300 



NATURE 



[October 28, 1920 



and Logarithmic Functions of X, etc. With 

 Answers. Pp. xv+i8i-402 + xv-xxxix. (London: G. 

 Bell and Sons, Ltd.) 55. 



Plantation Rubber and the Testing of Rubber. By 

 Dr. G. S. Whitby. Pp. xvi + 55g+viii plates. (Lon- 

 don: Longmans, Green and Co.) 285. net. 



The Centenary Volume of Charles Griffin and Com- 

 pany, Ltd., Publishers, 1820-1920. With Foreword 

 by Lord Moulton. Pp. xx+290-l- plates. (London: 

 C. Griffin and Co., Ltd.) 



Diary of Societies. 



THURSDAY. Octobee 28. 



CuPiMiCAi. SociETr (at Institution of Jtechanicol Kngineers), at 8. — 

 Dr. M. O. Forstor: The Emil Fischer Memorial Ijocture. 



Abernkthiax SociEir (at St. Bartholomew's Hospital), at 8.30. — 

 Sir St. Clair Thomson : Recollections of Joseph Lister by one 

 of his House-surfi-fons. 



BOTAL SociETT OF MuDiciNE (Urology Set'tlon). at 8.30.— Sir Thomas 

 Border: The Treatment of Sub-acute Nephritis by Decapsula^ 

 tion ; with an Aeonunt of Four Cases. — \. Boniiey: A New Opera- 

 tion for Nephroptosis. 



FRIDAY, OcTOBBE 29. 



RoTAb Geooraphtcal SociETT (at the .Eolian Hall), at 5.— T. A. 

 Barns: In the Lund of the Oknpi and the Gorilla. 



ROTAi CoLLEOE OF SvBOEONa OF Enoi,anu, at 5.— Prof. A, Keith: 

 Demonstration on the Contents of the Museum. 



iNSTiTiTiON OF MECHANICAL KNOiNfcEBS (Informal Meeting-I, at 7. 



ROTAL i'HOTOORAPHIC SOCIKTI OF GRE\T BRITAIN, at 7.— H. W. 



Bennett: Winchester: The Cathedral, the School, and the hos- 

 pital of St. Cross. 



Ohkmic^l Indcstrt Club (at 2 Whitehall Court), at 8.— Annual 

 Meeting:. 



ROTAL SociF.Tr OF Medicine (Epidemiology and State Medicine 

 Section), at 8.30.— Dr. A. K. Chalmers: The Function of the 

 Isolation Hospital in a General Scheme of Hospital Provision. 

 MONDAY, November 1. 



R0T.4L ISHTITCTION OF GREAT BRITAIN, at 5- 



RoTAL College of SrRGEoxs of England, at 5.— Prof. S. O. SI nt- 

 tock: Demonstration of Patholog-ical Specimens in the Musmm. 



ROTAL Institute of British Architects, at 8. 



Institute of Brewing (at Imperial Hotel, Russell Square), at 8. — 

 A. F. Baillie: The Use of Oil Fuel in Breweries. 



SociBTT of Chemical Industht (at Institution of Mechanical Fn- 

 g-ineers). at 8.— Sir William J. pQpe : The Photograpliy of 

 Coloured and of Distant Objects. 



TUESDAY, November 2. 



RoTAL Horticultural Sociktt, at 3. 



RoTAL College of Phtsiciass of London, at 5.— Sir William B. 

 Leishman : An Exporimentnl Investigation of the Parasite of 

 Tick Fever, Spirochaota Duttoni (Horace Dobell Lecture). 



Iwstitution of Civil Engineers, at 5.30. — J. A. Brodie: Presi- 

 dential Address. 



Zoolook'al Societt of London, at 5 30. — J. H. Lloyd: Some Ob- 

 servations on the Structure and Life-history of the Common 

 Nematode of the Dog-fish {Scyllium eanicula). — Mrs. O. A. 

