4 So 



NATURE 



[February 13, \()\^ 



BOOKS RECEIVED. 



Indian Industrial Commission Report, H|i6-i8. 

 Pp. jtSL + 355+xviii. (Calcutta: Superintendent 

 Governmenl Printing, India, 1918.) is. 6d. 



Man's Supreme Inheritance: Conscious Guidana 

 and Control in Relation iu Human Evolution in 

 Civilisation. By F. M. Alexander. With an Intro- 

 ductory Word bj Prof. J. Dewey. Second edition, 

 revised. Pp. sxviii+239. (London: Methuen and 

 < u., Ltd., 19181) ;.v. (>d. net. 



A First Course in the Calculus. Pari i., Powers 

 of X. By Dr. \V. P. Milne and G. J. B. Westcott. 

 Pp. xx+196. (London: <i. Bell and Sun-, Ltd., 

 V) [8. ) 3s. 6rf. 



Fossil Vertebrates in thi American Museum of 

 Natural History. Department ol Vertebrate Palaeonto- 

 logy. Vol. \i., Articles Collected from the American 

 Museum Bulletin ol the Years 11115-17. H\ H. F. 

 Osborn and others. Collected and issued for purposes 

 hi sale and exchange. (New York: The American 

 Museum of Natural History, 1918.) 



[ntroductory Lecture to the Classes in Metallurgy 

 in the Royal Technical College, Glasgow, at the 

 Opening of the Session, [918-19. By Prof. ('. H. 

 Desch. (Glasgow : James Maclehose and Sons, 1919.) 



Anhuaire pour Pan [919, public par le Bureau des 

 Longitudes. Pp. viii + 524 + Aim + 1527 + Cbq. (Paris: 

 Gauthier-Villars et Cie, n.d.) 3 francs net. 



I'raiiato di Chimica Generale ed Applicata all' 

 Industria. Vol. i. Chimica Inorganica, parte seronda, 

 quarta edizione riveduta ed empliata. Bv Prof. D. E. 

 MolinarL Pp. x+561-1190. (Milano : I'lrico Hoepli, 

 unci.) 26 lire. 



Imperial Universih of Tokyo. Calendar 2577 78 

 (1917-18). Published biennially. Pp. iv + 402 + tables 

 and plates. (Tokyo: The University.) 



The British Imunal Photographic Almanac and 

 Photographer's Daily Companion, mm. Edited bv 

 G. I-'.. Brown. Pp. 644. (London: H. Greenwood 

 and Co., Ltd., 1919.) iv in?, net. 



DIARY OF SOCIETIES. 



THURSDAY, February i-,. 

 ROYAL INSTITUTION, at 3.— Dr. \Y. Wilson : The Movements of the Sun, 



Earth, nnd Moon. 

 Royal Society, at 4.10.— Hon. R. I. Strutt : Scattering of Light bv Solid 

 tances. 1. Bairstow and i. Berry : Two-Dimensional Solutions of 

 1 and I ipl . - - Equations.— Dr. G. H. Thomson : The Cause of 

 Kiel irehical Ordei imone the Correlation Coefficients of a Number of 

 iates taken in Pairs.— Dr. G. N. Watson: The Transmission of 

 Elect, ic Waves round the Earth. 

 Mathematical Society, at 5.— Prof. H. s. Cars'aw : Diffraction of 

 Waves by a Wedge of any Angle.— T. C. Lewis : Properties of Penta- 

 spberical Co-ordinates, 

 Institution of Electrical Engineers;, at 6. — Bt.-Lt.-Col. W. A. I. 

 ' ' Meara : The Functions of the Engineer : his Education and Training. 

 • 11. inSnm SOCIETY, at n.-Dr. C. W. Kimmins : I he Significance of 



Children's Dreams. 

 Ol 1 1 At SOCIETY, at 7— Annual General Meeting. — At 7.30. — Lord Ray- 

 \ Possible Disturbance of a Range-finder bv Atmospheric Refraction 

 ) the Motion of th- Ship which carries it.— L. C. Martin and Mrs. 

 Deposit on Glass Surfaces in Instruments. 

 FRIDAY, February 14. 

 Royal Astronomical Society, at 5— Anniversary Meeting. 

 Rovai i .,t ^.30.— Prof. C. G. Knott: Earthquake Waves and 



the Intet 

 MaLACOLOGI At Society, at 7.— Annual General Meeting. 



MONDAY, February 17. 



Royai So 1 ■■.. at 4.30.— Prof. I. A. Fleming: Scientific Prob- 



lems of Electrt. Wave Telegraphy. 



Royal Geograi -hi. *i Society, at 5.— Commander H. D. Warburg: 

 The Admiralty Tide Tables and North Sea Tidal Predii lions. 



TUESDAY, Fei 

 Royal Institution, at 3. Capt. G. P. Thomson: The Development of 



Aeroplanes in the Great War. 

 British A 1 Committee (Royal Astronomical 



Society), at 5.— Prof. H. H. Turner: Report on Seismology.— G. W. 



