7i6 



NATURE 



[January 27, 192 1 



F, A. Howe. Pp. vii+342. (London : J. Murray.) 

 7s. bi. net. 



Wireless Telegraphy and Telephony : An Outline 

 for Electrical Engineers and Others. By L. B. 

 Turner. Pp. xii+igs + xxiv plates. (Cambridge: At 

 the University Press.) 20s. net. 



Devonian Floras : A Study of the Origin of Cormo- 

 phyta. By Dr. E. A. Newall .-Xrber. Pp. xiv+ioo. 

 (Cambridge : At the University Press.) 17s. 6d. net. 



Domestic Fuel Consumption. By A. H. Barker. 

 (The Chadwick Library.) Pp. x+159. (London : 

 Constable and Co., Ltd.) 14^. net. 



A Text-book of Inorganic Chemistry for University 

 Students. By Prof. J. R. Partington. Pp. xii+1062. 

 (London : Macmillan and Co., Ltd.) 255. net. 



Meteorological Office. British MeteoVological and 

 Magnetic Year Book, 1917. Part iv. : Hourly Values 

 from Autographic Records, 1917. Pp. gi + iji plates. 

 (M.O. 229/.) (London : Meteorological Office, Air 

 Ministry.) I2J. i>d. net. 



Diary of Societies. 



TEVRSDAT. JiNCAEr 27. 



KoiiL INSTITCTION OF Geeai BEiTiiN, at 3.— Dr. A. Harden • Bio- 

 ohemistry (Yitamines). 



Eoiii, SociEir, at 4.30.— K. Sassa and Prof. C. S. Sherrington: 

 The Myogram of the Flexor-reflex evolved by a Single Break- 

 shook.— Sir Almroth Wright: " Interaction " between Albuminous 

 Substances and Saline Solutions.— Dr. 8. Buss, Dr. Helen 

 Chambers, and Gladwys M. Scott: The Local and Generalised 

 Action of Radium and X-ravs upon Tumour Growth. 



Newcouen Societt (at Iron and Steel Institute), at 5.— R. Jenkins: 

 Rise and Fall of the Iron Manufacture in Sussex. 



RoTiL SooiETi or Medicine (Balneology and Climatology Section), 

 at 5.30.— Dr. G. L. Pardington : Advancing Years and Balneo- 

 therapy (Presidential Address). 



Institution or Electrical ENciNEEiia (at Institution of Civil 

 Engineers), at 6.-6. A. Juhlin : Temperature Limits of Large 

 Alternators. 



London Debmatolooical Societt, at 6.— Dr. W. K. Siblev : Acne 

 (Ohesterfleld Lecture). 



CoNCBETE Institute, at 7.30.— J. A. Howe: Geology in Relation to 

 Building Stones. 



Wireless Societt or London (at Royal Society of Arts), at 8. 



Society or ANiKjrARlES, at 8.30. 



Rotal Societi or Medicine (Urology Section), at 8.30.— T. Walker: 

 Obstruction After Suprapubic Prostatectomy and an Open Opera- 

 tion for its ProTention. 



FRIDAY, JANUABI 28. 



Association or Economic Biologists (at Imperial College of 

 Science), at 2.30.— Dr. L. Lloyd : Gneenhouse White Fly and its 

 Control.— W. B. Brierley : Personal Impressions of Some American 

 Biologists and their Problems. 



Rotal societi or Medicine (Study of Disease in Children), at 5.— 

 Dr. P. Parkinson : A Case of Patent Ductus Arteriosus. 



Rotal College or Sbhgeons or England, at 5.— Prof. A. Keith • 

 The Principles of Craniology applied to Clinical and Racial 

 Problems. 



Phtsical Society or London (at Imperial College of Science), at 5. 

 -Prof. H. Nagaoka : The Magnetic Separation of the Neon Lines 

 and Runge's Rule.— Capt. E. V. Appleton : A Method of Demon- 

 strating the Retroactive Property of a Triode Oscillator.— Dr, 

 D. Owen and R. M. Archer : The Quickness of Response of Cur- 

 rent to Voltage in a Thermionic Tube. 



Junior Institution or Enoine?bs, at 8.— J. W. Wardell : Manu 

 faeture of Portland Cement. 



Rotal Societt of Medicine (Epidemiology and State Medicine Sec- 

 tion), at 8.30.— Dr. A. S. M. MaoGregor : Some Features of Cur- 

 rent Small-pox in Glasgow. 



Eotal Institution or Gbeat Britain, at 9.— Sir James Dewar 

 Cloudland Studies. 



ilONDAT, Januakt 31. 



Eotal College op Surgeons or England, at 5.— Prof. W. S. 



Handley : The Pathology and Treatment of Lupus. 

 Rotal Institute or Bbitish Architects, at 8.— J. W. Simpson : 



Presidential Address to Students and Distribution of Prizes. 

 Rotal Societt of Arts, at 8.— A. E. L. Chorlton : Aero Engines 



(Howard Lectures). 

 Medical Society or London, at 8.30.— Dr. A. Feiling : Multiple 



Neuritis.— Dr. F. G. Crookshank : Handprints in Mongolian and 



Other Imbeciles. 



TUESDAY, February 1. 

 Royal Societt of Arts (Colonial Section), at 4.30.— Dr. G. C. 