 Merritt Hawkes: Observations on the Life-history, Biology, and 

 G«neties of the Lady-bird Beetle, Adalia hiiMnciata, Mulsant.^ 

 H^ra Ram Mehra: The Sexual Phase in certain Indian 

 Naididse (Oli^ochR'ta). — K. A. Barnes : In the Land of the 

 Gorill.a and Okapi. 



RoTAL Photographic Societt of Great Bhitain, at". — Capt. C. W. R. 

 Kniffht : Heronry. 



RflNTGEN Societt, V* 8.15. 



WEDNESDAY. November 3 



Geological Societt of London, at 5.30.— Miss M. E. J. Chandler: 

 The Arctic Flora of the Cam Valley at Barnwell. Cambridtf? 



Societt op Public Analtsts and other Anvlttical CHEMihis (jit 

 Chemical Society), at 8.— Dr. W. R. Schoeller and E. F. Water- 

 house : The Gravimetric Estimation of Bismuth as Phosphate 

 and its apnlications in Ore Analysis. — P. J. Fryer: The Tune 

 Factor in Saponification. — V. Cofman: The Position of Analytical 

 Chemistry in France. — W, T. Burgess : Apparatus for collecting 

 Samples of Water at Great Depths. 



THURSDAY, November 4. 



Royal Society, at 4 30.-~ProhabIe Papers: Prof. H. Lamb : 

 The Vihnitions of an Elastic Plate in Contact with Water. — 

 Prof. U. M. Macdonakl : The Ti^nsmission of Electric Waves 

 around the Earth's Surface.— Lord Rayleigh : A Re-examination 

 rf the Light scattere<l by Gases in respect of Polarisation. 

 II. Experiments on Helium and Argon. — Prof. C. F. Jenkin : 

 Dilatation and Compressibility of Liquid Carbonic Acid.— W. T. 

 David: UJtdiation in Exnlosions of Hydrogen and Air. — Dr. 

 R. E. Slade and O. I. Hicson: Photochemical Investigations 

 of the Photographic Plate.— Dr. E. H Chapman: The Relation- 

 ship between Pressure find Temnemturo at the same Level in 

 the Free Atmosphere. — Prof. J. 0. McLennan: Note on T-acuum 

 GrntinsT Spectroscopy. 



ROTAL COLLFOE OF PhtSICHNH OF LONDON, at 5.— Dr. R. C. B. Wall: 



Chorea (Brndshaw Lecture). 

 LiWNE^N Societt. at 5. 

 Rotal Aeronautical Soctett fat Roval Socictv of Arts), at 5.30.— 



Wing-Comdr. Flack: The Human Machine in Relation to Illy ng. 



NO. 2661, VOL. 106] 



Child-Studt 8o<iett (at Royal Sanitary Institute), at 6.— Mrt. 

 8. 8. Brierley : Discassion on Vocational Teats. 



Chbmjcal Societt, at 8. — L. Higginbotham and U. Stephen: The 

 I'repuratiun of 4-, 5-, and &-Methyl-caumurio-2-ones, and toiiM 

 Derivatives of 0-, m-, and /»-Tulyloxyacetie Acid». — H. Stephen: 

 A New Methid for the Preparation of 2:4-Dihydroxy- «nd 

 2:4 :4'-Trihydroxy-benEophenone, and 6ome Ob«erTutioD& relat- 

 ing to the Hoesch Reaction. — \V. J. Pop*' and E. E. Turner: 

 Triphenylarsiue and Diphenylar»enoug Salt*.— R. H. Atkinson. 

 C. T. Heycoek. and W, J. Pope: The Preparation and Physical 

 Properties of Carbonyl Chloride.— H. W. BauM.r, C. 8. Gib«on, 

 and W. J. pope : Interaction of Ethylene and Selenium, 

 Jlonochloride.— G. Van B. Gilmonr: A Study of the HeB*!tion» 

 of Sugars and Polyatomic Alcohols in Boric Acid and Borate 

 Solutions, with Some Analytical Applications.— F. L. Pymaa 

 and L A. Ravald : The Sulphonation of Olyoxalines.— F. L. 