Walker: Account of Certain Seism .; , ,,! I instruments described by the 



late Prince Galitzin. 

 Royal Statistical Society, at 5.15. — Capt. M. Greenwood: Problems 



of Industrial Organisation. 

 Institution of Petroleum Tec h no 1. mas is. at 5. 10. — Montagu Summers : 



fhe Fin.,.; ,■.. ..1 Oilfields 



Zoological Society, at 5.30. — R. I. Pocock : The External Ch 



the Existing C'heviotattis. R. M. Smith : A Comparative Study 0' 

 Certain Sense-organs in the Antennae and Palpi ot Oiptera. 

 WEDNESDAY. February 19. 



Royal Society of Arts, at 4.30.— Dr. I. F. Crowley: The Use of Elec- 

 uirity in Agriculture in Germany. 



Roval Meteorological Society, at 5— Dr. S. Chapman: 1 

 Tide in the Kartb • \tmosphere.- Millet Christy: Thi Gunfire on the 

 Continent during ioi.S:.lts Audibility at Chignal St. la] 

 Cl.elmsfo-d. 



1. nautical Societv, at 8.— C. Grahame White : 1 

 I rangport— Is it Practical. le. is it Safe, and is it Profitable': 



Royal Microscoimi a s... n 1 at 8.— J. E. Barnard: Presidential 

 Address — The Limitations of Microscopy. 



THURSDAY, I tUARY >o. 



Royal Institution, at 3.— Prof. H. M. Lefioy: Insect Enemies of our 

 Food Supplies. 



Royal Society, at 4.30.— I robabU l*apcrs : lean Dufrenoy : Note on the 

 Metabolism of the Glucosides of the Arbutin Group.— S. S. Zilvaand I-.. M. 

 Wells: Dental Changes In the Teeth of the Guinea-pig produced by a 

 Scorbutic Diet.— W. E. liullock and W. Cramer: A New Factor in the 

 Mechanism of Bacterial Infection.— Major W. J. Tullo. h : The Distribu- 

 tion of the Serological Types of /•'. tetani in Wounds ol Men who received 

 Prophylactic Inoculation, and a Study of the Mechanism of Infection in, 

 and Immunitv from, Tetanus. 



Institution of Mining and Metallurgy, at 5.— S J. Truscotl : Slime 

 Treatment on Cornish Frames : Supplements.— Edwin Edser : The Com- 

 parison of Concentration Results, with Special Reference 10 the Cornish 

 Method of Concentrating Cassiterite.— C. W. Gudgeon : The Giblin Tin 

 Lode of Tasmania.— G. F. I. Preumont : Notes on the Mining of Wolfram 

 in Bolivia. 



Institution of Electrical Engineers, al 6.— G- L. Addenbrooke : 

 Dielectrics in Electric Fields. 



Chemical Society, at 8. 



FRIDAY, February n. 



Geological Society, at 3. — Annual Genera! Meeting. 



Koval Institution, at 5.30.— A. T. Hare : Clock Escapements. 



Institution of Mechanical Engineers, at 6.— Annual General Meeting 



SATURDAY. February 22. 

 Royal Institution, at 3. — Hon. J. W. Fortescue : The Empire's Share in 

 England's Wars— Western Europe. 



CONTENTS. page 



The Scientific Man's Burden. By Prof. Frederick 



Soddy, F.R.S 461 



Natural Science and Religion. Bv Dr. E. W. 



Barnes, F.R.S 462 



The Passing of the Old Order 462 



Our Bookshelf 463 



Letters to the Editor: — 



The Effect of Light on Long Ether Waves. — Sir 



Oliver J. Lodge, F.R.S ... 464 



The Aggregate Recoil of Radio-active Substances 



Emitting o-Rays. — Robert W. Lawson . . . 464 

 Ripple Marks due to High Pressure. — C. E. 



ssuomeyer ... 465 



War Neuroses and " Miracle" Cures. By A. R. . 465 

 The Proposed University for the East Midlands. 



By Frank Granger 467 



Notes 468 



Our Astronomical Column : — 



The Pulsation Theory of Cepheid Variability . . 472 



Calcium Clouds in the .Milky Way 472 



A "New Navigation" Method 472 



The Work of the Government Laboratory . . 472 

 Magnetic Observations during a Solar Eclipse. By 



Dr. C. Chree, F.R.S. . . . . ' 473 

 Meteorology and Aviation. (Illustrated.) By Capt. 



C. K. M. Douglas . 473 



University and Educational Intelligence 476 



Societies and Academies 477 



Books Received 480 



Diary of Societies 480 



ST. 

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 MAC.MILLAN AND CO., Ltd., 

 MARTIN'S STREET, LONDON, W.C.2. 



ents and business letters to be addressed to the 

 Publishers. 



NO. 2572, VOL. I02] 



Editorial Communications to the Editor. 

 Telegraphic Address : Phcsis, London. 

 Telephone Number: Gerrard 8830. 



