of London, at 5. — Dr. A. Whitfield : 

 Some Points in the Etiology of Skin Diseases. 



Royal Society of Medicine (Balneology and Climatology Section), 

 at 5.30.— Discussion : The Place of Baths and Health Resorts in 

 Gynaecology. 



NO. 2679, VOL. 107] 



Institution of Electrical Engineers (at Institution of Civil 

 Engineers), at 6. — Prof. E. Wilson: Feebly Magnetic Materials: 

 Practical Applications. 



Optical Society (at Imperial College of Science), at 7.30. — Prof. 

 H. F. Newall: The Story of a New Star (Lecture).— T. P. Con- 

 nolly : Note on a Handy Form of Measuring Microscope. 



Royal Society of Medicine (Neurology and Ophthalmology Sec- 

 tions, Joint Meeting), at 8. — Dr. G. Holmes, L. Paton, and 

 Others : Ocular Palsies. 



FRIDAY, March 11. 



Association of Economic Biologists (in Botanical Lecture Theatre, 

 the Imperial College of Science), at 2.30. — Exhibits and Short 

 Communications. — Dr. J. Davidson : The Cells of Plant Tissues 

 in Relation to Cell-sap as the Food of Aphids.— E. R. Speyer : 

 Ceylon Soolytid Beetles : their Bionomics and Relation to 

 Ambrosia Fungi and Problems of Plant Physiology 



Royal Astronomical Society, at 5. 



Physical Society of London (at Imperial College of Science), 

 at 5.— Prof. A. A. Michelson : Some Recent Applications of Inter- 

 ference Methods (Sixth Guthrie Lecture). 



Royal Society of Medicine (Clinical Section), at 5.30. 



Institution of Electrical Engineers (Students' Meeting) (at 

 King's College), at 6.30.— J. A. Broughall : Some Recent Develop- 

 ments in Converting Machinery for Small Substations. 



Royal Society of Medicine (Neurology and Ophthalmology Sec- 

 tions, Joint Meeting), at 8.30.— Dr. G. Holmes, L. Paton, and 

 Others : Ocular Palsies. 



Royal Institution of Great Britain, at 9.— Dr. J. Freeman : 

 Medical Idiosyncrasies. 



SATURDAY, March 12. 



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

 ford : Electricity and Matter. 



Physiological Society (at Institute of Physiology, University 

 College), at 4. 



CONTENTS. PAGE 



Science in the Civil Service I 



A Great Giver. By Sir E. Ray Lankester, K.C.B., 



F.R.S 2 



Mathematical Papers of Huygens. ByJ. L. E. D. . 4 



Four Aspects of Parenthood 5 



Our Bookshelf . 6 



Letters to the Editor:— 



Amplifying the Optophone. — A. A. Campbell 



Swinton, F.R.S. 8 



Molecular and Cosmical Magnetism. — Prof. S. J. 



Harnett; Prof. S. Chapman, F.R.S 8 



Transcendental Premises in Science. — Sir Henry H. 



Howorth, K.C.LE., F.R.S 9 



Natural History of Porto Santo.— Prof. T. D. A. 



Cockerell . . 10 



The Energy of Cyclones.— Prof. J. von Hann ... 11 

 The Ascent of Mount Everest. — Sir Francis Young- 

 husband, K.C.S.I., K.C.LE., and Prof. J. N. 



Collie, F.R.S 12 



Pure Organic Chemicals.— Prof J. B. Cohen, F.R.S. 12 

 Nature of Vowel Sounds. {Illuslrated.) — Charles de 



Wesendonk; Prof. E. W. Scripture .... 12 

 Early Chemistry in Oxford. {Illustrated.) By Sir 



Edward Thorpe, C.B., F.R.S 13 



Pons-Winnecke's Comet and its Meteor Shower. 



By W. F, Denning I5 



Obituary : — 



Prof. L. C. Miall, F.R.S. By A. S, and H. W. ; 

 Sir Edward Thorpe ; and Dr. W. Warde 



Fowler • 16 



Prof. R. B. Clifton, F.R.S 18 



Prof. W. Odling, F.R.S. By W. A. T 19 



Notes 20 



Our Astronomical Column : — 



The Date of Easter 24 



Ancient Star Maps . . 24 



The 1920 Opposition of Mars 24 



A New Deposit of Cobalt Ore 25 



The Study of British Roses 26 



Commerce and Customs of Papua. By Sidney H. 



Ray 26 



Ancient Egyptian Survivals in Modern Egypt . . 27 



University and Educational Intelligence ... 27 



Calendar of Scientific Pioneers 29 



Societies and Academies 29 



Books Received ; 3' 



Diary of Societies -Si 