 Pyman and L A. Ravald; o- and ?>-Tolueneii«iglyoiaIines. — 

 M. E. Laing and .T. W. McBain : Investigation of Sodium Oleata 

 Solufions in the Three Physical States of Curd. Gel. and SoL — 

 J. C. Irvine and ¥.. S. Sti-ele: The Constitution of PolySae- 

 charides. Part I. The Relationship of Inulin to Fructoae. — 

 B. E. Hunt: The Preparation of Ethv! Irdide.- R. C. Menzies: 

 Action of Sulphur Trioxide on Aromatic Ethers —O. T. Morgan 

 and H D. K. Drew: Itesejirches on Hesidual Aifinity and Co- 

 ordination. Part II. Acetyl acetones of Selenium and Teilnriiim. 

 — R. B. Drew: The Formation of 2:3:6 Trinitrotoluene in the 

 Nitration of Toluene— J. N E. Day and ^. F. Thorpe: The 

 Formation and Reactions of Imino-compounds. Part XX. The 

 Condensation of Aldehydes with Cyanoaeetamide.^0. Becker and 

 .T. F. Thorpe: The Formation and Stabilitv of Spiro-compoumU. 

 Part III. Sniro-corapnunds from Cyclopentane.— H. Chatto- 

 pndhyava and P. C. Ghosh : Condensation of Dimethyldihydro- 

 resoroin vrith Aromatic Aldehydes.— E. v.. Maxtf^d r T'" T^flnenoe 

 of Lead on the Catnlyt-'c Activity of Platinum 

 FRIDAY, November S. 



AcaocnTioN OF Economic Biologists nn Botanical Lffturr [ 1 f stre, 

 Imperial College of Science), at 2 30.— Prof . F. W. Oliver- The 

 Reclamation of Waste Land by Botanical Means— Dr. E. J. 

 Russell: The Reclamation of Waste Land by Agricultural Means. 



Geophtsical Committee (Royal Astronomical Society), at 5. — Dis- 

 cussion on the African Are and Meridian, to be opened bv Col. 

 H. G. Lynns, and continued bv Sir Chnrles Close, Col. E. M. 

 Jack. A. R. Hinks. C. G T. McCaw, and others. 



Institution or Mech'nical Enoinefrs, at fi — Sir Richard T. Glare- 

 brook: Limit Gauging (Thomas Hawksley Lecture). 



CONTENTS. PAGE 



Museums in Education ... 269 



Scientific Methods of Design and Control in 

 Chemical Industry. By Prof. F. G. Donnan, 



F.R.S. 270 



Experimental Science in India 272 



Elementary Geometry 273 



The Evolution of Veitebrate Animals. By A. S. W. 274 



Essays on Social Psychology 275 



Our Bookshelf 275 



Letters to the Editor: — 



The British Association. — Prof. J. L. Myres and 

 Prof. H. H. Turner, F.R.S. ; Dr. R. V. 



Stanford . ... 277 



Testing Einstein's Shift of Spectral Lines.— Sir 



Oliver Lodge, F.R.S. 280 



Recapitulationand Descent. — Prof. E.W.MacBride, 



F.R.S 280 



British Lahoratory and Scientific Glassware. — S. N. 



Jenkinson 281 



The Behaviour of Time-fuzes.— Prof. A. V. Hill, 



F.R.S 281 



The Floor of Anglesey. (Illustrated.) By Prof. 



Grenville A. J. Cole, F.R.S . . 282 



Food Requirements and the Minimum Wage. By 



E. P. C 284 



Obituary : — 



Dr. Max Margules. By Lt.-Col. E. Gold, 



F.R.S 286 



Notes ... . . 288 



Our Astronomical Column : — 



Brilliant Meteor of October 19 292 



The Total Solar F.clipse of September, 1922 .... 292 



The Capture of Comets by Planets 292 



Intensive Cultivation By Prof. Frederick Keeble, 



C B.E., Sc.D., F.R.S ... 293 



Studies in Animal Inheritance. By G. H. C. . 297 



The Site of the University of London 297 



University and Educational Intelligence .... 298 



Societies and Academies 298 



Books Received 299 



Diary of Societies 3°° 