Creelman : Modern Ajjriculture. 

 Institution of Civil Knoineers, at 5.30.— Brevet-Major G. le Q. 



Martel : Bridging in the Field. 

 Rotal Photographic Society or Great Britain, at 7.— P. King: 



The Cinematograph Camera : Various Jlodels and General De- 

 scription of Same. 



WBDNESDAY, Fctbcaii 2. 

 RoTAi Societi or Abts, at 8.— A. If. Baillie : Uil-bDrniag Method* 

 in Various Parts of the World. 



UOIAL COLLSOt or SCBOEONS OF ENGLAND, at S. Prof. W. O. 



Howarth : Musoocele and Pyocele of the Nasal Acoeuory Sinujet. 



Qeolooical Societi of London, at S.30. 



Societi of Public Analists and Utheb Analitical CBraiars (Annual 

 General Meeting) (at Chemical Society), at 8.- Presidential Ad- 

 dress.- F. W. Smith: Extract of Red Squill (.Scilla marilima) 

 as a Hat Poison.— W. Lowsoo : The Composition of Harrogate 

 Mineral Waters. 



THURSDAY, Febeuabt 3. 



Rotal Insiituijon or Obeat Beitain, at 3.— Prof. W. A. Berdman: 

 Oceanography (Great Exploring Expeditions). 



Eotal Societi, at 4.30.— Probable Papers.— Di. O. B. Jeffery : The 

 Field of an Electron on Einstein's Theory of Gravitation. — Dr. 

 .M. N. Saha: A Physical Theory of Stellar Spectra.— W. F. 

 Darke, J. W. McBain, and C. S. Salmon: The Ultra-miorosoopio 

 Structure of Soaps.— Dr. J. Mercer: Linear Transformations 

 and Functions of Positive Type. 



LiNNEAN Societt, at 5.— Miller Christy: Wistman's Wood, Dart- 

 moor ; Specimens of Slides.— Dr. Agnes Arber : Leaf -tips of 

 Monocotyledons.— T. A. Dymes : Seedlings of HiMClis acutealMt, 

 with Remarks on their Germination and Growth. 



Rotal Aeronautical Societi (at Royal Society of Arts), at 5.30.— 

 Major G. Dobson : The Use of Meteorology to Aviation and 

 Vice-tierso.— Wing-Comdr. H. W. S. Outram : Ground Engineering. 



Chemical Societi, at 8. 



FRIDAY, FEBBtiAHl 4. 



BoiAL AsTBONOMiCAt SociEii (Geophysical Discussion), at B. — 

 On Gravity at Sea : Opened by Prof. G. W. DufBeld, and con- 

 tinued by Sir S. O. Burrard, Dr. H. Jeffreys, Dr. J. W. Evans, 

 and Dr. A. M. Davies. Chairman : Sir Arthur Schuster. 



Rotal College of Surgeons op England, at .5. — Prof. C. W. O. 

 Bryan : The Early and Late Effects of Injuries of the Diaphragm. 

 with Social Reference to Wounds jointly involving Thoracic and 

 Abdominal Viscera. 



Royal Institution or Great Britain, at 9. — Dr. A. D. WaUer : The 

 Electrical Expression of Human Emotion. 



S.iTURD.lY. Febbuart 5. 



Gilbert White Fellowship (at 6 Queen Square, W.C.I), at 3.— 

 Lecture. 



CONTENTS. PAGE 



University Appeals 685 



The Theory and Practice of Psycho-analysis . . 686 

 The Teaching of Palaeontology. By Dr. F. A. 



Bather, F. R.S 688 



Sue;ar Technology and Fermentation. By Prof. 



Arthur R. Ling 689 



Our Bookshelf 691 



Letters to the Editor : — 



The Passivity of Metals. — ^V. Hughes 692 



The Space-time Hypothesis before Minkowski. — 



E. H. Synge . . 693 



Heredity and Acquired Characters. — Frederick 



Fawcett 693 



Popular Science Lectures on Natural History. — 



Rev. H. Neville Hutchinson 694 



Anglo-American University Library for Central 



Europe. — B. M. Headicar 694 



Greenland in Europe.— T. R. R. S 694 



Electric Light and Vesjetation. — Thos. Steel . . 694 



The Sparrowhawk. (Illustrated.) By J. H. Owen . 695 

 The Institute of Human Palaeontology, Paris. 



(Illustrated.) 698 



Obituary : — 



Dr. J. B. Crozier 700 



Notes . . 70t 



Our Astronomical Column : — 



Pons-Winnecke's Comet 705 



The Magellanic Clouds 705 



Investigation of the Einstein Spectral Shift . . . 705 

 The Forestry Department of Edinburgh University. 



(Illustrated.) ... . 706 



The International Physiological Congress, 1910 : 



Summary of Papers. By R. K. S. Lim .... 707 



Liquid Fuel from Coal. By Prof. John W. Cobb . 709 



Sheep Panics 710 



The Work and Discoveries of Joule. By Sir 



Dugald Clerk, K.B.E., F.R.S. 711 



Giant and Dwarf Stars 711 



University and Educational Intelligence . . . 712 



Calendar of Scientific Pioneers 713 



Societies and Academies 714 



Books Received ■ 715 



Diary of Societies 716 



NO. 2674, VOL. 106] 



